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Wood-mizer LT40 AH Series, Safety, Setup, Operation & Maintenance Manual

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Wood-mizer LT40 AH Series Safety, Setup, Operation & Maintenance Manual Download Page 104

Troubleshooting Guide

Electrical Problems

4

4-4

HDSdoc030722

Troubleshooting Guide

Up/Down Or Power Feed 
Switches Remain Engaged 
When Switch Is Released.

Worn or dirty contacts in drum 
switch.

Manually move the power feed 
or up/down switch back to 
neutral or "off" position. 
Replace drum switch or 
remove control panel cover 
and clean and lubricate 
contacts NOTE: Use only 
contact grease supplied by 
Wood-Mizer. 

Drum switch spring broken.

Manually move the power feed 
or up/down switch back to 
neutral or "off" position. 
Replace drum switch spring.

Up/Down Or Power Feed 
Motors Overheat And Loose 
Power.

System overload or bind 
occurred. 

Correct problem. 

See Section 

4.3 Power Feed Problems.

 

Allow motor to cool before 
restarting. 

Normal operation factors 
exceeded (eg: up/down 
control jockeyed excessively).

Allow motor to cool before 
restarting.

Everything Works And Then 
Cuts Out - Works Again.

Bad fuse, or ground 
connection.

Check and tighten 
connections.

Nothing Works Electrically.

Blown fuse.

Replace.

Intermittent Or Permanent 
Loss Of Accessory Motor 
Functions Occurs 
(Up/down, Fwd/rev, Blade 
Guide Functions Do Not 
Work).

Bad connections at accessory 
solenoid or bad solenoid.

Check all connections at 
accessory solenoid. If 
connections are good, replace 
solenoid. 

Summary of Contents for LT40 AH Series

Page 1: ...Table of Contents Section Page Table of Contents SW 07doc0328171...

Page 2: ......

Page 3: ...anual LT40 Series AH rev E1 01 LT40 Series AH WIDE rev E1 01 Safety is our 1 concern Read and understand all safety information and instructions before operating setting up or maintaining this machine...

Page 4: ...equipment given at the time of purchase IMPORTANT Read the entire Operator s Manual before operating the sawmill Take notice of all safety warnings throughout this manual and those posted on the mach...

Page 5: ...o V I N Revision LT40 Basic Sawmill I D E25 Configuration Engine Motor Company Identification Number 456 Wood Mizer Indiana Weight Class A Under 1300 kg B 1301 1800 kg C 1801 2200 kg D 2201 3000kg X S...

Page 6: ...6 HDSdoc030722...

Page 7: ...p 2 1 2 2 Stationary Sawmill Setup 2 5 2 3 Sawmills with cable guide 2 9 2 4 Portable Sawmill Setup 2 15 2 5 Control Overview 2 17 2 6 Middle Track Cover 2 19 2 7 Replacing The Blade 2 20 2 8 Tensioni...

Page 8: ...4 4 Hydraulic Problems 4 7 4 5 Motor and Drive Pulleys Alignment 4 11 4 6 Power Feed Variable Speed Switch Test 4 11 4 7 Power Feed Preliminary Test 4 11 4 8 Power Feed Mechanical Test 4 11 SECTION 5...

Page 9: ...07doc0307223 5 16 Clamp Stop Stop Bolt Adjustment 5 28 5 17 Vertical Adjustment of Side Supports Super Hydraulic Sawmill Only 5 29 5 18 Saw Head Tilt 5 30 5 19 Blade Height Scale Adjustment 5 31 SECTI...

Page 10: ...ease have your machine identification number and your customer number ready when you call The Service Representative can help you with questions about the operation and maintenance of your machine He...

Page 11: ...beiten GmbH Eichistra e 4 6353 Weggis Tel 41 413 900 312 GSM 41 799 643 594 info woodmizer ch www woodmizer ch RUSSIA Dariusz Miko ajewski OOO WOOD MIZER INDUSTRIES 141031 Moscow Reg Mytishenski raj p...

Page 12: ...iler Sitesi 191 sk No 41 ADANA Tel 90 322 346 15 86 Fax 90 322 345 17 07 GSM 90 533 363 18 44 e mail info erkaahsap com tr FINLAND Howard Blackbourn Oy Falkberg Jordbruk Ab Falkintie 220 25610 Ylonkyl...

Page 13: ...eukers Houtzagerij en Bosbouwmachines Hazenweg 5 7481 PC Haaksbergen Tel 31 535741326 Mobile 31 620419412 info woodmizer nl www woodmizer nl Subagent ROMANIA M Echert S C Echert Comprod s r l Str Schi...

Page 14: ...g stripes Read and observe all safety instructions before operating this equipment Also read any additional manufacturer s manuals and observe any applicable safety instructions including dangers warn...

Page 15: ...cutting head from the rest position may result in serious injury WARNING Securely fasten the feet of a stationary sawmill to the floor before operating the sawmill Failure to do so may result in seri...

Page 16: ...n operating sawmill or loading and turning logs Failure to do so will result in serious injury DANGER Maintain a clean and clear path for all necessary movement around the mill and lumber stacking are...

Page 17: ...forward so the log does not hit it Failure to do so may result in machine damage CAUTION Avoid leaving hydraulic levers engaged while machine is being operated Doing so may cause battery drainage CAUT...

Page 18: ...e DANGER Always disconnect the power when the sawmill has been not in use for a long period DANGER Any maintenance or repair must be done with the power off the plug must be taken out of the outlet DA...

Page 19: ...e removing the up down motor belt The cutting head may fall causing severe injury or death WARNING Drum switch grease contains Petroleum Hydrocarbon Lubricant Eye and skin irritant If introduced into...

Page 20: ...e stop bolts can cause saw head damage especially during mill transportation CAUTION Pressure should not exceed 2000 psi If it does the amp draw will rise above the design maximum of 200 amps and coul...

Page 21: ...he bolt clockwise will increase the blade tension and turning the bolt counterclockwise will decrease the tension 099223 Blade tension See manual 099221 CAUTION Keep all persons a safe distance away f...

Page 22: ...nformation 096316 CAUTION Do not open or close the electric box when the switch is not in the 0 position 096319 CAUTION Disconnect power supply before opening the box 099222 CAUTION Sawdust outlet Pro...

Page 23: ...r once a week 512157 Lubricate chain every 50 hours of opera tion or once a week S12004G CAUTION Always wear safety goggles when operating the sawmill S12005G CAUTION Always wear protective ear muffs...

Page 24: ...e that safety chains are secured 1 Check all lights and signals for correct operation 2 Check over running brake and adjust if necessary 3 Always check trailer tires for proper inflation before towing...

Page 25: ...Belt AX13X1000 086532 Up Down Drive Belt AX23 015257 Board Return Belt 3L190 015477 Motor Drive Belt EA20 EA25 50Hz 3BX73 091548 TABLE 1 2 Softwood 1 1 LT40 Sawmill is equipped with a blade with a len...

Page 26: ...Extension 2 36 91 5 cm 22 8 6 9 m LT40 M AH with Optional 6 Bed Extension 2 36 91 5 cm 27 8 2 m LT40 S AH with Optional 12 Bed Extension 2 2 Logs over 4400 lbs must be distributed so that neither the...

Page 27: ...HM T Motor Tamel Tamel SA Poland 15kW 20KM 28 1 A 2930 RPM 117 Kg 3Sg 160L 2 HM T Motor Tamel Tamel SA Poland 18 5kW 25KM 33 8 A 2930 RPM 135 Kg TABLE 1 7 Model Manufacturer Voltage Rated Output Powe...

Page 28: ...elation between emission levels and exposure levels it is not possible to determine with certainty if preventives are needed or are not needed The factors affecting a current level of noise exposure d...

Page 29: ...bracket Width 2 2 Width from fender to fender With Operating Position with Loading Arms Height 3 3 Height from ground to mast Placing head in maximum position will add to total height Weight 4 4 Weig...

Page 30: ...eral Information Overall Dimensions 1 1 17 HDSdoc030722 Safety General Information See Figure 1 2 The LT40 S dimensions are shown below See Figure 1 3 The LT40 M Wide dimensions are shown below FIG 1...

Page 31: ...1 12 The load capacity of the chains is listed below 1 13 Hydraulic System See Table 1 13 The specifications of the hydraulic system are shown below Load Capacity According to ISO Nr 08A 1 Power Feed...

Page 32: ...highest root mean square value of weighted acceleration to which the whole operator s body is subjected does not exceed 0 5 m s2 Airflow 1200 m3 h 3937ft3 h Inlet diameter 100 mm 5 9 Motor power 1 5...

Page 33: ...onents Safety General Information HDSdoc030722 1 20 1 1 15 Components See Figure 1 4 The major components of the Wood Mizer LT40 Series AH are shown below FIG 1 4 Cutting Head Control Box Blade Drive...

Page 34: ...ion A concrete foundation or pads rated to support 31 T m2 at each sawmill foot position and 16mm anchored bolts are recommended Under roof the sawmill should always be operated with the sawdust colle...

Page 35: ...lectrician install the power supply according to EN 60204 Standard The power supply must meet the specifications given in the table below See Table 2 1 3 Phase Volts Fuse Disconnect Suggested Wire Siz...

Page 36: ...y button located on the control box to stop the blade and the track feed motor Turn the emergency stop clockwise to release the stop The sawmill not restart until the emergency stop is not released WA...

Page 37: ...Setup Operation Sawmill Setup Setup Operation HDSdoc030722 2 4 2 sm0378...

Page 38: ...pport 31 T m2 at each sawmill foot position NOTE Make sure the unit is level before securing It IS possible to twist the mill frame by jacking one foot higher than the others Level the sawmill by adju...

Page 39: ...Setup Operation Stationary Sawmill Setup Setup Operation HDSdoc030722 2 6 2 See Figure 2 2 FIG 2 2 STATIONARY SAWMILL...

Page 40: ...FIG 2 3 FIG 2 4 20_108D 820 3830 2040 825 2790 775 LT20 S Stationary Metric Dimensions LT20 M Stationary Metric Dimensions All dimensions in millimetres 853 300 1453 2082 4 1742 6 882 1592 8 1500 9 88...

Page 41: ...the carriage safety chain located at the bottom of the vertical mast 2 Turn the key switch on the control panel to the accessory 1 position to enable accessories Use the up down switch on the control...

Page 42: ...levers will only work when the cutting head is close enough to the front end of the mill to touch the power strip 4 Raise the two side supports that will prevent a log from falling off the side of the...

Page 43: ...Setup Operation Sawmills with cable guide Setup Operation HDSdoc030722 2 10 2 FIG 2 8 LT40MRC K 7 B5 1 B0 18...

Page 44: ...uide 2 2 11 HDSdoc030722 Setup Operation See Figure 2 9 The electrical wires should be installed on the guiding rail as shown below See Figure 2 10 Install the rail bracket arm as shown below FIG 2 9...

Page 45: ...Setup Operation Sawmills with cable guide Setup Operation HDSdoc030722 2 12 2 See Figure 2 11 Install the guiding rail FIG 2 11 9LHZ 9LHZ K 7 5 1 B0 18...

Page 46: ...Setup Operation Sawmills with cable guide 2 2 13 HDSdoc030722 Setup Operation See Figure 2 12 FIG 2 12 9LHZ 9LHZ K 7 5 1 B0 18...

Page 47: ...with cable guide Setup Operation HDSdoc030722 2 14 2 See Figure 2 13 The figure below shows how the cable hanger should be set Unbolt the four bolts rotate the hanger 90 degrees to the right and tight...

Page 48: ...ng vehicle Failure to do so may result 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...

Page 49: ...wn before moving cutting head from the rest position may result in serious injury 5 Remove the fenders by lifting them out of the slots CAUTION To prevent fender damage remove fenders before operating...

Page 50: ...iew Control Panel See Figure 2 16 1 Blade Drive To start the blade motor turn the key switch to the position Then press the START button To stop the blade motor press the STOP button 2 Up Down Switch...

Page 51: ...position all electrical circuits are off position all electrical circuits are on position releases the motors disk brake 6 Lasers optional Lasers show the cutting positions 7 Emergency Stop Push the e...

Page 52: ...3 Soak the felt wiper with Dexron III transmission fluid 10W30 motor oil or 3 in 1 turbine oil 4 Install the middle track cover so it fits against the rail and secure with two thumb screws See Figure...

Page 53: ...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 co...

Page 54: ...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...

Page 55: ...f the wheel 5 Use the cant adjustment bolt shown in Figure 2 18 to adjust where the blade travels on the blade wheels To move the blade out on the blade wheel turn the cant adjustment bolt clockwise T...

Page 56: ...or death WARNING Always wear eye ear respiration and foot protection when operating the sawmill Failure to do so may result in serious injury WARNING Be sure the power feed switch is in the neutral po...

Page 57: ...tion and lock out power supply before opening the box door The time delay relay in the electrical starter box attached to the hydraulic box should be set between 4 and 5 seconds After installation tes...

Page 58: ...is designed and intended to assist in the removal of boards only Standing on the table may result in serious injury Sawmills can be equipped with a board return system This system consists of an arm o...

Page 59: ...ll result in serious injury Boards may not always return in the same path or location If a board returns in a manner that does not allow the sawyer or off bearer to maintain control it may be necessar...

Page 60: ...mps as well as the starter box must be powered with a connector equipped with a secure circuit current change switch The hydraulic power supply turns on automatically by raising or lowering of the con...

Page 61: ...equipped with AH5 hydraulic system individual Pull Down clamps are controlled with sepa rate levers In sawmills with AH7 hydraulic system in out movement of individual clamps is con trolled with the...

Page 62: ...gs when operating sawmill or loading and turning logs Failure to do so will result in serious injury FIG 2 23 FIG 2 24 094795 FRONT AH3 Front Clamp Up Down Rear Clamp Up Down Front Clamp In Out Rear C...

Page 63: ...e turner 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 7...

Page 64: ...acket This will stop the log from rolling back off the side of the mill when you remove the winch cable 1 Move a log up to the loading arm Use cant hooks or loading equipment to move the logs to the f...

Page 65: ...lower the turner arm below the log 5 Raise the turner arm to get a new bite on the log 6 Disengage the clamp 7 The log can be turned now Repeat steps 4 through 7 until the log is turned as desired To...

Page 66: ...w the level of your first few cuts To Level A Tapered Log Use the toe board lever s to raise either end of a tapered log if desired Raise the appropriate lever to raise the front or rear toe board unt...

Page 67: ...tral 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 CAUTION Always make sure the up down switch move...

Page 68: ...rm in Push the switch to the right to move the arm out See Figure 2 26 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...

Page 69: ...sing and pulley covers are in place and secure Use the safety retainer pin and cable to fasten blade housing covers Be sure the blade housing and pulley covers are in place and secure before starting...

Page 70: ...arriage 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...

Page 71: ...the top of the log CAUTION Be sure to stop the blade when returning the carriage This will not only prevent the blade from being pulled off and ruined by a wood sliver but also will increase the life...

Page 72: ...while keeping an accurate cut Cutting too slowly will waste blade life and lower production 7 As you get to the end of the log slow down the feed rate When the teeth exit the end of the log turn the...

Page 73: ...edged boards over to edge the other side 6 Repeat steps 2 4 7 Loosen the clamp and remove the boards that have good clean edges on both sides Clamp the remaining flitches and repeat steps 2 5 2 20 Opt...

Page 74: ...e parallax error different scale readings depending on the angle of vision The Inch Scale The horizontal red line on the blade height indicator shows how many inches the bottom of the blade is above t...

Page 75: ...required To use the quarter scale look at the blade height indicator Line up the horizontal red line on the indicator with the nearest mark on the scale you want to use Make a trim cut When you return...

Page 76: ...e when cutting wood with a high sap content WARNING Use ONLY water with the water lube accessory Never use flammable fuels or liquids If these types of liquids are necessary to clean the blade remove...

Page 77: ...ner to provide maximum ground clearance before towing Failure to do so may result in damage to the sawmill 3 Use the hydraulic controls to raise the log turner and loader as high as they will go Manua...

Page 78: ...ter it is lowered 3 4 19 mm past where it contacts the rest pin See Figure 2 32 10 Push the START button to start the motor This keeps the drive belt tight and the motor from bouncing while traveling...

Page 79: ...vers 12 Remove all loose objects from the bed of the mill Store the outrigger jack handle in the bracket provided on the rear loading side outrigger guide Reel in the winch cable Remove the winch hand...

Page 80: ...entifies the interval hours of operation at which each maintenance procedure should be performed Be sure to refer to option and engine manuals for other maintenance procedures 3 1 Wear Life See Table...

Page 81: ...access to the appropriate equipment you can grind or mill the blocks to a new flat surface and reuse them It is recommended you develop a routine schedule for replacing the blade guide blocks based o...

Page 82: ...move the excess sawdust from the blade wheel housings and sawdust chute every blade change 2 Remove all sawdust and debris from around the velocity fuse valves every 8 hours of operation The valves ar...

Page 83: ...l If a track scraper needs to be adjusted loosen the thumb screw push the scraper downward until it fits firmly against the rail and retighten the thumb screw Clean and lubricate the upper track wiper...

Page 84: ...p and water If ingested do not induce vomiting contact a physician KEEP OUT OF THE REACH OF CHILDREN 3 7 Miscellaneous 1 Apply a thin film of a NLGI No 2 grade lithium grease to the blade guide arm ev...

Page 85: ...h the idle side shaft housing all the way in to collapse the rear tensioner piston and fully extend the front piston The front piston should reach the threaded area of the piston guide NOTE If the hyd...

Page 86: ...ary Use only B57 belts manufactured by Goodyear or Browning 2 Periodically check all belts for wear Replace any damaged or worn belts as needed 3 10 Drive Belt Adjustment WARNING Do not for any reason...

Page 87: ...very year to prevent fluid wear See Figure 3 6 If you are operating in temperatures 20 to 100 F 29 to 38 C use an all weather hydraulic fluid such as Exxon Univis J26 For alternate fluids and or other...

Page 88: ...0 hours of operation Remove the top and bottom oil plugs Pour an Automatic Transmission Fluid ATF such as Dexron III ATF into the top hole until it begins to flow from the bottom hole Reinstall the sq...

Page 89: ...eath 3 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 carriage with a chain at the top or shim it underneath Find...

Page 90: ...Maintenance Up Down System 3 3 11 HDSdoc030722 Maintenance See Figure 3 9 FIG 3 9 Up Down Chain Adjustment Nuts...

Page 91: ...ent bolt clockwise to tighten the belt Retighten the motor bolts and replace the feed motor cover 2 Adjust the power feed chain as needed Measure the power feed chain tension with the saw head all the...

Page 92: ...Maintenance Power Feed 3 3 13 HDSdoc030722 Maintenance See Figure 3 11 FIG 3 11 Feed Chain Adjustment Nuts 3H0018B Feed Chain Adjustment Nuts...

Page 93: ...ircuit inspection Inspection of the control circuits with the E STOP button pressed Blade cover safety switches and its circuit inspection Motor brake and its circuit inspection 1 E STOP button and it...

Page 94: ...wer feed switch Both systems should not start With the E STOP button pressed try to start the debarker blade motor and move the debarker arm in and out The debarker should not work With the E STOP but...

Page 95: ...e stopped Try to start the motor The blade motor should remain stopped Close the blade housing cover The blade motor should remain stopped until it is restarted with the START button 4 Motor brake and...

Page 96: ...e Roller Performance See Section 3 2 Remove Excess Sawdust From Blade Wheel Housings And Sawdust Chute See Section 3 3 Check Blade Screw See Section 3 2 EVERY 8 HOURS Clean And Lubricate Track See Sec...

Page 97: ...chains See Section 3 7 See Section 3 16 See Section 3 17 Check belt tensions See Section 3 11 See Section 3 16 See Section 3 17 Check brake strap tension See Section 3 10 Rotate drive idle blade wheel...

Page 98: ...chains See Section 3 7 See Section 3 16 See Section 3 17 Check belt tensions See Section 3 11 See Section 3 16 See Section 3 17 Check brake strap tension See Section 3 10 Rotate drive idle blade whee...

Page 99: ...s Oil chains See Section 3 7 See Section 3 16 See Section 3 17 Check belt tensions See Section 3 11 See Section 3 16 See Section 3 17 Check brake strap tension See Section 3 10 Rotate drive idle blade...

Page 100: ...s Oil chains See Section 3 7 See Section 3 16 See Section 3 17 Check belt tensions See Section 3 11 See Section 3 16 See Section 3 17 Check brake strap tension See Section 3 10 Rotate drive idle blade...

Page 101: ...tely See Sharpener Manual Blades Break Prematurely 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 P...

Page 102: ...ed Adjust up down chain Vertical wear pads are too tight Adjust pads Drive belt s loose Adjust belts Lumber Is Not Square Vertical side supports not square to bed Adjust side supports Blade not parall...

Page 103: ...ace the relay Up down motor is damaged Have a qualified electrician replace the up down motor One phase lacks Check circuit breakers in the connectors Motor thermal protector started to work Let the m...

Page 104: ...drum switch spring Up Down Or Power Feed Motors Overheat And Loose Power System overload or bind occurred Correct problem See Section 4 3 Power Feed Problems Allow motor to cool before restarting Nor...

Page 105: ...ood Mizer Drum switch contacts are bad Check that contacts are in good condition and positively close circuit Speed switch is worn Replace the speed switch Speed switch is blocked Turn off the power f...

Page 106: ...restarting Chain is dragging Make sure chain is centered on cam follower bearing Clean and lubricate chain Adjust chain tension Allow motor to cool before restarting Chain is improperly tensioned Adju...

Page 107: ...onnect the plug on the left side of the electric box and change the phases using a screwdriver Check whether the emergency switch is off One phase lacks power Check fuses in the electric connector Pum...

Page 108: ...tacts are not properly adjusted Locate the valve switch at the bottom of the valve assembly Use a 3MM allen wrench to loosen the set screw on each of the five switch contacts Press each contact to the...

Page 109: ...ve 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 Mobil SHC 526 Fluid Leaks From Aroun...

Page 110: ...weather conditions Mobil SHC 526 Hydraulic Turner Goes Up Before Or At Same Time As Side Supports Spring weakening in sequence valve Locate sequence valve at top of turner cylinder Turn heavy spring...

Page 111: ...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 4 7 Power Feed Preliminary Tes...

Page 112: ...22 Troubleshooting Guide 7 Make sure there is no sap or rust on the rails 8 Make sure the block on the lower track roller assembly is not rubbing the lower rail Also make sure the track rollers are no...

Page 113: ...e lower track rollers if necessary See Section 5 18 3 Check and adjust the vertical alignment of the blade guide arm See Section 5 7 4 Check and adjust the horizontal alignment of the blade guide arm...

Page 114: ...should also be setup on firm level ground LT40S AH Adjust the two middle outriggers on the main frame tube down just enough to lift weight from the trailer tire LT40M AH Adjust the two end outriggers...

Page 115: ...ck the position of the blade on the blade wheels Check the vertical alignment of the idle side blade wheel The gullet of the blade should ride the same distance from the front edge of the wheel at the...

Page 116: ...l will usually not have to be adjusted If necessary the drive side wheel can be adjusted as follows See Figure 5 3 For horizontal adjustment use the horizontal adjustment nuts If the blade is running...

Page 117: ...and should not need to be adjusted If adjustment is needed use the vertical adjustment bolt To tilt the wheel upward loosen the jam nut and turn the vertical adjustment bolt clockwise To tilt the whee...

Page 118: ...h slide pad makes contact with the mast Be sure to keep these shims in place when performing the following adjustment See Figure 5 4 1 Raise the saw head to the top of the vertical mast and secure the...

Page 119: ...ack Rollers See Figure 5 5 Making these adjustments correctly will give you square cuts and accurate dimensions across the width of your boards 1 Using the feed controls move the saw carriage so that...

Page 120: ...tting head until the bottom of the blade is 17 400 mm above the outside of the pivot rail support by actual measurement with a tape or ruler See Figure 5 6 FIG 5 5 FIG 5 6 Inside Lower Rollers 2 Botto...

Page 121: ...NOTE Adjustments of the lower track rollers change the angle between the cutting head and sawmill bed rails Only small adjustments of the lower track rollers should ever be needed 10 After the lower...

Page 122: ...s needed loosen the four mounting bolts at the outer end of the clamp tube and adjust the clamp tube up or down as necessary Tighten the mounting bolts See Figure 5 7 5 Move the saw head back to power...

Page 123: ...5 9 Optional bed rail angled 11 Loosen the jam nut and turn the outer adjustment bolt to adjust the height of the outer end of the pivot rail 12 Move the saw head so the blade is positioned over the c...

Page 124: ...Loosen the bed rail clamping bolts and turn the adjustment bolts to move the bed rails to the blade if necessary 15 Retighten the clamping bolts and adjustment bolts 16 Without adjusting the saw head...

Page 125: ...dths of materials to be processed Blade guide alignment includes four steps Blade Deflection Blade Guide Vertical Tilt Blade Guide Flange Spacing Blade Guide Horizontal Tilt Perform the blade guide al...

Page 126: ...djustment bolts in to tighten the blade guide arm rollers Retighten the jam nuts After tightening the blade guide arm rollers check that the arm is aligned properly 3 With the arm adjusted 1 2 15 mm f...

Page 127: ...e 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 5 13 3H0802 10b Zmierzy odleg o pomi dzy ko...

Page 128: ...the left bolt and tighten the right bolt Retighten the jam nuts and recheck the blade guide arm horizontal tilt 5 Now check the vertical tilt of the blade guide arm Move the saw head so the blade guid...

Page 129: ...istance from the bottom of the blade guide mounting block to the bed rail This measurement should be 15 375 mm dimen sion B or slightly higher because the saw head is tilted up 1 26 1 mm on the outsid...

Page 130: ...ustment bolt jam nuts To tilt the blade guide arm down loosen the right bolt and tighten the left bolt To tilt the blade guide arm up loosen the left bolt and tighten the right bolt Retighten the jam...

Page 131: ...des Make sure the two set screws shown are threaded into the blade guide shaft until they touch each other See Figure 5 17 3 Loosen the bottom jam nut and tighten the top jam nut until the blade guide...

Page 132: ...ng flat on the blade See Figure 5 18 3 Measure the distance from the bed rail to the bottom of the tool NOTE If the sawmill is equipped with stainless steel bed rail covers be sure to measure from the...

Page 133: ...m the bed rail to the tool equals the other two measurements taken 10 Move the tool close to the other blade guide and repeat the previous steps NOTE If major adjustments to blade guide tilt were made...

Page 134: ...e so the blade guide flange is approximately 3 0 mm from the back of the blade 2 Loosen one side and one top set screw shown Tap the blade guide forward or backward until properly positioned See Figur...

Page 135: ...een the back edge of the blade and the ruler 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 ruler A 5 The roller should be tilted s...

Page 136: ...22 Loosen both nuts and retaining bolts Use the adjustment bolt to raise or lower the disc until its distance from the blade is 0 3 0 5 mm Then retighten the retaining bolts so that the disc is parall...

Page 137: ...ts must be square to the bed to ensure square lumber 1 Swing the side support down 2 Measure between the face of the support and the main bed tube Make measurements at both ends of the side support to...

Page 138: ...de support up so that it is vertical 3 Pull back at the top of the support to eliminate slack as if a log were being clamped against it See Figure 5 25 4 Check the angle of each support with a square...

Page 139: ...support to eliminate slack as if a log were being clamped against it See Figure 5 26 4 Check the angle of each support with a square on the board 5 The side support should be 90 to the bed rails If n...

Page 140: ...cross the face of the side supports See Figure 5 27 3 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 ra...

Page 141: ...support up so that it is vertical 3 Pull back at the top of the support to eliminate slack as if a log were being clamped against it See Figure 5 28 4 Check the angle of each support with a square on...

Page 142: ...saw head so the blade is positioned 14 3 4 375 mm above a bed rail 2 Adjust the lower track roller horizontal nuts until the blade measures 14 13 16 376 mm from the bed rail near the outer blade guide...

Page 143: ...e blade to the top of the bed rail or stainless steel sleeve if applicable See Figure 5 30 2 View the blade height scale with eyes level with the indicator 3 Loosen the indicator bracket mounting bolt...

Page 144: ...til the run in operation of the friction surfaces has been completed After replacing the rotor run in armature plates and flanges have an increased initial rate of wear Checking the rotor thickness DA...

Page 145: ...adjust the air gap to sL rated Brake type sL rated 0 1mm 0 05mm sL max Service brake Max adjustment permissible wear Rotor thickness Excess of the adjuster nut hEmax mm min 1 mm max mm INTORQ BFK458 2...

Page 146: ...ed herewith declare that Designation of the machine Sawmill Type LT40 Serial Number Is in conformity with the following EC directives EC Machinery Directive 2006 42 EC EC Electromagnetic Compatibility...

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