Wood-mizer LT50HD Safety, Setup, Operation & Maintenance Manual Download

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Maintenance

Drive Belt Adjustment

Maintenance

50HD07doc072310

5-19

See Figure 5-10.

To adjust the drive belt support:

Make sure the motor is not running. Loosen the adjustment bolts.

Position the bracket so that the prong is close to, but does not touch, the drive belt with
the clutch handle engaged.

Retighten the adjustment bolts 25-27 pound feet (34-37 newton meters).

FIG. 5-10

3H0392

Loosen
bolts (2)

Slide bracket
toward
drive belt

Summary of Contents for LT50HD

Page 1: ...ty Setup Operation Maintenance Manual LT50HD rev A1 01 A5 02 Safety is our 1 concern Read and understand all safety information and instructions before oper ating setting up or maintaining this machine January 2007 Form 1298 ...

Page 2: ...he Engine or Motor 3 11 3 7 Board Return 3 12 SECTION 4 SAWMILL OPERATION 4 1 4 1 Hydraulic Control Operation 4 1 4 2 Loading Turning And Clamping Logs 4 3 4 3 Up Down Operation 4 5 4 4 Blade Guide Arm Operation 4 6 4 5 Clutch Brake Operation 4 7 4 6 Power Feed Operation 4 9 4 7 Cutting The Log 4 11 4 8 Edging 4 13 4 9 Optional Cutting Procedure 4 14 4 10 Blade Height Scale 4 15 4 11 Water Lube Op...

Page 3: ... 6 TROUBLESHOOTING GUIDE 6 1 6 1 Sawing Problems 6 1 6 2 Electrical Problems 6 3 6 3 Power Feed Problems 6 5 6 4 Power Feed Circuit Troubleshooting 6 7 6 5 Hydraulic Problems 6 10 6 6 Engine Motor and Drive Pulleys Alignment 6 16 6 7 Power Feed Variable Feed Rate Switch Test 6 17 6 8 Power Feed Preliminary Test 6 18 6 9 Power Feed Mechanical Test 6 19 6 10 Hydraulic Pressure Test 6 20 6 11 Fuse Te...

Page 4: ...ment 7 29 Bed Rail Adjustment 7 32 Blade Guide Installation 7 34 Blade Guide Arm Alignment 7 38 Blade Guide Deflection 7 43 Blade Guide Vertical Tilt Alignment 7 46 Blade Guide Horizontal Tilt Adjustment 7 48 Blade Guide Flange Spacing 7 51 Blade Guide Level Optional High Performance blocks only 7 52 Blade Block Adjustment Optional High Performance blocks only 7 53 Manual Side Support Alignment 7 ...

Page 5: ...ranties for the equipment given at the time of purchase For general information regarding Wood Mizer and our Forest to Final Form products please refer to the All Products Catalog in your support package Wood Mizer is a registered trademark of Wood Mizer Products Inc MILL COMPONENTS Engine Drive Assembly Outer Blade Guide Arm Blade Guide Rollers Blade Tensioner Clutch Brake Handle Control Box Hydr...

Page 6: ... vehicle identification number and your customer number ready when you call Wood Mizer will accept these methods of payment Visa Mastercard or Discover COD Prepayment Net 15 with approved credit Be aware that shipping and handling charges may apply Handling charges are based on size and quantity of order In most cases items will ship on the day they are ordered Second Day and Next Day shipping are...

Page 7: ... mail fwfp psyber com 16 Wood Mizer Canada East Box 173 1082 1 Hwy Aylesford NS B0P 1C0 Phone Fax 902 847 9369 3 Wood Mizer Portland 24435 N E Sandy Blvd Wood Village OR 97060 Phone 503 661 1939 Fax 503 667 2961 7 Maine 541 Borough Road Chesterville ME 04938 Phone 207 645 2072 Fax 207 645 3786 E mail woodmzer megalink net 17 Wood Mizer Canada Quebec 422 Rte du Canton Rte 148 Chatham QC J8G 1R1 Pho...

Page 8: ...73 Fax 704 982 1619 E mail carolina woodmizer com 20 East New Brunswick 161 Ave De L Eglise St Antoine NB E4V 1M2 Phone 506 525 1007 Fax 506 525 2913 11 Alaska HCO5 9821 Palmer AK 99645 Phone 907 746 3030 Fax 907 745 0508 E mail mvmiling mtaonline net 12 Wisconsin 2201 Highway O Mosinee WI 54455 Phone 715 693 1929 E mail dsclass dwave net 13 Montana 51 Basin Creek Road Basin MT 59631 Phone 406 225...

Page 9: ...igh Throttle Speed No Load 3600 RPM 3100 RPM 3600 RPM 3000 RPM Noise Level operator position 98 dBA 92 dBA Noise Level 20 feet away 90 dBA 84 dBA Blade Speed No Load 5800 sfpm sfpm Fuel Consumption per hour 20 KwHr 1 5 gal Cooling System Air Water Air Water Coolant Capacity Drive Shaft O D 1 5 8 1 7 16 1 7 16 1 7 16 Drive Pulley 4TB38 5 5 4 06 4 46 Drive Belt 3BX72 3 5VX950 3 5v750 3 5VFL770 Blade...

Page 10: ...____________ See below for a description of the V I N LT50HD D51 Basic Sawmill I D Engine Motor Configuration MODEL NUMBER DESCRIPTION Company Identification Number 456 Wood Mizer Indiana Weight Class A Under 3 000 lbs B 3 001 4 000 lbs C 4 001 5 000 lbs D 5 001 6 000 lbs Product No 2 LT28 3 LT30 40 4 LT30HD 40HD 5 LT 40 Super 6 LT40HD Super 7 LT60HD 70HD 8 LT50HD Length of the Trailer 20 20 Ft 24...

Page 11: ...Introduction Customer and Sawmill Identification Introduction 50HD07doc072310 1 7 1 MODEL NUMBER AND V I N LOCATIONS 2 1 3 HD0133 ...

Page 12: ...l result in death or serious injury WARNING suggests a potentially hazardous situation which if not avoided could result in death or serious injury CAUTION refers to potentially hazardous situations which if not avoided may result in minor or moderate injury or damage to equipment IMPORTANT indicates vital information NOTE gives helpful information Warning stripes are placed on areas where a singl...

Page 13: ... at all times regardless of ownership Also read any additional manufacturer s manuals and observe any applicable safety instructions including dangers warnings and cautions Only persons who have read and understood the entire operator s manual should operate the sawmill The sawmill is not intended for use by or around children IMPORTANT It is always the owner s responsibility to comply with all ap...

Page 14: ...des Changing blades is safest when done by one per son Keep all other persons away from area when coiling carrying or changing a blade Failure to do so may result in serious injury WARNING Always wear eye ear respiration and foot protection when operating or servicing the sawmill KEEP SAWMILL AND AREA AROUND SAWMILL CLEAN DANGER Maintain a clean and clear path for all necessary move ment around th...

Page 15: ...e with the water lube accessory Never use flammable fuels or liquids such as diesel fuel If these types of liquids are necessary to clean the blade remove it and clean with a rag Failure to do so can damage the equipment and may result in serious injury or death WARNING Drum switch grease contains Petroleum Hydrocarbon Lubricant Eye and skin irritant If introduced into eyes flush with water for at...

Page 16: ...eutralizer Electrolyte splashed into the eyes is extremely dangerous If this should happen force the eye open and flood it with cool clean water for approximately fifteen minutes A doctor should be called immediately when the accident occurs and on the spot medical attention given if possible If a doctor cannot come to the scene of the accident immediately follow his instructions concerning action...

Page 17: ...us injury WARNING Always make sure the trailer is supporting the sawmill frame when operating a sawmill with adjustable outriggers Failure to do so may result in serious injury or death The adjustable out riggers are intended to support the saw frame with assistance from the trailer WARNING The adjustable outriggers supplied with portable saw mills are not intended for setup on concrete or other h...

Page 18: ... DANGER Make sure all guards and covers are in place and secured before operating or towing the sawmill Failure to do so may result in serious injury Be sure the blade housing and pulley covers are in place and secure Use the safety retainer pin and cable to fasten blade hous ing covers ...

Page 19: ...result in serious injury DANGER Keep all persons out of the path of moving equipment and logs when operating sawmill or loading and turning logs Fail ure to do so will result in serious injury DANGER Always be sure the blade is disengaged and all persons are out of the path of the blade before starting the engine or motor Failure to do so will result in serious injury ...

Page 20: ... to do so will result in serious injury DANGER Always be aware of and take proper protective mea sures against rotating shafts pulleys fans etc Always stay a safe distance from rotating members and make sure that loose clothing or long hair does not engage rotating members resulting in possi ble injury WARNING Do not spin the blade wheels by hand Spinning the blade wheels by hand may result in ser...

Page 21: ...ea delirium and potentially death unless adequate ventilation is present DANGER Never operate an engine with a fuel or oil leak The leaking fuel or oil could potentially come in contact with hot surfaces and ignite into flames WARNING Do not operate engine without proper and operational spark arrester muffler Sparks emitted from the engine exhaust could ignite surrounding materials causing serious...

Page 22: ...n Equipment WARNING Consider all electrical circuits energized and danger ous WARNING Disconnect the negative battery terminal cable before performing any service to the 12 Volt electrical system Failure to do so may result in injury and or electrical system damage WARNING Never assume or take the word of another person that the power is off check it out and lock it out WARNING Do not wear rings w...

Page 23: ... Amputation Burn Shock Electrocution To control maintenance dangers Lockout procedures must be followed see ANSI Standard Z244 1 1982 and OSHA regulation 1910 147 Never rely on machine stop control for maintenance safety emer gency stops on off buttons interlocks Do not reach into moving blades or feed systems Allow all coast ing parts to come to a complete stop Electrical power supply and air sup...

Page 24: ... both electrically and pneumatically lockout air valve Sequence of Lockout Procedure 1 Notify all persons that a lockout is required and the reason therefore 2 If the Sawmill is operating shut it down by the normal stopping procedure 3 Operate the switch and valve so that the energy sources are disconnected or isolated from the Sawmill Stored energy such as moving blades feed system and air pressu...

Page 25: ...e his own personal lock on the energy isolating devices Rules for Using Lockout Procedure The Sawmill shall be locked out to protect against accidental or inadvertent operation when such operation could cause injury to personnel Do not attempt to operate any switch or valve bearing a lock Owner s Responsibility The procedures listed in this manual may not include all ANSI OSHA or locally required ...

Page 26: ...mped securely before saw ing Failure to do so may result in serious injury or death WARNING Always leave hydraulic loading arm halfway up while log is on sawmill bed Failure to do so may result in serious injury or death AUTOMATIC BOARD RETURN SAFETY DANGER Keep all persons out of the path of returning boards Failure to do so will result in serious injury WARNING The board return is intended to as...

Page 27: ...head may fall causing severe injury or death WARNING Always secure the saw head with a 5 16 chain with at least 1900 lbs working load capacity before adjusting the mast pads The saw head may fall causing severe injury or death WARNING Always secure the saw head with a 5 16 chain with approximately 1900 lbs working load capacity before removing the up down motor belt The saw head may fall causing s...

Page 28: ...o so may result in serious personal injury and or severe machine damage DANGER Make sure all light connections have been made and are working properly before towing the sawmill Failure to do so may result in serious personal injury and or severe machine dam age WARNING The trailer option is designed for the express purpose of towing the sawmill it is supplied with Do not make modifications or addi...

Page 29: ...o so may result in serious personal injury and or severe machine damage DANGER Be sure electric brake battery is charged and is working properly before towing the sawmill Failure to do so may result in serious personal injury and or severe machine damage DANGER Do not use the electric brake system as an emergency brake while the sawmill is not being towed Extended use of the electric brakes while ...

Page 30: ...securing It IS possible to twist the mill frame by jacking one foot higher than the others WARNING Securely fasten the feet of a stationary sawmill to the floor before operating the sawmill Failure to do so may result in serious injury or death 3 Start the engine to enable the battery operated accessories See Section 3 6 Use the up down switch on the control panel to raise the cutting head from th...

Page 31: ...Sawmill Setup Stationary Sawmill Setup Sawmill Setup 50HD07doc072310 3 2 3 See Figure 3 1 FIG 3 1 Side Support Bed Rail Stop Block Pivot End Rail 600099 ...

Page 32: ...sult in serious injury or death WARNING Always make sure the trailer is supporting the sawmill frame when operating a sawmill with adjustable outriggers Failure to do so may result in serious injury or death The adjustable outriggers are intended to support the saw frame with assistance from the trailer WARNING The adjustable outriggers supplied with porta ble sawmills are not intended for setup o...

Page 33: ...pin is free from the outrigger channel notch then pull the locking pin out to release the outrigger Lower the outrigger as necessary Push the locking pin back in and turn clockwise until the inner roll pin is behind the outrigger channel notch to lock the outrigger in place WARNING Put front outrigger down before moving cutting head from the rest position Failure to do so may result in serious inj...

Page 34: ...there is weight on the FAO Damage to the FAO may result 3 Use the up down on the control box to raise the cutting head from the carriage rest pin Remove the locking pin and swing the rest pin down below bed level CAUTION Always make sure the engine is running before operating the sawmill controls Operating the controls with out the engine running will result in power drainage from the battery 4 Re...

Page 35: ...an the others For FAO s fine tune the outrigger base height as necessary Move the cutting head to the opposite end of the mill from the outrigger Raise the entire outrigger to remove the sawmill weight from it and adjust the outrigger base as necessary Lower the entire out rigger and use the locking pin to secure in position CAUTION Do not adjust the FAO outrigger base height while there is weight...

Page 36: ...le to release the blade tension until the wheel is pulled in and the blade is lying loose in the blade housing Lift the blade out of the blade housing When installing a blade make sure the teeth are pointing the correct direction The teeth should be pointing toward the operator side of the mill when you are looking at the blade below the blade guides Install the blade so it is lying around the whe...

Page 37: ...ting Ambient temperature changes will cause tension to change Adjust the ten sion handle as necessary to maintain the recommended tension level CAUTION Changes in temperature could cause increased pressure in the blade tensioner and loss of fluid from the gauge Release the blade tension when the mill is not in use to avoid damage to the tensioner FIG 3 5 Blade Type Acceptable Range Ideal Tension 0...

Page 38: ... See Figure 3 6 Position 1 1 4 wide blades so the gullet is 1 8 3 0 mm out from the edge of the blade wheel 1 16 1 5 mm Position 1 1 2 blades so the gullet is 3 16 4 5 mm out from the edge of the blade wheel 1 16 1 5 mm 5 To adjust where the blade travels on the blade wheels use the cant control shown in Fig ure 3 5 If the blade is too far out back the blade onto the wheel by turning the cant cont...

Page 39: ... all guards and covers are in place and secured before operating or towing the sawmill Failure to do so may result in serious injury Be sure the blade housing and pulley covers are in place and secure Use the safety retainer pin and cable to fasten blade housing cov ers IMPORTANT After aligning the blade on the wheels always double check the blade guide spacing and location See Section 7 for more ...

Page 40: ...vers are in place and secure Use the safety retainer pin and cable to fasten blade housing cov ers DANGER Always be sure the blade is disengaged and all persons are out of the path of the blade before starting the engine or motor Failure to do so will result in serious injury WARNING Always wear eye ear respiration and foot pro tection when operating the sawmill Failure to do so may result in seri...

Page 41: ...tem consists of an arm on the saw head controlled by a toggle switch on the control panel A board return table is also provided to catch the board as it is removed from the log Use of the board return not recommended with material shorter than 8 foot To activate the board return turn the key switch to the accessory 3 or start 1 posi tion Push the toggle switch on the control panel down The board r...

Page 42: ...ot allow the sawyer or off bearer to maintain control it may be necessary to stop the reverse motion of the saw head When the board return is to be used a second person is required to remove the board as it is returned DO NOT attempt to use the board return feature when sawing alone To bypass the board return feature push the toggle switch on the control panel up ...

Page 43: ...evers to load clamp turn and level logs Use the hydraulic control levers to get the mill ready to load a log DANGER Keep all persons out of the path of moving equipment and logs when operating sawmill or loading and turning logs Failure to do so will result in serious injury CAUTION Always make sure the engine is running before operating the hydraulic controls Operating the controls without the en...

Page 44: ... and or falling off the side of the sawmill 6 When raising the turner lever the side supports rise first After reaching a fully vertical position the turner arm will engage and start to rise CAUTION Be careful when manually lowering the log loader Do not drop the loader onto the ground or perform any action which might break the velocity fuse valves on the loader cylinders These valves control hyd...

Page 45: ...og onto the loader so that it is approximately centered with the sawmill bed The log turner will operate much easier if the log is centered on the sawmill bed DANGER Keep all persons out of the path of moving equipment and logs when operating sawmill or loading and turning logs Failure to do so will result in serious injury 5 Start the engine and raise the loader lever to raise the log onto the sa...

Page 46: ...the clamp up down lever to lower the clamp below bed level 2 Raise the clamp in out lever to move the clamp in beneath the edge of the cant 3 Raise the clamp up down lever to raise the clamp and flip the cant To Clamp Logs 1 Raise the clamp in out lever and clamp the log against the side supports 2 Lower the turner lever until the turner arm falls below the bed 3 When the turner arm is lowered all...

Page 47: ...anel Push the switch up to raise the cutting head push the switch down to lower the cutting head Hold the switch in position until the cutting head reaches the desired height then release The up down switch is designed to return to the neutral or off position when released If the switch remains engaged manually move the switch to the neutral or off position Repair the up down drum switch See Secti...

Page 48: ...m 2 Use the blade guide toggle switch on the control panel to adjust the outer blade guide as necessary Push the switch to the left to move the arm in Push the switch to the right to move the arm out See Figure 4 3 3 Use the blade guide toggle switch to readjust the outer blade guide as you are cutting in order to keep the guide within 1 2 5 cm of the log Be sure to adjust the arm back out before ...

Page 49: ...f your first few cuts 3 Start the engine or motor as instructed in the option manual DANGER Keep all persons out of the path of moving equipment and logs when operating sawmill or loading and turning logs Failure to do so will result in serious injury Be sure the blade housing and pulley covers are in place and secure before starting the engine or motor Use the safety retainer pin and cable to fas...

Page 50: ...h brake lever down until it locks in the down position This engages the drive mechanism releases the blade brake and increases the engine speed to full throttle 5 To disengage the blade raise the clutch brake lever to the up position This disengages the drive belt engages the blade brake and returns the engine to idle ...

Page 51: ...ed Carriage Forward and Reverse The carriage forward reverse switch controls the direction in which the carriage travels Turn the forward reverse switch upward to move the carriage forward Turn the switch down to move the carriage backward The middle position as shown is the neutral position The power feed switch is designed to return to the neutral or off position when released from operating in ...

Page 52: ...al sawing procedure described in Section 4 9 Throw the clutch brake lever up or the optional autoclutch toggle switch down to stop the blade and drop the engine to idle Remove the board from the top of the log Always disengage the blade before returning the carriage for the next cut CAUTION Be sure to stop the blade when returning the carriage This will not only prevent the blade from being pulled...

Page 53: ...utch brake lever or autoclutch blade switch to start the blade spinning 4 Start the water lube if necessary to prevent sap buildup on the blade See Section 4 11 5 If you want to use the board return function push the toggle switch on the control panel down See Section 3 7 6 Feed the blade into the log slowly See Section 4 6 Once the blade completely enters the log increase the feed rate as desired...

Page 54: ...rees If the log was turned 90 degrees and you are using toe boards to compensate for taper in the log raise the front or rear toe board again on the second side of the log until the heart is parallel with the bed 11 Repeat the steps used to cut the first side of the log until the log is square Cut boards from the remaining cant by adjusting the blade height for the thickness of boards that you wan...

Page 55: ...e side supports halfway up the flitch height Wider flitches should be placed to the clamp side When they are edged flip them over to edge the sec ond side without disturbing the other flitches or without having to pull them from the mid dle of the stack 4 Adjust the blade height to edge a few of the widest boards 5 Loosen the clamp and turn the edged boards over to edge the other side 6 Repeat ste...

Page 56: ...es recommend disen gaging the blade before returning the carriage for maximum blade life and fuel economy DANGER If leaving the blade engaged for maximum pro duction rates make sure the off bearer stays out of the path of the blade Failure to do so will result in serious injury or death CAUTION If you choose to leave the blade engaged raise the blade to clear the log before returning the carriage ...

Page 57: ... of the mill If you know the height of your blade at each cut you can determine the thickness of lumber you are sawing Example You want to cut 1 25 mm random width boards from a log Position the blade for the first cut Move the carriage to an even measurement on the inch scale Make a trim cut Return the carriage for the second cut and lower it 1 1 8 29 mm below the orig inal measurement The extra ...

Page 58: ...eight indicator Tighten the wing studs CAUTION Be sure to leave the wing studs in the vertical orientation to avoid interference with the blade height indi cator Failure to do so may result in damage to the indicator Make a trim cut When you return the carriage for a second cut lower the carriage to the next mark on the scale This mark shows where the blade should be positioned to cut a certain th...

Page 59: ...owers the risk of stain ing the boards with water Usual flow will be 1 2 gallons 3 8 7 6 liters per hour Before removing the blade engage the blade Let the blade spin with water running on it for about 15 seconds This will clean the blade of sap buildup Wipe the blade dry with a rag before storing or sharpening For further lubrication benefits add one 12oz bottle of Wood Mizer Lube Additive to 5 g...

Page 60: ...rag Failure to do so can damage the equipment and may result in serious injury or death If you are sawing in freezing temperatures remove the water lube bottle from the sawmill when done sawing and store it in a warm place Blow any remaining water from the water lube hose If your sawmill is equipped with the optional LubeMizer System see the separate LubeM izer System manual for operation instruct...

Page 61: ...he sawmill Raise the rear outriggers See Figure 4 8 For Fine Adjust Outriggers FAOs make sure the outrigger base is adjusted so that the grease fitting is just below the lowest outrigger hole before securing the FAO in position with the lock pin This provides maximum ground clearance while pre venting the lock pin from hitting the grease fitting CAUTION Be sure the outrigger base is adjusted prope...

Page 62: ...ner lever to lower the turner until the chain is tight Push the loader lever down to bring the loader arm channels up to the loader 4 Release the blade tension CAUTION Changes in temperature could cause increased pressure in the blade tensioner and loss of fluid from the gauge Release the blade tension when the mill is not in use to avoid damage to the tensioner 5 Move the carriage forward to the ...

Page 63: ...st the two stops located at the bottom of the mast so the saw head con tacts them after it is lowered 3 4 19mm past where it contacts the rest pin See Figure 4 10 11 Engage the clutch brake lever or autoclutch blade switch This keeps the drive belt tight and the motor from bouncing while traveling Be sure to disengage the clutch brake lever or autoclutch blade switch after reaching the destination...

Page 64: ...er guide 14 Place both fenders in the slots located behind the trailer tires and secure with rubber straps Raise all but the very front outrigger For Fine Adjust Outriggers FAOs be sure to adjust the outrigger base height so that the grease fitting is just below the lowest outrigger hole before securing the FAO in position with the lock pin CAUTION Be sure the outrigger base is adjusted properly b...

Page 65: ...1 This chart lists estimated life expectancy of common replacement parts if proper maintenance and operation procedures are followed Due to the many variables which exist during sawmill operation actual part life may vary significantly This informa tion is provided so that you may plan ahead in ordering replacement parts Part Description Estimated Life Up Down Motor Brushes 1000 hours B57 Blade Wh...

Page 66: ...ing is bent or damaged replace the block assembly Also replace the block assemblies before the blocks are worn to a point the blade may contact the lower step or housing 3 Check the guide blocks are properly spaced from the blade every 25 hours of operation Use the provided shim or a feeler gauge to check the blocks are adjusted 008 010 from the blade As the blocks wear the front inside corner wil...

Page 67: ...urn the adjustment screw clockwise Retighten the mounting bolt and clamp bolt IMPORTANT The blocks should be parallel to the blade Check the space between the insert and the blade at each side of the insert to insure it is parallel Use the appropriate outer adjustment bolt to tilt the insert mounting plate so the insert is parallel to the blade FIG 5 1 600244 3 Turn adjustment bolt clockwise to lo...

Page 68: ...blade When proper spacing is achieved tighten the outer bolt nuts Preventing sap buildup on the blade is critical when using the high performance blade guide system If the wood you are sawing leaves sap buildup using plain water in the blade lube system use Wood Mizer lube additive 4 Pak 60 oz bottles part no ADD 1 FIG 5 2 3H0932 1B Guide block 008 010 from blade Loosen screws and adjust deflector...

Page 69: ...rew in the top center of the C frame is 1 16 1 5 mm away from the blade If not loosen the nut and adjust the screw as necessary Check the screw every 500 hours of operation Failing to maintain this adjustment will lead to early blade breakage See Figure 5 3 FIG 5 3 SM0054 1 16 1 6 mm ...

Page 70: ...he steel fingers have been designed to help prevent a broken blade or some other object from becoming a projec tile and exiting the sawdust chute Failure to have these fin gers in place may result in serious injury Remove all sawdust and debris from around the velocity fuse valves every 8 hours of operation The valves are located at the bottom of the log loader cylinders Remove sawdust buildup as ...

Page 71: ...gs roll can cause rapid deterioration of the track rail s surface Lubricate the rails by wiping them with Dexron III ATF transmission fluid Lubrication will help protect the rails from corrosive elements such as acid rain and or moisture from nearby bodies of saltwater if applicable This lubrication is essential to maintain the integrity of the track rails and track rollers and to achieve long ser...

Page 72: ...irmly against the rail If a track scraper needs to be adjusted loosen the screw push the scraper downward until it fits firmly against the rail and retighten the screw FIG 5 4 AR Adjust track scrapers 2 Clean sawdust from upper cam housings Remove track wiper clean and lubricate Carriage track Loosen thumb screw to open housing lid SM0135 1 ...

Page 73: ...to the OFF 0 position and remove the key If the key is turned on and moving parts activated serious injury may result Clean and lubricate the vertical mast rails every 50 hours of operation Clean with solvent and remove any rust with a light grade sand paper or emery cloth Lubricate the mast with motor oil or automatic transmission fluid ATF CAUTION Never use grease on the mast rails as it will co...

Page 74: ...feed drum switch contacts inside the control panel every fifty hours of operation Use only contact grease supplied by Wood Mizer Remove the control panel cover Use a cotton swab to apply grease to the switch contact ends WARNING Drum switch grease contains Petroleum Hydro carbon Lubricant Eye and skin irritant If introduced into eyes flush with water for at least 15 minutes If film or irrita tion ...

Page 75: ...y fifty hours of operation to help prevent it from rusting 3 Adjust the blade guide arm drive chain as necessary to prevent the arm from slipping To adjust the chain loosen the blade guide arm motor mounting plate bolts and slide the motor to take slack out of the chain See Figure 5 5 Proper routing of the blade guide arm drive chain is shown below 4 Grease the clamp mechanism loading arm clutch h...

Page 76: ...0 Maintenance 6 Check the mill alignment every setup See Section 7 7 Make sure all safety warning decals are readable Remove sawdust and dirt Replace any damaged or unreadable decals immediately Order decals from your Customer Service Representative ...

Page 77: ...0 position and remove the key If the key is turned on and moving parts activated serious injury may result 1 Lubricate the chrome rods of the tensioner system with a heavy duty teflon spray lubri cant such as Gunk L508 every fifty hours of operation 2 Lubricate the tensioner screw handle with a NLGI No 2 grade lithium grease as needed See Figure 5 6 FIG 5 6 50 SM0058B Chrome rods Tensioner screw h...

Page 78: ...l a puddle of fluid forms and is maintained over the fill hole As you maintain the puddle manually extend the rear piston Be careful not to draw air into the tensioner Use pliers to pull the rear piston if necessary but only grip the outer 1 4 of the rear piston Gripping or marring the surface beyond this point could result in seal damage and prevent the system from holding tension Continue pullin...

Page 79: ...ors belts and chains first turn the key switch to the OFF 0 position and remove the key If the key is turned on and moving parts activated serious injury may result Rotate the blade wheel belts and check them for wear Rotating the belts every 50 hours will provide longer belt life Replace belts as necessary Use only B57 belts manufactured by Goodyear or Browning 50 ...

Page 80: ...drive belt jumps from the drive pulley when the clutch handle is disengaged 1 To access the brake strap remove the belt cover located underneath the engine 2 Engage the clutch brake lever See Figure 5 8 3 Loosen the two nuts on the upper brake strap bracket Slide the bracket and brake strap down 1 8 and retighten the bracket nuts 4 Disengage the clutch Check the drive belt fit in the drive pulley ...

Page 81: ...ition and remove the key If the key is turned on and moving parts activated serious injury may result WARNING Do not for any reason adjust the engine drive belts or belt support bracketwith the engine running Doing so may result in serious injury See Table 5 2 See the table below for drive belt tension specifications for your model sawmill 1 Remove the two belt covers located underneath the engine...

Page 82: ...sion and adjust if necessary The throttle cable should be tensioned just enough so that the engine revs as soon as the clutch brake handle is engaged The throttle linkage should NOT affect engine RPM while the clutch brake handle is disengaged NOTE A properly adjusted throttle will extend the cable spring 1 4 to 3 8 6 4 9 5 mm when running and have a slight amount of slack in the cable when idling...

Page 83: ...t 1 Make sure the motor is not running Loosen the adjustment bolts 2 Position the bracket so that the prong is close to but does not touch the drive belt with the clutch handle engaged 3 Retighten the adjustment bolts 25 27 pound feet 34 37 newton meters FIG 5 10 3H0392 Loosen bolts 2 Slide bracket toward drive belt ...

Page 84: ...essive fluid wear and allow the fluid to maintain its hot end performance If humidity is not a problem drain and replace one gallon 3 8 liters of fluid every year to prevent fluid wear See Figure 5 11 If you are operating in temperatures 20 to 100 F 29 to 38 C use an all weather hydraulic fluid such as Conoco MV32 For alternate fluids and or other temperature ranges refer to the chart below Operat...

Page 85: ...urs of operation Remove brush dust and replace the brushes if they worn to a length of 1 4 or shorter CAUTION Do not operate the hydraulic system if the pump motor brushes are worn shorter than 1 4 Damage to the pump motor may result 4 Periodically check all hydraulic lines and fitting as needed Replace as necessary 750 ...

Page 86: ...fill the fluid in the drive side cylinder bearing housing every 500 hours of operation Disconnect the oil level view hose from the fitting at the top of the bearing housing With the fitting at the bottom of the bearing housing still connected allow oil to drain from the oil level view hose Once drained pour fresh Automatic Transmission Fluid ATF such as Dexron III ATF into the hose until the oil l...

Page 87: ... system damage Adjust the up down chain tension as needed Measure chain tension with the head all the way to the top of the vertical mast Secure the head with a chain at the top Find the chain adjusting bolt at the bottom of the mast Use the adjustment nut to adjust the bolt until the center of the chain can be deflected 3 4 1 9cm forward and 3 4 1 9cm backward with a 5 lb 2 3 Kg deflection force ...

Page 88: ...elt design Belt tension is automatically maintained and requires no adjustment Replace the belt when adequate belt tension can no longer be obtained WARNING Always secure the saw head with a 5 16 chain with at least 1900 lbs working load capacity before remov ing the up down motor belt The cutting head may fall causing severe injury or death Periodically check the belt for wear Replace any damaged...

Page 89: ... in 8 ounce bottles 5 Inspect the up down motor brushes every 750 hours of operation Remove brush dust and replace the brushes if they worn to a length of 5 8 or shorter CAUTION Do not operate the up down system if the motor brushes are worn shorter than 5 8 Damage to the up down motor may result 750 ...

Page 90: ... and or electrical system damage 1 Adjust the power feed belt as needed When the power feed belt gets loose it will begin slipping This causes the carriage to not move forward when cutting To retighten the belt See Figure 5 15 Remove the four cover bolts and belt cover and measure the belt ten sion The belt should be tightened so there is 1 8 3 mm deflection with a 7 lb 3 2 Kg deflection force To ...

Page 91: ...sion with the saw head all the way toward the front of the mill Use the two lock nuts at the rear of the mill to tighten or loosen the power feed chain Adjust the chain until it measures 7 to 8 inches 17 8 to 20 3 cm from the top of the top rail at its lowest point CAUTION Do not overtighten the feed chain Damage to the power feed motor may result See Figure 5 16 FIG 5 16 AR Feed Chain Adjustment ...

Page 92: ...shes every 750 hours of operation Remove brush dust and replace the brushes if they worn to a length of 5 8 or shorter CAUTION Do not operate the power feed system if the feed motor brushes are worn shorter than 5 8 Damage to the feed motor may result FIG 5 17 Feed Chain Sprockets Route chain under bottom sprocket between both sprockets then over top sprocket 3H0692 750 ...

Page 93: ...th clean water A solution of baking soda or household ammonia and water may be used as a neutral izer Electrolyte splashed into the eyes is extremely dangerous If this should happen force the eye open and flood it with cool clean water for approximately fifteen minutes A doc tor should be called immediately when the accident occurs and on the spot medical attention given if possible If a doctor ca...

Page 94: ... Remove the two wing nuts and flat washers holding the battery box lid to the battery box 4 Remove the battery box lid 5 Clean the battery terminals if necessary 6 Connect the positive charger jumper cable directly to the positive battery terminal 7 Connect the negative charger jumper cable to a grounded metal surface 8 Follow the instructions supplied with your specific battery charger IMPORTANT ...

Page 95: ...the log will catch on the support bracket and not turn See Figure 5 18 To adjust the chain tension loosen the clamping bolt nut and the jam nut on the adjustment bolt Turn the adjustment bolt counterclockwise to tighten the chain until it is aligned with the curved portion of the support bracket Retighten the jam nut and the clamping bolt nut FIG 5 18 REV A4 00 A5 02 FIG 5 18 REV A1 01 A3 00 A R L...

Page 96: ...F OPERATION FILL IN THE DATE AND THE MACHINE HOURS AS YOU PERFORM EACH PROCEDURE A SHADED BOX INDICATES MAINTENANCE IS NOT NEEDED AT THIS TIME 50 HRS 100 HRS 150 HRS 200 HRS 250 HRS 300 HRS 350 HRS 400 HRS 450 HRS 500 HRS Clean lube mast rails See Section 5 5 Lubricate drum switches See Section 5 6 Grease pivot points and bearings Oil chains See Section 5 7 Lubricate blade tensioner handle and rod...

Page 97: ...tensioner handle and rods See Section 5 8 Rotate drive idle blade wheel belts Check for wear See Section 5 9 Check brake strap tension See Section 5 10 Check belt tensions See Section 5 11 See Section 5 14 See Section 5 15 Check blade throat screw See Section 5 2 Replace cylinder drive bearing fluid See Section 5 13 Check feed up down chain tensions See Section 5 14 See Section 5 15 Check up down ...

Page 98: ...lade tensioner handle and rods See Section 5 8 Rotate drive idle blade wheel belts Check for wear See Section 5 9 Check brake strap tension See Section 5 10 Check belt tensions See Section 5 11 See Section 5 14 See Section 5 15 Check blade throat screw See Section 5 2 Replace cylinder drive bearing fluid See Section 5 13 Check feed up down chain tensions See Section 5 14 See Section 5 15 Check up ...

Page 99: ...lade tensioner handle and rods See Section 5 8 Rotate drive idle blade wheel belts Check for wear See Section 5 9 Check brake strap tension See Section 5 10 Check belt tensions See Section 5 11 See Section 5 14 See Section 5 15 Check blade throat screw See Section 5 2 Replace cylinder drive bearing fluid See Section 5 13 Check feed up down chain tensions See Section 5 14 See Section 5 15 Check up ...

Page 100: ...lade tensioner handle and rods See Section 5 8 Rotate drive idle blade wheel belts Check for wear See Section 5 9 Check brake strap tension See Section 5 10 Check belt tensions See Section 5 11 See Section 5 14 See Section 5 15 Check blade throat screw See Section 5 2 Replace cylinder drive bearing fluid See Section 5 13 Check feed up down chain tensions See Section 5 14 See Section 5 15 Check up ...

Page 101: ...lade tensioner handle and rods See Section 5 8 Rotate drive idle blade wheel belts Check for wear See Section 5 9 Check brake strap tension See Section 5 10 Check belt tensions See Section 5 11 See Section 5 14 See Section 5 15 Check blade throat screw See Section 5 2 Replace cylinder drive bearing fluid See Section 5 13 Check feed up down chain tensions See Section 5 14 See Section 5 15 Check up ...

Page 102: ...y See Sharpener Manual Blades Break Prematurely Poor sharpening techniques See Sharpener Manual Rubber belts on blade wheels worn to a point that blade con tacts metal pulley look for shiny spots on edge of wheels Change blade wheel belts B 57 Tension too tight Tension blade to recommended specifications Blade Does Not Track Right on Drive Wheel Cant adjustment is incorrect Readjust Flat worn belt...

Page 103: ...Vertical wear pads are too tight Adjust pads Up down belt loose Replace belt Lumber Is Not Square Vertical side supports not square to bed Adjust side supports Blade not parallel to bed rails Adjust bed rails parallel to blade Sawdust or bark between cant and bed rails Remove particles Tooth set problems Resharpen and reset blade Sawdust Builds Up On Track Excessive oiling Do not oil track Track w...

Page 104: ...cts in drum switch Replace switch or remove control panel cover and clean contacts Bad key switch Replace key switch Circuit breaker Reset breaker in control box See Sec tion 6 3 Burned out motor Replace motor Bad connection on battery post or loose wire Check for loose wire or terminal connec tions Power Feed Motor Does Not Work Sawdust buildup in the power feed pulleys Sawdust buildup puts mecha...

Page 105: ...n on battery post Remove connection and clean posts Battery Will Not Stay Charged Key switch left ON Turn switch OFF when not in use Short in system Visually check for bare wires and or have checked Charging system not function ing Have charging system checked by authorized dealer Bad battery cells Check fluid levels and add proper solu tion Idle improper Adjust low end RPM per engine manual Loose...

Page 106: ...wer Feed Is Jerky At Low Speeds Or Does Not Move Until Speed Is Above Halfway Mark Drum switch is dirty Clean drum switch and lubricate with contact grease supplied by Wood Mizer Drum switch contacts are bad Check that contacts are in good condition and positively close cir cuit Components are loose or wires are broken Replace or repair PC board Power Feed Is Jerky When Shaft Of Feed Rate Dial Is ...

Page 107: ...restarting Chain is dragging Make sure chain is centered on idler Clean and lubricate chain Adjust chain tension Allow motor to cool before restarting Chain is improperly tensioned Adjust chain tension Allow motor to cool before restarting Operator Seat option load is excessive Check seat bearings for freedom of movement Loosen clamping screw 1 4 turn Allow motor to cool before restarting Power fe...

Page 108: ... control box panel If you have trouble determining the problem indicated by the lights please note which lights are on and call customer service for assistance BL TL BR TR The two red and two green lights indicate different states of sawmill operation Several different states of the lights in three positions of the power feed drum switch with the feed rate dial switch all the way up are shown belo...

Page 109: ...oid is not powered Check the jumper cable connecting Vkey1 and Vkey2 Terminals Reconnect if necessary If the light is still off the accessory solenoid may be defective Vcc The Vcc light is on when power is applied to the Vkey2 Terminal If the light is off check all connections to the key switch Also check the fuse located between the Vkey2 terminal and the key switch Vcc2 This red light indicates ...

Page 110: ...wn below When troubleshooting the system please note which LED Bar Graph lights are on and contact Customer Service for assistance FIG 6 2 FIG 6 3 Key On Bridge Enabled Power Feed Drum Switch in Forward Position Power Feed Potentiometer Off No Faults Key On Bridge Enabled in Neutral Position No Faults Power Feed Drum Switch SM0314 2B Key Power Indicator Master Bridge Enabled Past Fault Indicator P...

Page 111: ... strip on main tube Check contact and strip for tarnish or loose wires Clean as neces sary Poor ground connection Check ground connection between pump and saw frame and between battery negative contact and lower rail Check contact and rail for tarnish or loose wires Clean as neccesary Blown fuse Replace Low or dead battery Test battery amperage capability such as low battery charge low alternator ...

Page 112: ...ultipurpose ATF automatic transmission fluid until level is 4 4 1 2 from bottom of reservoir with all cylinders retracted Pressure relief valve moved from proper setting Adjust pressure relief valve Low air temperature causing fluid to thicken Allow fluid to warm up Synthetic fluids are available that allow for hydraulic operation in cold weather conditions Univis HVI 13 Pump Motor Runs Continu ou...

Page 113: ...re causing fluid to thicken Allow fluid to warm up Synthetic fluids are available that allow for hydraulic operation in cold weather conditions Univis HVI 13 Hydraulic Turner Goes Up Before Or At Same Time As Side Supports Dirt in sequence valve Remove sequence valves and clean thoroughly with kerosene NOTE Be sure to reassemble the valve and install it in its original position on the cylinder Ret...

Page 114: ...f hydraulics operate properly hoses and cylinder seals are good Perform further valve inspection found below If up creep still occurs check all hoses for possible pinholes causing leakage Replace if applicable Retest If up creep still occurs replace cylin der seals or cylinder and retest Be sure to reconnect the hose to the proper valve section when done FURTHER VALVE INSPECTION If further inspect...

Page 115: ...spection found below If down creep still occurs check all hoses for possible pinholes causing leakage Replace if applicable Retest If down creep still occurs replace cylinder seals or cylinder and retest Be sure to reconnect the hose to the proper valve section when done FURTHER VALVE INSPECTION If further inspection of the valve is required after initial check remove the check valve shown below F...

Page 116: ... jerky or don t work at all Low fluid level Check fluid level and add fluid as nec essary Check for leaks in the system at the control box fittings hoses and cylinders One of the log loader cylin ders does not move when lowering the loader causing the foot of other to raise completely before loader will start down Damaged cylinder shaft Replace the cylinder that is not moving ...

Page 117: ... on the engine motor to the alternator pulley Loosen the bushing on the engine motor pulley and adjust if necessary until it is aligned with the alternator pulley 3 With the clutch handle disengaged use a straight edge to check the alignment of the engine motor pulley to the main drive pulley Loosen the bushing on the drive pulley and adjust if necessary until it is aligned with the engine motor p...

Page 118: ...here is a jerky response Turn the dial and move the shaft back and forth again Repeat several times If the jerkiness occurs at the same location on the dial several times you need to replace the variable speed switch WARNING Disconnect and lockout power before perform ing any service to the electrical system For battery pow ered equipment disconnect the negative battery terminal cable Failure to d...

Page 119: ...problem is mechanical or electrical 1 Remove the drive belt from the power feed drive pulley 2 Turn the key switch to the ACC position Put the carriage forward reverse switch into the forward position and turn the feed rate dial through all speeds If the power feed motor runs properly at all speeds the problem is a mechanical one instead of an electrical one ...

Page 120: ...wdust buildup 4 Make sure the power feed chain is not stiff from rust Also make sure the chain is not too tight 5 Check the power feed shaft Visually inspect the bearings The shaft should move neither in or out nor side to side 6 Make sure the power feed chain cam bearing is not touching the main frame tube 7 Make sure there is no sap or rust on the rails 8 Make sure the stop on the lower track ro...

Page 121: ...lief valve adjustment screw shown may be used to fine tune the hydraulic pressure Remove the adjustment screw nut Tighten the adjustment screw clockwise to increase pressure Loosen the adjustment screw counterclockwise to lower pressure CAUTION Pressure should not exceed 2200 psi If it does the amp draw will rise above the design maximum of 200 amps and could cause battery and system problems Pres...

Page 122: ...is designed to provide enough power to raise the saw head only Do not attempt to start the engine or operate any other electrical function until direct battery charging can be performed Do not attempt to move the saw head by attaching jumper cables from a sec ondary power source to the up down motor terminals Dam age to the electrical system will result See Figure 6 5 1 Remove the fuse box cover a...

Page 123: ... it can supply enough power to raise the saw head 6 After the saw head is raised remove the negative cable from ground 7 Remove the positive cable from the extension stud 8 Remove the extension stud from the fuse terminal and return it to its storage location 9 Remove the battery box lid and connect the positive cable directly to the positive battery terminal 10 Connect the negative cable to a gro...

Page 124: ...ntrol box The blade guide accessory ignition start and board return breakers are located inside the control box Remove the circuit breaker panel from the control box to access the internal breakers NOTE If the breaker is still hot you may not be able to reset it immediately Allow the breaker to cool for a few min utes before attempting to reset FIG 6 6 External Power Feed Circuit Breaker External ...

Page 125: ...awdust buildup from the surface of the belts Replace worn belts if they do not keep the blade from contacting the blade wheel 2 Install a clean blade and apply the appropriate tension See Section 3 4 3 Inspect the blade guide blocks for damage or wear and replace as necessary Check the blade guide blocks and drive side deflector plate are properly adjusted See Section 5 2 4 Adjust the idle side ca...

Page 126: ...e 1 Move the saw carriage so the blade is positioned over a bed rail Adjust the blade guide arm to 1 2 15 mm from full open 2 Raise the saw head so the bottom of the blade measures 14 3 4 375 mm from the top surface of the bed rail near the inner blade guide assembly See Figure 7 1 3 Measure from the blade to the bed rail near the outer blade guide assembly This mea surement should be 1 16 1 5 mm ...

Page 127: ...ide of the saw head loosen the four inner adjustment nuts 1 4 turn and tighten the four outer nuts Recheck the measurement from the blade to the bed rails and adjust the horizontal adjustment nuts until the outside of the saw head is 1 16 higher than the inside FIG 7 2 3H0125 2 Adjust nuts in to raise saw head Adjust nuts out to lower saw head DETAIL OF LOWER TRACK ROLLER ASSEMBLY ...

Page 128: ... the arm rollers See Figure 7 3 Remove the blade housing cover to access the blade guide arm roller mounting bolts The blade guide arm rollers are mounted on cam shaped bolts Turning the bolts will cause each roller to move up or down If the inner lower roller is loose adjust the inner top roller down If the outer lower roller is loose adjust the outer lower roller up Retighten the jam nuts and re...

Page 129: ...e Figure 7 4 4 Adjust the blade guide arm to 1 2 15 mm from fully open and remeasure the distance from the roller flange to the back of the blade The two measurements should be the same If not adjust the outer rollers in or out to tilt the arm horizontally FIG 7 4 REV A2 01 A5 02 OPTIONAL HIGH PERFORMANCE ROLLER BLOCKS SHOWN FIG 7 4REV A2 01 600244 8 Measure distance between roller flange and blad...

Page 130: ...n the outer rollers and tighten the front nuts Recheck the blade guide arm horizontal tilt 5 Now check the vertical tilt of the blade guide arm Move the saw carriage so the blade guide arm is positioned over a bed rail 6 With the arm 1 2 15 mm from fully closed raise or lower the saw head until the bottom of the blade guide block is 15 375 mm from the top of the bed rail FIG 7 5 Adjust inner rolle...

Page 131: ... mounting block to the bed rail This measurement should be 15 376 5 mm or slightly higher because the saw head is tilted up 1 16 1 5 mm on the outside See Saw Head Tilt If the blade guide is closer to the bed rail or more than 1 16 higher with the arm open adjust outer rollers up or down to tilt the blade guide arm vertically FIG 7 6 A B Measure from blade guide arm to bed rail with arm open and c...

Page 132: ...de housing and turn the mounting bolts To tilt the blade guide arm down adjust the outer top and bottom rollers up To tilt the blade guide arm up adjust the outer top and bottom roll ers down Retighten the jam nuts and recheck the blade guide arm vertical tilt FIG 7 7 3H0802 8 Adjust outer rollers up to tilt arm down Adjust outer rollers down to tilt arm up Turn bolts to move rollers up or down Bl...

Page 133: ...ose to the outer blade guide assembly Be sure the tool does not rest on a tooth or burr and is lying flat against the bottom of the blade See Figure 7 8 3 Move the carriage so that the front end of the tool is positioned above the bed rail Mea sure the distance from the bed rail to the bottom edge of the tool 4 Move the carriage so that the back end of the tool is positioned above the bed rail Mea...

Page 134: ...7 Move the blade guide alignment tool close to the inner blade guide roller assembly and repeat the above steps Adjust the vertical tilt of the inner blade guide if necessary FIG 7 9 REV A2 01 A5 02 OPTIONAL HIGH PERFORMANCE ROLLER BLOCKS SHOWN FIG 7 9REV A2 01 600244 5 Top Vertical Tilt Adjustment Screw Bottom Vertical Tilt Adjustment Screw Adjust screws down to tilt roller up Adjust screws up to...

Page 135: ...er is spinning down causing it to push the blade away from the guide roller 8 Remove the blade guide alignment tool from the blade and adjust the blade guide arm halfway in 9 Remove the clip from the blade guide alignment tool Place the tool against the face of the outer blade guide roller See Figure 7 10 FIG 7 10 REV A2 01 A5 02 OPTIONAL HIGH PERFORMANCE ROLLER BLOCKS SHOWN A B 600244 6 Horizonta...

Page 136: ...n the back edge of the blade and the tool at the end closest to the inner blade guide B 11 Measure between the back edge of the blade and the other end of the tool A The roller should be tilted slightly to the left A 1 8 3 mm less than B 1 8 3 mm FIG 7 10REV A2 01 A B 3H0802 19B Blade Guide Alignment Tool ...

Page 137: ... recheck the tilt of the blade 12 Repeat the above steps for the inner blade guide roller assembly NOTE Once the blade guides have been adjusted any cutting variances are most likely caused by the blade See Blade Handbook Form 600 FIG 7 11 REV A2 01 A5 02 OPTIONAL HIGH PERFORMANCE ROLLER BLOCKS SHOWN FIG 7 11REV A2 01 600244 11 Adjust screws right to tilt roller left Adjust screws left to tilt rol...

Page 138: ...re hor izontal and vertical tilt adjustments are maintained when the adjustment screws are retightened 1 Measure the distance between the flange on the outer blade guide roller to the back edge of the blade This distance should measure 1 8 3 0 mm Adjust the roller back or for ward if necessary See Figure 7 12 Loosen the top and one side screw shown Tap the blade guide forward or backward until pro...

Page 139: ... the distance between the flange on the inner blade guide roller to the back edge of the blade This distance should measure 1 16 1 5 mm Adjust the roller back or for ward if necessary FIG 7 12REV A2 01 3H0802 6D 1 16 Inner Blade Guide 1 8 Outer Blade Guide Loosen top and one side adjustment screw ...

Page 140: ... mounting bolts Use a mallet to move the plate until the side support is parallel to the bed tube in the horizontal position Retighten the mounting bolts 2 Repeat the horizontal check for the remaining side supports Adjust as necessary 3 Place square alignment tubes Part No S12831 2 required across the bed rails Swing a side support up so that it is vertical 4 Pull back at the top of the support t...

Page 141: ...ort mounting bolt Use a 3 8 ratchet to rotate the pin until the side support is square to the bed 6 Repeat the vertical check for the remaining side supports and adjust as necessary FIG 7 14 SM0272 1 Place square against side support Loosen mounting bolt Alignment Tubes 2 Use 3 8 ratchet to adjust side support mounting pin ...

Page 142: ... tilt of the side support if neces sary See Figure 7 15 Loosen the top jam nut Adjust the two lower jam nuts up to tilt the side support back Adjust the two lower jam nuts down to tilt the side support forward Retighten the top jam nut and repeat for the other hydraulic side support FIG 7 15 600026 1 Place square against side support Alignment Tubes 2 Adjust jam nuts up to tilt side support back A...

Page 143: ...lade guide assembly 2 View the blade height scale with eyes level with the indicator The scale should indicate the actual distance from the blade to the bed rail Adjust the indicator if necessary See Figure 7 16 Loosen the indicator bracket mounting bolts Adjust the bracket up or down until the indicator is aligned with the correct mark on the scale 0 1 32 0 8 mm Retighten the bracket mounting bol...

Page 144: ... your sawmill is stationary with no trailer axle shim the feet so the weight of the sawmill is evenly supported If your sawmill has a trailer axle and adjustable outriggers adjust the front and third out riggers on the main frame tube down just enough to lift weight from the trailer tire Adjust the two outer outriggers down just so they touch the ground but do not bear weight See SECTION 3 for add...

Page 145: ...ther side screw and bottom screw in position will insure you will return the rollers to their origi nal tilt adjustment 4 Adjust the outer blade guide arm in or out until the outer blade guide is approximately 24 from the inner blade guide 5 Install a new blade and apply the appropriate tension See Section 3 4 6 Close the middle blade housing cover and make sure all persons are clear of the open s...

Page 146: ...lide pad makes contact with the mast Be sure to keep these shims in place when performing the following adjustment See Figure 7 17 1 Raise the saw head to the top of the vertical mast and secure the saw head with a chain at the top Check the top set of four pads The outer two pads should be touching the mast rails There should be a small gap just wide enough to slide a business card through betwee...

Page 147: ...etween one of the outer pads and the mast rail The gap should be just wide enough to slide a business card through The inner two pads should be touching the mast rails To adjust the spacing of the lower set of pads raise the saw head until you can access the lower slide pad adjustment bolts 6 Loosen the lower locking bolts and turn the adjusting bolt as necessary to provide the pad spacing describ...

Page 148: ...gnment of each blade wheel Attach the tool to the blade near the inner blade guide mount Be sure the tool does not rest on a tooth or burr and is lying flat against the bottom of the blade See Figure 7 18 2 Move the saw carriage so the front end of the tool is positioned over the first bed rail Measure from the bottom of the tool to the top surface of the bed rail 3 Move the saw carriage so the re...

Page 149: ...sary until the front and rear of the tool are the same distance from the bed rail within 1 16 1 5 mm 6 Remove the tool from the blade and reattach it near the outer blade guide assembly 7 Measure from the tool to the bed rail at both ends of the tool If the measurements at the front and rear ends of the tool differ by more than 1 16 1 5 mm adjust the vertical tilt of the idle side blade wheel See ...

Page 150: ...ottom jam nuts 8 Recheck the vertical tilt of the idle side blade wheel with the blade guide alignment tool Readjust the blade wheel as necessary until the front and rear of the tool are the same distance from the bed rail within 1 16 1 5 mm FIG 7 20 Adjust vertical adjustment screws up to tilt idle side blade wheel down Adjust screws down to tilt wheel up 3H0802 13 ...

Page 151: ...d be 3 16 4 5 mm out from the front edge of the wheel 1 16 1 5 mm Do not let the teeth ride on the wheels See Figure 7 22 Use the cant control adjustment to adjust the idle side blade wheel If the blade is too far forward on the wheel turn the cant control counterclockwise If it is too far back on the wheel turn the cant control clockwise FIG 7 21 FIG 7 22 SM0044D 3 16 4 5 mm 1 16 1 5 mm 1 1 2 Bla...

Page 152: ...lade wheel To move the blade back on the wheel loosen the right adjustment screw one quar ter turn Loosen the jam nut on the left adjustment screw and tighten the screw to 30 ft lbs torque Tighten the left and right jam nuts To move the blade out on the wheel loosen the left adjustment screw one quarter turn Loosen the jam nut on the right adjustment screw and tighten the screwto 30 ft lbs torque ...

Page 153: ...cal bolts to adjust the stop blocks See Figure 7 24 Tighten the vertical adjustment bolt to move the stop block toward the track rail Loosen the bolt to move the stop block away from the track rail 3 Check the inside lower rollers Both inside rollers should touch the rail so that you cannot spin them by hand If the rollers are not adjusted evenly and you can spin one adjust the horizontal adjustme...

Page 154: ...pen the adjustable blade guide arm to within 1 2 15 mm of full open 6 Move the carriage back to the front pivot end rail Raise the cutting head until the bottom of the blade is 17 400 mm above the outside of the pivot rail support by actual mea surement with a tape or ruler See Figure 7 25 7 Move the carriage forward to check the distance to the blade at the inside of the pivot rail support All me...

Page 155: ... saw head tilt and readjust the nuts as necessary 8 After the lower track rollers are adjusted properly adjust the upper and lower stop screws Tighten each screw until it just touches the rail Then back the screw off 1 2 turn The gap will be approximately 1 32 0 8mm CAUTION It is important that the lower stop bolts are prop erly adjusted to secure the carriage on the track rail Failure to properly...

Page 156: ...blade Make this measurement at each end of the pivot rail 5 The two measurements should be 15 375 mm 1 32 0 8 mm 0 See Figure 7 27 Loosen the locking set screws and turn the inner height adjustment nut to adjust the height of the inner end of the pivot rail Loosen the jam nut and turn the outer adjustment bolt to adjust the height of the outer end of the pivot rail 6 Move the saw head so the blade...

Page 157: ... the blade if necessary Retighten the clamping bolts and adjustment bolt jam nuts 8 Without adjusting the saw head height check the three remaining main bed rails and the rear pivot rail Adjust them so that all measure the same distance from the blade at both ends of the bed rail FIG 7 28 15 375 0 mm 15 375 0 mm Blade Bed Rail Clamping Bolt Clamping Bolt Adjustment Bolt Adjustment Bolt SM0064 ...

Page 158: ... remove the blade guide adjusting screws and apply a lubri cating oil such as 10W30 or Dexron III to each screw This will prevent the screws and threaded holes from corroding and make screw adjustments easier NOTE If blade guides equipped with optional high perfor mance blocks remove the blade from the sawmill before installing the blade guide assemblies Place both guide assemblies in the mounts t...

Page 159: ...back Install tension and track a new blade Adjust the outer blade guide assembly so the roller flange is 1 8 from the back of the blade Adjust the inner blade guide assembly so the roller flange is 1 16 from the blade Blade guides not equipped with High Performance blocks 1 Install the outer blade guide assembly with waterlube tube to the mounting block on the blade guide arm Position the assembly...

Page 160: ... the bolt by turning 1 2 turn in the opposite direction it was last adjusted With the roller flange positioned properly from the back of the blade adjust the stop bolt so it touches the blade guide bracket Sawmills prior to Rev A2 01 Loosen the top vertical adjustment jam nut and tighten the bottom vertical adjustment jam nut to adjust the blade guide roller up so it does not touch the blade FIG 7...

Page 161: ...Sawmill Alignment Complete Alignment Procedure Sawmill Alignment 50HD07doc072310 7 37 7 FIG 7 30 3H0802 16C Top Vertical Adjustment Jam Nut Bottom Vertical Adjustment Jam Nut ...

Page 162: ... the arm rollers See Figure 7 31 Remove the blade housing cover to access the blade guide arm roller mounting bolts The blade guide arm rollers are mounted on cam shaped bolts Turning the bolts will cause each roller to move up or down If the inner lower roller is loose adjust the inner top roller down If the outer lower roller is loose adjust the outer lower roller up Retighten the jam nuts and r...

Page 163: ...e Figure 7 32 4 Adjust the blade guide arm to 1 2 15 mm from fully open and remeasure the distance from the roller flange to the back of the blade The two measurements should be the same If not adjust the inner rollers in or out to tilt the arm horizontally FIG 7 32 REV A2 01 A5 02 OPTIONAL HIGH PERFORMANCE ROLLER BLOCKS SHOWN FIG 7 32REV A2 01 600244 8 Measure distance between roller flange and b...

Page 164: ...n the inner rollers and tighten the front nuts Recheck the blade guide arm horizon tal tilt 5 Now check the vertical tilt of the blade guide arm Move the saw carriage so the blade guide arm is positioned over a bed rail 6 With the arm 1 2 15 mm from fully closed raise or lower the saw head until the bottom of the blade guide block is 15 375 mm from the top of the bed rail FIG 7 33 Adjust inner rol...

Page 165: ... from fully open Measure the distance from the bottom of the blade guide mounting block to the bed rail This mea surement should be 15 376 5 mm If the measurements are not the same adjust the outer rollers up or down to tilt the blade guide arm vertically FIG 7 34 A B Measure from blade guide arm to bed rail with arm open and closed 3H0802 11 ...

Page 166: ...ade housing and turn the mounting bolts To tilt the blade guide arm down adjust the outer top and bottom rollers up To tilt the blade guide arm up adjust the outer top and bottom roll ers down Retighten the jam nuts and recheck the blade guide arm vertical tilt FIG 7 35 3H0802 8 Adjust outer rollers up to tilt arm down Adjust outer rollers down to tilt arm up Turn bolts to move rollers up or down ...

Page 167: ...2310 7 43 7 Blade Guide Deflection Perform the following steps to achieve proper blade deflection with the blade guides 1 Raise the saw head until the blade is 15 375 mm above a bed rail Measure the actual distance with a tape from the top of the rail to the bottom of the blade ...

Page 168: ... the blade guide roller deflects the blade down until the bottom of the blade measures 14 3 4 370 mm from the bed rail NOTE Before adjusting the top bolt unload pressure on the bolt by turning 1 2 turn in the opposite direction it was last adjusted FIG 7 36 600244 9 Turn top adjustment bolt counterclockwise to lower blade guide roller Adjust assembly down until roller deflects blade 1 4 5 mm ...

Page 169: ...ighten the top jam nut until the blade guide deflects the blade down until the bottom of the blade measures 14 3 4 370 mm from the bed rail CAUTION Be careful when tightening the vertical adjust ment screws The screws may shear 2 Repeat for the other blade guide FIG 7 36 3H0802 16C Top Vertical Adjustment Jam Nut Bottom Vertical Adjustment Jam Nut ...

Page 170: ...the tool close to the outer blade guide roller Be sure the tool does not rest on a tooth or burr and is lying flat on the blade See Figure 7 37 3 Move the carriage so that the front end of the tool is positioned above the bed rail Mea sure the distance from the bed rail to the bottom edge of the tool 4 Move the carriage so that the back end of the tool is positioned above the bed rail Mea sure the...

Page 171: ...er blade guide roller assembly and repeat the above steps Adjust the vertical tilt of the inner blade guide if necessary 8 After adjusting the vertical tilt of the blade guides recheck the blade deflection and adjust if necessary FIG 7 38 REV A2 01 A5 02 OPTIONAL HIGH PERFORMANCE ROLLER BLOCKS SHOWN FIG 7 38REV A2 01 600244 5 Top Vertical Tilt Adjustment Screw Bottom Vertical Tilt Adjustment Screw...

Page 172: ...er is spinning down causing it to push the blade away from the guide roller 1 Remove the blade guide alignment tool from the blade and adjust the blade guide arm halfway in 2 Remove the clip from the blade guide alignment tool Place the tool against the face of the outer blade guide roller See Figure 7 39 FIG 7 39 REV A2 01 A5 02 OPTIONAL HIGH PERFORMANCE ROLLER BLOCKS SHOWN A B 600244 6 Horizonta...

Page 173: ...n the back edge of the blade and the tool at the end closest to the inner blade guide B 4 Measure between the back edge of the blade and the other end of the tool A The roller should be tilted slightly to the left A 1 8 3 mm less than B 1 8 3 mm FIG 7 39REV A2 01 A B 3H0802 19B Blade Guide Alignment Tool ...

Page 174: ... steps for the inner blade guide roller assembly NOTE Once the blade guides have been adjusted any cutting variances are most likely caused by the blade See Blade Handbook Form 600 6 Check the blade guide blocks and drive side deflector plate are properly adjusted See Section 5 2 FIG 7 40 REV A2 01 A5 02 OPTIONAL HIGH PERFORMANCE ROLLER BLOCKS SHOWN FIG 7 40REV A2 01 600244 11 Adjust screws right ...

Page 175: ...htened 1 Measure the distance between the flange on the outer blade guide roller to the back edge of the blade This distance should measure 1 8 3 0 mm Adjust the roller back or for ward if necessary See Figure 7 41 Loosen the top and one side screw shown Tap the blade guide forward or backward until properly positioned Retighten the screws and jam nuts 2 Measure the distance between the flange on ...

Page 176: ... blade 1 Loosen the alignment bar mounting bolt Use the provided bottom block adjustment tool to adjust the alignment bar up so the bar is close to but not touching the bottom of the blade Retighten the alignment bar mounting bolt 2 Check that the gap from the alignment bar to the blade is the same along entire length of the bar Shine a flashlight behind the blade guide assembly to help you see th...

Page 177: ...e bottom block adjustment tool to raise the bottom block to 008 010 from the blade Use the provided shim to set the distance from the block to the blade Tighten the bottom block mounting bolt and clamp bolt 3 Turn the top block adjustment bolt clockwise to lower the top block to 008 010 from the blade using the shim as a guide Tighten the top block mounting bolt and clamp bolt 4 After tightening t...

Page 178: ...e mounting bolts Use a mallet to move the plate until the side support is parallel to the bed tube in the horizontal position Retighten the mounting bolts 2 Repeat the horizontal check for the remaining side supports Adjust as necessary 3 Place square alignment tubes Part No S12831 2 required across the bed rails Swing a side support up so that it is vertical 4 Pull back at the top of the support ...

Page 179: ...port mounting bolt Use a 3 8 ratchet to rotate the pin until the side support is square to the bed 6 Repeat the vertical check for the remaining side supports and adjust as necessary FIG 7 44 SM0272 1 Place square against side support Loosen mounting bolt Alignment Tubes 2 Use 3 8 ratchet to adjust side support mounting pin ...

Page 180: ...l tilt of the side support if neces sary See Figure 7 45 Loosen the top jam nut Adjust the two lower jam nuts up to tilt the side support back Adjust the two lower jam nuts down to tilt the side support forward Retighten the top jam nut and repeat for the other hydraulic side support FIG 7 45 600026 1 Place square against side support Alignment Tubes 2 Adjust jam nuts up to tilt side support back ...

Page 181: ... stop block at the first bed rail Stretch the string toward the rear of the frame and tie to the stop block at the last bed rail See Figure 7 46 Loosen the clamp stop bolts and adjust the clamp stop until it touches the string Loosen the jam nut and adjust the bolt on the middle rear bed rail until it touches the string FIG 7 46 String across side supports Adjust clamp stop to string Adjust stop b...

Page 182: ...sted 1 16 1 5 mm higher at the out side 1 Move the saw carriage so the blade is positioned over a bed rail Adjust the blade guide arm to 1 2 15 mm from full open The saw head should still be adjusted so the blade is 14 3 4 375 mm above the bed rails See Figure 7 47 2 Measure from the blade to the bed rail near the outer blade guide assembly This mea surement should be 1 16 1 5 mm higher than the i...

Page 183: ...side of the saw head loosen the four inner adjustment nuts 1 4 turn and tighten the four outer nuts Recheck the measurement from the blade to the bed rails and adjust the horizontal adjustment nuts until the outside of the saw head is 1 16 higher than the inside FIG 7 48 3H0125 2 Adjust nuts in to raise saw head Adjust nuts out to lower saw head DETAIL OF LOWER TRACK ROLLER ASSEMBLY ...

Page 184: ...blade guide assembly 2 View the blade height scale with eyes level with the indicator The scale should indicate the actual distance from the blade to the bed rail Adjust the indicator if necessary See Figure 7 49 Loosen the indicator bracket mounting bolts Adjust the bracket up or down until the indicator is aligned with the correct mark on the scale 0 1 32 0 8 mm Retighten the bracket mounting bo...

Page 185: ...m of the blade 1 With a square cant on the bed rails lower the blade until it touches the top of the cant Then raise the saw head 1 4 as shown on the scale 2 Lower the board return arm The board return bracket should barely touch the top of the cant 3 Loosen the three bracket mounting bolts to adjust the bracket up or down as necessary See Figure 7 50 FIG 7 50 Bracket Mounting Bolts 3 3H0432 ...

Page 186: ...TION 8 HYDRAULIC INFORMATION 8 1 Hydraulic Schematic FIG 8 1 HYDRAULIC SCHEMATIC C1 C2 C3 C4 C5 C6 C7 C8 F1 G1 P1 P2 V1 V2 V3 V4 V5 M1 M2 M3 H1 H2 H4 H3 H6 H5 H7 H8 H9 H10 H11 H12 H13 H14 H16 H15 H17 H19 H20 H18 H21 H21 H22 600022F RELIEF VALVE SETTING 2250 PSI RELIEF VALVE SETTING 2200 PSI ...

Page 187: ...am FIG 8 2 HYDRAULIC LAYOUT DIAGRAM C1 C2 C3 H17 H9 H19 H11 H2 H13 H15 H8 H7 H6 H5 H12 H4 H3 H18 C4 C5 C6 C7 C8 M1 P1 G1 F1 M2 P2 V2 V3 V4 V5 H1 600236B H10 M3 H20 H14 H16 H21 H21 H22 V1 Shown with handles down Clamp In Out Clamp Up Down Turner Side Supports Front Toe Board Rear Toe Board Log Loader Crossflow Hose 1 2 ...

Page 188: ...draulic 042754 Hyd Cylinder 3 Bore X 8 Stroke F1 S28 Hyd Filter Supply P20301 Filter Hydraulic Fluid Cartridge G1 CF 1P 210A Pressure Devices Inc P10052 Gauge 5000 PSI Hydraulic P1 P2 M300 0230 Monarch Hyd P12701 Hydraulic Pump With Motor V1 HDS10 7 7 Betro Inc 034451 Valve 7 Section Hydraulic V2 V3 49005 700 Vonberg 015484 Sequence Valve 700 psi V4 V5 28001 503 6 5 Vonberg 038734 Valve Hydraulic ...

Page 189: ...8 Log Turner Base 048292 H10 Plain 73 3 8 Log Turner Top 048293 H11 Orange 177 3 8 Clamp In Out Base 048295 H12 White 151 3 8 Clamp In Out Top 048297 H13 Green 38 3 8 Loading Arm Branch Top 006875 1 1 Replaces 048292 supplied prior to 11 08 048292 was modified to 65 for new log turner H14 Green 77 3 8 Loading Arm Branch Top 048298 H15 Yellow 81 3 8 Loading Arm Branch Base 048299 H16 Yellow 43 3 8 ...

Page 190: ...t Base 048295 H12 White 151 3 8 Clamp In Out Top 048297 H13 Green 38 3 8 Loading Arm Branch Top 006875 2 2 Replaces 048292 supplied prior to 11 08 048292 was modified to 65 for new log turner H14 Green 77 3 8 Loading Arm Branch Top 048298 H15 Yellow 81 3 8 Loading Arm Branch Base 048299 H16 Yellow 43 3 8 Loading Arm Branch Base 048300 H17 Plain 181 3 8 Side Support Base 048294 H18 Pink 181 3 8 Sid...

Page 191: ...ng logs 4 4 clutch brake lever operation 4 7 H hydraulic component list 8 3 control operation 4 1 fluid level 5 20 hose list 8 4 8 5 layout diagram 8 2 schematic 8 1 troubleshooting problems 6 10 L leveling logs 4 4 loading logs 4 3 M maintenance blade guide 5 2 blade tensioner 5 13 blade wheel belts 5 14 5 15 carriage track wipers 5 6 5 7 drive bearing 5 22 drive belt 5 17 drum switches 5 10 hydr...

Page 192: ... 4 15 inch height 4 15 quarter inch 4 16 service information branch locations 1 3 customer sawmill ID 1 6 general contact info 1 2 setup portable sawmill 3 3 stationary sawmill 3 1 switch power feed up down maintenance 5 10 T tensioner maintenance 5 13 troubleshooting 6 1 electrical problems 6 3 hydraulic problems 6 10 power feed problems 6 5 sawing problems 6 1 turning logs 4 4 U up down operatio...

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Wood-mizer LT50HD, Safety, Setup, Operation & Maintenance Manual

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