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

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Wood-Mizer
Safety, Setup, Operation
& Maintenance Manual
LT30 Super
LT40 Super
Safety is our #1 concern! Read and understand
all safety information and instructions before oper-
ating, setting up or maintaining this machine.
October 2004
®
Sawmill
rev. F7.00 - J2.00
rev. F8.00 - J3.00
Form #761

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  • Page 1 ® Wood-Mizer Sawmill Safety, Setup, Operation & Maintenance Manual LT30 Super rev. F7.00 - J2.00 LT40 Super rev. F8.00 - J3.00 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 Customer and Sawmill Identification.............1-2 Getting Service ..................1-4 General Contact Information..........1-4 Branches & Authorized Sales Centers ........1-5 Specifications ..................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 ................3-3 Replacing The Blade ................3-8...
  • Page 3 MAINTENANCE LOG 5-36 SECTION 6 TROUBLESHOOTING GUIDE Sawing Problems ..................6-1 Electrical Problems.................6-3 Power Feed Problems ................6-7 Power Feed Circuit Troubleshooting............6-9 LT30 Super Rev. G6.00+ LT40 Super Rev. G7.00+..........6-9 LT30 Super Rev. F7.00 - G5.00 LT40 Super Rev. F8.00 - G6.00........6-10 Engine/Motor and Drive Pulleys Alignment........6-12...
  • 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...

  • 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: 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 7 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. Introduction 30S97doc041910...

  • Page 8: 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 9: 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 10 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 11: Specifications

    Introduction Specifications Specifications Model: LT30 Super Rev. H4.00 - J3.04 Dimensions: Length: 21'-11" Width: 6'-6" Height (Ground To Mast): 7'-8" Height (Max Head Position): 11'-0" Bed Height (Ground To Bed): 30" Weights: Basic Unit (Wet): 2582 lbs 2713 lbs 2763 lbs...
  • Page 12 Introduction Specifications Model: LT40 Super Rev. H5.00 - J4.05 Dimensions: Length: 26'-2" Width: 6'-6" Height (Ground To Mast): 7'-8" Height (Max Head Position): 11'-0" Bed Height (Ground To Bed): 30" Weights: Basic Unit (Wet): 2784 lbs 2913 lbs 2963 lbs With Trailer: 3106 lbs 3235 lbs...
  • Page 13 Introduction Specifications Model: LT30 Super Rev. G9.00-H3.00 Dimensions: Length: 21'-11" Width: 6'-6" Height (Ground To Mast): 7'-8" Height (Max Head Position): 9'-11" Bed Height (Ground To Bed): 30" Weights: Basic Unit (Wet): 2582 lbs 2713 lbs With Trailer: 2904 lbs...
  • Page 14 Introduction Specifications Model: LT40 Super Rev. H1.00-H4.00 Dimensions: Length: 26'-2" Width: 6'-6" Height (Ground To Mast): 7'-8" Height (Max Head Position): 9'-11" Bed Height (Ground To Bed): 30" Weights: Basic Unit (Wet): 2784 lbs 2913 lbs With Trailer: 3106 lbs 3235 lbs Tongue Weight: 82 lbs...
  • Page 15 Introduction Specifications Model: LT30 Super Rev. G3.00-G8.00 Dimensions: Length: 21'-11" Width: 6'-6" Height (Ground To Mast): 7'-8" Height (Max Head Position): 9'-10" Bed Height (Ground To Bed): 30" Weights: Basic Unit (Wet): 2582 lbs With Trailer: 2904 lbs Tongue Weight:...
  • Page 16 Introduction Specifications Model: LT40 Super Rev. G4.00-G9.00 Dimensions: Length: 26'-2" Width: 6'-6" Height (Ground To Mast): 7'-8" Height (Max Head Position): 9'-10" Bed Height (Ground To Bed): 30" Weights: Basic Unit (Wet): 2784 lbs 2823 lbs With Trailer: 3106 lbs 3145 lbs Tongue Weight: 82 lbs...
  • Page 17 Introduction Specifications Model: LT30 Super Rev. F7.00-G2.01 Dimensions: Length: 21'-11" Width: 6'-6" Height (Ground To Mast): 7'-8" Height (Max Head Position): 9'-10" Bed Height (Ground To Bed): 30" Weights: Basic Unit (Wet): 2582 lbs With Trailer: 2870 lbs Tongue Weight:...
  • Page 18 Introduction Specifications Model: LT40 Super Rev. F8.00-G3.01 Dimensions: Length: 26'-2" Width: 6'-6" Height (Ground To Mast): 7'-8" Height (Max Head Position): 9'-10" Bed Height (Ground To Bed): 30" Weights: Basic Unit (Wet): 2784 lbs 2823 lbs With Trailer: 3072 lbs 3111 lbs Tongue Weight: 82 lbs...

  • Page 19: 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 20: 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 21 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 22 Safety Safety Instructions HANDLE FUEL/LUBRICANTS SAFELY DANGER! Due to the flammable nature of fuel and oil, never smoke, weld, grind or allow sparks near your engine or storage tanks, especially during times of fueling. DANGER! Never allow fuel to spill on a hot engine during fueling operations or otherwise.
  • Page 23 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 24 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 25 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 26 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 27 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 28 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 29 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 30 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 31 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 32 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 33 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 34 Safety Safety Instructions WARNING! The trailer option is designed for the express purpose of towing the sawmill it is supplied with. Do not make modifications or additions that affect the weight and/or stability of the towing unit. Doing so may result in property damage and/or serious injury or death.

  • Page 35: 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 36 Sawmill Setup Stationary Sawmill Setup See Figure 3-1. Pivot End Rail Side Support Bed Rail Stop Block SM0130 FIG. 3-1 30S97doc041910 Sawmill Setup...

  • Page 37: 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 38 Put front outrigger down before moving cutting head from the rest position. Failure to do so may result in serious injury. NOTE: Mills prior to LT30 Super H2.02 and LT40 Super H3.02 do not have a notch in the outrigger channel. 30S97doc041910...
  • Page 39 Sawmill Setup Portable Sawmill Setup See Figure 3-2. Channel Notch Locking Pin Jack Handle Outrigger Leg SM0045B FIG. 3-2. OUTRIGGER ADJUSTMENT. Sawmill Setup 30S97doc041910...
  • Page 40 Sawmill Setup Portable Sawmill Setup See Figure 3-3. 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 41 Sawmill Setup Portable Sawmill Setup 3. Remove the fenders by lifting them out of the slots. CAUTION! To prevent fender damage, remove fenders before operating sawmill or loading logs. 4. Use the carriage forward/reverse switch (left side of control box) to move the cutting head toward the front end of the mill.

  • Page 42: 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 43: 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 44: 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 (or motor). 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 45 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 46: Starting The Engine (Or Motor)

    Sawmill Setup Starting The Engine (or Motor) Starting The Engine (or Motor) 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 47: Board Return

    Sawmill Setup Board Return Board Return WARNING! The automatic 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.
  • Page 48 Sawmill Setup Board Return Install the table at the front of the sawmill bed with the outrigger toward the loading side of the sawmill. See Figure 3-7. 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 49 Sawmill Setup Board Return To activate the board return, turn the key switch to the accessory (#3) or start (#1) posi- tion. Push the toggle switch on the control panel down. The board return arm located in the middle of the saw head will drop into position. See Figure 3-8.

  • Page 50: Sawmill Operation

    Sawmill Operation Loading, Turning And Clamping Logs SECTION 4 SAWMILL OPERATION 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.
  • Page 51 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 52: 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 operation of the up/down system using these options. 1. Install a blade, if needed, and check for correct blade tension. (See Section 3.3).

  • Page 53: 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 54: 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 55 LT30 Super Rev. F7.00 - F8.03 and LT40 Super Rev. F8.00 - F9.03 only: See Figure 4-5. The clutch handle was equipped with a detent pin originally provided to lock the handle in neutral when adjusting the drive belts and/or brake strap.

  • Page 56: Power Feed Operation

    Sawmill Operation Power Feed Operation Power Feed Operation See Figure 4-6. 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. 4-6 Carriage Feed Rate The carriage feed rate switch controls the speed at which the carriage travels forward.
  • Page 57 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 58: Cutting The Log

    Cutting The Log Cutting The Log The following steps guide you through normal operation of the Wood-Mizer sawmill. 1. Once the log is placed where you want it and clamped firmly, turn the key switch to the accessory (#3) position.
  • Page 59 Sawmill Operation Cutting The Log 10. 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 60: 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 61: Optional Cutting Procedure For Super Series Mills

    Sawmill Operation Optional Cutting Procedure for Super Series Mills Optional Cutting Procedure for Super Series Mills In order to achieve maximum production rates with Super Series mills, it may be desirable to leave the blade engaged when returning the carriage. (Normal operation procedures recommend disengaging the blade before returning the carriage for maximum blade life and fuel economy.) DANGER!

  • Page 62: Blade Height Scale

    Sawmill Operation Blade Height Scale Blade Height Scale See Figure 4-7. 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 63 Sawmill Operation Blade Height Scale The scales are attached to the frame and move up and down with the saw head. The blade indicator, used to read the inch and quarter scales, remains stationary. The Inch Scale The horizontal line on the blade height indicator shows how many inches the bottom of the blade is above the bed of the mill.
  • 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 WARNING! Use ONLY water and Wood-Mizer Lube Addi- tive 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 67: 4.11 Preparing The Sawmill For Towing

    Sawmill Operation 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. CAUTION! If the weight of the sawmill exceeds 3,000 lbs (1361 Kg) for any reason, an auxiliary braking system (such as electric brakes) must be used.
  • Page 68 Sawmill Operation Preparing The Sawmill For Towing 2. Release the blade tension. CAUTION! Changes in temperature could cause increased pressure in the blade tensioner and loss of fluid from the gauge. Release the blade tension when the mill is not in use to avoid damage to the tensioner.
  • Page 69 Sawmill Operation Preparing The Sawmill For Towing 7. If necessary, adjust the two stops located at the bottom of the mast so the saw head con- tacts them after it is lowered 3/4" (19mm) past where it contacts the rest pin. See Figure 4-11.
  • Page 70 Sawmill Operation Preparing The Sawmill For Towing 9. Hook the carriage safety chain located at the bottom of the carriage to the bracket at the bottom of the mast. See Figure 4-12. FIG. 4-12 10. Store the loading ramps on the bed rails. Secure to the bed with the two retaining brack- ets.
  • Page 71 Sawmill Operation Preparing The Sawmill For Towing 13. Place both fenders in the slots located behind the trailer tires and secure with retaining pins (prior to 6/00) or rubber straps (6/00+). Raise all but the very front outrigger. For Fine Adjust Outriggers (FAOs), be sure to adjust the outrigger base height so that the grease fitting is just below the lowest outrigger hole before securing the FAO in position with the lock pin.

  • Page 72: Maintenance

    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: Ez-Glide Guide Blocks

    Maintenance EZ-Glide Guide Blocks As the blocks wear, the front inside corner will wear more than the body of the block. When the corner wears far enough, sawing performance will be affected even if the body of the block is adjusted properly to the blade. At this point, the block should be replaced. If you have access to the appropriate equipment, you can grind or mill the blocks to a new flat surface and reuse them.

  • Page 75: Ceramic Guide Disks

    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). Ceramic Guide Disks 1.
  • Page 76 Maintenance Ceramic Guide Disks See Figure 5-2. Remove the guide disk from the blade guide assembly and rub against the honing block using even, back-and-forth or circular strokes to smooth the disk sur- face. Use the honing block to smooth the sharp edges around the disk. FIG.
  • Page 77 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 78 Maintenance Ceramic Guide Disks 3. 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 79: 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 80: Carriage Track, Wiper & Scrapers

    If the wiper presses too firmly against the rail, it can cause the power feed to bind. LT30 Super Rev. H3.00+ & LT40 Super Rev. H4.00+ only: Soak the lower felt wipers with Dexron III transmission fluid. Apply oil to both wipers through the access holes in the wiper housings.
  • Page 81 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 thumb screw. Carriage track Remove track wiper, clean...

  • Page 82: 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 83: 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 84: Miscellaneous

    Maintenance Miscellaneous Miscellaneous 1. Oil all chains with Dexron III ATF every fifty hours of operation. CAUTION! Do not use chain lube. It causes sawdust buildup in chain links. 2. Apply a thin film of a NLGI No. 2 grade lithium grease to the blade guide arm every fifty hours of operation to help prevent it from rusting.
  • Page 85 Maintenance Miscellaneous 8. 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. Maintenance 30S97doc041910 5-14...

  • Page 86: 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 87 Maintenance Blade Tensioner See Figure 5-8. 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 88: 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 89: 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 90 Maintenance Brake Strap Adjustment NOTE: Be careful to not overtighten. Overtightening will cause the drive belt to “grab” the pulley and can prevent the engine from starting properly. 5. Replace the belt cover. 5-19 30S97doc041910 Maintenance...

  • Page 91: 5.11 Drive Belt Adjustment

    Maintenance Drive Belt Adjustment 5.11 Drive Belt Adjustment 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 92 Maintenance Drive Belt Adjustment Loosen jam nuts Turnbuckle counterclockwise to tighten belt 3H0287B FIG. 5-10 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 93 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 94: 5.12 Clutch Handle Detent Adjustment

    NOTE: The detent pin was removed on LT30 Super Rev. F8.04 and LT40 Super Rev. F9.04. The detent pin should be removed from previous revision mills to prevent possible injury caused by unintended use of the detent pin (such as using the pin to enable the blade to be spun by hand during blade tracking).

  • Page 95: 5.13 Drive Bearing

    Drain and refill the fluid in the drive-side cylinder bearing housing every 500 hours of operation. For LT30 Super rev. G9.00 and LT40 Super rev. H1.00 and later, disconnect the oil level view hose from the fitting at the top of the bearing housing. With the fitting at the bottom of the bearing housing still connected, allow oil to drain from the oil level view hose.
  • Page 96 Maintenance Drive Bearing For mills prior to LT30 Super rev. G9.00 and LT40 Super rev. H1.00, remove the top and bottom oil plugs. Pour an Automatic Transmission Fluid (ATF) such as Dexron III ATF into the top hole until it begins to flow from the bottom hole. Reinstall the square oil plug to the bottom hole and the vented oil plug to the top hole.

  • Page 97: 5.14 Up/Down System

    Maintenance Up/Down System 5.14 Up/Down 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 98 Maintenance Up/Down System Up/Down Chain Adjustment Nuts 3H0020B FIG. 5-15 JAM NUT DESIGN 5-27 30S97doc041910 Maintenance...
  • Page 99 3. Check the up/down gearbox oil level. Add a synthetic gear oil such as Mobil SHC 634 as needed. Drain and refill the gearbox with 24 ounces of oil after every 5000 hours of sawmill opera- tion or every 2 years, whichever comes first. Wood-Mizer offers replacement gear oil in 8 ounce bottles. Maintenance 30S97doc041910 5-28...
  • Page 100 Maintenance Up/Down System 4. Inspect the up/down motor brushes every 750 hours of operation. Remove brush dust and replace the brushes if they worn to a length of 5/8” or shorter. CAUTION! Do not operate the up/down system if the motor brushes are worn shorter than 5/8”.

  • Page 101: 5.15 Power Feed

    Maintenance Power Feed 5.15 Power Feed 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 102 Maintenance Power Feed Retighten the motor bolts and replace the feed motor cover. Turn bolt Loosen four clockwise motor to tighten belt mount bolts 3H0292 Remove four cover bolts and belt cover FIG. 5-17 Periodically check the belt for wear. Replace any damaged or worn belts as needed. 5-31 30S97doc041910 Maintenance...
  • Page 103 Maintenance Power Feed 2. Adjust the power feed chain as needed. Measure the power feed chain tension with the saw head all the way toward the front of the mill. Use the two lock nuts at the rear of the mill to tighten or loosen the power feed chain.
  • Page 104 Maintenance Power Feed See Figure 5-19. Refer to the diagram for power feed chain routing instructions. Route chain under bottom sprocket, between both sprockets, then over Feed Chain top sprocket Sprockets 3H0692 FIG. 5-19 3. Inspect the power feed motor brushes every 750 hours of operation. Remove brush dust and replace the brushes if they worn to a length of 5/8”...

  • Page 105: 5.16 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 106 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 107: Maintenance Log

    MAINTENANCE LOG (Check Engine And Option Manuals For Additional Maintenance Procedures) Lubricate Blade Guide Rollers (If Applicable) See Section 5.2 Daily - Every 4 Hours 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...
  • 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. 550 HRS 600 HRS 650 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. 1050 HRS 1100 HRS 1150 HRS...
  • Page 110 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 111 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 112 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 113: 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 114 Troubleshooting Guide Sawing Problems PROBLEM CAUSE SOLUTION Boards Thick Or Thin On Stress in log which causes log After log has been squared, take equal cuts Ends Or Middle Of Board. to not lay flat on the bed. off opposing sides. Take a board off the top.

  • Page 115: Electrical Problems

    Troubleshooting Guide Electrical Problems Electrical 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 116 Replace drum switch or remove control panel cover and clean and lubricate con- tacts NOTE: Use only contact grease supplied by Wood-Mizer. Drum switch spring broken. Manually move the power feed or up/down switch back to neutral or "off" position.
  • Page 117 Troubleshooting Guide Electrical Problems PROBLEM CAUSE SOLUTION Up/Down Or Power Feed System overload or bind Correct problem (See Section Motors Overheat And Lose occurred. ). Allow motor to cool Power. before restarting. Normal operation factors Allow motor to cool before exceeded (eg: up/down con- restarting.
  • Page 118 If connec- Functions Occurs tions are good, replace sole- (Up/down, Fwd/rev, Blade noid. For mills LT30 Super rev. Guide Functions Do Not G1.01, LT40 Super rev. G2.01 Work). and later, use kit 016372 only.

  • 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 LT30 Super Rev. G6.00+ LT40 Super Rev. G7.00+ LED lights are provided on the control module to help troubleshoot any feed problems you may encounter. See Figure 6-1. The lights can be viewed by removing the rear control box panel.

  • Page 122: Lt30 Super Rev. F7.00 - G5.00 Lt40 Super Rev. F8.00 - G6.00

    Troubleshooting Guide LT30 Super Rev. F7.00 - G5.00 LT40 Super Rev. F8.00 - G6.00 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. If not, then the control module may be damaged.
  • Page 123 Wood-Mizer. The light will flash about once every second and will deactivate the output circuit. If the power feed motor is a Wood-Mizer replacement, replace the circuit board.

  • Page 124: Engine/Motor And Drive Pulleys Alignment

    Troubleshooting Guide Engine/Motor and Drive Pulleys Alignment 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: 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 126: 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 127: 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 128: Fuse Terminal Extension Stud

    Troubleshooting Guide Fuse Terminal Extension Stud Fuse Terminal Extension Stud 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 129 Troubleshooting Guide Fuse Terminal Extension Stud 4. Connect the negative cable from the charger or jumper cables to a grounded metal sur- face. The mounting bolts on the bottom of the control box are an acceptable ground. 5. Charge or jump the battery until it can supply enough power to raise the saw head. 6.

  • Page 130: 6.10 Circuit Breaker Operation

    Troubleshooting Guide Circuit Breaker Operation 6.10 Circuit Breaker Operation LT30 Super Rev. G3.00+ LT40 Super Rev. G4.00+ Sawmill controls are equipped with manual reset circuit breakers to protect the electrical circuits. See Figure 6-4. The power feed and up/down breakers are externally mounted at the front of the control box.

  • Page 131: Lt30 Super Rev. F7.00 - G2.01 Lt40 Super Rev. F8.00 - G3.01

    Troubleshooting Guide LT30 Super Rev. F7.00 - G2.01 LT40 Super Rev. F8.00 - G3.01 LT30 Super Rev. F7.00 - G2.01 LT40 Super Rev. F8.00 - G3.01 Super models are equipped with manual reset circuit breakers to protect the up/down and power feed electrical circuits.

  • Page 132: 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 133: 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 134 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 135: 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 136 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 137 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 138 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 139 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 140: 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 141 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 142: 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 143 Sawmill Alignment Routine Alignment Procedure 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’ 1/8" [3 mm] less than ’B’ ±1/8" [3 mm]). Sawmill Alignment 30S97doc041910 7-12...
  • Page 144 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 145: 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 146 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 HIGH PERFORMANCE ROLLER/BLOCK GUIDES 2. Measure the distance between the flange on the outer blade guide roller to the back edge of the blade.

  • Page 147: 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 148 Sawmill Alignment Routine Alignment Procedure See Figure 7-14. Loosen the side support mounting bolt. If the side support mounting pin is equipped with a square hole (after 6/00), use a 3/8" ratchet to rotate the pin until the side support is square to the bed. For previous side supports, use a mallet to move the side support.

  • Page 149: 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 head 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 (or stainless steel sleeve if applicable), near the inner blade guide assembly.

  • Page 150: Complete Alignment Procedure

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

  • Page 151: 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 152: Saw Head Slide Pad Adjustment

    The cutting head may fall, causing severe injury or death. Sawmills prior to LT30 Super Rev. G8.00 and LT40 Super Rev. G9.00 have sixteen pads. Only uppermost and lowermost pads are required. Middle pads do not provide any function and may be removed.
  • Page 153 Sawmill Alignment Complete Alignment Procedure 2. Make sure the saw head is adjusted up off the safety chain to ensure the chain is not affecting the alignment of the mast pads. 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.

  • Page 154: 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 155 30 ft.-lbs torque. Tighten the top and bottom jam nuts. NOTE: Sawmills prior to LT30 Super Rev. H3.00 and LT40 Super Rev. H4.00 are equipped with socket set screws rather than hex bolts. Adjustment of either type bolt is simi- lar.
  • Page 156 Tighten the top and bottom jam nuts. NOTE: Sawmills prior to LT30 Super Rev. H3.00 and LT40 Super Rev. H4.00 are equipped with socket set screws rather than hex bolts. Adjustment of either type bolt is simi- lar.
  • Page 157 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 158 Loosen the jam nut on the right adjustment screw and tighten the screw to 30 ft.-lbs torque. Tighten the left and right jam nuts. NOTE: Sawmills prior to LT30 Super Rev. H3.00 and LT40 Super Rev. H4.00 are equipped with socket set screws rather than hex bolts. Adjustment of either type bolt is simi- lar.
  • Page 159 Sawmill Alignment Complete Alignment Procedure LT30 Super rev. G4-H1/LT40 Super rev. G5-H2: See Figure 7-23. Use the horizontal adjustment bolts to adjust the horizontal alignment of the drive-side blade wheel. If the blade tracks too far back on the drive-side blade wheel, locate the long U-bolt on the right which mounts the bearing housing to the mounting plates.

  • Page 160: Track Roller Adjustment

    1. Using the feed controls, move the saw carriage so that the blade is positioned over the front pivot end rail. To adjust the bottom rollers (Sawmills prior to LT30 Super Rev. H3.00 and LT40 Super Rev. H4.00 only): 2. Check the lower roller on the bottom track rail. Make sure that the bottom rollers touch the bottom rail but remain loose enough that you can turn them with your finger.
  • Page 161 Sawmill Alignment Complete Alignment Procedure To adjust the bottom stop blocks (LT30 Super Rev. H3.00+ and LT40 Super Rev. H4.00+ only): 3. Check the lower stop blocks on the bottom track rail. Make sure that the stop blocks are adjusted 1/32"-1/16" (.75mm - 1.5mm) from the track rail. Use the vertical bolts to adjust the stop blocks.
  • Page 162 Sawmill Alignment Complete Alignment Procedure 7. Move the carriage back to the front pivot end rail. Raise the cutting head until the bottom of the blade is 17" (400 mm) above the outside of the pivot rail support by actual mea- surement with a tape or ruler.
  • Page 163 Sawmill Alignment Complete Alignment Procedure See Figure 7-27. 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 164: 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 165 Sawmill Alignment Complete Alignment Procedure See Figure 7-29. 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 166 Sawmill Alignment Complete Alignment Procedure See Figure 7-30. 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 Top Vertical Adjustment Jam Nut Tilt Adjustment Screws (4) Blade Guide Shaft Centered Roller Flange In Block Bottom Vertical Adjustment Jam Nut 3H0802-15 FIG. 7-31 STANDARD ROLLER GUIDES Top Vertical Adjustment Jam Nut 3H0802-16C Bottom Vertical Adjustment Jam Nut FIG.

  • Page 169: 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 170 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 7-33.
  • Page 171 Sawmill Alignment Complete Alignment Procedure See Figure 7-34. 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 172 Sawmill Alignment Complete Alignment Procedure See Figure 7-35. 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 173 Sawmill Alignment Complete Alignment Procedure See Figure 7-36. 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 174: 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 175 Sawmill Alignment Complete Alignment Procedure ment screws. The screws may shear. Top Vertical Adjustment Jam Nut 3H0802-16C Bottom Vertical Adjustment Jam Nut FIG. 7-38 2. Repeat for the other blade guide. NOTE (Standard Roller Guides Only): Be sure that the blade guide deflector rod clears the blade on both guide assemblies.

  • Page 176: 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 177 Sawmill Alignment Complete Alignment Procedure See Figure 7-40. 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 178: 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 179 Sawmill Alignment Complete Alignment Procedure 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’ 1/8" [3 mm] less than ’B’ ±1/8" [3 mm]). Sawmill Alignment 30S97doc041910 7-48...
  • Page 180 Sawmill Alignment Complete Alignment Procedure See Figure 7-42. 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 181: 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 182 Sawmill Alignment Complete Alignment Procedure Loosen top and one side adjustment screw 1/16” (Inner Blade Guide) 1/8” (Outer Blade Guide) 3H0802-6D FIG. 7-43 HIGH PERFORMANCE ROLLER/BLOCK GUIDES 2. Measure the distance between the flange on the outer blade guide roller to the back edge of the blade.

  • Page 183: 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 184 Sawmill Alignment Complete Alignment Procedure See Figure 7-45. Loosen the side support mounting bolt. If the side support mounting pin is equipped with a square hole (after 6/00), use a 3/8" ratchet to rotate the pin until the side support is square to the bed. For previous side supports, use a mallet to move the side support.

  • Page 185: 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 186: 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 187 Sawmill Alignment Complete Alignment Procedure See Figure 7-48. 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 188: 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 (or stainless steel sleeve if applicable), near the inner blade guide assembly.

  • Page 189: Board Return Bracket

    Sawmill Alignment Complete Alignment Procedure 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 190: Index

    INDEX alignment maintenance lower track rollers 7-29 blade guide main bed rails 7-33 blade tensioner 5-15 slide pad adjustment 7-29 blade wheel belts 5-16, 5-17 brake adjustment 5-18 brake strap 5-18 carriage track/wipers 5-8, 5-9 clutch detent 5-23 drive bearing 5-24 battery drive belt...
  • Page 191 scale blade height operation 4-13 inch height 4-14 quarter inch 4-15 service information branch locations customer & sawmill ID general contact info setup portable sawmill stationary sawmill 3-1, 3-3 switch power feed & up/down maintenance 5-12 tensioner maintenance 5-15 troubleshooting electrical problems power feed problems sawing problems...

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Lt40 superLt30Lt40

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