Wood-mizer 1982 LT30 Safety, Setup, Operation & Maintenance Manual
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Wood-mizer 1982 LT30 Safety, Setup, Operation & Maintenance Manual

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Wood-Mizer
Safety, Setup, Operation
& Maintenance Manual
1982 LT30
1982 LT40
Safety is our #1 concern! Read and understand all safety
information and instructions before operating, setting up or
maintaining this machine.
October 2004
®
Sawmill
rev. A - N
rev. A - Q
Form #632

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  • Page 1 ® Wood-Mizer Sawmill Safety, Setup, Operation & Maintenance Manual 1982 LT30 rev. A - N 1982 LT40 rev. A - Q Safety is our #1 concern! Read and understand all safety information and instructions before operating, setting up or maintaining this machine.
  • Page 2 If You Need To Order Parts... From 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 Prepayment Net 15 (with approved credit) Be aware that shipping and handling charges may apply.
  • Page 3 Take notice of all safety warnings throughout this manual and those posted on the machine. Keep this manual with this machine at all times, regardless of ownership. ® *Wood-Mizer is a registered trademark of Wood-Mizer Products, Inc. 3082doc041610...
  • Page 4 Your Vehicle Identification Number And Customer Number Sawmills have a serial number stamped in the bed frame and the saw head. The number represents the month and year of manufacture followed by a sequence number and revi- sion level (See figure below). Each sawmill is also identified with a model number which includes the base model and the engine/motor configuration.

  • Page 5: Table Of Contents

    Table of Contents Section-Page SECTION 1 SAFETY & GENERAL INFORMATION Blade Handling......................1-1 Sawmill Setup......................1-2 Sawmill Operation..................... 1-3 Electric Sawmill ......................1-5 Belt Sizes ........................1-9 Blade Sizes ......................1-10 Cutting Capacity...................... 1-11 Engine/Motor Specifications ................... 1-12 Overall Dimensions ....................1-13 1.10 Components......................
  • Page 6 Table of Contents Section-Page SECTION 3 MAINTENANCE Wear Life........................3-1 Blade Guides ......................3-2 Blade Housing ......................3-3 Carriage Track, Wiper & Scrapers ................3-4 Track Rollers ......................3-5 Vertical Mast Rails ....................3-6 Drum Switches ......................3-7 Miscellaneous Lubrication ..................3-8 Blade Tensioner......................
  • Page 7 Table of Contents Section-Page SECTION 5 SAWMILL ALIGNMENT Pre-Alignment Procedures..................5-1 Frame Setup....................... 5-2 Blade Installation And Alignment................5-3 Saw Head Slide Pad Adjustment................5-5 Adjusting The Lower Track Rollers................5-7 Adjusting Main Bed Rails To Blade ................. 5-9 Middle Flip Rails..................... 5-11 Blade Guide Arm Vertical Adjustment ..............

  • Page 9: Safety & General Information

    Safety & General Information Blade Handling SECTION 1 SAFETY & GENERAL INFORMATION This symbol calls your attention to instructions concerning your personal safety. Be sure to observe and follow these instructions. This symbol accompanies a signal word. The word DANGER refers to hazards that can cause death or serious, irreversible personal injury.

  • Page 10: Sawmill Setup

    Safety & General Information Sawmill Setup Sawmill Setup WARNING! Put front outrigger down before moving cutting head from the rest position. Failure to do so may result in serious injury. WARNING! Do not set up the mill on ground with more than a 10 degree incline.

  • Page 11: Sawmill Operation

    Safety & General Information Sawmill Operation Sawmill Operation DANGER! Never operate or 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 retainer pin and cable to fasten blade housing covers.
  • Page 12 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.

  • Page 13: Electric Sawmill

    Safety & General Information Electric Sawmill Electric Sawmill USE PROPER PROCEDURE WHEN CONDUCTING ELECTRICAL SAFETY CHECKS AND MAINTENANCE DANGER! Make sure all electrical installation, service and/or maintenance work is performed by a qualified electrician and is in accordance with applicable electrical codes. DANGER! Hazardous voltage inside the electric sawmill discon- nect box, starter box, and at the motor can cause shock, burns, or...
  • Page 14 Safety & General Information Electric Sawmill DANGER! Lockout procedures must be used during: Changing or adjusting blades Unjamming operations Cleaning Mechanical repair Electrical maintenance Retrieval of tools/parts from work area Activities where guards or electrical panel guard is open or removed Maintenance hazards include: Blade contact...
  • Page 15 Safety & General Information Electric Sawmill SAWMILL LOCKOUT PROCEDURE Lockout procedures must be followed (see ANSI Standard Z244.1-1982 and OSHA regu- lation 1910.147). Purpose: This procedure establishes the minimum requirements for lockout of energy sources that could cause injury. Responsibility: The responsibility for seeing that this procedure is followed is binding upon all workers.
  • Page 16 Owner’s Responsibility The procedures listed in this manual may not include all ANSI, OSHA, or locally required safety procedures. It is the owner/operator’s responsibility and not Wood-Mizer Products to ensure all operators are properly trained and informed of all safety protocols.

  • Page 17: Belt Sizes

    Safety & General Information Belt Sizes Belt Sizes See Table 1-1. Belt sizes for the LT30/40 are shown. Description Belt Size Wood-Mizer Part # 14hp/16hp Kohler Gas Engine Drive Belt B69 (2) P04190 16hp Briggs Gas Engine Drive Belt P09555-2...

  • Page 18: Blade Sizes

    Blade Sizes See Table 1-2. Wood-Mizer TRU•SHARP™ offers three types of blades to provide effi- cient sawing for all models of sawmills. The engine/motor size of your sawmill and the type of wood you saw should determine which blade you choose for optimum perfor- mance.

  • Page 19: Cutting Capacity

    Safety & General Information Cutting Capacity Cutting Capacity See Table 1-3. The log size capacities of the LT30 and LT40 sawmills are listed below. Max. Max. Diameter Length LT30 30" ( cm) 16' 4" ( m) LT40 30" ( cm) 20' 4”...

  • Page 20: Engine/Motor Specifications

    Safety & General Information Engine/Motor Specifications Engine/Motor Specifications See Table 1-5. The power options available for the LT30 and LT40 sawmills are listed below. Engine/Motor Manufacturer Model Number Type 14HP Gasoline Kohler K321 16HP Gasoline Kohler K341 16HP Gasoline Kohler Magnum 16HP Gasoline Briggs &...

  • Page 21: Overall Dimensions

    Safety & General Information Overall Dimensions Overall Dimensions See Table 1-6. The overall dimensions of the LT30 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’...

  • Page 22: Components

    Safety & General Information Components 1.10 Components See Figure 1-1. The major components of the Wood-Mizer LT30/LT40 are shown below. FIG. 1-1 1-14 3082doc041610 Safety & General Information...

  • Page 23: Setup & Operation

    Setup & Operation Stationary Sawmill Setup SECTION 2 SETUP & OPERATION Stationary Sawmill Setup See Figure 2-1. Set up the mill on firm footing. Level by eye. Fasten the mill to the floor or platform, or tie down to footing to stop any creep after prolonged use. NOTE: Make sure the unit is level before securing.

  • Page 24: Portable Sawmill Setup

    Setup & Operation Portable Sawmill Setup Portable Sawmill Setup WARNING! Put front outrigger down before moving cutting head from the rest position. Failure to do so may result in serious injury. WARNING! Do not set up the mill on ground with more than a 10 degree incline.
  • Page 25 Setup & Operation Portable Sawmill Setup 1. Unhitch the mill from the vehicle. See Figure 2-2. FIG. 2-2 2. Lower and set the front three outriggers. Lift the weight from the locking pin using the jack handle. Pull the locking pin to release the outrigger and lower the outrigger as necessary. Secure with the locking pin.
  • Page 26 Setup & Operation Portable Sawmill Setup Provided Adjustment Wrench Height Adjustment Nut Existing Outrigger Guide Locking Pin FAO Base SM0213 FIG. 2-2. BASE HEIGHT ADJUSTMENT (FOR FINE ADJUST OUTRIGGER ONLY). 3. Unhook the carriage safety chain. 4. Turn the key switch on the control panel to the ACC position to enable the battery-oper- ated accessories.
  • Page 27 Setup & Operation Portable Sawmill Setup 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 prevent fender damage, remove fenders before operating sawmill or loading logs.

  • Page 28: Replacing The Blade

    Setup & Operation Replacing The Blade Replacing The Blade WARNING! Always wear gloves and eye protection when- ever handling bandsaw blades. Changing blades is safest when done by one person! Keep all other persons away from work area when changing blades. Do not change the blade with the engine running.

  • Page 29: Tensioning The Blade

    Setup & Operation Tensioning The Blade Tensioning The Blade LT30 Revisions A - L LT40 Revisions A - M See Figure 2-3. Tension the blade by turning the T-handle clockwise until the tension spring is compressed to 2 5/16”. Sawmills built after 7/84 have an indicator bracket located above the spring to show the proper spring compression.
  • Page 30 Setup & Operation Tensioning The Blade LT30 Revisions M - N LT40 Revisions N - Q See Figure 2-4. Tension the blade by turning the hydraulic tensioning handle clockwise until the tension gauge indicates the recommended tension. Blade Tensioner Gauge Blade Tensioner Handle Cant Control...
  • Page 31 Setup & Operation Tensioning The Blade See Table 2-1. The recommended tensions for different blades is shown below. Blade Type Acceptable Range Ideal Tension .035" x 7/8" x 1 1/4" 1800 - 2100 psi 2000 psi .042" x 7/8" x 1 1/4" 2100 - 2400 psi 2300 psi .045"...

  • Page 32: Tracking The Blade

    Setup & Operation Tracking The Blade Tracking The Blade Make sure the middle blade housing cover is closed and all persons are clear of the open side of the saw head. Start the engine (or motor). Pull lightly on the clutch handle, rotating the blade until the blade positions itself on the wheels.

  • Page 33: Starting The Engine (Or Motor)

    See the appropriate manual supplied with your specific engine/motor configuration for starting and operating instructions. DANGER! Read the entire manual before operating your Wood-Mizer sawmill. DANGER! Never operate the sawmill without all guards and covers in place and secured. Be sure the blade housing and pulley covers are in place and secure.

  • Page 34: Loading, Turning, And Clamping Logs

    Setup & Operation Loading, Turning, And Clamping Logs Loading, Turning, And Clamping Logs CAUTION! Be sure the sliding end rails, turning arm, clamp, and toe boards are out of the way before loading a log onto the bed. Be sure logs are positioned on the bed so that they will not damage the manual winch when loaded.
  • Page 35 Setup & Operation Loading, Turning, And Clamping Logs To Turn Logs 1. Use cant hooks or the optional log roller to rotate the log on the sawmill bed. See Log Roller Manual. 2. Spin the log against the side supports until it is turned the way you want it for the first cut. If you want to turn the log more, do the following steps.
  • Page 36 Setup & Operation Loading, Turning, And Clamping Logs 3. Make sure the side supports are positioned low enough for the blade to pass over them. If they are not, back the clamp off slightly and push the side supports down until they are positioned below the level of your first few cuts.

  • Page 37: Up/Down Operation

    Setup & Operation Up/Down Operation Up/Down Operation 1. Install a blade, if needed, and check for correct blade tension. (See Section 2.4). 2. Set the cutting head to the desired height. (The blade height scale shows the height of the blade above the bed rails.) See Figure 2-7.

  • Page 38: Blade Guide Arm Operation

    Setup & Operation Blade Guide Arm Operation Blade Guide Arm Operation 1. Look down the length of the log to see its maximum width. The outer blade guide should be adjusted to clear the widest section of the log by less than 1" (25.4 mm). LT30 Revisions A - H LT40 Revisions A - J Loosen the blade guide arm locking T-handle and slide the arm in or out.
  • Page 39 Setup & Operation Blade Guide Arm Operation FIG. 2-8 CABLE REMOTE ARM 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. Setup &...

  • Page 40: Clutch/Brake Operation

    Setup & Operation Clutch/Brake Operation 2.10 Clutch/Brake Operation 1. Clear any loose objects from the area of the blade, motor, and drive belt. 2. Make sure the clamp and side supports are adjusted below the level of your first few cuts. 3.

  • Page 41: Power Feed Operation

    Setup & Operation Power Feed Operation 2.11 Power Feed Operation IMPORTANT! Between 1982 and 1987, sawmills were equipped with a loop-style 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.
  • Page 42 Setup & Operation Power Feed Operation Power Feed Belt Ratios Changing pulley ratios is done by moving the drive belt to one of three settings on the 3-step pulley. These settings provide three basic ranges of forward speed which are adjustable while in motion with the feed rate control switch.
  • Page 43 Setup & Operation Power Feed Operation 2. Throw the clutch/brake lever UP to stop the blade and drop the engine to idle. Remove the board from the top of the log. CAUTION! Be sure to stop the blade when returning the carriage.

  • Page 44: Cutting The Log

    Cutting The Log 2.12 Cutting The Log The following steps guide you through normal operation of the Wood-Mizer sawmill. 1. Once the log is placed where you want it and clamped firmly turn the key switch to the ACC position.

  • Page 45: Edging

    Setup & Operation Edging 2.13 Edging The following steps guide you through edging boards on the Wood-Mizer sawmill. 1. Raise the side supports to 1/2 the height of the flitches, or the boards that need to be edged. 2. Stack the flitches on edge against the side supports.

  • Page 46: Blade Height Scale

    Setup & Operation Blade Height Scale 2.14 Blade Height Scale See Figure 2-11. The blade height scale is attached to the carriage head frame. It includes: a blade height indicator an inch scale a quarter scale FIG. 2-11 The Inch 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.
  • Page 47 Setup & Operation Blade Height Scale Always check with your customer before you saw to determine what actual finished thick- ness is required. Standard Quarter Scale Scale Actual Board Thickness 1" (25 mm) 1 1/4" (32 mm) 1 5/8" (41 mm) 2 1/8"...

  • Page 48: Water Lube Operation

    Setup & Operation Water Lube Operation 2.15 Water Lube Operation See Figure 2-12. The Water Lube System keeps the blade clean. Water flows from a 5-gallon (18.9 liter) bottle through a hose to the blade guide where the blade enters the log.

  • Page 49: Preparing The Sawmill For Towing

    Preparing The Sawmill For Towing 2.16 Preparing The Sawmill For Towing The Wood-Mizer trailer package makes transporting your sawmill easy and convenient. To get your sawmill ready for towing, follow these instructions. 1. Move the saw carriage to the front end of the sawmill. Raise the rear outriggers.
  • Page 50 6. Hook the carriage safety chain located at the bottom of the carriage to the bracket at the bottom of the mast. See Figure 2-14. FIG. 2-14 7. 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.

  • Page 51: Maintenance

    Maintenance Wear Life SECTION 3 MAINTENANCE This section lists the maintenance procedures that need to be performed. The Short Interval Maintenance Schedule lists procedures that need to be performed every 4, 8 or 25 hours.The Maintenance Log lists procedures that need to be performed every 50, 100, 200, 300, 500, or 1000 hours.

  • Page 52: Blade Guides

    Maintenance Blade Guides Blade Guides See Figure 3-1. 1. Lubricate the blade guide rollers every four hours of operation. Use one squeeze of a NLGI No. 2 grade lithium grease from a grease gun to lubricate the bearings and remove any sawdust.

  • Page 53: Blade Housing

    Maintenance Blade Housing Blade Housing 1. Remove the excess sawdust from the blade wheel 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.

  • Page 54: Carriage Track, Wiper & Scrapers

    Maintenance Carriage Track, Wiper & Scrapers Carriage Track, Wiper & Scrapers See Figure 3-3. 1. Clean the upper and lower track rails to remove any sawdust and sap buildup every eight hours of operation. Lubricate the lower track rail by wiping it with Dexron III ATF. NOTE: Apply a rust inhibitor such as Sherwin-Williams P.D.R.P #710 when the sawmill is not in use.

  • Page 55: Track Rollers

    Maintenance Track Rollers 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 Maintenance 3082doc041610...

  • Page 56: Vertical Mast Rails

    Maintenance Vertical Mast Rails Vertical Mast Rails Clean and lubricate the vertical mast rails every 50 hours of operation. Clean with solvent and remove any rust with a light-grade sand paper or emery cloth. Lubricate the mast with motor oil or automatic transmission fluid (ATF). CAUTION! Never use grease on the mast rails as it will col- lect sawdust.

  • Page 57: Drum Switches

    Drum Switches Lubricate the up/down and power feed drum switch contacts every fifty hours of opera- tion. Use only contact grease supplied by Wood-Mizer. Remove the drum switch cover. Use a cotton swab to apply grease to the switch contact ends.

  • Page 58: Miscellaneous Lubrication

    Maintenance Miscellaneous Lubrication Miscellaneous Lubrication 1. Apply a thin film of a NLGI No. 2 grade lithium grease to the 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.

  • Page 59: Blade Tensioner

    Maintenance Blade Tensioner Blade Tensioner 1. Lubricate the chrome rods of the tensioner system with a heavy duty teflon spray lubri- cant, such as Gunk L508, every fifty hours of operation. 2. Lubricate the tensioner screw handle with a NLGI No. 2 grade lithium grease as needed. See Figure 3-6.

  • Page 60: Blade Wheel Belts

    Maintenance Blade Wheel Belts 3.10 Blade Wheel Belts 1. 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.

  • Page 61: Brake Strap Adjustment

    Maintenance Brake Strap Adjustment 3.11 Brake Strap Adjustment 1. Check the brake strap after the first 20 hours, and every 50 hours thereafter. 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.

  • Page 62: Drive Bearing

    Maintenance Drive Bearing 3.12 Drive Bearing Cylinder Bearing Retrofit Refill the fluid in the drive-side cylinder bearing housing every 1000 hours of operation. Remove the top and bottom oil plugs. Pour an Automatic Transmission Fluid (ATF) such 1000 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.

  • Page 63: Up/Down System

    Drain and refill the gearbox with 8-11 ounces of oil after the first 250 hours of sawmill operation. Repeat every 5000 hours or every 2 years, whichever comes first. Wood-Mizer offers replacement gear oil in 8 ounce bottles. Maintenance...

  • Page 64: Power Feed

    Maintenance Power Feed 3.14 Power Feed IMPORTANT! Sawmills built between 1982 and 1987 were equipped with a loop-style 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.
  • Page 65 Maintenance Power Feed 2. Adjust the power feed chain as needed. Measure the power feed chain tension with the saw head all the way toward the front of the mill. Use the two lock nuts at the rear of the mill to tighten or loosen the power feed chain.

  • Page 66: Miscellaneous Maintenance

    Maintenance Miscellaneous Maintenance 3.15 Miscellaneous Maintenance 1. Check the mill alignment 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.
  • Page 67 LT30/40 Short Interval Maintenance Schedule PROCEDURE MANUAL REFERENCE EVERY 4 HOURS SEE SECTION 3.2 Lubricate Blade Guide Rollers EVERY BLADE CHANGE SEE SECTION 3.2 Check Blade Guide Roller Performance SEE SECTION 3.3 Remove Excess Sawdust From Blade Wheel Housings And Sawdust Chute EVERY 8 HOURS SEE SECTION 3.4 Clean And Lubricate Track...
  • Page 69 WOOD-MIZER LT30/LT40 MAINTENANCE LOG PROCEDURE MANUAL TOTAL HOURS OF OPERATION REFERENCE FILL IN THE DATE AND THE MACHINE HOURS AS YOU PERFORM EACH PROCEDURE. A SHADED BOX INDICATES MAINTENANCE IS NOT NEEDED AT THIS TIME. 50 HRS 100 HRS 150 HRS...
  • Page 70 WOOD-MIZER LT30/LT40 MAINTENANCE LOG PROCEDURE MANUAL TOTAL HOURS OF OPERATION REFERENCE FILL IN THE DATE AND THE MACHINE HOURS AS YOU PERFORM EACH PROCEDURE. A SHADED BOX INDICATES MAINTENANCE IS NOT NEEDED AT THIS TIME. 550 HRS 600 HRS 650 HRS...
  • Page 71 WOOD-MIZER LT30/LT40 MAINTENANCE LOG PROCEDURE MANUAL TOTAL HOURS OF OPERATION REFERENCE FILL IN THE DATE AND THE MACHINE HOURS AS YOU PERFORM EACH PROCEDURE. A SHADED BOX INDICATES MAINTENANCE IS NOT NEEDED AT THIS TIME. 1050 HRS 1100 HRS 1150 HRS...
  • Page 72 WOOD-MIZER LT30/LT40 MAINTENANCE LOG PROCEDURE MANUAL TOTAL HOURS OF OPERATION REFERENCE FILL IN THE DATE AND THE MACHINE HOURS AS YOU PERFORM EACH PROCEDURE. A SHADED BOX INDICATES MAINTENANCE IS NOT NEEDED AT THIS TIME. 1550 HRS 1600 HRS 1650 HRS...
  • Page 73 WOOD-MIZER LT30/LT40 MAINTENANCE LOG PROCEDURE MANUAL TOTAL HOURS OF OPERATION REFERENCE FILL IN THE DATE AND THE MACHINE HOURS AS YOU PERFORM EACH PROCEDURE. A SHADED BOX INDICATES MAINTENANCE IS NOT NEEDED AT THIS TIME. 2050 HRS 2100 HRS 2150 HRS...
  • Page 74 WOOD-MIZER LT30/LT40 MAINTENANCE LOG PROCEDURE MANUAL TOTAL HOURS OF OPERATION REFERENCE FILL IN THE DATE AND THE MACHINE HOURS AS YOU PERFORM EACH PROCEDURE. A SHADED BOX INDICATES MAINTENANCE IS NOT NEEDED AT THIS TIME. 2550 HRS 2600 HRS 2650 HRS...

  • Page 75: Troubleshooting Guide

    Troubleshooting Guide Sawing Problems SECTION 4 TROUBLESHOOTING GUIDE 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 Grind just enough metal to restore too much and causing teeth to sharpness to the teeth.
  • Page 76 Troubleshooting Guide Sawing Problems PROBLEM CAUSE SOLUTION Boards Thick Or Thin On Stress in log which causes log After log has been squared, take equal Ends Or Middle Of Board to not lay flat on the bed cuts off opposing sides. Take a board off the top.

  • Page 77: Electrical Problems

    "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...
  • Page 78 Troubleshooting Guide Electrical Problems Bad fuse Replace Bad connection in battery Check connections Corrosion on battery post Remove connection and clean posts Battery Will Not Stay Charged Key switch left ON Turn switch OFF when not in use Short in system Visually check for bare wires and/or have checked Charging system not function-...

  • Page 79: Power Feed Problems

    Components are loose or Inspect PC board for loose connections wires are broken and components; Send PC board to Wood-Mizer for guaranteed repair Power Feed Is Jerky When Variable speed switch is bad - Replace variable speed switch Shaft Of Feed Rate Dial Is...
  • Page 80 Troubleshooting Guide Power Feed Problems Power feed is binding Adjust belt tension; Check condition of belt, pulleys, bearings, and 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.

  • Page 81: Engine/Motor And Drive Pulleys Alignment

    Troubleshooting Guide Engine/Motor and Drive Pulleys Alignment Engine/Motor and Drive Pulleys Alignment 1. Install the drive belt. 2. Use a straight edge to align the engine/motor pulley to the drive pulley. Also check that the engine pulley is within 1/8" square with the drive pulley. Loosen the engine mounting bolts and rotate the engine if necessary.

  • Page 82: Power Feed Variable Speed Switch Test

    Troubleshooting Guide Power Feed Variable Speed Switch Test Power Feed Variable Speed 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.

  • Page 83: Power Feed Preliminary Test

    Troubleshooting Guide Power Feed Preliminary Test Power Feed Preliminary Test This test will determine if the 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.

  • Page 84: Power Feed Mechanical Test

    Troubleshooting Guide Power Feed Mechanical Test Power Feed Mechanical Test 1. Remove the weight from the track 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.

  • Page 85: Sawmill Alignment

    SECTION 5 SAWMILL ALIGNMENT Pre-Alignment Procedures The Wood-Mizer sawmill is factory aligned. Periodically check the sawmill alignment and adjust if necessary. This chapter explains how to align the entire sawmill. Care should be taken in performing these steps. Sawmill alignment determines the accuracy and square- ness of your cuts.

  • Page 86: Frame Setup

    Sawmill Alignment Frame Setup Frame Setup Stationary sawmills should be setup on firm, level ground before proceeding with align- ment. Shim the feet so the weight of the sawmill is evenly supported. Portable sawmills should also be setup 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.

  • Page 87: Blade Installation And Alignment

    Sawmill Alignment Blade Installation And Alignment Blade Installation And Alignment See Figure 5-1. Install a blade and apply the appropriate tension (See Section 2.4 Ten- sioning The Blade). Blade tension is adjusted with the tension handle shown. FIG. 5-1T-HANDLE BLADE TENSION HANDLE Blade Tensioner Gauge Blade Tensioner...
  • Page 88 Sawmill Alignment Blade Installation And Alignment Check the vertical alignment of the blade wheels. The gullet of the blade should ride the same distance from the front edge of 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.

  • Page 89: Saw Head Slide Pad Adjustment

    Sawmill Alignment Saw Head Slide Pad Adjustment Saw Head Slide Pad Adjustment There are eight nylon pads positioned between the saw head frame and vertical mast. The spacing of the pads is factory set and rarely needs adjusting. To check the pad spac- ing, perform the following steps.
  • Page 90 Sawmill Alignment Saw Head Slide Pad Adjustment FIG. 5-3 5. Loosen the lower locking bolts and turn 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.

  • Page 91: Adjusting The Lower Track Rollers

    Sawmill Alignment Adjusting The Lower Track Rollers Adjusting The Lower Track Rollers Making these adjustments correctly will give you square cuts and accurate dimensions across the width of your boards. 1. Move the saw carriage so the blade is over the rear main bed rail. See Figure 5-4.
  • Page 92 Sawmill Alignment Adjusting The Lower Track Rollers 5. Repeat this step with the blade over the front main bed rail. 6. Move the carriage from the front of the mill to the back. Watch the lower rollers and stop blocks. Make sure the gap between the rail and both stop-blocks never goes over the 1/16-1/8"...

  • Page 93: Adjusting Main Bed Rails To Blade

    Sawmill Alignment Adjusting Main Bed Rails To Blade Adjusting Main Bed Rails To Blade 1. Install the log clamp so it is positioned under the outer blade guide. 2. Move the saw head until the blade is centered over the clamp. 3.
  • Page 94 Sawmill Alignment Adjusting Main Bed Rails To Blade See Figure 5-7. Blade 15“ (375.0 mm) 15“ (375.0 mm) Bed Rail Clamping Bolt Clamping Bolt Adjustment Adjustment Bolt Bolt SM0064 FIG. 5-7 5. Measure the distance between the bottom of the blade and the bed rail at each end of the bed rail.

  • Page 95: Middle Flip Rails

    Sawmill Alignment Middle Flip Rails Middle Flip Rails 1. Without adjusting the saw head height, move the carriage so the blade is over one of the middle flip rails. Use the adjustment bolts to move the rail up or down so they measure the same distance from the blade as the main bed rails.

  • Page 96: Blade Guide Arm Vertical Adjustment

    Sawmill Alignment Blade Guide Arm Vertical Adjustment Blade Guide Arm Vertical Adjustment 1. Move the saw head so that the blade guide arm is directly over a bed rail. 2. Adjust the blade guide arm out to within 1/2" (15 mm) of full open. 3.
  • Page 97 Sawmill Alignment Blade Guide Arm Vertical Adjustment LT30 Revisions K+ LT40 Revisions J+ See Figure 5-10. Turn outside rollers to raise or lower end of blade guide arm SM0065B FIG. 5-10 7. If the arm is too low in the closed position, loosen the lower outside roller and tighten the upper outside roller (See Step 9.) 8.

  • Page 98: Blade Guide Arm Horizontal Adjustment

    Sawmill Alignment Blade Guide Arm Horizontal Adjustment Blade Guide Arm Horizontal Adjustment 1. Put the blade guide assembly back in the arm (if you took it out). Put the assembly back so that the flanged collar on the roller is about 1/8" (3.0 mm) from the back of the blade when the throat is 1/2"...
  • Page 99 Sawmill Alignment Blade Guide Arm Horizontal Adjustment LT30 Revisions K+ LT40 Revisions J+ See Figure 5-12. Adjustment Nuts Adjustment Nuts SM0066 FIG. 5-12 4. Adjusting the inside two rollers (furthest from the arm motor) inward will cause the flange to move toward the blade. 5.

  • Page 100: Aligning The Blade Guides

    Aligning The Blade Guides 5.10 Aligning The Blade Guides Each Wood-Mizer sawmill has two blade guide assemblies that help the blade maintain a straight cut. The two blade guide assemblies are positioned on the saw head to guide the blade on each side of the material being cut.

  • Page 101: Blade Deflection

    Sawmill Alignment Blade Deflection 5.11 Blade Deflection Perform the following steps to achieve proper blade deflection with the blade guides. LT30 Rev. A - K For best sawmill performance, we recommend that the blade guides be adjusted to deflect the blade down. Sawmills built prior to LT30 Rev. L must be upgraded with offset blade guide rollers to allow blade deflection.
  • Page 102 Sawmill Alignment Blade Deflection 2. If necessary, remove the bottom roller originally supplied. You only need a flanged roller on top of the blade at each blade guide locaton. 3. Loosen nuts A and B and push the assembly down until the blade guide deflects the blade down 1/4"...
  • Page 103 Sawmill Alignment Blade Deflection See Figure 5-14. FIG. 5-14 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 guide assembly should be checked with the arm all the way in and all the way out.

  • Page 104: Blade Guide Vertical Tilt Adjustment

    Sawmill Alignment Blade Guide Vertical Tilt Adjustment 5.12 Blade Guide Vertical Tilt Adjustment Check that the blade guide does not tilt the blade up or down. A Blade Guide Alignment Tool (BGAT) is provided to help you measure the vertical tilt of the blade. 1.
  • Page 105 Sawmill Alignment Blade Guide Vertical Tilt Adjustment 8. To tilt the blade up, loosen nut A 1/4 turn and tighten nut C. 9. Recheck the blade tilt with the alignment tool and repeat adjustments in quarter turns until the blade is level. See Figure 5-16.
  • Page 106 Sawmill Alignment Blade Guide Vertical Tilt Adjustment See Figure 5-17. Loosen jam nuts and turn screws to tilt roller up or down SM0070 FIG. 5-17 12. 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"...

  • Page 107: Blade Guide Spacing

    Sawmill Alignment Blade Guide Spacing 5.13 Blade Guide Spacing 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. Adjust the outer blade guide so the blade guide flange is approximately 1/8" (3.0 mm) from the back of the blade.
  • Page 108 Sawmill Alignment Blade Guide Spacing LT30 Rev. J+ LT40 Rev. J+ HINT: When adjusting blade guide spacing, loosen the top set screw and one side set screw only. This will insure horizontal and vertical tilt adjustments are maintained when the set screws are retightened. 5.

  • Page 109: Horizontal Tilt Adjustment

    Sawmill Alignment Horizontal Tilt Adjustment 5.14 Horizontal Tilt Adjustment 1. Finally, both blade guides must be tilted horizontally. Adjust the blade guide arm half way See Figure 5-20. Turn side set screws to adjust horizontal tilt ‘A’ ‘B’ SM0072 FIG. 5-20 2.
  • Page 110 Sawmill Alignment Horizontal Tilt Adjustment LT30 Rev. J+ LT40 Rev. J+ 6. Use the side set screws to adjust the horizontal tilt of the roller. 7. Repeat Steps 2 - 6 for the inner blade guide roller. NOTE: Once the blade guides have been adjusted, any cutting variances are most likely caused by the blade.

  • Page 111: Vertical Adjustment Of Side Supports

    Sawmill Alignment Vertical Adjustment Of Side Supports 5.15 Vertical Adjustment Of Side Supports 1. Place a flat board across the bed rails. 2. Swing a side 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.

  • Page 112: Clamp Stop Adjustment

    Sawmill Alignment Clamp Stop Adjustment 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 5-22. 3. Loosen the clamp stop bolts and adjust the clamp stop until it touches the string. FIG.

  • Page 113: Aligning The Sliding End Rails

    Sawmill Alignment Aligning The Sliding End Rails 5.17 Aligning The Sliding End Rails The two sliding end rails are used when long cants are cut. (Long cants will often bend down at the ends.) The end rails need to be adjusted to the same level as the main bed rails.

  • Page 114: Saw Head Tilt

    Sawmill Alignment Saw Head Tilt 5.18 Saw Head Tilt As the blade enters a wide log or cant, the outside of the saw head will drop down slightly. To compensate for the drop, use the lower track roller horizontal bolts to raise the outside of the saw head 1/16".

  • Page 115: Blade Height Scale Adjustment

    Sawmill Alignment Blade Height Scale Adjustment 5.19 Blade Height Scale Adjustment After the entire sawmill has been aligned and all adjustments made, check that the blade height scale indicates the true distance from the blade to the 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.
  • Page 117 INDEX clamping logs 2-13 clamp extension accessory 2-15 alignment clutch/brake lever blade guide 5-16 operation 2-18 blade installation frame setup lower track rollers main bed rails pivot bed rails 5-29 leveling logs 2-14 sawmill slide pad adjustment loading logs 2-12 battery operation troubleshooting problems...
  • Page 118 INDEX scale blade height adjustment 5-31 blade height operation 2-24 inch height 2-24 quarter inch 2-24 setup portable sawmill sawmill for operation stationary sawmill side supports horizontal adjustment 5-27 vertical adjustment 5-27 switch power feed & up/down maintenance tensioner maintenance track maintenance troubleshooting...

This manual is also suitable for:

1982 lt40

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