Wood-mizer LT80HD Safety, Setup, Operation & Maintenance Manual Download Page 3

Page: 3 / 161

Table of Contents

Section-Page

Table of Contents

60doc011304

iii

5.12

Power Feed ...........................................................................................5-19

5.13

Charging The Battery (DC Only) .........................................................5-21

MAINTENANCE LOG

5-23

SECTION 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 ................................................................................6-9

6.6

Power Feed Variable Feed Rate Switch Test .......................................6-14

6.7

Power Feed Mechanical Test................................................................6-15

6.8

Hydraulic Pressure Test........................................................................6-16

6.9

Fuse Terminal Extension Stud..............................................................6-17

6.10

Circuit Breaker Operation ....................................................................6-19

SECTION 7

SAWMILL ALIGNMENT

7-1

7.1

Routine Alignment Procedure ................................................................7-1

7.2

Horizontal Adjustment of Side Supports..............................................7-14

7.3

Vertical Adjustment of Side Supports..................................................7-15

Blade Height Scale Adjustment...........................................7-16

7.4

Complete Alignment Procedure ...........................................................7-17

Summary of Contents for LT80HD

Page 1: ...Safety Setup Operation Maintenance Manual LT80HD rev A3 03 Safety is our 1 concern Read and understand all safety information and instructions before oper ating setting up or maintaining this machine...

Page 2: ...WMILL OPERATION 4 1 4 1 Hydraulic Control Operation 4 1 4 2 Loading Turning And Clamping Logs 4 4 4 3 Up Down Operation 4 7 4 4 Blade Guide Arm Operation 4 8 4 5 Power Feed Operation 4 9 4 6 Cutting T...

Page 3: ...de Arm Alignment 7 4 Blade Guides 7 5 Blade Guide Vertical Tilt Alignment 7 9 Blade Guide Horizontal Tilt Adjustment 7 11 Blade Guide Flange Spacing 7 13 7 2 Horizontal Adjustment of Side Supports 7 1...

Page 4: ...CTION 8 SPECIFICATIONS 7 1 8 1 Log Capacity 7 1 8 2 Overall Dimensions 7 2 8 3 Engine Motor Specifications 7 2 8 4 Chains 7 4 8 5 Hydraulic System 7 4 8 6 Belt Sizes 7 5 SECTION 9 HYDRAULIC INFORMATIO...

Page 5: ...ation The information and instructions given in this manual do not amend or extend the limited warranties for the equipment given at the time of purchase For general information regarding Wood Mizer a...

Page 6: ...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 whi...

Page 7: ...t 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 an...

Page 8: ...ng 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 r...

Page 9: ...LY water with the water lube accessory Never use flammable fuels or liquids If these types of liquids are neces sary to clean the blade remove it and clean with a rag Failure to do so may result in se...

Page 10: ...sed as a neutralizer 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 sh...

Page 11: ...unhitching it from the towing vehicle Failure to do so may result in serious injury or death WARNING Put front outrigger down before moving saw head from the rest position Failure to do so may result...

Page 12: ...ety switches located on them are engaged KEEP PERSONS AWAY DANGER Stay clear of the area between the trailer axle and saw carriage Failure to do so will result in serious injury DANGER Keep all person...

Page 13: ...e never touch or perform service functions on a hot engine Allow the engine to cool sufficiently before beginning any service function DANGER Always keep hands away from moving bandsaw blade Failure t...

Page 14: ...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...

Page 15: ...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 chec...

Page 16: ...s out of the path of returning boards Failure to do so will result in serious injury WARNING The automatic board return is intended to assist a sec ond operator in removing boards quickly Do not use t...

Page 17: ...e safety cable automatically operates the trailer handbrake lever in case the hitch should become disen gaged Failure to do so may result in serious personal injury and or severe machine damage DANGER...

Page 18: ...From Europe call our European Headquarters and Manufacturing Facility in Kolo Poland at 48 63 2626000 or 48 3912 1319 From the continental U S call our toll free Parts hotline at 1 800 448 7881 Please...

Page 19: ...____ Customer No ___________________ See below for a description of the V I N LT80HD D42 Basic Sawmill I D Engine Motor Configuration MODEL NUMBER DESCRIPTION Company Identification Number 456 Wood Mi...

Page 20: ...Servicing The Sawmill Customer and Sawmill Identification 2 2 3 60HDdoc011304 Servicing The Sawmill The model number and V I N can be found in the following locations MODEL NUMBER AND V I N LOCATIONS...

Page 21: ...e can help you with questions about alignment of your mill blade sharpening or cutting particular species of wood He also can schedule you for a service call Office Hours All times are Eastern Standar...

Page 22: ...feet of a stationary sawmill to the floor before operating the sawmill Failure to do so may result in serious injury or death 1 Unhook the carriage safety chain located at the bottom of the vertical...

Page 23: ...nary Sawmill Setup Sawmill Setup 60HDdoc011304 3 2 3 4 Raise the two side supports that will prevent a log from falling off the side of the mill when loaded See Figure 3 1 FIG 3 1 Side Support Bed Rai...

Page 24: ...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 t...

Page 25: ...Use the up down switch on the control panel 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...

Page 26: ...cutting head toward the front end of the mill 5 Lower and set the remaining rear outriggers Level the sawmill by turning each outrigger adjustment bolt clockwise to raise a given sawmill end or count...

Page 27: ...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 T...

Page 28: ...PSI To release air push in the valve stem Replace the air valve stem cover when finished adjusting the air pressure To tension the blade turn the tension handle clockwise until the air pressure gauge...

Page 29: ...sitions itself on the blade wheels 4 Check that if the blade is properly positioned on the blade wheels See Figure 3 5 Position 1 1 4 wide blades so the gullet is 1 8 3 0 mm out from the edge of the b...

Page 30: ...operly See Section 7 4 for complete blade wheel alignment instructions 6 Adjust the blade tension if necessary to compensate for any changes that may have occured while adjusting the cant control 7 Sp...

Page 31: ...before operating or towing the sawmill Failure to do so may result in serious injury Be sure the blade housing and pulley covers are closed i e the safety switches located on them are engaged IMPORTAN...

Page 32: ...housing and pulley covers are closed i e the safety switches located on them are engaged DANGER Always be sure that all persons are out of the path of the blade before starting the engine or motor Fa...

Page 33: ...ntrol levers 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...

Page 34: ...rner lever the side supports rise first After reaching a fully vertical position the turner arm will engage and start to rise 7 Manually lower the log loader so it rests on the ground CAUTION Be caref...

Page 35: ...Sawmill Operation Hydraulic Control Operation Sawmill Operation 60HDdoc011304 4 3 4...

Page 36: ...he log from falling off the side of the bed 3 Use cant hooks or loading equipment to move the log to the foot of the loading arms 4 Roll the log onto the loader so that it is approximately centered wi...

Page 37: ...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 Turning small cants If you are turning a small cant use...

Page 38: ...amps ensure that the log lies flat on the sawmill bed they are essential to cut long logs with internal tension accurately 1 Use the up down lever of the front rear clamp to raise the clamp up 2 Push...

Page 39: ...nel 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 s...

Page 40: ...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 Se...

Page 41: ...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 swit...

Page 42: ...ing Disengage the blade switch down to stop the blade and drop the engine to idle Remove the board from the top of the log Always dis engage the blade before returning the carriage for the next cut CA...

Page 43: ...ure all covers and guards are in place Start the engine Turn the blade switch to I position to start the blade spinning 4 Start the water lube if necessary to prevent sap buildup on the blade See Sect...

Page 44: ...the log was turned 90 degrees and you are using toe boards to compensate for taper in the log raise the front middle or rear toe board again on the sec ond side of the log until the heart is parallel...

Page 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 withou...

Page 46: ...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...

Page 47: ...h Scale The horizontal red line on the blade height indicator shows how many inches the bottom of the blade is above the bed of the mill If you know the height of your blade at each cut you can determ...

Page 48: ...ill Operation inal measurement The extra 1 8 3 mm allows for saw kerf and shrinkage of the lum ber The yellow area on the scale identifies where the blade could encounter a side support or log clamp C...

Page 49: ...e horizontal red line on the indicator with the nearest mark on the scale you want to use Make a trim cut When you return the carriage for a second cut lower the carriage to the next mark on the scale...

Page 50: ...ter to keep the blade clean This saves water and lowers 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 Le...

Page 51: ...hese 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 If you are sawing in freezing...

Page 52: ...ont end of the sawmill Raise the rear outriggers See Figure 4 7 Secure the outrigger with the locking pin and the travel lock pin CAUTION Be sure the outrigger base is adjusted properly before securin...

Page 53: ...in the saw head over the travel rest pin 5 Lower the saw head until it is seated firmly on the rest pin 6 Secure the rest pin in the vertical position with the locking pin See Figure 4 8 7 Continue lo...

Page 54: ...raulic controls to raise the log turner and loader as high as they will go Man ually lift the loader and hook the loader chains to the sawmill frame Use the hydraulic loader lever to lower the loader...

Page 55: ...place and secure Use the safety retainer pin and cable to fasten blade housing covers 11 Remove all loose objects from the bed of the mill Store the outrigger jack handle in the bracket provided on t...

Page 56: ...other maintenance procedures 5 1 Wear Life See Table 5 1 This chart lists estimated life expectancy of common replacement parts if proper maintenance and operation procedures are followed Due to the m...

Page 57: ...act the block housing As the blocks wear the front inside corner will wear more than the body of the block When the corner wears far enough sawing performance will be affected even if the body of the...

Page 58: ...each side of the disks to insure it is parallel Use the appropriate adjustment bolt to tilt the disks mounting plate so the insert is parallel to the blade After adjusting the drive side blade guide b...

Page 59: ...rs surrounding the mill WARNING DO NOT use blades with stress cracks Blades with stress cracks can shatter causing bodily injury and or machine damage Preventing sap buildup on the blade is critical w...

Page 60: ...e wheel housings and sawdust chute every blade change Remove sawdust buildup as necessary from the battery box lid and top rail cover CAUTION Failure to remove sawdust buildup from the bat tery box li...

Page 61: ...them with Dexron III ATF transmission fluid 10W30 motor oil or 3 in 1 turbine oil Oil lubrication will help protect the rails from corrosive elements such as acid rain and or moisture from nearby bodi...

Page 62: ...re the scrapers fit firmly 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 thumb screw FIG 5...

Page 63: ...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 introduc...

Page 64: ...rive chain as necessary To adjust the chain loosen the blade guide arm motor mounting plate bolts and slide the motor to take slack out of the chain 4 Grease the clamp mechanism loading arms and side...

Page 65: ...rapers Maintenance 60HDdoc011304 5 10 5 5 7 Blade Wheel Scrapers Inspect the blade wheel scrapers at every blade change The scrapers are self adjusting and only needs to be replaced when they no longe...

Page 66: ...more than 10 seconds or unusual sounds occur when the brake is applied Brake strap adjustment 1 The engine RPM should be 1150 when idling and 3000 when running 2 The throttle cable mounting bolt shou...

Page 67: ...tuator should be deflected as well as the spring guard along with the actua tor mount block with shaft should slide 5 Never increase the engine RPM by moving manually the acceleration lever on the eng...

Page 68: ...result in serious injury Periodically check the drive belt for wear Replace any damaged or worn belts as needed See Figure 5 5 Adjust the drive belt tension using the bolt located between the drive s...

Page 69: ...Maintenance Drive Belt Adjustment Maintenance doc011304 5 14 5...

Page 70: ...gallon 3 8 liters of fluid every year to prevent fluid wear See Figure 5 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 a...

Page 71: ...s 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 Dama...

Page 72: ...ust the bolt until the center of the chain can be deflected 3 4 1 9cm with a 5 lb 2 3 KG deflection force CAUTION Do not over tension the chain Over tensioning the chain may lead to early failure of t...

Page 73: ...of oil after every 5000 hours of sawmill opera tion or once a year whichever comes first Wood Mizer offers replacement gear oil in 8 ounce bottles 3 Inspect the up down motor brushes every 750 hours...

Page 74: ...chain Damage to the gear reducer may result See Figure 5 9 2 Inspect the power feed motor brushes every 750 hours of operation Remove brush dust and replace the brushes if they worn to a length of 5...

Page 75: ...Maintenance Power Feed Maintenance 60HDdoc011304 5 20 5...

Page 76: ...sed with 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 ey...

Page 77: ...0 position and remove the key 3 Remove the two 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 t...

Page 78: ...Hours PROCEDURE MANUAL REFERENCE TOTAL HOURS OF 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...

Page 79: ...on 5 5 Grease pivot points and bearings Oil chains See Section 5 6 Lubricate blade tensioner screw See Section 5 6 Check brake strap tension See Section 5 8 Check belt tensions See Section 5 9 See Sec...

Page 80: ...Section 5 5 Grease pivot points and bearings Oil chains See Section 5 6 Lubricate blade tensioner screw See Section 5 6 Check brake strap tension See Section 5 8 Check belt tensions See Section 5 9 Se...

Page 81: ...Section 5 5 Grease pivot points and bearings Oil chains See Section 5 6 Lubricate blade tensioner screw See Section 5 6 Check brake strap tension See Section 5 8 Check belt tensions See Section 5 9 Se...

Page 82: ...Section 5 5 Grease pivot points and bearings Oil chains See Section 5 6 Lubricate blade tensioner screw See Section 5 6 Check brake strap tension See Section 5 8 Check belt tensions See Section 5 9 Se...

Page 83: ...Section 5 5 Grease pivot points and bearings Oil chains See Section 5 6 Lubricate blade tensioner screw See Section 5 6 Check brake strap tension See Section 5 8 Check belt tensions See Section 5 9 Se...

Page 84: ...t 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 P...

Page 85: ...in improperly adjusted Adjust up down chain 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 be...

Page 86: ...loose wire or termi nal connections Power Feed Motor Does Not Work Sawdust buildup in the power feed pulleys Sawdust buildup puts mechan ical bind on power feed which causes automatic motor pro tecti...

Page 87: ...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 Cha...

Page 88: ...ntil 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...

Page 89: ...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 movem...

Page 90: ...rn or defective feed rate switch OV This light indicates an overvoltage condition This can be caused by a defective alternator not regulating voltage properly or a bad connection The OV light will com...

Page 91: ...ting Guide Power Feed Circuit Troubleshooting Troubleshooting Guide 60HDdoc011304 6 8 6 damaged Call Customer Service for assistance PWR Indicates battery power is present at the power feed control ci...

Page 92: ...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 ouput defective voltage regulator bad batter...

Page 93: ...y switch con 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 c...

Page 94: ...Allow fluid to warm up Synthetic fluids are available that allow for hydraulic operation in cold weather conditions Mobil SHC 526 Pump Motor Runs Continu ously When Power Contact Is Made Solenoid is s...

Page 95: ...d 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 96: ...ydraulics operate properly hoses and cylinder seals are good Perform further valve inspection found below If down creep still occurs check all hoses for possible pinholes causing leakage Replace if ap...

Page 97: ...Rate 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 Re...

Page 98: ...rack rollers They should turn smoothly and easily with very little play 2 Make sure the middle track cover is not bent or touching the top rail 3 Make sure the middle track oiler is free of sawdust bu...

Page 99: ...d to be readjusted The relief 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 L...

Page 100: ...nly 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...

Page 101: ...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 s...

Page 102: ...nt of the control box The blade guide accessory ignition and start breakers are located inside the control box Remove the circuit breaker panel from the control box to access the internal breakers NOT...

Page 103: ...rt the sawmill over rough terrain 7 1 Routine Alignment Procedure Blade Installation 1 Remove the blade and check the blade wheels Remove any sawdust buildup from the surface of the wheels 2 Install a...

Page 104: ...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 th...

Page 105: ...ent bolts To lower the outside of the saw head loosen the adjustment bolts and tighten the stop bolts Retighten the retaining plate bolts Recheck the measurement from the blade to the bed rails and ad...

Page 106: ...de causing inaccurate cuts A loose blade guide arm can also cause blade vibration 1 Adjust the blade guide arm in to 1 2 15 mm from fully closed 2 Manually try to move the arm up and down If you can m...

Page 107: ...asure the distance between the blade guide roller flange and the back of the blade See Figure 7 4 4 Adjust the blade guide arm to 1 2 15 mm from fully open and remeasure the distance from the roller f...

Page 108: ...osen 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 carriage so the b...

Page 109: ...ide 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...

Page 110: ...ment 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 nut...

Page 111: ...ment tool on the blade Position the tool close to the outer blade guide assembly Be sure the tool does not rest on a tooth or burr and is lying flat on the blade See Figure 7 8 3 Move the carriage so...

Page 112: ...he roller down loosen the top screw and tighten the bottom screw Tighten the jam nuts and recheck the tilt of the blade 6 Move the blade guide alignment tool close to the inner blade guide assembly an...

Page 113: ...lignment 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...

Page 114: ...screw To tilt the roller right loosen the left screw and tighten the right screw Tighten the jam nuts and recheck the tilt of the blade 5 Repeat the above steps for the inner blade guide roller assem...

Page 115: ...d 1 Measure 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 See F...

Page 116: ...wing The sides supports 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 o...

Page 117: ...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 7 14 4 Check the angle of each support with a square on the board 5 T...

Page 118: ...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 Se...

Page 119: ...ailer axle and adjustable outriggers adjust the outriggers as fol lows LT60HD Adjust the two end outriggers on the main frame tube down just enough to lift weight from the trailer tire LT70HD Adjust t...

Page 120: ...ssemblies and main tain the tilt adjustments only loosen one side screw and the top screw Leaving the other side screw and bottom screw in position will insure you will return the rollers to their ori...

Page 121: ...e 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 rear of the tool is positioned over...

Page 122: ...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...

Page 123: ...jam nuts To tilt the wheel down loosen the top adjustment screw one quarter turn Loosen the jam nut on the bottom adjustment screw and tighten the screw Tighten the top and bottom jam nuts 8 Recheck t...

Page 124: ...e 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 20 Use the cant control adjustment to adjust the idle side blade wheel If the blade...

Page 125: ...wheel if necessary See Figure 7 21 Use the horizontal adjustment screw to adjust the drive side blade wheel To move the blade back on the wheel loosen the jam nut on the adjustment screw and tighten...

Page 126: ...ck to the front pivot bed rail Raise the cutting head until the bottom of the blade is 17 400 mm above the outside of the pivot bed rail support by actual measurement with a tape or ruler See Figure 7...

Page 127: ...ts Recheck the saw head tilt and readjust the bolts as necessary 4 Move the clamp so it is 10 from the clamp stop Adjust the clamp down to its lowest pos tion Move the saw head forward until it is pos...

Page 128: ...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 9 Move the saw head so the blade i...

Page 129: ...e blade if necessary Retighten the clamping bolts and adjustment bolt jam nuts 11 Without adjusting the saw head height check the three remaining main bed rails and the rear pivot rail Adjust them so...

Page 130: ...e for various widths of materials to be pro cessed NOTE Before installing the blade guide assemblies remove the blade guide adjusting screws and apply a lubri cating oil such as 10W30 or Dexron III to...

Page 131: ...ovided alignment bar 3 Install each blade guide assembly to the mounting blocks and push all the way back Install tension and track a new blade Adjust the outer blade guide assembly so the roller flan...

Page 132: ...t touch the blade NOTE Before adjusting the top bolt unload pressure on the bolt by turning 1 2 turn in the opposite direction it was last adjusted With the roller flange positioned properly from the...

Page 133: ...de causing inaccurate cuts A loose blade guide arm can also cause blade vibration 1 Adjust the blade guide arm in to 1 2 15 mm from fully closed 2 Manually try to move the arm up and down If you can m...

Page 134: ...ure the distance between the blade guide roller and the back of the blade See Figure 7 28 4 Adjust the blade guide arm to 1 2 15 mm from fully open and remeasure the distance from the roller flange to...

Page 135: ...oosen 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 carriage so the...

Page 136: ...15 mm 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 bla...

Page 137: ...tment 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 nu...

Page 138: ...the top of the rail to the bottom of the blade See Figure 7 32 Loosen the clamp bolts Turn the top adjustment bolt counterclockwise to lower the assembly until the blade guide roller deflects the bla...

Page 139: ...ment tool on the blade Position the tool close to the outer blade guide assembly Be sure the tool does not rest on a tooth or burr and is lying flat on the blade See Figure 7 33 3 Move the carriage so...

Page 140: ...the roller down loosen the top screw and tighten the bottom screw Tighten the jam nuts and recheck the tilt of the blade 6 Move the blade guide alignment tool close to the inner blade guide assembly a...

Page 141: ...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...

Page 142: ...t screw To tilt the roller right loosen the left screw and tighten the right screw Tighten the jam nuts and recheck the tilt of the blade 5 Repeat the above steps for the inner blade guide roller asse...

Page 143: ...d 1 Measure 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 See F...

Page 144: ...entire length of the bar Shine a flashlight behind the blade guide assembly to help you see the gap between the bar and the blade To adjust loosen the rear clamp bolts but leave snug Determine which...

Page 145: ...e bottom disk to 008 010 0 2 0 25 mm from the blade Use the provided shim to set the distance from the disk to the blade Tighten the bottom disk mounting bolt and clamp bolt 3 Turn the top disk adjust...

Page 146: ...sides supports 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 si...

Page 147: ...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 7 41 4 Check the angle of each support with a square on the board 5 The sid...

Page 148: ...ligned pivot them down to their horizontal position 2 Tie a string to the 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 rai...

Page 149: ...ed 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...

Page 150: ...ment bolts To lower the out side of the saw head loosen the adjustment bolts and tighten the stop bolts Retighten the retaining plate bolts Recheck the measurement from the blade to the bed rails and...

Page 151: ...de 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 Fi...

Page 152: ...sion options Add length of bed extension to sawmill length capacity ie BX12 add 12 15 11 4 9 m 20 2 6 1 m 27 6 8 4 m Maximum Log Weight 2 2 Sawmills equipped with bed extensions can accept heavier log...

Page 153: ...0 kg TABLE 8 1 Engine Motor Type 1 1 Use diesel fuel for D42 Manufacturer Model No Power Other Specifications 42HP Diesel Kubota Japan V1505 TE 42KM 4 cylinders 1498 cm3 25HP Electric Motor 2 2 The el...

Page 154: ...w Engine Motor Type Manufacturer Voltage Power WM Part Power Feed Motor Leeson USA 12V 1800 RPM 600W 023688 Up Down Motor Leeson USA 12V 1800 RPM 600W 015174 Blade Guide Arm Motor Motor Products Owoss...

Page 155: ...s is listed below 8 5 Hydraulic System See Table 8 6 The specifications of the hydraulic system are shown below Load Capacity According to ISO Nr 08A 1 Power Feed Chain 22700N Up Down Chain 45400N TAB...

Page 156: ...are shown Description Belt Size Wood Mizer Part Motor Drive Belt E25 3B HB 2462La 089464 Engine Drive Belt D42 3B HB 2462La 089464 Alternator Belt 6PK775 089465 Up Down Drive Belt HA 630 090558 Blade...

Page 157: ...gative Contact 6 AWG Red 6 AWG Red 8 AWG Black 8 AWG Red 6 AWG Black 6 AWG Black F1 F2 F3 B1 M1 SOL8 SOL9 M5 M6 18 14 AWG Red Hydraulic Mills Only 1 AWG Black 1 2 3 4 SOL10 22 21 20 19 18 17 16 15 14...

Page 158: ...Ye llow Green 1 2m Hose 3 8 3rd Tee Connector To 2nd Log Loader Cyl inder Top Bottom 3 8 1ST Tee Connector To 3rd Log Loader Cylinder Top 3 089852 H10 Red 2 0m Hose 3 8 Oil Flow Divider To 2nd Tee Co...

Page 159: ...on 60HDdoc011304 8 3 9 H22 White 4 4m Hose 1 4 Log Clamp IN OUT Clamp IN 1 089865 H23 Blue Red 4 9m Hose 1 4 1st Clamp Up Down 2 089866 H24 White Or ange 2 7m Hose 1 4 3rd Clamp In Out 2 089867 H25 Bl...

Page 160: ...blems 6 9 L leveling logs 4 6 loading logs 4 4 M maintenance blade guide 5 2 blade wheel bearings scrapers 5 10 carriage track wipers 5 6 drive belt 5 13 drum switches 5 8 hydraulic system 5 15 mast r...

Page 161: ...all dimensions 7 2 switch power feed up down maintenance 5 8 T troubleshooting 6 1 electrical problems 6 3 hydraulic problems 6 9 power feed problems 6 5 sawing problems 6 1 turning logs 4 4 U up down...

Search results

Summary of Contents for LT80HD

Reviews:

Related manuals for LT80HD

Brands by name

Popular brands

Wood-mizer LT80HD, Safety, Setup, Operation & Maintenance Manual

Search results

Summary of Contents for LT80HD

Reviews:

Related manuals for LT80HD

Brands by name

Popular brands