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Troubleshooting Guide

Sawing Problems

Troubleshooting Guide

3087doc041610

4-1

SECTION 4 TROUBLESHOOTING GUIDE

4.1

Sawing Problems

PROBLEM

CAUSE

SOLUTION

Blades Dull Quickly

Dirty logs

Clean or debark logs, especially on
entry side of the cut

When grinding teeth, heating
too much and causing teeth to
soften

Grind just enough metal to restore
sharpness to the teeth. Use
water/coolant while sharpening blade

Poor sharpening techniques

Make sure the tip is being sharpened
completely.

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)

Poor sharpening techniques

See Sharpener Manual

Tension too tight

Tension blade to recommended spec-
ifications

Blade Does Not Track Right
on Drive Wheel

Cant adjustment is incorrect

Readjust

Flat/worn belts

Replace B-57 belts

Blade Guides Do Not Spin
While Cutting

Frozen bearings

Replace bearings

Stiff bearings

Grease bearings

Blade Does Not Stop Immedi-
ately After Disengaging

Brake strap too loose

Adjust brake strap

Drive Belts Come Off Pulleys
When Disengaging Blade

Brake strap too loose

Adjust brake strap

Brake drum misaligned

Realign on drive shaft

Brake strap tightened with one
edge too loose and one edge
too tight

Adjust brake strap

Drive Belts Wear Prematurely
or Jump

Engine/motor and drive pulleys
out of alignment

Align pulleys

See Section 4.4

Engine/Motor and Drive Pulleys
Alignment.

Содержание 1987 LT30

Страница 1: ...up Operation Maintenance Manual 1987 LT30 rev A C3 1987 LT40 rev A C4 Safety is our 1 concern Read and understand all safety information and instructions before operating setting up or maintaining this machine October 2004 Form 640 ...

Страница 2: ...the continental U S call our toll free Parts hotline at 1 800 525 8100 Please have the vehicle identification number and your customer number ready when you call Wood Mizer will accept these methods of payment Visa Mastercard or Select Purchase 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 I...

Страница 3: ...dule you for a service call Office Hours All times are Eastern Standard Time Please remember that Indiana does not go on Day light Savings Time in the summer Monday Friday 8 a m to 5 p m Saturday 8 a m to 12 p m If your sawmill was purchased outside the United States contact the distributor for ser vice IMPORTANT Read the entire Operator s Manual before operating the sawmill Take notice of all saf...

Страница 4: ... the base model and the engine motor configuration An s after the model number indicates the model is approved for sale in countries that have adopted German Gerprüfte Sicherheit G S safety standards The model number is located on the middle blade housing cover See the figure at the right for a description of the model number When you pick up your mill you will receive a customer number Both the V...

Страница 5: ...3087doc041610 v V I N LOCATIONS 1989 V I N DESCRIPTION 1989 ...

Страница 6: ......

Страница 7: ...ponents 1 14 SECTION 2 SETUP OPERATION 2 1 2 1 Stationary Sawmill Setup 2 1 2 2 Portable Sawmill Setup 2 2 2 3 Replacing The Blade 2 6 2 4 Tensioning The Blade 2 7 2 5 Tracking The Blade 2 8 2 6 Starting The Engine or Motor 2 9 2 7 Loading Turning And Clamping Logs 2 10 2 8 Up Down Operation 2 13 2 9 Blade Guide Arm Operation 2 14 2 10 Clutch Brake Operation 2 16 2 11 Power Feed Operation 2 17 2 1...

Страница 8: ...rication 3 8 3 9 Blade Tensioner 3 9 3 10 Blade Wheel Belts 3 10 3 11 Brake Strap Adjustment 3 11 3 12 Drive Bearing 3 12 3 13 Up Down System 3 13 3 14 Power Feed 3 14 3 15 Miscellaneous Maintenance 3 16 SECTION 4 TROUBLESHOOTING GUIDE 4 1 4 1 Sawing Problems 4 1 4 2 Electrical Problems 4 3 4 3 Power Feed Problems 4 5 4 4 Engine Motor and Drive Pulleys Alignment 4 7 4 5 Power Feed Variable Speed S...

Страница 9: ...lade 5 9 5 7 Blade Guide Arm Vertical Adjustment 5 11 5 8 Blade Guide Arm Horizontal Adjustment 5 12 5 9 Aligning The Blade Guides 5 14 5 10 Blade Deflection 5 15 5 11 Blade Guide Vertical Tilt Adjustment 5 16 5 12 Blade Guide Spacing 5 18 5 13 Horizontal Tilt Adjustment 5 19 5 14 Horizontal Adjustment Of Side Supports 5 20 5 15 Vertical Adjustment Of Side Supports 5 21 5 16 Clamp Stop Adjustment ...

Страница 10: ......

Страница 11: ...sible personal injury The word WARNING suggests a safety hazard that can cause personal injury CAUTION refers to hazards that can cause damage to the equipment or property only Read all safety instructions before operating this equipment and observe all safety warn ings Safety instructions are listed in this section by the following operations Blade Handling Sawmill Setup Sawmill Operation Electri...

Страница 12: ...before unhitching it from the towing 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 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 outr...

Страница 13: ... the neutral position before turning the key switch to the ON or ACC position This prevents unwanted carriage movement WARNING Always secure the cutting head with a 5 16 chain before adjusting the up down chain The cutting head may fall causing severe injury or death WARNING Always secure the cutting head with a 5 16 chain before removing the up down motor belt The cutting head may fall causing se...

Страница 14: ...d so the log does not hit it IMPORTANT It is always the owner s responsibility to comply with all applicable federal state and local laws rules and regulations regarding the ownership operation and towing of your Wood Mizer sawmill All Wood Mizer mill owners are encouraged to become thoroughly familiar with these applicable laws and comply with them fully while using or towing the mill Always prop...

Страница 15: ...ervicing Keep all electrical component covers closed and securely fastened during mill operation WARNING Consider all electrical circuits energized and danger ous 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 watches or other jewelry while working around an open electrical circuit WARNING Before performing servi...

Страница 16: ... injury and death 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 s...

Страница 17: ...st be locked out 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 syste...

Страница 18: ...l each shall place 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 ...

Страница 19: ...otor Drive Belt Rev AE B9 2BX721 2 P09555 2 7 5 10hp Electric Motor Drive Belt LT30 Rev B5 B8 LT40 Rev B6 B9 2BX701 P04857 2 15hp Electric Motor Drive Belt 2BX701 P04857 2 Alternator Belt G24 A33 P11542 Alternator Belt E15 A30 P11628 Blade Pulley Belts B573 P04185 Power Feed Drive Belt Power Feed 3 Speed Belt Power Feed High Speed Return Belt If Equipped 4L280 3L290 3L320 P04031 P04349 P04348 Up D...

Страница 20: ...gine Size Recommended Blade For Sawing Softwood Hardwood Frozen or Hard to Cut Wood 5 hp 14hp 042 x 7 8 x 1 1 4 035 x 7 8 x 1 1 4 045 x 7 8 x 1 1 4 F 1 1 TRU SHARP F blades use a 9 29 profile 9 hook angle and 29 back angle and are designed to cut frozen and or extremely dense hard to cut wood Standard TRU SHARP blades use a 10 30 profile 16hp or more 045 x 7 8 x 1 1 2 042 x 7 8 x 1 1 4 045 x 7 8 x...

Страница 21: ...x Length 1 LT30 32 81 2 cm 16 8 5 1 m LT40 32 81 2 cm 21 6 4 m LT30 with Optional 12 Bed Extension 2 2 Logs over 4400 lbs must be distributed so that neither the basic mill or extension is loaded be yond the 4400 lb maximum weight rating Loading logs heavier than 4400 lbs 1996 Kg on a mill equipped with bed extension requires auxilliary log handling equipment 32 81 2 cm 28 8 8 7 m LT40 with Option...

Страница 22: ...lable for the LT30 and LT40 sawmills are listed below Engine Motor Type Manufacturer Model Number 16HP Gasoline Briggs Stratton Vanguard Twin 18HP Gasoline Briggs Stratton I C 422447 20HP Gasoline Onan B48G 20HP Gasoline Onan P220 24HP Gasoline Onan T260 24HP Gasoline Onan P224 7 5HP Electric Baldor Custom 10HP Electric Baldor Custom 15HP Electric Baldor Custom TABLE 1 5 ...

Страница 23: ...w See Table 1 7 The overall dimensions of the LT40 sawmill are listed below LT30 LT30 with Trailer Pkg Length 19 11 5 3 m 21 9 6 6 m Width 6 2 1 2 1 9 m 6 5 2 0 m Height 7 6 2 3 m 7 6 2 3 m Weight 1555 lbs 705 Kg 1870 lbs 848 Kg TABLE 1 6 LT40 LT40 with Trailer Pkg Length 24 4 7 4 m 26 2 8 0 m Width 6 2 1 2 1 9 m 6 5 2 0 m Height 7 6 2 3 m 7 6 2 3 m Weight 1695 lbs 769 Kg 2015 lbs 914 Kg ...

Страница 24: ...Safety General Information Components 1 1 14 3087doc041610 Safety General Information 1 10 Components See Figure 1 1 The major components of the Wood Mizer LT30 LT40 are shown below FIG 1 1 ...

Страница 25: ...creep after prolonged use 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 DANGER Do not operate a stationary sawmill without the feet securely fastened to the floor If the feet are not securely fastened loading and turning large logs could cause the sawmill to tip over NOTE Rear leg standard on LT40 LT40HD after 3 9...

Страница 26: ...esult 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 ...

Страница 27: ... before moving cutting head from the rest position Failure to do so may result in serious injury For Fine Adjust Outriggers FAOs lower the outrigger as close to the ground as possible then secure in place with the locking pin Adjust the outrigger base so that it contacts the ground To adjust use the provided wrench to turn the height adjustment nut Turn clock wise to lower Turn counterclockwise to...

Страница 28: ...out the engine running will result in power drainage from the battery 5 Use the carriage fwd rev switch left side of control box to move the cutting head toward the front end of the mill The hydraulic control levers become operational when the con tacts at the bottom of the carriage touch the power strip on the frame tube The hydraulic control levers will only work when the cutting head is close e...

Страница 29: ...nd 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 on the FAO Damage to the FAO may result 7 Remove the fenders by lifting them out of the slots CAUTION To preven...

Страница 30: ... out of the blade housing NOTE If your Rev A B4 LT30 or Rev A B5 LT40 sawmill is not equipped with the hydraulic blade tensioner shown you should upgrade your spring style tensioner to the hydraulic design 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...

Страница 31: ...ntrol or while cutting Ambient temperature changes will cause tension to change Adjust the ten sion handle as necessary to maintain the recommended tension level CAUTION The blade tension should be released when the mill is not in use Changes in temperature could cause increased pressure in the tensioner and loss of fluid from the gauge FIG 2 3 Blade Type Acceptable Range Ideal Tension 035 x 7 8 x...

Страница 32: ...If the blade is too far out back the blade onto the wheel by turning the cant control coun terclockwise If the blade is too far in turn the cant control clockwise until the gullet of the blade is is the correct distance from the front edge of the wheel Retension the blade to the recommended tension to compensate for any adjustments you have made in the cant control Replace the covers DANGER Never ...

Страница 33: ...lade housing and pulley covers are in place and secure If applicable use the safety retainer pin and cable to fasten blade housing covers DANGER Do not start the engine or motor when the clutch brake lever is in the engaged down position Always be sure the blade is disengaged and all persons are away from the blade before starting the engine DANGER Make sure the carriage fwd rev switch is in the n...

Страница 34: ... Position the log at the foot of the ramps 3 Remove the winch cable from the log turner if applicable and route the cable over the top of the log Wrap the cable around and underneath the log Hook the cable to the third hole in the log clamp bracket See Winch Operation Manual DANGER Keep all persons out of the path of moving equipment and logs when operating sawmill or loading and turning logs Fail...

Страница 35: ... steps 3 Clamp the log against the side supports 4 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 Clamp Logs 1 Position the log clamp in the bracket in the hole closest to the log 2 Move the clamp down far enough so that it is below your first few...

Страница 36: ...back the clamp off slightly and push the side supports down until they are positioned below the level of your first few cuts To Level A Tapered Log Use the toe boards optional to raise either end of a tapered log if desired Install the crank to the front or rear toe board until and turn clockwise until the heart of the log measures the same distance from the bed rails at each end of the log ...

Страница 37: ...s 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 Section 4 2 WARNING Failure to move the up down switch to the neu tral or off position when released will result in failure to stop saw head movement CAUTION DO NOT try to force the carriage above the 35 88 cm mar...

Страница 38: ... log by less than 1 25 4 mm LT30 Revisions A B2 LT40 Revisions A B3 Turn the remote adjusting knob clockwise to open the blade guide arm counterclockwise to close the arm LT30 Revisions B3 LT40 Revisions B4 Use the blade guide toggle switch on the instrument 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 ar...

Страница 39: ...ion Setup Operation 3087doc041610 2 15 2 2 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 returning the carriage FIG 2 7 ELECTRIC REMOTE ARM ...

Страница 40: ...r If applica ble use the safety retainer pin and cable to fasten blade housing covers See Figure 2 8 The clutch brake lever is located next to the engine 4 To engage the blade pull the 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 To disengage the blade raise the clutch brake lever to the up ...

Страница 41: ...e feed chain and a high speed return handle on the feed system All power feed systems should be upgraded to a single span feed chain and the high speed return handle removed See the Parts Manual or call Cus tomer Service for more information See Figure 2 9 The power feed system moves the carriage forward and backward by using two switches on the feed control FIG 2 9 ...

Страница 42: ...witch down to the CARRIAGE REV position to move the carriage backward The middle position as shown is the neutral position DANGER Make sure the carriage fwd rev switch is in the neutral position before turning the key switch to the on or ACC position This prevents unintended carriage move ment Using The Power Feed HINT To get a straight cut in the first part of the board feed the blade into the lo...

Страница 43: ... automatically return at the fastest speed available Return the carriage to the front of the mill by moving the fwd rev switch to the REV positon Always disengage the blade before returning the carriage for the next cut 4 Make sure that the blade does not catch on the end of the log Raise the carriage slightly to make sure the blade clears the log when returned HINT Try to stop the blade while the...

Страница 44: ...down the feed rate When the teeth exit the end of the log turn the feed rate all the way down and disengage the clutch brake lever Remove the slab that you have just cut from the log 7 Use the carriage fwd rev switch to return the carriage to the front of the mill Always dis engage the blade before returning the carriage for the next cut 8 Repeat until the first side of the log is cut as desired S...

Страница 45: ...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 steps...

Страница 46: ...hickness of lumber you are sawing Example You want to cut 1 25 mm random width boards from a log Use the sight gauge to 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 original measurement The extra 1 8 3 mm allows for saw kerf and shrinkage of the lumber The Qu...

Страница 47: ...ade should be positioned to cut a certain thickness of lumber without having to measure on the inch scale Example You want to cut 1 25 mm 4 4 random width boards from a log Position the blade for the first cut Adjust the quarter scale so a 4 4 mark is aligned with the red line on the indicator Make a trim cut Return the carriage for the second cut Now instead of having to measure down 1 1 8 29 mm ...

Страница 48: ...1 2 gallons 3 8 7 6 liters per hour A squirt of liquid dishwashing detergent in the water bottle will help clean the blade when cutting wood with a high sap content WARNING Never use flammable fuels or liquids instead of water with this accessory If these type of liquids are neces sary to clean the blade remove it and clean with a rag Before removing the blade engage the clutch brake lever Let the...

Страница 49: ...e travel rest pin 4 Lower the saw head until it is seated firmly on the rest pin Continue lowering the head 3 4 19mm Hook the safety chain to the saw head See Figure 2 12 CAUTION Failure to properly secure the saw head can result in severe machine damage Lower the saw head onto the rest pin until it contacts the rest pin collar then lower the saw head 3 4 19mm further to insure that the saw head c...

Страница 50: ...d behind the trailer tires Raise all but the very front outrigger DANGER Check to be sure the saw head is resting firmly on the rest pin and mast rail stops and that the safety chain is secured before towing the sawmill DANGER Never tow the sawmill without all guards and covers in place and secured Be sure the blade housing and pulley covers are in place and secure If applicable use the safety ret...

Страница 51: ... pro cedure should be performed 3 1 Wear Life See Table 3 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 Es...

Страница 52: ...the seals out of the blade guide bearings 2 Check the rollers for performance and wear every blade change Make sure the rollers are clean and spinning freely If not rebuild them Replace any rollers which have worn smooth or have become cone shaped See The LT30 40 Parts manual for blade guide rebuild kits and complete roller assemblies NOTE The blade guide set screws may be replaced with stainless ...

Страница 53: ...el housings and sawdust chute every blade change See Figure 3 2 2 Make sure the cam roller in the top center of the C frame is 1 16 1 5 mm below the bot tom of the blade If not adjust the bearing as necessary Check the roller every 500 hours of operation Failing to maintain this adjustment will lead to early blade breakage ...

Страница 54: ...and open Brush any sawdust buildup from the housings 3 Check the track scrapers as needed Make sure the scrapers fit firmly against the rail 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 4 Rev AL Clean and lubricate the track wiper every twenty five hours of operation Unbolt the wiper rem...

Страница 55: ...nce Track Rollers Maintenance 3087doc041610 3 5 3 3 5 Track Rollers See Figure 3 4 1 Lubricate the greasable track roller bearings every fifty hours of operation Use a NLGI No 2 grade lithium grease FIG 3 4 50 ...

Страница 56: ... 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 col lect sawdust 50 ...

Страница 57: ...ve the drum switch cover Use a cotton swab to apply grease to the switch contact ends WARNING Drum switch grease contains Petroleum Hydrocarbon Lubricant Eye and skin irritant If introduced into eyes flush with water for at least 15 minutes If film or irritation persists seek medical attention Wash skin with soap and water If ingested do not induce vomiting con tact a physician KEEP OUT OF THE REA...

Страница 58: ...blade guide arm every fifty hours of operation to help prevent it from rusting 2 Grease the three clutch brake handle pivots with a NLGI No 2 grade lithium grease every fifty hours of operation See Figure 3 5 3 Oil all chains with Dexron III ATF every fifty hours of operation CAUTION Do not use chain lube It causes sawdust buildup in chain links FIG 3 5 50 50 50 ...

Страница 59: ...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 3 6 FIG 3 6 50 SM0058B Chrome rods Tensioner screw handle grease fitting ...

Страница 60: ... Rotate the blade wheel belts and check them for wear Rotating the belts every 50 hours will give you longer belt life Replace belts as necessary Use only B57 belts manufac tured by Goodyear or Browning 2 Periodically check all belts for wear Replace any damaged or worn belts as needed 50 ...

Страница 61: ...eafter If the blade does not stop quickly the brake strap needs adjusting To access the brake strap remove the two belt covers located underneath the engine Engage the clutch brake lever Loosen the two brake strap clamping bolts and pull the brake strap about 1 2 12 7 mm through the clamping plates Retighten the bolts Replace the belt guards See Figure 3 7 FIG 3 7 50 ...

Страница 62: ...s 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 square oil plug to the bottom hole and the vented oil plug to the top hole See Figure 3 8 NOTE The cylinder bearing drive system may be retrofitted to sawmills built prior to Revs C1 C2 FIG 3 8 1000 ...

Страница 63: ...e Figure 3 9 DANGER Always secure the cutting head with a 5 16 chain with at least 1900 lbs working load capacity before adjusting the up down chain The cutting head may fall causing severe injury or death CAUTION Do not over tension the chain Over tensioning the chain may lead to early failure of the gear reducer 2 Check the up down gearbox oil level Add a synthetic gear oil such as Mobil SHC 634...

Страница 64: ...or call Cus tomer Service for more information 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 remove the feed motor cover Loosen the three motor mounting bolts See Figure 3 10 Loosen the locking nut on the belt adjustment bolt Turn the bolt coun terclockwise to tighten...

Страница 65: ...d 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 3 11 FIG 3 11 Feed Chain Adjustment Nuts 3H0018B ...

Страница 66: ...every setup See Section 5 Alignment 2 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 WARNING Keep all safety warning decals clean and visi ble If decal becomes worn or damaged replace immedi ately ...

Страница 67: ... Check Blade Guide Roller Performance SEE SECTION 3 2 Remove Excess Sawdust From Blade Wheel Housings And Sawdust Chute SEE SECTION 3 3 EVERY 8 HOURS Clean And Lubricate Track SEE SECTION 3 4 Remove Sawdust From Upper Cam Housings SEE SECTION 3 4 EVERY 25 HOURS Clean And Lubricate Upper Track Wiper SEE SECTION 3 4 f manuals forms 50487 3087doc041610 ...

Страница 68: ......

Страница 69: ...llers See Section 3 5 Lubricate drum switches See Section 3 7 Grease pivot points and bearings Oil chains See Section 3 8 See Section 3 13 See Section 3 14 Check belt tensions See Section 3 13 See Section 3 14 Check brake strap tension See Section 3 11 Rotate drive idle blade wheel belts Check all belts for wear See Section 3 10 Check feed up down chain tensions See Section 3 13 See Section 3 14 C...

Страница 70: ...ollers See Section 3 5 Lubricate drum switches See Section 3 7 Grease pivot points and bearings Oil chains See Section 3 8 See Section 3 13 See Section 3 14 Check belt tensions See Section 3 13 See Section 3 14 Check brake strap tension See Section 3 11 Rotate drive idle blade wheel belts Check all belts for wear See Section 3 10 Check feed up down chain tensions See Section 3 13 See Section 3 14 ...

Страница 71: ...le rollers See Section 3 5 Lubricate drum switches See Section 3 7 Grease pivot points and bearings Oil chains See Section 3 8 See Section 3 13 See Section 3 14 Check belt tensions See Section 3 13 See Section 3 14 Check brake strap tension See Section 3 11 Rotate drive idle blade wheel belts Check all belts for wear See Section 3 10 Check feed up down chain tensions See Section 3 13 See Section 3...

Страница 72: ...le rollers See Section 3 5 Lubricate drum switches See Section 3 7 Grease pivot points and bearings Oil chains See Section 3 8 See Section 3 13 See Section 3 14 Check belt tensions See Section 3 13 See Section 3 14 Check brake strap tension See Section 3 11 Rotate drive idle blade wheel belts Check all belts for wear See Section 3 10 Check feed up down chain tensions See Section 3 13 See Section 3...

Страница 73: ...le rollers See Section 3 5 Lubricate drum switches See Section 3 7 Grease pivot points and bearings Oil chains See Section 3 8 See Section 3 13 See Section 3 14 Check belt tensions See Section 3 13 See Section 3 14 Check brake strap tension See Section 3 11 Rotate drive idle blade wheel belts Check all belts for wear See Section 3 10 Check feed up down chain tensions See Section 3 13 See Section 3...

Страница 74: ...le rollers See Section 3 5 Lubricate drum switches See Section 3 7 Grease pivot points and bearings Oil chains See Section 3 8 See Section 3 13 See Section 3 14 Check belt tensions See Section 3 13 See Section 3 14 Check brake strap tension See Section 3 11 Rotate drive idle blade wheel belts Check all belts for wear See Section 3 10 Check feed up down chain tensions See Section 3 13 See Section 3...

Страница 75: ... wheels Change blade wheel belts B 57 Poor sharpening techniques See Sharpener Manual Tension too tight Tension blade to recommended spec ifications Blade Does Not Track Right on Drive Wheel Cant adjustment is incorrect Readjust Flat worn belts Replace B 57 belts Blade Guides Do Not Spin While Cutting Frozen bearings Replace bearings Stiff bearings Grease bearings Blade Does Not Stop Immedi ately ...

Страница 76: ...ted 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 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...

Страница 77: ...anually 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 S...

Страница 78: ... 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 system checked by authorized Onan dealer Bad cells Check fluid levels and add proper solution Idle improper Adjust low end RPM Burned out alternator light Check for loose wire Replace light if necessary ...

Страница 79: ...switch Power Feed Is Jerky But Power Feed Motor Runs Prop erly At All Speeds Problem is mechanical Refer to the Mechanical Test Power Feed Motor Overheats Middle track oiler is dragging Clean middle track oiler and lubricate with 30 weight oil or ATF Automatic Transmission Fluid such as Dexron II Allow motor to cool before restarting Ground is not level Level mill with carpenter s level Allow moto...

Страница 80: ...nd sprocket Check motor for ground fault Allow motor to cool before restarting Saw head load is excessive Avoid unnecessary modifications to saw heads that would give them extra weight Allow motor to cool before restarting Blade is dull or improperly set Use proper blade maintenance proce dures See Sharpener or Toothsetter manual Allow motor to cool before restarting ...

Страница 81: ...thin 1 8 square with the drive pulley Loosen the engine mounting bolts and rotate the engine if necessary 3 Check front to back movement of the engine does not exceed 1 4 Tighten the motor mount U bolts if necessary 4 Engage the clutch handle and adjust the drive belt tension to 7 16 deflection with 10 lb of force 5 Recheck the pulley alignment and engine squareness with the clutch handle engaged ...

Страница 82: ...d Switch Test With the feed rate dial switch all the way down move the shaft of the dial back and forth to see if there 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 ...

Страница 83: ... problem is a 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 fwd rev switch into the forward position and turn the feed rate dial through all speeds If the power feed motor runs prop erly at all speeds the problem is a mechanical one instead of an electrical one ...

Страница 84: ...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 If you have an old style mill with loop designed feed chain inspect the front and rear sprocket assemblies Make sure there are no defective bearings 8 Make sur...

Страница 85: ... be taken in performing these steps Sawmill alignment determines the accuracy and square ness of your cuts The sawmill alignment steps are 1 Ready the sawmill for alignment 2 Adjust the main bed rails parallel to the blade 3 Adjust the blade guide arm parallel to the bed rails 4 Align blade guides to the blade 5 Adjust side supports square to the bed 6 Adjust pivot bed rails parallel to the blade ...

Страница 86: ...roceeding with align ment Shim the feet so the weight of the sawmill is evenly supported Portable sawmills should also be set up on firm level ground Adjust the two middle 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 ...

Страница 87: ... the wheel at the top bottom and side of the wheel If it does not loosen and tighten the appropriate adjustment screws on the back of the wheel See Figure 5 1 See Figure 5 2 The blade wheels should be adjusted so that the gullet of 1 1 4 blades ride 1 8 3 mm out from the front edge of the wheels 1 32 75 mm The gullet of 1 1 2 blades should ride 3 16 4 5 mm from the front edge of the wheels 1 32 75...

Страница 88: ...djustment in blade tension may be needed to compensate for adjustments made with the cant control Adjustment with the cant control handle is usually all that is required to track the blade properly on both blade wheels The drive side blade wheel will usually not have to be adjusted If necessary the drive side wheel can be adjusted as follows Locate the jam nuts between the drive bearing mounting p...

Страница 89: ...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 between one of the inner pads and the mast rail DANGER Always secure the cutting head with a 5 16 chain with at least 1900 lbs working load capacity before adjusting the mast pads The cutting head may fall causing severe injury or death 2 To ad...

Страница 90: ...the adjusting bolt as necessary to provide the pad spacing described in Step 4 CAUTION Due to variations in the vertical mast the pad spacing may vary throughout the travel of the saw head Check the pad spacing at the top and bottom ends of the mast only Pads adjusted too tight will cause premature up down motor failure FIG 5 3 ...

Страница 91: ...so the blade is over the rear main bed rail See Figure 5 4 2 Check that both lower track rollers are touching the inside of the rail The stop blocks should be within 1 16 1 8 1 5 3 0 mm of the rail 3 If adjustment is needed use the horizontal bolts to pull the track rollers to the rail Adjust the lower rollers until they both support the weight of the saw head evenly 4 Use the vertical bolts to cl...

Страница 92: ...rollers change the angle between the cutting head and sawmill bed rails Only small adjustments of the lower track rollers should ever be needed 8 Remove the blade guides or adjust them so that they do not touch the blade 9 Open the adjustable blade guide arm to within 1 2 15 mm of full open 10 Move the carriage so that the blade is over the log clamp tube 11 Raise the cutting head until the bottom...

Страница 93: ... neccesary Adjust the clamp until it is positioned under the outer blade guide 2 Move the saw head until the blade is centered over the clamp 3 Raise the saw head until the blade measures 14 1 2 360 mm from the top of the clamp Use a rule to determine the actual distance of the blade to the clamp See Figure 5 5 4 Move the saw head to center the blade over the rear most bed rail FIG 5 5 ...

Страница 94: ...rom the blade at both ends of the rail 6 Loosen the bed rail clamping bolts and turn the adjustment bolts to move the bed rails to the blade if necessary 7 Retighen the clamping bolts 8 Without adjusting the saw head height check all four main bed rails Adjust them so that all measure the same distance from the blade at both ends of the bed rail FIG 5 6 15 375 0 mm 15 375 0 mm Blade Bed Rail Clamp...

Страница 95: ...he closed position loosen the lower outside roller and tighten the upper outside roller See Step 8 7 If the arm is too high in the closed position loosen the upper outside roller and tighten the lower outside roller See Step 8 8 The rollers are mounted on cam bolts that raise or lower the arm when turned To adjust the rollers loosen the nut against the blade housing Locate the cam bolt head inside...

Страница 96: ...ar on the roller is about 1 8 3 0 mm from the back of the blade when the throat is 1 2 15 mm from full open 2 Close the throat to within 1 2 15 mm from fully closed Check to see that the flange is the same distance from the back of the blade See Figure 5 8 3 If adjustment is needed the guide rollers can be adjusted in or out on the threaded mounts to open or close the gap FIG 5 8 Flange equal dist...

Страница 97: ...llers furthest from the arm motor inward will cause the flange to move toward the blade 5 Adjusting the two inside rollers outward will cause the flange to move away from the blade 6 Adjust until the roller flange is the same distance from the back of the blade in the open and closed position FIG 5 9 Adjustment Nuts Adjustment Nuts SM0066 ...

Страница 98: ...red to as the inner blade guide assembly The other blade guide assembly is mounted on the idle side of the saw head It is referred to as the outer assembly and is adjustable for various widths of materials to be pro cessed Blade guide alignment includes four steps Blade Deflection Blade Guide Vertical Tilt Blade Guide Flange Spacing Blade Guide Horizontal Tilt Perform the blade guide alignment aft...

Страница 99: ...lade 2 Install the blade guides Make sure the two set screws shown are threaded into the blade guide shaft until they touch each other See Figure 5 10 3 Loosen the bottom jam nut and tighten the top jam nut until the blade guide deflects the blade down 1 4 6 5 mm 4 Repeat for the other blade guide NOTE Be sure that the blade guard clears the blade on both guide assemblies The guard on the outer gu...

Страница 100: ... flat on the blade See Figure 5 11 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 blade guide alignment tool to the top surface of the cover rather than the bed rail tube 4 Move the carriage so that the front end of the tool is positioned above the bed rail 5 Measure the distance fr...

Страница 101: ... tilt until the measurement from 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 remeasure the distance between the blade and the bed rails to ensure the correct 1 4 6 5 mm blade guide deflection Adjust if necessary FIG 5 12 SM0070 Loosen jam nuts a...

Страница 102: ...htened 1 Adjust the inner blade guide so the blade guide flange is approximately 1 16 1 5 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 Figure 5 13 3 Retighten the two set screws 4 Adjust the outer blade guide in the same way so the blade guide flange is approximately 1 8 3 0 mm from the back of the...

Страница 103: ...e 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 slightly to the left A 1 8 3 mm less than B 1 8 3 mm 6 Use the side set screws to adjust the horizontal tilt of the roller 7 Repeat Steps 3 7 for the inner blade guide roller NOTE Once the blade guides have ...

Страница 104: ...e squareness of the next cut The cut will only be as square as the supports 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 make sure that it is parallel to the rail See Figure 5 15 3 Use the two lower bolts to adjust the side support so B A or 1 32 0 8 mm 4 Repeat for remaining side supports FIG 5 ...

Страница 105: ...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 16 4 Check the angle of each support with a square on the board 5 The side support should be 90 to the bed rails or leaning forward 1 32 0 8 mm Loosen the top adjustment bolt adjust the side support and retighten the bolt 6 Repeat for the remaining side supports FI...

Страница 106: ...nment 5 16 Clamp Stop Adjustment 1 Once the side supports are aligned pivot them down to their horizontal position 2 Tie a string across the face of the side supports See Figure 5 17 3 Loosen the clamp stop bolts and adjust the clamp stop until it touches the string FIG 5 17 ...

Страница 107: ...e is over one of the pivot bed rails 3 Measure the distance from the top of the pivot rail to the bottom of the blade Make this measurement at each end of the pivot rail The two measurements should be the same as the main bed rails 4 Use the bolt shown to adjust the height of the pivot rail See Figure 5 18 5 Use the set screws to adjust the angle of the pivot rail Pivot the rail and check in 45 po...

Страница 108: ... down slightly To compensate for the drop use the lower track roller horizontal bolts to raise the outside of the saw head 1 16 1 Move the saw head so the blade is positioned 14 3 4 375 mm above a bed rail 2 Adjust the lower track roller horizontal bolts until the blade measures 14 13 16 376 5 mm from the bed rail near the outer blade guide See Figure 5 19 FIG 5 19 ...

Страница 109: ...he bed rails 1 Move the saw head so the blade is positioned 14 3 4 375 mm above the bed rails by actual measurement with a rule See Figure 5 20 2 View the blade height scale with eyes level with the indicator 3 Loosen the indicator bracket mounting bolts and adjust the bracket until the indicator is aligned with the 14 3 4 375 mm mark on the scale 0 1 32 8 mm FIG 5 20 15 16 17 18 14 4 4 4 4 4 5 5 ...

Страница 110: ......

Страница 111: ...maintenance 3 2 spacing 5 18 vertical tilt 5 16 blade guide arm operation 2 14 brake strap tension 3 11 C chain feed tension 3 15 maintenance 3 8 up down tension 3 13 clamping logs 2 11 clamp extension accessory 2 13 clutch brake lever operation 2 16 L leveling logs 2 12 loading logs 2 10 O operation edging 2 21 sawing 2 20 P power feed mechanical troubleshooting test 4 10 operation 2 18 prelimina...

Страница 112: ...nary sawmill 2 1 side supports horizontal adjustment 5 20 vertical adjustment 5 21 switch power feed up down maintenance 3 7 T tensioner maintenance 3 9 track maintenance 3 4 troubleshooting 4 1 electrical problems 4 3 power feed problems 4 5 sawing problems 4 1 turning logs 2 11 U up down operation 2 13 troubleshooting problems 4 3 W water lube operation 2 24 ...

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Содержание 1987 LT30

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Wood-mizer 1987 LT30, Инструкция по безопасности, установке, эксплуатации и техническому обслуживанию

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Содержание 1987 LT30

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