Wood-mizer LT40HD-R Safety, Setup, Operation & Maintenance Manual
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Wood-mizer LT40HD-R Safety, Setup, Operation & Maintenance Manual

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Wood-Mizer
Sawmill
Safety, Setup, Operation
& Maintenance Manual
LT40HD Remote
rev. J8.01 - K5.03
Safety is our #1 concern! Read and understand
all safety information and instructions before oper-
ating, setting up or maintaining this machine.
January 2004
Form #1182

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  • Page 1 ® Wood-Mizer Sawmill Safety, Setup, Operation & Maintenance Manual LT40HD Remote rev. J8.01 - K5.03 Safety is our #1 concern! Read and understand all safety information and instructions before oper- ating, setting up or maintaining this machine. January 2004 Form #1182...

  • Page 2: Table Of Contents

    Table of Contents Section-Page SECTION 1 INTRODUCTION About This Manual.................1-1 Getting Service ..................1-2 General Contact Information..........1-2 Branches & Authorized Sales Centers ........1-3 Specifications ..................1-5 Customer and Sawmill Identification.............1-7 SECTION 2 SAFETY Safety Symbols..................2-1 Safety Instructions ..................2-2 SECTION 3 SAWMILL SETUP Stationary Sawmill Setup ...............3-1 Portable Sawmill Setup ................3-5 Replacing The Blade ................3-11...
  • Page 3 Table of Contents Section-Page Miscellaneous ..................5-11 Blade Tensioner..................5-13 Blade Wheel Belts ................5-15 5.10 Brake Strap Adjustment ...............5-16 5.11 Drive Belt Adjustment................5-17 5.12 Hydraulic System .................5-18 5.13 Drive Bearing ..................5-20 5.14 Up/Down System..................5-21 5.15 Power Feed ...................5-24 5.16 Charging The Battery ................5-26 5.17 Control Pivot Lubrication..............5-28 5.18...
  • Page 4 Table of Contents Section-Page SECTION 7 SAWMILL ALIGNMENT Routine Alignment Procedure ..............7-1 Blade Installation..............7-1 Saw Head Tilt................7-2 Blade Guide Arm Alignment ..........7-4 Blade Guide Vertical Tilt Alignment........7-9 Blade Guide Horizontal Tilt Adjustment......7-11 Blade Guide Flange Spacing ..........7-14 Side Support Alignment............7-16 Blade Height Scale Adjustment...........7-18 Complete Alignment Procedure ............7-19 Frame Setup ...............7-19...

  • Page 5: Introduction

    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 and our “Forest to Final Form” products, please refer to the All Products Catalog in your support package.

  • Page 6: Getting Service

    Getting Service Getting Service Wood-Mizer is committed to providing you with the latest technology, best quality and strongest customer service available on the market today. We continually evaluate our customers’ needs to ensure we’re meeting current wood-processing demands. Your com- ments and suggestions are welcome.

  • Page 7: Branches & Authorized Sales Centers

    Wood-Mizer Canada Wood-Mizer Branches Authorized Sales Centers* Branches 2 Wood-Mizer Northeast 6 California 16 Wood-Mizer Canada East 8604 State Route 104 6980 Camp Far West Road Box 173, 1082 #1 Hwy Hannibal, NY 13074 Sheridan, CA 95681 Aylesford, NS B0P 1C0...
  • Page 8 Introduction Branches & Authorized Sales Centers 5 Wood-Mizer Missouri 9 Pennsylvania Authorized Sales Centers* 9664 Lawrence 2130 HCR 75 (Off Old Road 522) NMt. Vernon, MO 65712 Shade Gap, PA 17255 19 Ontario North Phone (417) 466-9500 Phone (814) 259-9976...

  • Page 9: Specifications

    Introduction Specifications Specifications Model: LT40HD-R Rev. J8.00+ Dimensions: Length: 26'-2" Width: 6'-6" Height (Ground To Mast): 7'-8" Height (Max Head Position): 10'-1" Bed Height (Ground To Bed): 30" Weights: Basic Unit (Wet): 3244 lbs 3479 lbs 3491 lbs With Trailer: 3669 lbs...
  • Page 10 Introduction Specifications Model: LT40HD-R Rev. H8.00 - J7.00 Dimensions: Length: 26'-2" Width: 6'-6" Height (Ground To Mast): 7'-8" Height (Max Head Position): 10'-1" Bed Height (Ground To Bed): 30" Weights: Basic Unit (Wet): 3189 lbs 3569 lbs 3479 lbs 3758 lbs...

  • Page 11: Customer And Sawmill Identification

    Customer and Sawmill Identification Customer and Sawmill Identification Each Wood-Mizer sawmill has a model number and a 17-digit Vehicle Identification Num- ber (VIN). In addition, when you pick up your mill, you will receive a customer number. These three numbers will help expedite our service to you. Please locate them now and write them below so you have quick, easy access to them.
  • Page 12 Introduction Customer and Sawmill Identification The model number and V.I.N. can be found in the following locations. HD0133 MODEL NUMBER AND V.I.N. LOCATIONS HD-R04doc041910 Introduction...

  • Page 13: Safety

    Safety Safety Symbols SECTION 2 SAFETY Safety Symbols The following symbols and signal words call your attention to instructions concerning your personal safety. Be sure to observe and follow these instructions. DANGER! indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. WARNING! suggests a potentially hazardous situation which, if not avoided, could result in death or serious injury.

  • Page 14: Safety Instructions

    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.
  • Page 15 Safety Safety Instructions WEAR SAFETY CLOTHING WARNING! Secure all loose clothing and jewelry before operating the sawmill. Failure to do so may result in serious injury or death. WARNING! Always wear gloves and eye protection when handling bandsaw blades. Changing blades is safest when done by one per- son! Keep all other persons away from area when coiling, carrying or changing a blade.
  • Page 16 Failure to do so may result in serious injury. WARNING! Use ONLY water and Wood-Mizer Lube Additive with the water lube accessory. Never use flammable fuels or liquids such as diesel fuel. If these types of liquids are necessary to clean the blade, remove it and clean with a rag.
  • Page 17 Safety Safety Instructions USE CAUTION WHEN WORKING WITH BATTERIES DANGER! Batteries expel explosive gases. Keep sparks, flames, burning cigarettes, or other ignition sources away at all times. Always wear safety goggles and a face shield when working near batteries. Failure to do so will cause serious injury. WARNING! Battery posts, terminals and related accessories con- tain lead and lead compounds, chemicals known to the State of...
  • Page 18 Safety Safety Instructions CAUTIONS FOR SAWMILL SETUP WARNING! Do not set up the mill on ground with more than a 10 degree incline. If setup on an incline is necessary, put blocks under one side of the mill or dig out areas for the outrigger legs to keep mill level.
  • Page 19 Safety Safety Instructions CHECK SAWMILL BEFORE OPERATION DANGER! Make sure all guards and covers are in place and secured before operating or towing the sawmill. Failure to do so may result in serious injury. Be sure the blade housing and pulley covers are in place and secure.
  • Page 20 Safety Safety Instructions 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 persons out of the path of moving equipment and logs when operating sawmill or loading and turning logs. Fail- ure to do so will result in serious injury.
  • Page 21 Safety Safety Instructions KEEP HANDS AWAY DANGER! Always disengage the blade and shut off the sawmill engine before changing the blade. Failure to do so will result in serious injury. DANGER! Engine components can become very hot during opera- tion. Avoid contact with any part of a hot engine. The exhaust com- ponents of your engine are especially hot during and following operation.
  • Page 22 Safety Safety Instructions CAUTIONS FOR GAS OR DIESEL ENGINE OPERATION DANGER! Operate your engine/machine only in well venti- lated areas. The exhaust gases of your engine can cause nausea, delirium and potentially death unless adequate ventilation is present. DANGER! Never operate an engine with a fuel or oil leak. The leaking fuel or oil could potentially come in contact with hot surfaces and ignite into flames.
  • Page 23 Safety Safety Instructions 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! ARC FLASH AND SHOCK HAZARD! Hazardous volt- age inside the electric sawmill disconnect box, starter box, and at the motor can cause shock, burns, or death.
  • Page 24 Safety Safety Instructions 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 Pinch points Kickbacks...
  • Page 25 Safety Safety Instructions 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. All workers shall be instructed in the safety significance of the lockout procedure.
  • Page 26 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 27 Safety Safety Instructions KEEP SAFETY LABELS IN GOOD CONDITION IMPORTANT! Always be sure that all safety decals are clean and readable. Replace all damaged safety decals to prevent personal injury or damage to the equipment. Contact your local distributor, or call your Customer Service Representative to order more decals.
  • Page 28 Safety Safety Instructions UP/DOWN SYSTEM SAFETY WARNING! Always secure the saw head with a 5/16" chain with at least 1900 lbs. working load capacity before adjusting the up/down chain. The saw head may fall, causing severe injury or death. WARNING! Always secure the saw head with a 5/16"...
  • Page 29 Safety Safety Instructions GENERAL TRAILER SAFETY DANGER! Make sure your hitch has adequate safety chain hook- ups. Do not use eyebolts for safety chain hook-up. Safety chains should be hooked to bumper of vehicle so that each chain would pull the trailer equally in the event the hitch became disengaged. Failure to do so may result in serious personal injury and/or severe machine damage.
  • Page 30 Safety Safety Instructions ADDITIONAL SAFETY FOR ELECTRIC BRAKE TRAILERS DANGER! Make sure the electric brake wire is secured as close to the trailer axle as possible to prevent wire disconnection during towing. Failure to do so may result in serious personal injury and/or severe machine damage.

  • Page 31: Sawmill Setup

    Sawmill Setup Stationary Sawmill Setup SECTION 3 SAWMILL SETUP Stationary Sawmill Setup Prepare a firm, level area where the sawmill can be anchored. There should be enough room around the sawmill for operators, sawdust removal, log loading and board removal. A cement pad with 5/8”...
  • Page 32 Sawmill Setup Stationary Sawmill Setup See Figure 3-1. Before moving the saw carriage, remove the cable chain support bracket. 1. Disengage the rubber strap holding the cable chain to the support bracket. 2. Loosen the handles and remove the support bracket from the sawmill track rail. 3.
  • Page 33 Sawmill Setup Stationary Sawmill Setup Before operating the controls on the control box, you will need to pivot the control from its travel position to the operating position. See Figure 3-2. Travel position Operating position Lock Pin 3H0719 FIG. 3-2 4.
  • Page 34 Sawmill Setup Stationary Sawmill Setup 8. Start the engine to enable the battery-operated accessories (See Section 3.6). Use the up/down switch on the control panel to raise the cutting head from the carriage rest pin. Remove the locking pin and swing the rest pin down below bed level. CAUTION! Always make sure the engine is running before operating the sawmill controls.

  • Page 35: Portable Sawmill Setup

    Sawmill Setup Portable Sawmill Setup Portable Sawmill Setup WARNING! Do not set up the mill on ground with more than a 10 degree incline. If setup on an incline is necessary, put blocks under one side of the mill or dig out areas for outrig- ger legs to keep mill level.
  • Page 36 Sawmill Setup Portable Sawmill Setup 1. Unhitch the mill from the vehicle. 2. Lower and set the front three outriggers. To lower, use the provided jack handle to lift the weight from the locking pin. If necessary, rotate the locking pin counterclockwise so that the inner roll pin is free from the outrigger channel notch, then pull the locking pin out to release the outrigger.
  • Page 37 Sawmill Setup Portable Sawmill Setup See Figure 3-5. 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 adjust- ment nut.
  • Page 38 Sawmill Setup Portable Sawmill Setup storage bracket and secure the rubber strap in the bracket hole. Remove strap Loosen handles from cable chain and remove chain support Store chain support on bracket between first and second bed rails 3H0479 FIG. 3-6 HD-R04doc041910 Sawmill Setup...
  • Page 39 Sawmill Setup Portable Sawmill Setup Before operating the controls on the control box, you will need to pivot the control from its travel position to the operating position. See Figure 3-7. Travel position Operating position Lock Pin 3H0719 FIG. 3-7 1.
  • Page 40 Sawmill Setup Portable Sawmill Setup operating the sawmill controls. Operating the controls with- out the engine running will result in power drainage from the battery. 3. Remove the fenders by lifting them out of the slots. CAUTION! To prevent fender damage, remove fenders before operating sawmill or loading logs.

  • Page 41: Replacing The Blade

    Sawmill Setup Replacing The Blade Replacing The Blade DANGER! Always disengage the blade and shut off the sawmill engine before changing the blade. Failure to do so will result in serious injury. WARNING! Always wear gloves and eye protection when handling bandsaw blades.

  • Page 42: Tensioning The Blade

    Sawmill Setup Tensioning The Blade Tensioning The Blade See Figure 3-9. 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 SM0243 FIG. 3-9 See Table 3-1.

  • Page 43: Tracking The Blade

    Sawmill Setup Tracking The Blade Tracking The Blade 1. Make sure the middle blade housing cover is closed and all persons are clear of the open side of the saw head. 2. Start the engine. 3. Engage the blade, rotating the blade until the blade positions itself on the wheels. WARNING! Do not spin the blade wheels by hand.
  • Page 44 Sawmill Setup Tracking The Blade occured while adjusting the cant control. 7. Close the middle blade housing cover and replace the large blade housing covers. DANGER! Make sure all guards and covers are in place and secured before operating or towing the sawmill. Failure to do so may result in serious injury.

  • Page 45: Starting The Engine

    Sawmill Setup Starting The Engine Starting The Engine See the appropriate manual supplied with your specific engine/motor configuration for starting and operating instructions. DANGER! Make sure all guards and covers are in place and secured before operating or towing the sawmill. Failure to do so may result in serious injury.

  • Page 46: Board Return (Optional)

    Sawmill Setup Board Return (Optional) Board Return (Optional) WARNING! The board return is intended to assist a second operator in removing boards quickly. Do not use the board return when operating the sawmill alone. Serious injury, death or damage to the equipment may result. WARNING! Never use the board return table as a platform to stand on.
  • Page 47 Sawmill Setup Board Return (Optional) Install the table at the front of the sawmill bed with the outrigger toward the loading side of the sawmill. See Figure 3-12. Be sure the edge of the table seats in the slot on the bed frame and the table tab seats in the leg bracket.
  • Page 48 Sawmill Setup Board Return (Optional) To activate the board return, remove the retaining pin from the board return storage pin. Remove the pin to allow the arm to drop into its operating position. Return the storage pin to its original location and secure with the retaining pin. See Figure 3-13.
  • Page 49 Sawmill Setup Board Return (Optional) To bypass the board return feature, remove the retaining pin from the board return stor- age pin. Remove the storage pin and lift the board return arm to its storage position (hole in arm aligned with holes in mounting bracket). Replace the storage pin and secure with the retaining pin.

  • Page 50: Sawmill Operation

    Sawmill Operation Hydraulic Control Operation SECTION 4 SAWMILL OPERATION Hydraulic Control Operation The hydraulic control levers become operational when the contacts 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 enough to the front end of the mill to touch the power strip.
  • Page 51 Sawmill Operation Hydraulic Control Operation 1. Move the clamp out and down so it will not get in the way of logs being loaded onto the bed. Lower the clamp in/out lever to move the clamp out toward the loading side of the saw- mill.

  • Page 52: Loading, Turning And Clamping Logs

    Sawmill Operation Loading, Turning And Clamping Logs Loading, Turning And Clamping Logs To Load Logs 1. Move the saw carriage to the front end of the frame. CAUTION! Before loading a log, be sure the cutting head is moved far enough forward so the log does not hit it. Failure to do so may result in machine damage.
  • Page 53 Sawmill Operation Loading, Turning And Clamping Logs To Turn Logs 1. Raise the turner lever to engage the log turner arm. Let the arm rise until it touches the log and starts to turn it. 2. Spin the log against the side supports until it is turned the way you want it for the first cut. 3.
  • Page 54 Sawmill Operation Loading, Turning And Clamping Logs To Level A Tapered Log Use the toe board lever(s) to raise either end of a tapered log, if desired.Raise the appro- priate lever to raise the front or rear toe board until the heart of the log measures the same distance from the bed rails at each end of the log.

  • Page 55: Up/Down Operation

    Sawmill Operation Up/Down Operation Up/Down Operation This section describes operation of the up/down system with the standard controls. See the operation section of the Setworks or Accuset manual for alternate instructions for operating the up/down system. 1. Install a blade, if needed, and check for correct blade tension. (See Section 3.3).

  • Page 56: Blade Guide Arm Operation

    Sawmill 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). 2.

  • Page 57: Autoclutch Operation

    Sawmill Operation Autoclutch Operation Autoclutch Operation Remote sawmills are equipped with the Autoclutch feature that remotely engages/disen- gages the blade using a switch on the control box. See the separate Autoclutch manual for operating instructions. Sawmill Operation HD-R04doc041910...

  • Page 58: Power Feed Operation

    Sawmill Operation Power Feed Operation Power Feed Operation See Figure 4-4. The power feed system moves the carriage forward and backward by using two switches on the control panel. Carriage Forward Carriage Reverse Forward Feed Rate 3H0280 FIG. 4-4 Carriage Feed Rate The carriage feed rate switch controls the speed at which the carriage travels forward.
  • Page 59 Sawmill Operation Power Feed Operation WARNING! Be sure the power feed switch is in the neutral position before turning the key switch to the on (#1) or accessory (#3) position. This prevents accidental carriage movement which may cause serious injury or death. Using The Power Feed 1.

  • Page 60: Cutting The Log

    Sawmill Operation Cutting The Log Cutting The Log The following steps guide you through normal operation of the Wood-Mizer sawmill. NOTE: If you want to use the optional board return function, install the board return table and move the board return arm from its storage position.
  • Page 61 Sawmill Operation Cutting The Log 9. Lower the toe boards, if they were used. Use the hydraulic levers to release the clamp and engage the log turner. Turn the log 90 or 180 degrees. Make sure the flat on the log is placed flat against side supports if turned 90 degrees.

  • Page 62: Edging

    Sawmill Operation Edging 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 63: Blade Height Scale

    Sawmill Operation Blade Height Scale Blade Height Scale See Figure 4-5. The blade height scale is attached to the carriage head frame. It includes: a blade height indicator an inch scale a quarter scale Blade Height Indicator Quarter Scale Inch Scale 3H0893 FIG.
  • Page 64 Sawmill Operation Blade Height Scale The Quarter Scale See Table 4-1. Two quarter scales are provided with four sets of marks. Each set repre- sents a specific lumber thickness. Saw kerf and shrinkage allowance are included, but actual board thickness will vary slightly depending on blade thickness and tooth set. To choose which scale to use, determine what finished thickness you want to end up with.

  • Page 65: Water Lube Operation

    15 seconds. This will clean the blade of sap buildup. Wipe the blade dry with a rag before storing or sharpening. For further lubrication benefits, add one 12oz. bottle of Wood-Mizer Lube Additive to 5 gallons of water. Wood-Mizer Lube Additive enables some previously impossible timbers to be cut by significantly reducing resin buildup on the blade.
  • Page 66 Sawmill Operation Water Lube Operation If you are sawing in freezing temperatures, remove the water lube bottle from the sawmill when done sawing and store it in a warm place. Blow any remaining water from the water lube hose. If your sawmill is equipped with the optional LubeMizer System, see the separate LubeM- izer System manual for operation instructions.

  • Page 67: Preparing The Sawmill For Towing

    Preparing The Sawmill For Towing 4.11 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. NOTE: If you your sawmill is equipped with an optional board return, return the board return arm to its storage posi- tion before towing the sawmill.
  • Page 68 Sawmill Operation Preparing The Sawmill For Towing CAUTION! Do not adjust the FAO outrigger base height while there is weight on the FAO. Damage to the FAO may result. 4-19 HD-R04doc041910 Sawmill Operation...
  • Page 69 Sawmill Operation Preparing The Sawmill For Towing 2. Move the clamp all the way in toward the main bed frame tube. CAUTION! Move the hydraulic clamp and turner to provide maximum ground clearance before towing. Failure to do so may result in damage to the sawmill. 3.
  • Page 70 Sawmill Operation Preparing The Sawmill For Towing 9. Continue lowering the head 3/4" (19mm) until it contacts the stop blocks on the mast rails. CAUTION! It is important that the lower stop bolts are prop- erly adjusted to secure the carriage on the track rail. Failure to properly adjust the stop bolts can cause saw head dam- age, especially during mill transportation.
  • Page 71 Sawmill Operation Preparing The Sawmill For Towing 12. Remove the locking pin and pivot the control box to its traveling position. Replace the locking pin to secure the control box in position. 13. Place the chain support bracket under the cable chain, located between the first and sec- ond bed rails.
  • Page 72 Sawmill Operation Preparing The Sawmill For Towing See Figure 4-11. FIG. 4-11 CAUTION! Check to be sure the saw head safety chain is secured before towing the sawmill. Failure to properly secure the saw head can result in severe machine damage. Be sure the blade housing and pulley covers are in place and secure.

  • Page 73: Maintenance

    Wear Life SECTION 5 MAINTENANCE This section lists the maintenance procedures that need to be performed. See the Maintenance Log located after this section for a complete list of maintenance procedures and intervals. Keep track of machine maintenance by filling in the machine hours and the date you perform each procedure.

  • Page 74: Blade Guides

    Maintenance Blade Guides Blade Guides WARNING! Before performing service near moving parts such as blades, pulleys, motors, belts and chains, first turn the key switch to the OFF (#0) position and remove the key. If the key is turned on and moving parts activated, serious injury may result.
  • Page 75 Maintenance Blade Guides See Figure 5-1. LT40HD Rev. K3.01+: To adjust the top block down, loosen the clamp bolt and mounting bolt. Turn the adjust- ment bolt clockwise. Retighten the mounting bolt and clamp bolt. To adjust the bottom block up, loosen the clamp bolt and mounting bolt. Use the provided adjustment tool to turn the adjustment screw clockwise.
  • Page 76 Preventing sap buildup on the blade is critical when using the high-performance blade guide system. If the wood you are sawing leaves sap buildup using plain water in the blade lube system, use Wood-Mizer lube additive (4-Pak 60 oz. bottles part no. ADD-1). HD-R04doc041910...
  • Page 77 Maintenance Blade Guides 4. Make sure the blade screw in the top center of the C-frame is 1/16" (1.5 mm) away from the blade. If not, loosen the nut and adjust the screw as necessary. Check the screw every 500 hours of operation. Failing to maintain this adjustment will lead to early blade breakage.

  • Page 78: Sawdust Removal

    Maintenance Sawdust Removal Sawdust Removal WARNING! Before performing service near moving parts such as blades, pulleys, motors, belts and chains, first turn the key switch to the OFF (#0) position and remove the key. If the key is turned on and moving parts activated, serious injury may result.

  • Page 79: Carriage Track, Wiper & Scrapers

    Maintenance Carriage Track, Wiper & Scrapers Carriage Track, Wiper & Scrapers WARNING! Before performing service near moving parts such as blades, pulleys, motors, belts and chains, first turn the key switch to the OFF (#0) position and remove the key. If the key is turned on and moving parts activated, serious injury may result.
  • Page 80 Maintenance Carriage Track, Wiper & Scrapers 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 screw, push the scraper downward until it fits firmly against the rail, and retighten the screw. Carriage track Remove track wiper, clean...

  • Page 81: Vertical Mast Rails

    Maintenance Vertical Mast Rails Vertical Mast Rails WARNING! Before performing service near moving parts such as blades, pulleys, motors, belts and chains, first turn the key switch to the OFF (#0) position and remove the key. If the key is turned on and moving parts activated, serious injury may result.

  • Page 82: Drum Switches

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

  • Page 83: Miscellaneous

    Maintenance Miscellaneous Miscellaneous WARNING! Before performing service near moving parts such as blades, pulleys, motors, belts and chains, first turn the key switch to the OFF (#0) position and remove the key. If the key is turned on and moving parts activated, serious injury may result.
  • Page 84 Maintenance Miscellaneous 6. Check the mill alignment every setup (See Section 7. Make sure all safety warning decals are readable. Remove sawdust and dirt. Replace any damaged or unreadable decals immediately. Order decals from your Customer Service Representative. 5-12 HD-R04doc041910 Maintenance...

  • Page 85: Blade Tensioner

    Maintenance Blade Tensioner Blade Tensioner WARNING! Before performing service near moving parts such as blades, pulleys, motors, belts and chains, first turn the key switch to the OFF (#0) position and remove the key. If the key is turned on and moving parts activated, serious injury may result.
  • Page 86 Maintenance Blade Tensioner See Figure 5-7. Add an Automatic Transmission Fluid (ATF) such as Dexron III ATF to the hydraulic blade tensioner as needed. To add enough fluid to completely fill the ten- sioner block: 1. Unscrew the tensioner handle to reveal 2” of thread. Remove the sawmill blade housing covers and blade.

  • Page 87: Blade Wheel Belts

    Maintenance Blade Wheel Belts Blade Wheel Belts WARNING! Before performing service near moving parts such as blades, pulleys, motors, belts and chains, first turn the key switch to the OFF (#0) position and remove the key. If the key is turned on and moving parts activated, serious injury may result.

  • Page 88: Brake Strap Adjustment

    Maintenance Brake Strap Adjustment 5.10 Brake Strap Adjustment WARNING! Before performing service near moving parts such as blades, pulleys, motors, belts and chains, first turn the key switch to the OFF (#0) position and remove the key. If the key is turned on and moving parts activated, serious injury may result.

  • Page 89: Drive Belt Adjustment

    Maintenance Drive Belt Adjustment 5.11 Drive Belt Adjustment Remote sawmills are equipped with the Autoclutch feature that remotely engages/disen- gages the blade using a switch on the control box. See the separate Autoclutch manual for adjustment instructions. WARNING! Disconnect and lockout power before perform- ing any service to the electrical system.

  • Page 90: Hydraulic System

    Maintenance Hydraulic System 5.12 Hydraulic System WARNING! Disconnect and lockout power before perform- ing any service to the electrical system. For battery-pow- ered equipment, disconnect the negative battery terminal cable. Failure to do so may result in injury and/or electrical system damage.
  • Page 91 Maintenance Hydraulic System 3. Inspect the hydraulic pump motor brushes every 750 hours 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”.

  • Page 92: Drive Bearing

    Maintenance Drive Bearing 5.13 Drive Bearing WARNING! Before performing service near moving parts such as blades, pulleys, motors, belts and chains, first turn the key switch to the OFF (#0) position and remove the key. If the key is turned on and moving parts activated, serious injury may result.

  • Page 93: Up/Down System

    Maintenance Up/Down System 5.14 Up/Down System WARNING! Before performing service near moving parts such as blades, pulleys, motors, belts and chains, first turn the key switch to the OFF (#0) position and remove the key. If the key is turned on and moving parts activated, serious injury may result.
  • Page 94 Maintenance Up/Down System 1. Grease the up/down gear reducer shaft bearing with a NLGI No. 2 grade lithium grease every 1000 hours of operation. 1000 See Figure 5-12. FIG. 5-12 2. Adjust the up/down belt as needed. Remove the up/down housing cover. To tighten the belt, loosen the motor mount nuts.
  • Page 95 Rev. K1.00, D33/D34/D35/D36/G36 models: Drain and refill the gearbox with 24 ounces of oil after every 5000 hours of sawmill operation or every 2 years, whichever comes first. Wood-Mizer offers replacement gear oil in 8 ounce bottles. Maintenance HD-R04doc041910 5-23...

  • Page 96: Power Feed

    Maintenance Power Feed 5.15 Power Feed WARNING! Before performing service near moving parts such as blades, pulleys, motors, belts and chains, first turn the key switch to the OFF (#0) position and remove the key. If the key is turned on and moving parts activated, serious injury may result.
  • Page 97 Maintenance Power Feed See Figure 5-15. 3H0018B Feed Chain Adjustment Nuts FIG. 5-15 Maintenance HD-R04doc041910 5-25...

  • Page 98: Charging The Battery

    Maintenance Charging The Battery 5.16 Charging The Battery DANGER! Batteries expel explosive gases. Keep sparks, flames, burning cigarettes, or other ignition sources away at all times. Always wear safety goggles and a face shield when working near batteries. Failure to do so will cause serious injury.
  • Page 99 Maintenance Charging The Battery CAUTION! Be sure the battery is fully charged before transporting the sawmill. If the battery is not fully charged, excessive vibration could reduce the overall service life of the battery. NOTE: A fuse terminal extension stud is provided in the fuse box.

  • Page 100: Control Pivot Lubrication

    Maintenance Control Pivot Lubrication 5.17 Control Pivot Lubrication WARNING! Before performing service near moving parts such as blades, pulleys, motors, belts and chains, first turn the key switch to the OFF (#0) position and remove the key. If the key is turned on and moving parts activated, serious injury may result.

  • Page 101: Remote Cable Chain & Support Tray

    Maintenance Remote Cable Chain & Support Tray 5.18 Remote Cable Chain & Support Tray WARNING! Before performing service near moving parts such as blades, pulleys, motors, belts and chains, first turn the key switch to the OFF (#0) position and remove the key. If the key is turned on and moving parts activated, serious injury may result.
  • Page 102 Maintenance Remote Cable Chain & Support Tray 1. The chain should travel in a straight line. Traveling at an angle will cause the chain to pre- maturely wear and break. Check the alignment of the chain by measuring from the saw- mill frame tube to the center of the chain at the top and bottom.
  • Page 103 Maintenance Remote Cable Chain & Support Tray 2. The chain support tray must be level to prevent premature wear of the chain. Use a square to check the angle of the tray to the sawmill frame. Check at several locations along the length of the tray.

  • Page 104: Maintenance Log

    MAINTENANCE LOG (Check Engine And Option Manuals For Additional Maintenance Procedures) Check Blade Guide Block/Roller Wear See Section 5.2 Daily - Every Blade Change Remove Excess Sawdust From Blade Wheel Hous- See Section 5.3 Daily - Every Blade Change DAILY MAINTENANCE PROCEDURES ings And Sawdust Chute Inspect Fingers Inside Sawdust Chute See Section 5.3...
  • Page 105 MAINTENANCE LOG (Check Engine And Option Manuals For Additional Maintenance Procedures) TOTAL HOURS OF OPERATION MANUAL FILL IN THE DATE AND THE MACHINE HOURS AS YOU PERFORM EACH PROCEDURE. PROCEDURE REFERENCE A SHADED BOX INDICATES MAINTENANCE IS NOT NEEDED AT THIS TIME. 550 HRS 600 HRS 650 HRS...
  • Page 106 MAINTENANCE LOG (Check Engine And Option Manuals For Additional Maintenance Procedures) TOTAL HOURS OF OPERATION MANUAL FILL IN THE DATE AND THE MACHINE HOURS AS YOU PERFORM EACH PROCEDURE. PROCEDURE REFERENCE A SHADED BOX INDICATES MAINTENANCE IS NOT NEEDED AT THIS TIME. 1050 HRS 1100 HRS 1150 HRS...
  • Page 107 MAINTENANCE LOG (Check Engine And Option Manuals For Additional Maintenance Procedures) TOTAL HOURS OF OPERATION MANUAL FILL IN THE DATE AND THE MACHINE HOURS AS YOU PERFORM EACH PROCEDURE. PROCEDURE REFERENCE A SHADED BOX INDICATES MAINTENANCE IS NOT NEEDED AT THIS TIME. 1550 HRS 1600 HRS 1650 HRS...
  • Page 108 MAINTENANCE LOG (Check Engine And Option Manuals For Additional Maintenance Procedures) TOTAL HOURS OF OPERATION MANUAL FILL IN THE DATE AND THE MACHINE HOURS AS YOU PERFORM EACH PROCEDURE. PROCEDURE REFERENCE A SHADED BOX INDICATES MAINTENANCE IS NOT NEEDED AT THIS TIME. 2050 HRS 2100 HRS 2150 HRS...
  • Page 109 MAINTENANCE LOG (Check Engine And Option Manuals For Additional Maintenance Procedures) TOTAL HOURS OF OPERATION MANUAL FILL IN THE DATE AND THE MACHINE HOURS AS YOU PERFORM EACH PROCEDURE. PROCEDURE REFERENCE A SHADED BOX INDICATES MAINTENANCE IS NOT NEEDED AT THIS TIME. 2550 HRS 2600 HRS 2650 HRS...

  • Page 110: Troubleshooting Guide

    Troubleshooting Guide Sawing Problems SECTION 6 TROUBLESHOOTING GUIDE Sawing Problems WARNING! Before performing service near moving parts such as blades, pulleys, motors, belts and chains, first turn the key switch to the OFF (#0) position and remove the key. If the key is turned on and moving parts activated, serious injury may result.
  • Page 111 Troubleshooting Guide Sawing Problems PROBLEM CAUSE SOLUTION Boards Thick Or Thin On Stress in log which causes log After log has been squared, take Ends Or Middle Of Board. to not lay flat on the bed. equal cuts off opposing sides. Take a board off the top.

  • Page 112: Electrical Problems

    Replace drum switch or remove control panel cover and clean and lubri- cate 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"...
  • Page 113 Troubleshooting Guide Electrical Problems PROBLEM CAUSE SOLUTION Up/Down Or Power Feed System overload or bind Correct problem (See Section 6.4 Motors Overheat And Lose occurred. Allow motor to cool before restarting. Power. Normal operation factors Allow motor to cool before restarting. exceeded (eg: up/down con- trol jockeyed excessively).

  • Page 114: Fuse Terminal Extension Stud

    Troubleshooting Guide Fuse Terminal Extension Stud Fuse Terminal Extension Stud LT40HD Remote Rev. J8.01 - K4.01 A fuse terminal extension stud is provided in the fuse box. The extension may be used to temporarily connect a battery charger or jumper cables to raise the saw head from the towing position so the battery box lid can be removed.
  • Page 115 Troubleshooting Guide LT40HD Remote Rev. J8.01 - K4.01 3. Attach the positive cable from a battery charger or jumper cables to the extension stud. 4. Connect the negative cable from the charger or jumper cables to a grounded metal sur- face.

  • Page 116: Circuit Breaker Operation

    Troubleshooting Guide Circuit Breaker Operation Circuit Breaker Operation Sawmill controls are equipped with manual reset circuit breakers to protect the electrical circuits. See Figure 6-2. Rev. K5.00 - K5.03+: The power feed, up/down, keyswitch and auto- clutch breakers are externally mounted at the side of the remote junction box. Autoclutch Up/Down &...
  • Page 117 Troubleshooting Guide Circuit Breaker Operation See Figure 6-3. Prior to Rev. K5.00: The power feed, up/down, and autoclutch breakers are externally mounted at the side of the remote junction box. A keyswitch breaker is located inside the remote junction box. Up/Down Power Feed Autoclutch...
  • Page 118 Troubleshooting Guide Circuit Breaker Operation See Figure 6-4. 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. NOTE: If the breaker is still hot, you may not be able to reset it immediately.

  • Page 119: Power Feed Problems

    Drum switch is dirty. Clean drum switch and lubricate Speeds Or Does Not Move with contact grease supplied by Until Speed Is Above Halfway Wood-Mizer. Mark. Drum switch contacts are bad Check that contacts are in good condition and positively close cir- cuit.
  • Page 120 Troubleshooting Guide Power Feed Problems PROBLEM CAUSE SOLUTION 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.

  • Page 121: Power Feed Circuit Troubleshooting

    Troubleshooting Guide Power Feed Circuit Troubleshooting Power Feed Circuit Troubleshooting LT40HD Remote Rev. J8.01 - K4.01 NOTE: The power feed motor is controlled by the dual-axis Accuset 2 control module, eliminating the power feed circuit board (Rev. K5.00). See Accuset 2 option manual troubleshooting instructions.
  • Page 122 Troubleshooting Guide Power Feed Circuit Troubleshooting OUT - This light normally dims and brightens at the same rate as the IN light when the feed rate switch is turned up and down. If the OUT light does not correspond with the IN light, look to see if OV or OL lights are coming on.

  • Page 123: Power Feed Variable Feed Rate Switch Test

    Troubleshooting Guide Power Feed Variable Feed Rate Switch Test Power Feed Variable Feed 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. Repeat several times.

  • Page 124: Power Feed Preliminary Test

    Troubleshooting Guide Power Feed Preliminary Test Power Feed Preliminary Test This test will determine if the problem is mechanical or electrical. 1. Remove the drive belt from the power feed drive pulley. 2. Turn the key switch to the ACC position. Put the carriage forward/reverse switch into the forward position and turn the feed rate dial through all speeds.

  • Page 125: 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 126: Hydraulic Problems

    Tapping on solenoid may fix tem- troubleshooting solenoid porarily. Replace solenoid if necessary. NOTE: The solenoid is not a standard automotive type. Order from Wood-Mizer only Defective pump motor Remove motor from pump and inspect. Repair or replace as necessary 6-17...
  • Page 127 Troubleshooting Guide Hydraulic Problems PROBLEM CAUSE SOLUTION You Can Get Response From Valve assembly switch con- Locate the valve switch at the bottom the Pump By Actuating All tacts are not properly of the valve assembly. Use a 3MM But One or Two Handles adjusted allen wrench to loosen the set screw on each of the five switch contacts.
  • Page 128 Troubleshooting Guide Hydraulic Problems PROBLEM CAUSE SOLUTION Hydraulic Side Supports Go Dirt in sequence valve Remove sequence valves and clean Down Before Or At Same thoroughly with kerosene. NOTE: Be Time As Log Turner sure to reassemble the valve and install it in its original position on the cylinder Retainer in sequence valve...
  • Page 129 Troubleshooting Guide Hydraulic Problems PROBLEM CAUSE SOLUTION Hydraulic Toe Boards Can be a result of shock load INITIAL CHECK "Creep" UP without the caused by improperly using To check, disconnect the toe board valve control handles being the toe boards to "cushion" hydraulic hose from its current valve operated.
  • Page 130 Troubleshooting Guide Hydraulic Problems PROBLEM CAUSE SOLUTION Hydraulic Toe Boards or Can be a result of shock load INITIAL CHECK Clamp "Creep" DOWN with- caused by improperly using To check, disconnect the toe board out the valve control han- the toe boards or clamp to hydraulic hose from its current valve dles being operated OR do "cushion"...
  • Page 131 Troubleshooting Guide Hydraulic Problems PROBLEM CAUSE SOLUTION Pump runs but makes Low fluid level Check fluid level and add fluid as nec- “growling” sound and essary. Check for leaks in the system hydraulic functions are slow, at the control box fittings, hoses and jerky or don’t work at all.

  • Page 132: Hydraulic Pressure Test

    Troubleshooting Guide Hydraulic Pressure Test 6.11 Hydraulic Pressure Test To check hydraulic pressure: 1. Disconnect power from the pump by moving the saw head forward until it no longer con- tacts the power strip. 2. Locate the loading arm port fitting on the hydraulic valve body. Disconnect the hydraulic hose from the fitting and install a gauge to the fitting.
  • Page 133 Troubleshooting Guide Hydraulic Pressure Test 3. Restore power to the pump by moving the saw head back until it contacts the power strip. 4. Operate the loading arm hydraulic lever and read the pressure on the gauge. Hydraulic pressure is factory-set at 2000 ±100 psi and should not need to be readjusted. The relief valve adjustment screw shown may be used to fine-tune the hydraulic pressure: Remove the adjustment screw nut.

  • Page 134: Engine/Motor And Drive Pulleys Alignment

    Troubleshooting Guide Engine/Motor and Drive Pulleys Alignment 6.12 Engine/Motor and Drive Pulleys Alignment WARNING! Before performing service near moving parts such as blades, pulleys, motors, belts and chains, first turn the key switch to the OFF (#0) position and remove the key. If the key is turned on and moving parts activated, serious injury may result.

  • Page 135: Sawmill Alignment

    Routine Alignment Procedure SECTION 7 SAWMILL ALIGNMENT The Wood-Mizer sawmill is factory aligned. Two alignment procedures are available to realign the sawmill if necessary. The Routine Alignment instructions should be performed as necessary to solve sawing problems not related to blade performance. The Complete Alignment procedure should be performed approximately every 1500 hours of operation (sooner if you regularly transport the sawmill over rough terrain).

  • Page 136: Saw Head Tilt

    Sawmill Alignment Routine Alignment Procedure 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, the saw head is adjusted 1/16" (1.5 mm) higher at the out- side.
  • Page 137 Sawmill Alignment Routine Alignment Procedure See Figure 7-2. To adjust the saw head tilt, use the horizontal adjustment nuts. To raise the outside of the saw head, loosen the four inner adjustment nuts 1/4 turn and tighten the four outer nuts. Recheck the measurement from the blade to the bed rails and adjust the horizontal adjustment nuts until the outside of the saw head is 1/16"...

  • Page 138: Blade Guide Arm Alignment

    Sawmill Alignment Routine Alignment Procedure Blade Guide Arm Alignment The blade guide arm moves the outer blade guide in and out. If the arm becomes loose, the blade guide will not deflect the blade properly, causing inaccurate cuts. A loose blade guide arm can also cause blade vibration.
  • Page 139 Sawmill Alignment Routine Alignment Procedure After tightening the blade guide arm rollers, check that the arm is aligned properly. 3. With the arm adjusted 1/2" (15 mm) from fully closed, measure the distance between the blade guide roller flange and the back of the blade. See Figure 7-4.
  • Page 140 Sawmill Alignment Routine Alignment Procedure See Figure 7-5. To tilt the arm in toward the blade, loosen the front nuts on the outer roll- ers and tighten the rear nuts. To tilt the arm out away from the blade, loosen the rear nuts on the outer rollers and tighten the front nuts.
  • Page 141 Sawmill Alignment Routine Alignment Procedure See Figure 7-6. Measure from blade guide arm to bed rail with arm open and closed 3H0802-11 FIG. 7-6 7. Adjust the blade guide arm to 1/2" (15 mm) from fully open. Measure the distance from the bottom of the blade guide mounting block to the bed rail.
  • Page 142 Sawmill Alignment Routine Alignment Procedure See Figure 7-7. Remove the blade housing cover to access the blade guide arm roller mounting bolts. To adjust the rollers, loosen the jam nuts on the other side of the blade housing and turn the mounting bolts. To tilt the blade guide arm down, adjust the outer top and bottom rollers up.

  • Page 143: Blade Guide Vertical Tilt Alignment

    Sawmill Alignment Routine Alignment Procedure Blade Guide Vertical Tilt Alignment The blade guides should be adjusted properly in the vertical plane. If the blade guides are tilted vertically, the blade will try to travel in the tilted direction. A Blade Guide Alignment Tool (BGAT) is provided to help you measure the vertical tilt of the blade.
  • Page 144 Sawmill Alignment Routine Alignment Procedure See Figure 7-9. Loosen the jam nuts on the top and bottom vertical tilt adjustment screws. To tilt the roller up, loosen the bottom screw and tighten top screw. To tilt the roller down, loosen the top screw and tighten the bottom screw. Tighten the jam nuts and recheck the tilt of the blade.

  • Page 145: Blade Guide Horizontal Tilt Adjustment

    Sawmill Alignment Routine Alignment Procedure Blade Guide Horizontal Tilt Adjustment If the blade guides are tilted in the wrong direction horizontally, the back of the blade may contact the flange as the roller is spinning down, causing it to push the blade away from the guide roller.
  • Page 146 Sawmill Alignment Routine Alignment Procedure 3H0802-19B Blade Guide Alignment Tool FIG. 7-10 PRIOR TO LT40HD REV. K3.01 10. Measure between the back edge of the blade and the tool at the end closest to the inner blade guide ("B"). 11. Measure between the back edge of the blade and the other end of the tool ("A"). The roller should be tilted slightly to the left (’A’...
  • Page 147 Sawmill Alignment Routine Alignment Procedure See Figure 7-11. Loosen the jam nuts on the horizontal tilt adjustment screws. To tilt the roller left, loosen the right screw and tighten left 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.

  • Page 148: Blade Guide Flange Spacing

    Sawmill Alignment Routine Alignment Procedure Blade Guide Flange Spacing Each blade guide must be adjusted so the roller flange is the correct distance from the back edge of the blade. If the flange is too close to or too far from the blade, the sawmill will not cut accurately.
  • Page 149 Sawmill Alignment Routine Alignment Procedure Loosen top and one side adjustment screw 1/16” (Inner Blade Guide) 1/8” (Outer Blade Guide) 3H0802-6D FIG. 7-12 PRIOR TO LT40HD REV. K3.01 2. Measure the distance between the flange on the inner blade guide roller to the back edge of the blade.

  • Page 150: Side Support Alignment

    Sawmill Alignment Routine Alignment Procedure Side Support Alignment Logs and boards are clamped against the side supports when sawing. The sides supports must be square to the bed to ensure square lumber. 1. Swing a side support down and measure between the face of the support and the main bed tube.
  • Page 151 Sawmill Alignment Routine Alignment Procedure See Figure 7-14. Loosen the side support mounting bolt. Use a 3/8" ratchet to rotate the pin until the side support is square to the bed. Alignment Tubes (2) Place square against side support Loosen mounting bolt SM0272-1 Use 3/8”...

  • Page 152: Blade Height Scale Adjustment

    Sawmill Alignment Routine Alignment Procedure 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 carriage so the blade is positioned directly above one of the bed rails. Mea- sure from the bottom edge on a down-set tooth of the blade to the top of the bed rail, near the inner blade guide assembly.

  • Page 153: Complete Alignment Procedure

    Sawmill Alignment Complete Alignment Procedure Complete Alignment Procedure Frame Setup Before performing the following alignment procedures, setup the mill on firm, level ground. If your sawmill is stationary, with no trailer axle, shim the feet so the weight of the sawmill is evenly supported.

  • Page 154: Blade Installation

    Sawmill Alignment Complete Alignment Procedure Blade Installation 1. Remove the blade and replace the blade wheel belts. New blade wheel belts are required to perform the complete alignment procedure. 2. Blow sawdust off of the blade guide assemblies. Remove sawdust from the blade hous- ings.

  • Page 155: Saw Head Slide Pad Adjustment

    Sawmill Alignment Complete Alignment Procedure 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 156 Sawmill Alignment Complete Alignment Procedure 3. To adjust the spacing of the upper set of pads, lower the saw head until you can access the upper slide pad adjustment bolts. 4. Loosen the upper locking bolts and turn the adjusting bolt as necessary to provide the pad spacing described in Step 1.

  • Page 157: Blade Wheel Alignment

    Sawmill Alignment Complete Alignment Procedure Blade Wheel Alignment The blade wheels should be adjusted so they are level in the vertical and horizontal planes. If the blade wheels are tilted up or down, the blade will want to travel in the tilted direction.
  • Page 158 Sawmill Alignment Complete Alignment Procedure Adjust vertical adjustment screws up to tilt drive-side blade wheel up; Adjust screws down to tilt wheel down Blade Guide Alignment Tool 3H0802-12 FIG. 7-18 5. Recheck the vertical tilt of the drive-side blade wheel with the blade guide alignment tool. Readjust the blade wheel as necessary until the front and rear of the tool are the same distance from the bed rail (within 1/16"...
  • Page 159 Sawmill Alignment Complete Alignment Procedure Adjust vertical adjustment screws up to tilt idle-side blade wheel down; Adjust screws down to tilt wheel up 3H0802-13 FIG. 7-19 8. Recheck the vertical tilt of the idle-side blade wheel with the blade guide alignment tool. Readjust the blade wheel as necessary until the front and rear of the tool are the same distance from the bed rail (within 1/16"...
  • Page 160 Sawmill Alignment Complete Alignment Procedure 9. Check the position of the blade on the idle-side blade wheel. See Figure 7-20. The horizontal tilt of the blade wheel should be adjusted so that the gul- let of an 1-1/4" blade is 1/8" (3 mm) out from the front edge of the wheel (±1/16 [1.5 mm]). The gullet of an 1-1/2"...
  • Page 161 Sawmill Alignment Complete Alignment Procedure 10. Check the position of the blade on the drive-side blade wheel. The blade should be posi- tioned on the wheel as described for the idle-side blade wheel. Adjust the drive-side blade wheel if necessary. See Figure 7-22.

  • Page 162: Track Roller Adjustment

    Sawmill Alignment Complete Alignment Procedure Track Roller Adjustment Making these adjustments correctly will insure the saw carriage travels smoothly along the track and blade will remain parallel with the bed frame. 1. Using the feed controls, move the saw carriage so that the blade is positioned over the front pivot end rail.
  • Page 163 Sawmill Alignment Complete Alignment Procedure 4. Move the carriage forward until the blade is positioned over the rear pivot end rail. Repeat steps 2 & 3 until all lower rollers are adjusted properly at the front and rear of the sawmill. 5.
  • Page 164 Sawmill Alignment Complete Alignment Procedure See Figure 7-25. To adjust the saw head tilt, use the horizontal adjustment nuts. To raise the outside of the saw head, loosen the four inner adjustment nuts 1/2 turn then tighten the four outer nuts. To lower the outside of the saw head, loosen the four outer adjust- ment nuts 1/2 turn then tighten the inner nuts.

  • Page 165: Bed Rail Adjustment

    Sawmill Alignment Complete Alignment Procedure Bed Rail Adjustment 1. 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 positioned over the clamp. Raise the saw head until the blade measures 15 5/16"...
  • Page 166 Sawmill Alignment Complete Alignment Procedure See Figure 7-27. Loosen the bed rail clamping bolts and turn the adjustment bolts to move the bed rails to the blade if necessary. Retighten the clamping bolts and adjustment bolt jam nuts. Blade 15“ (375.0 mm) 15“...

  • Page 167: Blade Guide Installation

    Complete Alignment Procedure Blade Guide Installation 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 168 Sawmill Alignment Complete Alignment Procedure 2. Loosen the top block clamp bolt and mounting bolt. Turn the adjustment bolt counter- clockwise to raise the top block all the way up. Remove the bottom guide block from each blade guide assembly and install the provided alignment bar. 3.
  • Page 169 Sawmill Alignment Complete Alignment Procedure See Figure 7-29. Tighten the two previously-loosened tilt adjustment screws to secure the blade guide assembly. LT40HD Rev. K3.01 - K5.03: Turn the top adjustment bolt clockwise to raise the blade guide assembly so the roller does not contact 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.
  • Page 170 Sawmill Alignment Complete Alignment Procedure Top Vertical Adjustment Jam Nut 3H0802-16C Bottom Vertical Adjustment Jam Nut FIG. 7-29 7-36 HD-R04doc041910 Sawmill Alignment...

  • Page 171: Blade Guide Arm Alignment

    Sawmill Alignment Complete Alignment Procedure Blade Guide Arm Alignment The blade guide arm moves the outer blade guide in and out. If the arm becomes loose, the blade guide will not deflect the blade properly, causing inaccurate cuts. A loose blade guide arm can also cause blade vibration.
  • Page 172 Sawmill Alignment Complete Alignment Procedure After tightening the blade guide arm rollers, check that the arm is aligned properly. 3. With the arm adjusted 1/2" (15 mm) from fully closed, measure the distance between the blade guide roller flange and the back of the blade. See Figure 7-31.
  • Page 173 Sawmill Alignment Complete Alignment Procedure See Figure 7-32. To tilt the arm out away from the blade, loosen the front nuts on the inner rollers and tighten the rear nuts. To tilt the arm in toward the blade, loosen the rear nuts on the inner rollers and tighten the front nuts.
  • Page 174 Sawmill Alignment Complete Alignment Procedure See Figure 7-33. Adjust the blade guide arm to 1/2" (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 outer rollers up or down to tilt the blade guide arm vertically.
  • Page 175 Sawmill Alignment Complete Alignment Procedure See Figure 7-34. Remove the blade housing cover to access the blade guide arm roller mounting bolts. To adjust the rollers, loosen the jam nuts on the other side of the blade housing and turn the mounting bolts. To tilt the blade guide arm down, adjust the outer top and bottom rollers up.

  • Page 176: Blade Guide Deflection

    Sawmill Alignment Complete Alignment Procedure Blade Guide Deflection Perform the following steps to achieve proper blade deflection with the blade guides. 1. Raise the saw head until the blade is 15" (375 mm) above a bed rail. Measure the actual distance with a tape from the top of the rail to the bottom of the blade.
  • Page 177 Sawmill Alignment Complete Alignment Procedure Sawmills prior to LT40HD Rev. K3.01: Loosen the bottom jam nut and tighten the top jam nut until the blade guide deflects the blade down until the bottom of the blade mea- sures 14 3/4" (370 mm) from the bed rail. CAUTION! Be careful when tightening the vertical adjust- ment screws.

  • Page 178: Blade Guide Vertical Tilt Alignment

    Sawmill Alignment Complete Alignment Procedure Blade Guide Vertical Tilt Alignment The blade guides should be adjusted properly in the vertical plane. If the blade guides are tilted vertically, the blade will try to travel in the tilted direction. A Blade Guide Alignment Tool (BGAT) is provided to help you measure the vertical tilt of the blade.
  • Page 179 Sawmill Alignment Complete Alignment Procedure See Figure 7-37. Loosen the jam nuts on the top and bottom vertical tilt adjustment screws. To tilt the roller up, loosen the bottom screw and tighten top screw. To tilt the roller down, loosen the top screw and tighten the bottom screw. Tighten the jam nuts and recheck the tilt of the blade.

  • Page 180: Blade Guide Horizontal Tilt Adjustment

    Sawmill Alignment Complete Alignment Procedure Blade Guide Horizontal Tilt Adjustment If the blade guides are tilted in the wrong direction horizontally, the back of the blade may contact the flange as the roller is spinning down, causing it to push the blade away from the guide roller.
  • Page 181 Sawmill Alignment Complete Alignment Procedure 3H0802-19B Blade Guide Alignment Tool FIG. 7-38 PRIOR TO LT40HD REV. K3.01 3. Measure between the back edge of the blade and the tool at the end closest to the inner blade guide ("B"). 4. Measure between the back edge of the blade and the other end of the tool ("A"). The roller should be tilted slightly to the left (’A’...
  • Page 182 Sawmill Alignment Complete Alignment Procedure See Figure 7-39. Loosen the jam nuts on the horizontal tilt adjustment screws. To tilt the roller left, loosen the right screw and tighten left 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.

  • Page 183: Blade Guide Flange Spacing

    Sawmill Alignment Complete Alignment Procedure Blade Guide Flange Spacing Each blade guide must be adjusted so the roller flange is the correct distance from the back edge of the blade. If the flange is too close to or too far from the blade, the sawmill will not cut accurately.

  • Page 184: Blade Guide Level (Optional High-Performance Blocks Only)7-50

    Sawmill Alignment Complete Alignment Procedure Blade Guide Level (Optional High-Performance blocks only) Perform the following adjustments to make sure the blade guide assembly is parallel to the blade. 1. Loosen the alignment bar mounting bolt. Use the provided bottom block adjustment tool to adjust the alignment bar up so the bar is close to, but not touching the bottom of the blade.

  • Page 185: Blade Block Adjustment (Optional High-Performance Blocks Only)7-51

    Sawmill Alignment Complete Alignment Procedure Blade Block Adjustment (Optional High-Performance blocks only) 1. Remove the blade and remove the alignment bars from the blade guide assemblies. Install new or reconditioned bottom guide blocks to both blade guide assemblies (leave mounting bolts loose). Use the provided bottom block adjustment tool to lower the bottom block all the way down.

  • Page 186: Side Support Alignment

    Sawmill Alignment Complete Alignment Procedure Side Support Alignment Logs and boards are clamped against the side supports when sawing. The sides supports must be square to the bed to ensure square lumber. 1. Swing a side support down and measure between the face of the support and the main bed tube.
  • Page 187 Sawmill Alignment Complete Alignment Procedure See Figure 7-43. Loosen the side support mounting bolt. Use a 3/8" ratchet to rotate the pin until the side support is square to the bed. Alignment Tubes (2) Place square against side support Loosen mounting bolt SM0272-1 Use 3/8”...

  • Page 188: Clamp Stop/Stop Bolt Adjustment

    Sawmill Alignment Complete Alignment Procedure Clamp Stop/Stop Bolt Adjustment 1. Once the side supports are aligned, 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 rail.

  • Page 189: Saw Head Tilt

    Sawmill Alignment Complete Alignment Procedure 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, the saw head is adjusted 1/16" (1.5 mm) higher at the out- side.
  • Page 190 Sawmill Alignment Complete Alignment Procedure See Figure 7-46. To adjust the saw head tilt, use the horizontal adjustment nuts. To raise the outside of the saw head, loosen the four inner adjustment nuts 1/4 turn and tighten the four outer nuts. Recheck the measurement from the blade to the bed rails and adjust the horizontal adjustment nuts until the outside of the saw head is 1/16"...

  • Page 191: Blade Height Scale Adjustment

    Sawmill Alignment Complete Alignment Procedure 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 carriage so the blade is positioned directly above one of the bed rails. Mea- sure from the bottom edge on a down-set tooth of the blade to the top of the bed rail, near the inner blade guide assembly.

  • Page 192: Optional Board Return Bracket

    Sawmill Alignment Complete Alignment Procedure Optional Board Return Bracket Adjust the board return bracket so the bottom edge is positioned 1/4" below the bottom of the blade. 1. With a square cant on the bed rails, lower the blade until it touches the top of the cant. Then raise the saw head 1/4"...

  • Page 193: Hydraulic Information

    Hydraulic Information Hydraulic Schematic SECTION 8 HYDRAULIC INFORMATION Hydraulic Schematic RELIEF VALVE SETTING 2000 PSI LOADER CLAMP CLAMP TOEBOARD TOEBOARD TURNER IN/OUT UP/DOWN REAR FRONT RELIEF VALVE SETTING 2250 PSI HD0234 FIG. 8-1 HYDRAULIC SCHEMATIC. Hydraulic Information HD-R04doc041910...

  • Page 194: Hydraulic Layout Diagram

    Hydraulic Information Hydraulic Layout Diagram Hydraulic Layout Diagram Log Loader Clamp Clamp Turner In/Out Up/Down Side Supports Front Rear Toe Board Toe Board HD0231B (Shown with handles down) FIG. 8-2 HYDRAULIC LAYOUT DIAGRAM. HD-R04doc041910 Hydraulic Information...

  • Page 195: Hydraulic Components

    Hydraulic Information Hydraulic Components Hydraulic Components Mfg. Part No. Manufacturer Wood-Mizer Description Part.# 017275 J-D Hydraulic 017275 Hyd. Cylinder, 3" Bore X 7" Stroke PMC-19410 Prince Mfg. 015050 Hyd. Cylinder, 1 1/2" Bore X 10" Stroke C3, C4 014482 J-D Hydraulic 014482 Hyd.

  • Page 196: Hydraulic Hoses

    Hydraulic Information Hydraulic Hoses Hydraulic Hoses Color Code LENGTH "A" Application Wood-Mizer Part No. None 72" 1/4” Hydraulic Pump To Valve 018022 Plain 27" 1/4” Log Turner Base P12535 Orange 18" 1/4” Log Turner Top 015704 Yellow 180" 1/4” Front Toe Board Top (LT40HD)

  • Page 197: Index

    INDEX alignment hydraulic lower track rollers 7-28 component list main bed rails 7-31 control operation 4-1, 4-3 slide pad adjustment 7-28 fluid level 5-18 hose list autoclutch option layout diagram operation schematic troubleshooting problems 6-17 battery charging with fuse terminal extension leveling logs troubleshooting problems loading logs...
  • Page 198 troubleshooting electrical problems hydraulic problems 6-17 operation power feed problems 6-10 edging 4-13 sawing problems sawing 4-11 turning logs power feed mechanical troubleshooting test 6-16 up/down operation 4-10 operation preliminary troubleshooting test 6-15 troubleshooting problems speed adjustment troubleshooting problems 6-10 water lube operation 4-16...

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