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

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Wood-Mizer
Safety, Setup, Operation
& Maintenance Manual
LT30
LT40
Safety is our #1 concern! Read and understand
all safety information and instructions before oper-
ating, setting up or maintaining this machine.
January 2004
®
Sawmill
rev. J6.01 - K2.03
rev. J7.01 - K3.03
Form #1186

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Summary of Contents for Wood-mizer LT30

  • Page 1 ® Wood-Mizer Sawmill Safety, Setup, Operation & Maintenance Manual LT30 rev. J6.01 - K2.03 LT40 rev. J7.01 - K3.03 Safety is our #1 concern! Read and understand all safety information and instructions before oper- ating, setting up or maintaining this machine.

  • Page 2: 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.............1-9 SECTION 2 SAFETY Safety Symbols..................2-1 Safety Instructions ..................2-2 SECTION 3 SAWMILL SETUP Stationary Sawmill Setup ...............3-1 Portable Sawmill Setup ................3-3 Replacing The Blade ................3-8...
  • Page 3 MAINTENANCE LOG 5-30 SECTION 6 TROUBLESHOOTING GUIDE Sawing Problems ..................6-1 Electrical Problems.................6-3 Fuse Terminal Extension Stud..............6-5 LT30 Rev. J6.01 - K1.01 LT40 Rev. J7.01 - K2.01 ...........6-5 Circuit Breaker Operation ..............6-7 Power Feed Problems ................6-8 Power Feed Circuit Troubleshooting............6-10 Power Feed Variable Feed Rate Switch Test ........6-12 Power Feed Preliminary Test ...............6-13...
  • 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: LT30 Rev. J6.00+ Dimensions: Length: 21'-11" 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): 2007 lbs 2242 lbs 2254 lbs 2149 lbs...
  • Page 10 Introduction Specifications Model: LT30 Rev. H5.00 - J5.00 Dimensions: Length: 21'-11" 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): 2170 lbs 2332 lbs 2242 lbs 2740 lbs...
  • Page 11 Introduction Specifications Model: LT40 Rev. 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): 2207 lbs 2442 lbs 2454 lbs 2349 lbs With Trailer: 2529 lbs 2764 lbs 2776 lbs 2671 lbs...
  • Page 12 Introduction Specifications Model: LT40 Rev. H6.00 - J6.00 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): 2390 lbs 2532 lbs 2442 lbs 2740 lbs With Trailer: 2712 lbs 2854 lbs 2764 lbs...

  • Page 13: 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 14 Introduction Customer and Sawmill Identification The model number and V.I.N. can be found in the following locations. 300119 MODEL NUMBER AND V.I.N. LOCATIONS. 1-10 3004doc041910 Introduction...

  • Page 15: 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 16: 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 17 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 18 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 19 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 20 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 21 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 22 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 23 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 24 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 25 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 26 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 27 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 28 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 29 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 30 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 31 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 32 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 33: 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 34 Sawmill Setup Stationary Sawmill Setup See Figure 3-1. Pivot End Rail Side Support Bed Rail Stop Block SM0130 FIG. 3-1 3004doc041910 Sawmill Setup...

  • 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 1. Unhook the carriage safety chain, located at the bottom of the vertical mast, near the bat- tery box. 2. LT30 prior to Rev. J7.04/LT40 prior to Rev. J8.04 equipped with optional hydraulic log loader: Before moving the saw carriage, the hydraulic log loader must first be low-...
  • Page 38 Sawmill Setup Portable Sawmill Setup 3. Start the engine to enable the battery-operated accessories (See Section 3.5). Use the up/down handle on the control box to raise the cutting head from the carriage rest pin. Swing the rest pin down below bed level. CAUTION! Always make sure the engine is running before operating the sawmill controls.
  • Page 39 Sawmill Setup Portable Sawmill Setup See Figure 3-4. Pivot End Rail Side Support Bed Rail Stop Block SM0130 FIG. 3-4 Sawmill Setup 3004doc041910...

  • Page 40: 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 41: Tensioning The Blade

    Sawmill Setup Tensioning The Blade Tensioning The Blade See Figure 3-5. 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. 3-5 See Table 3-1.

  • Page 42: 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 43 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 44: 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 45: Board Return (Optional)

    8 foot. Sawmills before LT30 Rev. J9.01 & LT40 Rev. K1.01 Only: Move the board return table from the transport storage position at the rear of the mill to the operational position at the front of the mill.
  • Page 46 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 3-8. 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 47 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 3-9.
  • Page 48 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 49: Sawmill Operation

    Sawmill Operation Optional Hydraulic Loader Control Operation SECTION 4 SAWMILL OPERATION Optional Hydraulic Loader Control Operation The hydraulic control lever becomes operational when the contacts at the bottom of the carriage touch the power strip on the frame tube. The hydraulic control lever will only work when the cutting head is close enough to the front end of the mill to touch the power strip.
  • Page 50 Sawmill Operation Optional Hydraulic Loader Control Operation 1. Remove the clamp from the sawmill bed so it will not get in the way of logs being loaded onto the bed. 2. Remove the two retaining pins holding the log loader in the towing position. See Figure 4-2.

  • Page 51: 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 52 Sawmill Operation Loading, Turning And Clamping Logs Optional Hydraulic Log Loader: 4. Roll the log onto the loader so that it is approximately centered with the sawmill bed. The log turner will operate much easier if the log is centered on the sawmill bed. DANGER! Keep all persons out of the path of moving equipment and logs when operating sawmill or loading and...
  • Page 53 Sawmill Operation Loading, Turning And Clamping Logs To Turn Logs 1. Use cant hooks or the optional log turner to rotate the log on the sawmill bed. See Log Turner Manual. 2. Spin the log against the side supports until it is turned the way you want it for the first cut. To Clamp Logs 1.

  • Page 54: 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, Accuset or Simple Set manual for alternate instruc- tions for operating the up/down system. 1. Install a blade, if needed, and check for correct blade tension. (See Section 3.3).

  • Page 55: 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 56: Clutch/Brake Operation

    Sawmill Operation Clutch/Brake Operation Clutch/Brake Operation NOTE: If your sawmill is equipped with the Autoclutch Option, see the Autoclutch Option manual for clutch operating instructions. 1. Clear any loose objects from the area of the blade, motor, and drive belt. 2.
  • Page 57 Sawmill Operation Clutch/Brake Operation 4. To engage the blade, pull the clutch/brake lever down until it locks in the down position. This engages the drive mechanism, releases the blade brake, and increases the engine speed to full throttle. 5. To disengage the blade, raise the clutch/brake lever to the up position. This disengages the drive belt, engages the blade brake, and returns the engine to idle.

  • Page 58: Power Feed Operation

    Sawmill Operation Power Feed Operation Power Feed Operation See Figure 4-7. 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. 4-7 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. Remove the clamp and 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 4-8. 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: 4.10 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: 4.11 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 NOTE: LT30 prior to Rev. J7.04/LT40 prior to Rev. J8.04 equipped with optional hydraulic log loader: Before placing the hydraulic log loader in the travel position, the...
  • Page 69 Sawmill Operation Preparing The Sawmill For Towing 4. Move the carriage forward to the travel position over the rear bed rail. 5. Position the hole in the saw head over the travel rest pin. 6. Lower the saw head until it is seated firmly on the rest pin. See Figure 4-12.
  • Page 70 Sawmill Operation Preparing The Sawmill For Towing Loosen jam nut and turn bolt to raise or lower stop bolt SM0111 FIG. 4-13 9. Engage the clutch/brake lever or autoclutch blade switch. This keeps the drive belt tight and the motor from bouncing while traveling. Be sure to disengage the clutch/brake lever or autoclutch blade switch after reaching the destination to avoid deformation of the drive belt.
  • Page 71 Sawmill Operation Preparing The Sawmill For Towing 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 72: 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 73: 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 74 Maintenance Blade Guides See Figure 5-1. LT30 Rev. J9.03+/LT40 Rev. K1.03+: 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 75 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). Maintenance...
  • Page 76 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 77: 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 78: 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 79 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 80: 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 81: 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 82: 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 83 Maintenance Miscellaneous 6. Lubricate the optional board return pivot every fifty hours of operation with a NLGI No. 2 grade lithium grease. Apply grease to the grease fitting on the board return pivot tube. 7. Check the mill alignment every setup (See Section 8.

  • Page 84: 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 85 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 86: 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 87: 5.10 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 88: 5.11 Drive Belt Adjustment

    Maintenance Drive Belt Adjustment 5.11 Drive Belt Adjustment NOTE: If your sawmill is equipped with the Autoclutch Option, see the Autoclutch Option manual for drive belt adjustment instructions. 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.
  • Page 89 Maintenance Drive Belt Adjustment Loosen jam nuts Turnbuckle counterclockwise to tighten belt 3H0287B FIG. 5-9 3. Place a wrench on the flats at the top of the turnbuckle. Use a second wrench to turn the bottom-most jam nut clockwise (as viewed from the bottom) to tighten the belt, counter- clockwise to loosen the belt.
  • Page 90 Maintenance Drive Belt Adjustment Adjust the drive belt support as needed. The drive belt support is designed to extend belt life. The bracket should be adjusted to NOT touch the drive belt when the clutch handle is engaged (down position), AND to hold the drive belt away from the engine pulley when the clutch handle is disengaged (up position).

  • Page 91: 5.12 Drive Bearing

    Maintenance Drive Bearing 5.12 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 92: 5.13 Up/Down System

    Maintenance Up/Down System 5.13 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 93 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 5-13. FIG. 5-13 Maintenance 3004doc041910 5-22...
  • Page 94 3. Check the up/down gearbox oil level. Add a synthetic gear oil such as Mobil SHC 634 as needed. G18/G25/G28 models prior to LT30 Rev. J8.00 and LT40 Rev. J9.00: 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.

  • Page 95: 5.14 Power Feed

    Maintenance Power Feed 5.14 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 96 Maintenance Power Feed See Figure 5-16. 3H0018B Feed Chain Adjustment Nuts FIG. 5-16 5-25 3004doc041910 Maintenance...

  • Page 97: 5.15 Charging The Battery

    Maintenance Charging The Battery 5.15 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 98 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 99: Hydraulic System (Optional Log Loader)

    Maintenance Hydraulic System (Optional Log Loader) 5.16 Hydraulic System (Optional Log Loader) 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 100 Maintenance Hydraulic System (Optional Log Loader) 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”. Damage to the pump motor may result.

  • Page 101: 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 102 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 103 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 104 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 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. 2050 HRS 2100 HRS 2150 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. 2550 HRS 2600 HRS 2650 HRS...

  • Page 107: 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 108 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 109: 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 110 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 111: Fuse Terminal Extension Stud

    Troubleshooting Guide Fuse Terminal Extension Stud Fuse Terminal Extension Stud LT30 Rev. J6.01 - K1.01 LT40 Rev. J7.01 - K2.01 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 112: Lt30 Rev. J6.01 - K1.01 Lt40 Rev. J7.01 - K2.01

    Troubleshooting Guide LT30 Rev. J6.01 - K1.01 LT40 Rev. J7.01 - K2.01 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 113: 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. The power feed and up/down breakers are externally mounted at the front of the control box. The blade guide, accessory, ignition and start breakers are located inside the control box.

  • Page 114: 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 115 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 116: Power Feed Circuit Troubleshooting

    Troubleshooting Guide Power Feed Circuit Troubleshooting Power Feed Circuit Troubleshooting LED lights are provided on the control module to help troubleshoot any feed problems you may encounter. See Figure 6-3. The lights can be viewed by removing the rear control box panel. DETAIL Detail 3H0400B-3...
  • Page 117 Troubleshooting Guide Power Feed Circuit Troubleshooting light, look to see if OV or OL lights are coming on. If not, then the control module may be damaged. Call Customer Service for assistance. PWR - Indicates battery power is present at the power feed control circuit board. Troubleshooting Guide 3004doc041910 6-11...

  • Page 118: 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 119: 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 120: 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 121: Hydraulic Problems (Optional Log Loader)

    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 Troubleshooting Guide...
  • Page 122 Troubleshooting Guide Hydraulic Problems (Optional Log Loader) PROBLEM CAUSE SOLUTION No Response From The Electric contact spring inside Check contact spring. Relocate or Pump By Actuating Handle of non-working valve cor- replace as necessary roded, broken, or dislocated Set screw holding handle to Tighten set screw so that valve shaft valve shaft is loose turns when handle is actuated...
  • Page 123 Troubleshooting Guide Hydraulic Problems (Optional Log Loader) 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 124: 6.11 Engine/Motor And Drive Pulleys Alignment

    Troubleshooting Guide Engine/Motor and Drive Pulleys Alignment 6.11 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 125: 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 126: 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 127 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 128: 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 129 See Figure 7-4. Measure distance between roller flange and blade with 600244-8 arm open and closed FIG. 7-4 LT30 REV. J9.03 - K2.03/LT40 REV. K1.03 - K3.03 (OPTIONAL HIGH-PERFORMANCE ROLLER/BLOCKS SHOWN) Measure distance between roller flange and blade with arm open and closed 3H0802-10 FIG.
  • Page 130 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 131 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 132 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 133: 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 134 Adjust screws down to tilt roller up; Adjust screws up to tilt roller down Bottom Vertical Tilt Adjustment Screw FIG. 7-9 LT30 REV. J9.03 - K2.03/LT40 REV. K1.03 - K3.03 (OPTIONAL HIGH-PERFORMANCE ROLLER/BLOCKS SHOWN) Top Vertical Tilt Adjustment Screw 3H0802-18 Adjust screws down to tilt roller up;...

  • Page 135: Blade Guide Horizontal Tilt Adjustment

    9. Remove the clip from the blade guide alignment tool. Place the tool against the face of the outer blade guide roller. See Figure 7-10. Horizontal Tilt 600244-6 Adjustment Screws Blade Guide Alignment Tool FIG. 7-10 LT30 REV. J9.03 - K2.03/LT40 REV. K1.03 - K3.03 (OPTIONAL HIGH-PERFORMANCE ROLLER/BLOCKS SHOWN) Sawmill Alignment 3004doc041910 7-11...
  • Page 136 3H0802-19B Blade Guide Alignment Tool FIG. 7-10 PRIOR TO LT30 REV. J9.03/LT40 REV. K1.03 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").
  • Page 137 Tighten the jam nuts and recheck the tilt of the blade. 600244-11 Adjust screws right to tilt roller left; Adjust screws left to tilt roller right FIG. 7-11 LT30 REV. J9.03 - K2.03/LT40 REV. K1.03 - K3.03 (OPTIONAL HIGH-PERFORMANCE ROLLER/BLOCKS SHOWN) Horizontal Tilt Adjustment Screws 3H0802-20B Adjust screws right to tilt roller left;...

  • Page 138: 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 139 1/8” (Outer Blade Guide) 3H0802-6D FIG. 7-12 PRIOR TO LT30 REV. J9.03/LT40 REV. K1.03 2. Measure the distance between the flange on the inner blade guide roller to the back edge of the blade. This distance should measure 1/16" (1.5 mm). Adjust the roller back or for- ward if necessary.

  • Page 140: 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 141 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 142: 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 143: Complete Alignment Procedure

    If your sawmill has a trailer axle and adjustable outriggers, adjust the outriggers as fol- lows: LT30: Adjust the two outriggers on the main frame tube down just enough to lift weight from the trailer tire. LT40: Adjust the front and third outriggers on the main frame tube down just enough to lift weight from the trailer tire.

  • Page 144: 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 145: 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 146 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 147: 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 148 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 149 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 150 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 151 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 152: 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 153 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 154 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 155: Bed Rail Adjustment

    Sawmill Alignment Complete Alignment Procedure Bed Rail Adjustment 1. Install the log clamp at its lowest setting in a hole where the clamp is positioned 10" from the clamp stop (fourth hole from stop). Move the saw head until the blade is centered over the clamp.
  • Page 156 Sawmill Alignment Complete Alignment Procedure See Figure 7-27. Loosen the locking set screws and turn the inner height adjustment nut to adjust the height of the inner end of the pivot rail. Loosen the jam nut and turn the outer adjustment bolt to adjust the height of the outer end of the pivot rail.
  • Page 157 Sawmill Alignment Complete Alignment Procedure See Figure 7-28. 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 158: 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 159 Remove bottom disk and install alignment #10-32 x 5/8” Hex Head Bolt FIG. 7-29 LT30 REV. J9.03 - K2.03/LT40 REV. K1.03 - K3.03 (OPTIONAL HIGH-PERFORMANCE ROLLER/BLOCKS SHOWN) 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.
  • Page 160 See Figure 7-30. Tighten the two previously-loosened tilt adjustment screws to secure the blade guide assembly. LT30 Rev. J9.03 - K2.03/LT40 Rev. K1.03 - K3.03: Turn the top adjustment bolt clock- wise to raise the blade guide assembly so the roller does not contact the blade.
  • Page 161 Sawmill Alignment Complete Alignment Procedure Top Vertical Adjustment Jam Nut 3H0802-16C Bottom Vertical Adjustment Jam Nut FIG. 7-30 Sawmill Alignment 3004doc041910 7-37...

  • Page 162: 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 163 See Figure 7-32. Measure distance between roller flange and blade with 600244-8 arm open and closed FIG. 7-32 LT30 REV. J9.03 - K2.03/LT40 REV. K1.03 - K3.03 (OPTIONAL HIGH-PERFORMANCE ROLLER/BLOCKS SHOWN) Measure distance between roller flange and blade with arm open and closed 3H0802-10 FIG.
  • Page 164 Sawmill Alignment Complete Alignment Procedure See Figure 7-33. 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 165 Sawmill Alignment Complete Alignment Procedure See Figure 7-34. 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 166 Sawmill Alignment Complete Alignment Procedure See Figure 7-35. 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 167: Blade Guide Deflection

    See Figure 7-36. LT30 Rev. J9.03 - K2.03/LT40 Rev. K1.03 - K3.03: Turn the top adjustment bolt counter- clockwise to lower the assembly until the blade guide roller deflects the blade down until the bottom of the blade measures 14 3/4"...
  • Page 168 Sawmill Alignment Complete Alignment Procedure Sawmills prior to LT30 Rev. J9.03/LT40 Rev. K1.03: 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 measures 14 3/4" (370 mm) from the bed rail.

  • Page 169: 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 170 Adjust screws down to tilt roller up; Adjust screws up to tilt roller down Bottom Vertical Tilt Adjustment Screw FIG. 7-38 LT30 REV. J9.03 - K2.03/LT40 REV. K1.03 - K3.03 (OPTIONAL HIGH-PERFORMANCE ROLLER/BLOCKS SHOWN) Top Vertical Tilt Adjustment Screw 3H0802-18 Adjust screws down to tilt roller up;...

  • Page 171: Blade Guide Horizontal Tilt Adjustment

    2. Remove the clip from the blade guide alignment tool. Place the tool against the face of the outer blade guide roller. See Figure 7-39. Horizontal Tilt 600244-6 Adjustment Screws Blade Guide Alignment Tool FIG. 7-39 LT30 REV. J9.03 - K2.03/LT40 REV. K1.03 - K3.03 (OPTIONAL HIGH-PERFORMANCE ROLLER/BLOCKS SHOWN) Sawmill Alignment 3004doc041910 7-47...
  • Page 172 3H0802-19B Blade Guide Alignment Tool FIG. 7-39 PRIOR TO LT30 REV. J9.03/LT40 REV. K1.03 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").
  • Page 173 Tighten the jam nuts and recheck the tilt of the blade. 600244-11 Adjust screws right to tilt roller left; Adjust screws left to tilt roller right FIG. 7-40 LT30 REV. J9.03 - K2.03/LT40 REV. K1.03 - K3.03 (OPTIONAL HIGH-PERFORMANCE ROLLER/BLOCKS SHOWN) Horizontal Tilt Adjustment Screws 3H0802-20B Adjust screws right to tilt roller left;...
  • Page 174 Sawmill Alignment Complete Alignment Procedure Section 5.2). 7-50 3004doc041910 Sawmill Alignment...

  • Page 175: 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 176: Blade Guide Level (Optional High-Performance Blocks Only)7-52

    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 177: Blade Block Adjustment (Optional High-Performance Blocks Only)7-53

    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 178: 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 179 Sawmill Alignment Complete Alignment Procedure See Figure 7-44. 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 180: 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 181: 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 182 Sawmill Alignment Complete Alignment Procedure See Figure 7-47. 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 183: 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 184: 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 185: Hydraulic Information (Optional Loader)

    Hydraulic Information (Optional Loader) Hydraulic Schematic SECTION 8 HYDRAULIC INFORMATION (OPTIONAL LOADER) Hydraulic Schematic 300138 FIG. 8-1OPTIONAL HYDRAULIC LOG LOADER Hydraulic Information (Optional Loader) 3004doc041910...

  • Page 186: Hydraulic Layout Diagram

    Hydraulic Information Hydraulic Layout Diagram Hydraulic Layout Diagram Elbow Fitting H3 (Blue) “T” Fitting (Green) (Green) Log Loading Hydraulic Log Loading Hydraulic Pump Hydraulic Cylinder Cylinder (Left Side) (Right Side) Velocity Velocity (Yellow) Fuse Fuse Valve Valve (Yellow) “T” Fitting 3H0950B H4 (Red) Elbow Fitting...

  • Page 187: Hydraulic Components

    Hydraulic Information Hydraulic Components Hydraulic Components Mfg. Part No. Manufacturer Wood-Mizer Description Part.# C1, C2 P12847 J-D Hydraulic P12847 Hyd. Cylinder, 3" Bore X 8" Stroke M-310 Monarch Hyd. 048386 Hydraulic Pump, With Motor 00524 Monarch Hyd. P10143 Valve, 4-Way Hydraulic...

  • Page 188: Hydraulic Hoses

    Hydraulic Information Hydraulic Hoses Hydraulic Hoses Color Code LENGTH "A" Application Wood-Mizer Part No. Green 62" 1/4” Loading Arm Branch Top 018020 Yellow 64" 1/4” Loading Arm Branch Base 018021 Blue 164" 1/4” Loading Arm Top (LT30HD) P12548 164" 1/4” Loading Arm Bottom (LT30HD)

  • Page 189: Index

    INDEX alignment leveling logs lower track rollers 7-28 main bed rails 7-31 loading logs slide pad adjustment 7-28 maintenance battery blade guide charging with fuse terminal extension blade tensioner 5-13 troubleshooting problems blade wheel belts 5-14, 5-15 brake adjustment 5-16 blade brake strap 5-16...
  • Page 190 safety water lube instructions operation 4-17 lockout procedure 2-13 symbols scale blade height operation 4-15 inch height 4-15 quarter inch 4-16 service information branch locations customer & sawmill ID general contact info setup portable sawmill stationary sawmill switch power feed & up/down maintenance 5-10 tensioner maintenance...

This manual is also suitable for:

Lt40J6.01-k2.03J7.01-k3.03

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