Wood-mizer LT40DC Series User Manual
  1. Manuals
  2. Brands
  3. Wood-mizer Manuals
  4. Saw
  5. LT40DC Series
  6. User manual
Wood-mizer LT40DC Series User Manual

Wood-mizer LT40DC Series User Manual

Sawmill
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the LT40DC Series and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Wood-mizer LT40DC Series

Summary of Contents for Wood-mizer LT40DC Series

  • Page 3 ® Wood-Mizer Sawmill Safety, Setup, Operation & Maintenence Manual LT40DC Series MH rev. E2.00 Safety is our #1 concern! Read and understand all safety information and instructions before oper- ating, setting up or maintaining this machine. February 1998 Form #533...
  • Page 4 +48-63-2626000 or +48-3912-1319. From the continental U.S., call our toll-free Parts hotline at 1-800-448-7881. Please have the vehicle identification number and your cus- tomer number ready when you call. Wood-Mizer will accept these methods of payment: Visa, Mastercard, or Select Purchase...
  • Page 5 Sawmill and Customer Identification Each Wood-Mizer sawmill has a 17-digit Vehicle Identification Number (VIN). See the fig- ure below for VIN locations. See the chart for VIN description. 300119 V.I.N. LOCATIONS. F9 017 F9 .01 V.I.N. DESCRIPTION 30Sdoc120507...
  • Page 6 Each sawmill is also identified with a model number which includes the base model and the engine/motor configuration. See the figure for a description of the model number. LT40 Engine/Motor Basic Sawmill I.D. Configuration MODEL NUMBER DESCRIPTION. When you pick up your mill, you will receive a customer number. Both the VIN and your customer number expedite our service to you.

  • Page 7: Table Of Contents

    Table of Contents Section-Page SECTION 1 SAFETY & GENERAL INFORMATION Blade Handling......................1-2 Sawmill Setup......................1-3 Sawmill Operation..................... 1-4 Sawmill Maintenance ....................1-7 Belt Sizes ......................... 1-13 Blade Sizes ......................1-14 Cutting Capacity...................... 1-15 Engine/Motor Specifications ................... 1-16 Dust Extractor Specifications .................. 1-16 1.10 Overall Dimensions ....................
  • Page 8 Table of Contents Section-Page SECTION 3 MAINTENANCE Wear Life........................3-1 Blade Guides ......................3-2 Sawdust Removal ...................... 3-4 Carriage Track, Wiper & Scrapers ................3-5 Vertical Mast Rails ....................3-6 Drum Switches ......................3-6 Miscellaneous ......................3-7 Blade Tensioner......................3-8 Blade Wheel Belts ....................
  • Page 9 Table of Contents Section-Page SECTION 5 SAWMILL ALIGNMENT Pre-Alignment Procedures..................3-1 Frame Setup....................... 3-2 Blade Installation And Alignment................3-3 Saw Head Slide Pad Adjustment................3-6 Adjusting The Lower Track Rollers................3-8 Adjusting Bed Rails To The Blade................3-11 Blade Guide Arm Vertical Adjustment ..............3-14 Blade Guide Arm Horizontal Adjustment...............

  • Page 10: Safety & General Information

    Wood-Mizer sawmill. All Wood-Mizer mill owners are encouraged to become thor- oughly familiar with these applicable laws and comply with them fully while using or tow- ing the mill.

  • Page 11: Blade Handling

    Safety & General Information Blade Handling Blade Handling 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 12: Sawmill Setup

    Safety & General Information Sawmill Setup Sawmill Setup WARNING! Chock the trailer wheels to prevent movement before unhitching it from the towing vehicle. Failure to do so may result in serious injury or death. WARNING! Failure to put front outrigger down before mov- ing cutting head from the rest position may result in serious injury.

  • Page 13: Sawmill Operation

    Safety & General Information Sawmill Operation Sawmill 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 14 Safety & General Information Sawmill Operation WARNING! Secure all loose clothing and jewelry before operating the sawmill. Failure to do so may result in serious injury or death. WARNING! Always make sure log is clamped securely before sawing. Failure to do so may result in serious injury or death.
  • Page 15 Safety & General Information Sawmill Operation result in severe machine damage. CAUTION! Be sure to stop the blade when returning the carriage. This will not only prevent the blade from being pulled off and ruined by a wood sliver, but also will increase the life of the blade.

  • Page 16: Sawmill Maintenance

    Safety & General Information Sawmill Maintenance Sawmill Maintenance WARNING! Always secure the cutting head with a chain or a brace before adjusting the up/down chain. The cutting head may fall, causing severe injury or death. WARNING! Always secure the cutting head with a chain or a brace before adjusting the mast pads.
  • Page 17 Safety & General Information Sawmill Maintenance CAUTION! Due to variations in the vertical mast, the pad spacing may vary throughout the travel of the saw head. Check the pad spacing at the top and bottom ends of the mast only. Pads adjusted too tight will cause premature up/down motor failure.
  • Page 18 Safety & General Information Sawmill Maintenance See Table 1-1. Pictogram decals used to warn and inform the user about danger in the LT40. TABLE 1-1 Decal View W-M No. Description 096317 CAUTION! Read thoroughly the manual before operating the machine. Observe all safety instructions and rules when operating the sawmill.
  • Page 19 Safety & General Information Sawmill Maintenance TABLE 1-1 099223 Blade tension - See manual. 099223 099221 CAUTION! Keep all persons a safe distance away from work area when operating the machine. 099221 098176 CAUTION! Keep away from debarker blade! 098176 099222 CAUTION! Sawdust outlet.
  • Page 20 Safety & General Information Sawmill Maintenance TABLE 1-1 099542 CAUTION! Trailer. 099542 086099 CAUTION! Keep away - hot parts! 086099 096321 Blade movement direction S12004G CAUTION! Always wear safety goggles when operating the sawmill! 1-11 30Sdoc120507 Safety & General Information...
  • Page 21 Safety & General Information Sawmill Maintenance TABLE 1-1 S12005G CAUTION! Always wear protective ear muffs when operating the sawmill! P11789 Aligning the blade on the wheels P85070 CE safety certification 099401 Russian safety certification 099401 Safety & General Information 30Sdoc120507 1-12...

  • Page 22: Belt Sizes

    Safety & General Information Belt Sizes Belt Sizes See Table 1-2. Belt sizes for the LT40 Series MH are shown. Description Belt Size Wood-Mizer Part # Motor Drive Belt (E25 50Hz) 3BX74 014249 Engine Drive Belt (D42) 3BX72 014085 Alternator Belt (D42)

  • Page 23: Blade Sizes

    Blade Sizes Blade Sizes See Table 1-3. Wood-Mizer TRU•SHARP™ offers three types of blades to provide effi- cient sawing for all models of sawmills. The engine/motor size of your sawmill and the type of wood you saw should determine which blade you choose for optimum perfor- mance.

  • Page 24: Cutting Capacity

    Safety & General Information Cutting Capacity Cutting Capacity See Table 1-4. The log size capacities of the LT40 SeriesMH sawmills are listed below. Max. Max. Diameter Length LT40 S MH 36" (91.5 cm) 16' 8" (5.1 m) LT40M MH 36" (91.5 cm) 21' (6.4 m) LT40 S MH with Optional 6' Bed 36"...

  • Page 25: Engine/Motor Specifications

    TABLE 1-6 Use diesel fuel for D42. The electric motors supplied on Wood-Mizer sawmills carry a rating assigned by the motor manufacturer for the continuous duty operation of the motor, potentially, 24 hours per day, day after day. This rating is useful in sizing motors for use in applications like blowers for heating and ventilation that are never cycled off except for system maintenance.

  • Page 26: Overall Dimensions

    0.25 mp Weight 110 kg Recommended conveying air 20 m/s velocity in the duct TABLE 1-1 1.10 Overall Dimensions See Table 1-2. The overall dimensions of the Wood-Mizer sawmills are listed below. Model With Weight Weight Length Width Height (Operating Position...

  • Page 27: Components

    Safety & General Information Components 1.12 Components See Figure 1-1. The major components of the Wood-Mizer LT40 Series MH are shown below. Engine/Drive Assembly Water Lube Cutting Head Outer Blade Guide Arm Clutch/Brake Handle Blade Side Support Tensioner Control Log Clamp...

  • Page 28: Setup & Operation Stationary Sawmill Setup

    Setup & Operation Stationary Sawmill Setup SECTION 2 SETUP & OPERATION Stationary Sawmill Setup See Figure 2-1. Set up the mill on firm footing and level by eye. Fasten the mill to the floor to prevent any creep after prolonged use. A cement pad with 5/8” diameter anchor bolts is recommended.
  • Page 29 Setup & Operation Stationary Sawmill Setup 1. Unhook the carriage safety chain, located at the bottom of the vertical mast, near the bat- tery box. 2. Turn the key switch on the control panel to the accessory (#3) position to enable the bat- tery-operated accessories.

  • Page 30: Portable Sawmill Setup

    Setup & Operation 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 31 Setup & Operation Portable Sawmill Setup 3. Unhook the carriage safety chain, located at the bottom of the vertical mast near the bat- tery box. 4. Turn the key switch on the control panel to the accessory (#3) position to enable the bat- tery-operated accessories.

  • Page 32: Middle Track Cover

    Setup & Operation Middle Track Cover Middle Track Cover Before operating the sawmill do as follows: 1. Clean the upper and lower rails to remove any sawdust and rust preventives. 2. Unbolt and remove the middle track cover from its storage position. 3.

  • Page 33: Replacing The Blade

    Setup & Operation 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 34: Tensioning The Blade

    Setup & Operation Tensioning The Blade Tensioning The Blade See Figure 2-5. 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. 2-5 See Table 2-1.

  • Page 35: Tracking The Blade

    Setup & Operation 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. Pull lightly on the clutch handle, rotating the blade until the blade positions itself on the wheels.
  • Page 36 Setup & Operation Tracking The Blade 6. Retension the blade to the recommended tension to compensate for any adjustments you have made in the cant control. 7. Replace the blade housing covers. DANGER! Make sure all guards and covers are in place and secured before operating or towing the sawmill.

  • Page 37: Starting The Engine (Or Motor)

    Setup & Operation 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 38: Board Return

    Setup & Operation 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 39 Setup & Operation Board Return Install the table at the front of the sawmill bed with the outrigger toward the loading side of the sawmill. See Figure 2-7. 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 40 Setup & Operation 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 2-8.

  • Page 41: Loading, Turning, And Clamping Logs

    Setup & Operation Loading, Turning, and Clamping Logs Loading, Turning, and Clamping Logs CAUTION! Be sure the pivot rails, turning arm, clamp, and toe boards are below bed level before loading a log onto the bed. Failure to do so may result in machine damage or cause misalignment.
  • Page 42 Setup & 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. If you want to turn the log more, do the following steps.
  • Page 43 Setup & Operation Loading, Turning, and Clamping Logs See Figure 2-9. FIG. 2-9 3. Make sure the side supports are positioned low enough for the blade to pass over them. If they are not, back the clamp off slightly and push the side supports down until they are positioned below the level of your first few cuts.

  • Page 44: Up/Down Operation

    Setup & Operation Up/Down Operation 2.10 Up/Down Operation 1. Install a blade, if needed, and check for correct blade tension. (See Section 2.5). 2. Set the cutting head to the desired height. (The blade height scale shows the height of the blade above the bed rails.) See Figure 2-10.

  • Page 45: Blade Guide Arm Operation

    Setup & Operation Blade Guide Arm Operation 2.11 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 46: Clutch/Brake Operation

    Setup & Operation Clutch/Brake Operation 2.12 Clutch/Brake Operation 1. Clear any loose objects from the area of the blade, motor, and drive belt. 2. Make sure the clamp and side supports are adjusted below the level of your first few cuts. 3.
  • Page 47 Setup & Operation Clutch/Brake Operation 4. To engage the blade, pull the 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. 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 48: Power Feed Operation

    Setup & Operation Power Feed Operation 2.13 Power Feed Operation See Figure 2-13. The power feed system moves the carriage forward and backward by using two switches on the control panel. Carriage Forward Forward Feed Rate Carriage Reverse 3H0280a1 FIG. 2-13 Carriage Feed Rate The carriage feed rate switch controls the speed at which the carriage travels forward.
  • Page 49 Setup & 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 HINT: To get a straight cut in the first part of the board, feed the blade into the log at a slow speed.

  • Page 50: Cutting The Log

    Cutting The Log 2.14 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 51 Setup & 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 52: Edging

    Setup & Operation Edging 2.15 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 53: Optional Cutting Procedure For Super Series Mills

    Setup & Operation Optional Cutting Procedure for Super Series Mills 2.16 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 54: Blade Height Scale

    Setup & Operation Blade Height Scale 2.17 Blade Height Scale See Figure 2-14. 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 Quarter Indicator Scale Inch Scale...
  • Page 55 Setup & Operation Blade Height Scale The Inch Scale The horizontal red line on the blade height indicator shows how many inches the bottom of the blade is above the bed of the mill. If you know the height of your blade at each cut, you can determine the thickness of lumber you are sawing.
  • Page 56 Setup & Operation Blade Height Scale The Quarter Scale See Table 2-2. 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 57: Water Lube Operation

    Setup & Operation Water Lube Operation 2.18 Water Lube Operation See Figure 2-15. The Water Lube System keeps the blade clean. Water flows from a 5-gallon (18.9 liter) bottle through a hose to the blade guide where the blade enters the log.
  • Page 58 Setup & 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. To remove water from the water valve on Super models, turn the key switch to accessory (#3), turn the feed rate knob down to ‘0’...

  • Page 59: Preparing The Sawmill For Towing

    Setup & Operation Preparing The Sawmill For Towing 2.19 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 60 Setup & Operation Preparing The Sawmill For Towing 5. Continue lowering the head 3/4" (19mm) until it contacts the stop blocks on the mast rails. CAUTION! It is important that the lower stop bolts are prop- erly adjusted to secure the carriage on the track rail. Failure to properly adjust the stop bolts can cause saw head dam- age, especially during mill transportation.
  • Page 61 Setup & Operation Preparing The Sawmill For Towing 8. Hook the carriage safety chain located at the bottom of the carriage to the bracket at the bottom of the mast. See Figure 2-18. FIG. 2-18 9. Store the loading ramps on the bed rails. Secure to the bed with the two retaining brack- ets.

  • Page 62: Manual Toe Board

    Setup & Operation Manual Toe Board 2.20 Manual Toe Board In many cutting operations, particularly cutting for grade, it is desirable to cut tapered logs parallel to the heart of the log. The optional toe boards allow the operator to lift either end of a log to parallel the heart to the path of the blade.
  • Page 63 Setup & Operation Manual Toe Board See Figure 2-20. FIG. 2-20 4. Remove the toe board crank handle. Clamp the log against the side supports and make the desired number of cuts. When the log is rotated 180 degrees, lower the toe board so that the flat portion of the log now lies flat on the bed rails.
  • Page 64 Setup & Operation Manual Toe Board levelled must rest on the sawmill bed. CAUTION! While levelling, never place your hands under the log. CAUTION! Always be sure the toe boards are low- ered all the way before loading a log onto the bed. 2-37 30Sdoc120507 Setup &...

  • Page 65: Maintenance

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

  • Page 66: Blade Guides

    Maintenance Blade Guides Blade Guides 1. Check the rollers for performance and wear every blade change. Make sure the rollers are clean and spinning freely. If not, rebuild them. Replace any rollers which have worn smooth or have become cone shaped. See The LT40 Parts manual for blade guide rebuild kits and complete roller assemblies.
  • Page 67 Maintenance Blade Guides clamp bolt. Use the provided adjustment tool. to raise bottom disk Retighten the bottom disk mounting bolt and clamp bolt.See Section: IMPORTANT! The inserts should be parallel to the blade. Check the space between the insert and the blade at each side of the insert to insure it is parallel.

  • Page 68: Sawdust Removal

    Maintenance Sawdust Removal Sawdust Removal 1. Remove the excess sawdust from the blade wheel housings and sawdust chute every blade change. 2. Remove sawdust buildup as necessary from the battery box lid and top rail cover. CAUTION! Failure to remove sawdust buildup from the bat- tery box lid and/or track rail cover could result in damage to these parts when the saw head is lowered to its lowest position.

  • Page 69: Carriage Track, Wiper & Scrapers

    Maintenance Carriage Track, Wiper & Scrapers Carriage Track, Wiper & Scrapers See Figure 3-3. 1. Clean the upper and lower track rails to remove any sawdust and sap buildup every eight hours of operation. Lubricate the lower track rail by wiping it with Dexron III ATF. 2.

  • Page 70: Vertical Mast Rails

    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 71: Miscellaneous

    Maintenance Miscellaneous Miscellaneous 1. Apply a thin film of a NLGI No. 2 grade lithium grease to the blade guide arm every fifty hours of operation to help prevent it from rusting. 2. Lubricate the log turner (if equipped) with a NLGI No. 2 grade lithium grease every fifty hours of operation.

  • Page 72: Blade Tensioner

    Maintenance Blade Tensioner Blade Tensioner 1. Lubricate the chrome rods of the tensioner system with a heavy duty teflon spray lubri- cant, such as Gunk L508, every fifty hours of operation. 2. Lubricate the tensioner screw handle with a NLGI No. 2 grade lithium grease as needed. See Figure 3-4.
  • Page 73 Maintenance Blade Tensioner 3. Add an Automatic Transmission Fluid (ATF) such as Dexron III ATF to the hydraulic blade tensioner as needed. See Figure 3-5. To add enough fluid to completely fill the tensioner block: Remove the tensioner handle and ball. Remove the sawmill blade housing covers, blade and idle-side blade wheel.

  • Page 74: Blade Wheel Belts

    Maintenance Blade Wheel Belts Blade Wheel Belts 1. Rotate the blade wheel belts and check them for wear. Rotating the belts every 50 hours will give you longer belt life. Replace belts as necessary. Use only B57 belts manufac- tured by Goodyear or Browning. 2.

  • Page 75: Drive Belt Adjustment

    Maintenance Drive Belt Adjustment 3.11 Drive Belt Adjustment WARNING! Do not for any reason adjust the engine drive belts or belt support bracket with the engine running. Doing so may result in serious injury. See Table 3-2. Check the drive belt tension after the first 20 hours, and every 50 hours thereafter.
  • Page 76 Maintenance Drive Belt Adjustment 3. For Autoclutch Option: 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, counterclockwise to loosen the belt. See Figure 3-8.
  • Page 77 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 78: Clutch Handle Adjustment

    Maintenance Clutch Handle Adjustment 3.12 Clutch Handle Adjustment After the drive belts and brake strap are properly adjusted, the clutch handle should lock in the down position when the drive belts are engaged. If the clutch handle does not stay locked, adjust the handle turnbuckle.

  • Page 79: Autoclutch Option Adjustment

    Maintenance Autoclutch Option Adjustment 3.13 Autoclutch Option Adjustment If your sawmill is equipped with the Autoclutch option, check the clutch linkage after every drive belt or brake strap adjustment. 1. Remove the blade from the sawmill. 2. Remove the inside belt guard and push the Autoclutch switch up to engage the drive belts.

  • Page 80: Drive Bearing

    Maintenance Drive Bearing 3.14 Drive Bearing Refill the fluid in the drive-side cylinder bearing housing every 500 hours of operation. Remove the top and bottom oil plugs. Pour an Automatic Transmission Fluid (ATF) such as UNIVIS J26 or Dexron III ATF into the top hole until it begins to flow from the bottom hole.

  • Page 81: Up/Down System

    Maintenance Up/Down System 3.15 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 3-13. Up/Down Gear Reducer Shaft Bearing 3H0016B FIG. 3-13 2. Super model up/down systems feature a spring loaded belt design. Belt tension is auto- matically maintained and requires no adjustment.
  • Page 82 See Figure 3-14. FIG. 3-14 4. Check the up/down gearbox oil level. Add a synthetic gear oil such as Mobil SHC 634 as needed. Wood-Mizer offers replacement gear oil in 8 ounce bottles (2 required for complete oil replacement). 3-18 30Sdoc120507...

  • Page 83: Power Feed

    Maintenance Power Feed 3.16 Power Feed 1. Adjust the power feed belt as needed. When the power feed belt gets loose, it will begin slipping. This causes the carriage to not move forward when cutting. To retighten the belt: See Figure 3-15. Remove the four cover bolts and belt cover and measure the belt ten- sion.
  • Page 84 Maintenance Power Feed See Figure 3-16. 3H0018B Feed Chain Adjustment Nuts FIG. 3-16 3-20 30Sdoc120507 Maintenance...
  • Page 85 LT40 Series MH Short Interval Maintenance Schedule (Check engine and option manuals for additional maintenance procedures) PROCEDURE MANUAL REFERENCE EVERY BLADE CHANGE Check Blade Guide Roller Performance See Section 3.2 Remove Excess Sawdust From Blade Wheel Housings And Sawdust Chute See Section 3.3 Check Blade Screw See Section 3.2...
  • Page 86 WOOD-MIZER LT40 SERIES MH MAINTENANCE LOG (Check Engine And Option Manuals For Additional Maintenance Procedures) PROCEDURE MANUAL TOTAL HOURS OF OPERATION REFERENCE FILL IN THE DATE AND THE MACHINE HOURS AS YOU PERFORM EACH PROCEDURE. A SHADED BOX INDICATES MAINTENANCE IS NOT NEEDED AT THIS TIME.
  • Page 87 WOOD-MIZER LT40 SERIES MH MAINTENANCE LOG (Check Engine And Option Manuals For Additional Maintenance Procedures) PROCEDURE MANUAL TOTAL HOURS OF OPERATION REFERENCE FILL IN THE DATE AND THE MACHINE HOURS AS YOU PERFORM EACH PROCEDURE. A SHADED BOX INDICATES MAINTENANCE IS NOT NEEDED AT THIS TIME.
  • Page 88 WOOD-MIZER LT40 SERIES MH MAINTENANCE LOG (Check Engine And Option Manuals For Additional Maintenance Procedures) PROCEDURE MANUAL TOTAL HOURS OF OPERATION REFERENCE FILL IN THE DATE AND THE MACHINE HOURS AS YOU PERFORM EACH PROCEDURE. A SHADED BOX INDICATES MAINTENANCE IS NOT NEEDED AT THIS TIME.
  • Page 89 WOOD-MIZER LT40 SERIES MH MAINTENANCE LOG (Check Engine And Option Manuals For Additional Maintenance Procedures) PROCEDURE MANUAL TOTAL HOURS OF OPERATION REFERENCE FILL IN THE DATE AND THE MACHINE HOURS AS YOU PERFORM EACH PROCEDURE. A SHADED BOX INDICATES MAINTENANCE IS NOT NEEDED AT THIS TIME.
  • Page 90 WOOD-MIZER LT40 SERIES MH MAINTENANCE LOG (Check Engine And Option Manuals For Additional Maintenance Procedures) PROCEDURE MANUAL TOTAL HOURS OF OPERATION REFERENCE FILL IN THE DATE AND THE MACHINE HOURS AS YOU PERFORM EACH PROCEDURE. A SHADED BOX INDICATES MAINTENANCE IS NOT NEEDED AT THIS TIME.
  • Page 91 WOOD-MIZER LT40 SERIES MH MAINTENANCE LOG (Check Engine And Option Manuals For Additional Maintenance Procedures) PROCEDURE MANUAL TOTAL HOURS OF OPERATION REFERENCE FILL IN THE DATE AND THE MACHINE HOURS AS YOU PERFORM EACH PROCEDURE. A SHADED BOX INDICATES MAINTENANCE IS NOT NEEDED AT THIS TIME.
  • Page 93 Troubleshooting Guide Sawing Problems SECTION 4 TROUBLESHOOTING GUIDE Sawing Problems PROBLEM CAUSE SOLUTION Blades Dull Quickly Dirty logs Clean or debark logs, espe- cially on entry side of the cut When grinding teeth, heating Grind just enough metal to too much and causing teeth to restore sharpness to the soften teeth.

  • Page 94: Troubleshooting Guide Sawing Problems

    Troubleshooting Guide Sawing Problems PROBLEM CAUSE SOLUTION Boards Thick Or Thin On Stress in log which causes log After log has been squared, Ends Or Middle Of Board. to not lay flat on the bed. take equal cuts off opposing sides.

  • Page 95: Electrical Problems

    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 96 Troubleshooting Guide Electrical Problems Up/Down Or Power Feed System overload or bind Correct problem. See Section Motors Overheat And Loose occurred. 4.3 Power Feed Problems. Power. Allow motor to cool before restarting. Normal operation factors Allow motor to cool before exceeded (eg: up/down con- restarting.

  • Page 97: 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 98 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 99: 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 4-1. The lights can be viewed by removing the rear control box panel. DETAIL Detail 3H0400B-3...
  • Page 100 Troubleshooting Guide Power Feed Circuit Troubleshooting damaged. Call Customer Service for assistance. PWR - Indicates battery power is present at the power feed control circuit board. Sdoc120507 Troubleshooting Guide...

  • Page 101: Engine/Motor And Drive Pulleys Alignment

    Troubleshooting Guide Engine/Motor and Drive Pulleys Alignment Engine/Motor and Drive Pulleys Alignment 1. Install the drive belt. 2. Use a straight edge to align the engine/motor pulley to the drive pulley. Also check that the engine pulley is within 1/8" square with the drive pulley. Loosen the engine mounting bolts and rotate the engine if necessary.
  • Page 102 Troubleshooting Guide Power Feed Mechanical Test 6. Make sure the power feed chain cam bearing is not touching the main frame tube. 7. Make sure there is no sap or rust on the rails. 8. Make sure the block on the lower track roller assembly is not rubbing the lower rail. Also make sure the track rollers are not too tight.

  • Page 103: 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 104 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 105: 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 4-3. The power feed and up/down breakers are externally mounted at the front of the control box. The blade guide, accessory, ignition, start, and board return breakers are located inside the control box.

  • Page 106: Sawmill Alignment

    SECTION 5 SAWMILL ALIGNMENT Pre-Alignment Procedures 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 107: Frame Setup

    Sawmill Alignment Frame Setup Frame Setup Stationary sawmills should be setup on firm, level ground before proceeding with align- ment. Shim the feet so the weight of the sawmill is evenly supported. Portable sawmills should also be setup on firm, level ground: LT40S: Adjust the two middle outriggers on the main frame tube down just enough to lift weight from the trailer tire.

  • Page 108: Blade Installation And Alignment

    Sawmill Alignment Blade Installation And Alignment Blade Installation And Alignment See Figure 5-1. Install a blade and apply the appropriate tension (See Section 2.5). Blade tension is adjusted with the tension handle shown. Blade Tensioner Gauge Blade Tensioner Handle Cant Control SM0243 FIG.
  • Page 109 Sawmill Alignment Blade Installation And Alignment See Figure 5-2. The blade wheels should be adjusted so that the gullet of 1 1/4" blades ride 3.0 mm (0.12") out from the front edge of the wheels (± 1.0 mm[0.04"]). The gullet of 1 1/2"...
  • Page 110 Sawmill Alignment Blade Installation And Alignment See Figure 5-3. For horizontal adjustment, use the horizontal adjustment bolts. If the blade is running 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. Loosen the hex nuts on the U-bolt (on the back side of the back plate).

  • Page 111: Saw Head Slide Pad Adjustment

    Sawmill Alignment Saw Head Slide Pad Adjustment Saw Head Slide Pad Adjustment There are eight nylon pads positioned between the saw head frame and vertical mast. The spacing of the pads is factory set and rarely needs adjusting. To check the pad spac- ing, perform the following steps.
  • Page 112 Sawmill Alignment Saw Head Slide Pad Adjustment 1. Raise the saw head to the top of the vertical mast and secure the saw head with a chain at the top, or shim it underneath. Check the top set of four pads.The outer two pads should be touching the mast rails.

  • Page 113: Adjusting The Lower Track Rollers

    Sawmill Alignment Adjusting The Lower Track Rollers Adjusting The Lower Track Rollers See Figure 5-5. Making these adjustments correctly will give you square cuts and accu- rate dimensions across the width of your boards. 1. Using the feed controls, move the saw carriage so that the blade is positioned over the front pivot end rail.
  • Page 114 Sawmill Alignment Adjusting The Lower Track Rollers SM0135B Upper Rollers (4) Stop Screw (2) Stop Bolt (2) Inside Lower Rollers (2) Bottom Lower Horizontal Rollers (2) Vertical Adjustment Adjustment Bolt Nuts FIG. 5-5 5. Remove the blade guides, or adjust them so that they do not touch the blade. 6.
  • Page 115 Sawmill Alignment Adjusting The Lower Track Rollers See Figure 5-6. 17" (400 mm) to blade SM0137 FIG. 5-6 8. Move the carriage forward to check the distance to the blade at the inside of the pivot rail support. All measurements should be equal within ± 1.0 mm. 9.

  • Page 116: Adjusting Bed Rails To The Blade

    Sawmill Alignment Adjusting Bed Rails To The Blade Adjusting Bed Rails To The Blade 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). 2.
  • Page 117 Sawmill Alignment Adjusting Bed Rails To The Blade See Figure 5-8. SM0134B 15" (375mm) to blade 15 1/32" (375mm) to blade Inner Height Adjustment Outer Height Adjustment B lt FIG. 5-8 9. Loosen the jam nut and turn the outer adjustment bolt to adjust the height of the outer end of the pivot rail.
  • Page 118 Sawmill Alignment Adjusting Bed Rails To The Blade See Figure 5-9. FIG. 5-9 12. Loosen the bed rail clamping bolts and turn the adjustment bolts to move the bed rails to the blade if necessary. 13. Retighten the clamping bolts and adjustment bolts. 14.

  • Page 119: Blade Guide Arm Vertical Adjustment

    Sawmill Alignment Blade Guide Arm Vertical Adjustment Blade Guide Arm Vertical Adjustment 1. Move the saw head so that the blade guide arm is directly over a bed rail. 2. Adjust the blade guide arm out to within 1/2" (15 mm) of full open. 3.
  • Page 120 Sawmill Alignment Blade Guide Arm Vertical Adjustment 6. The rollers are mounted on cam bolts that raise or lower the arm when turned. To adjust the rollers, locate the cam bolt head inside the housing and turn until the arm is lowered or raised as needed.

  • Page 121: Blade Guide Arm Horizontal Adjustment

    Sawmill Alignment Blade Guide Arm Horizontal Adjustment Blade Guide Arm Horizontal Adjustment 1. Put the blade guide assembly back in the arm (if you took it out). Put the assembly back so that the flanged collar on the roller is about 1/8" (3.0 mm) from the back of the blade when the throat is 1/2"...
  • Page 122 Sawmill Alignment Blade Guide Arm Horizontal Adjustment 3. If adjustment is needed, the guide rollers can be adjusted in or out on the threaded mounts to open or close the gap. See Figure 5-12. Adjustment Nuts Adjustment Nuts SM0066 FIG. 5-12 4.

  • Page 123: Aligning The Blade Guides

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

  • Page 124: Blade Deflection

    Sawmill Alignment Blade Deflection 5.10 Blade Deflection Perform the following steps to achieve proper blade deflection with the blade guides. 1. Raise the carriage 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. 2.

  • Page 125: Blade Guide Vertical Tilt Adjustment

    Sawmill Alignment Blade Guide Vertical Tilt Adjustment 5.11 Blade Guide Vertical Tilt Adjustment Check that the blade guide does not tilt the blade up or down. A Blade Guide Alignment Tool (BGAT) is provided to help you measure the vertical tilt of the blade. 1.
  • Page 126 Sawmill Alignment Blade Guide Vertical Tilt Adjustment See Figure 5-15. Loosen jam nuts and turn screws to tilt roller up or down Sm0070c FIG. 5-15 8. Move the carriage forward so the back end of the tool is over the bed rail. 9.

  • Page 127: Blade Guide Spacing

    Sawmill Alignment Blade Guide Spacing 5.12 Blade Guide Spacing HINT: When adjusting blade guide spacing, loosen the top set screw and one side set screw only. This will ensure horizontal and vertical tilt adjustments are maintained when the set screws are retightened. 1.

  • Page 128: Horizontal Tilt Adjustment

    Sawmill Alignment Horizontal Tilt Adjustment 5.13 Horizontal Tilt Adjustment 1. Finally, both blade guides must be tilted horizontally. Adjust the blade guide arm halfway See Figure 5-17. FIG. 5-17 2. Place the Blade Guide Alignment Tool against the face of the outer blade guide roller. 3.

  • Page 129: Blade Guide Block Adjustment

    Sawmill Alignment Blade Guide Block Adjustment 5.14 Blade Guide Block Adjustment To ensure correct cutting, adjust the gap between the blade guide block and the blade. Perform the adjustment with the blade installed and properly tensioned. See Figure 5-18. Loosen both nuts and retaining bolts. Use the adjustment bolt to raise or lower the disc until its distance from the blade is .2 - .25 mm.

  • Page 130: Horizontal Adjustment Of Side Supports

    Sawmill Alignment Horizontal Adjustment of Side Supports 5.15 Horizontal Adjustment of Side Supports 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 the side support down. 2.

  • Page 131: Vertical Adjustment Of Side Supports

    Sawmill Alignment Vertical Adjustment of Side Supports 5.16 Vertical Adjustment of Side Supports 1. Place a flat board across the bed rails. 2. Swing a side support up so that it is vertical. 3. Pull back at the top of the support to eliminate slack as if a log were being clamped against it.

  • Page 132: Clamp Stop/Stop Bolt Adjustment

    Sawmill Alignment Clamp Stop/Stop Bolt Adjustment 5.17 Clamp Stop/Stop Bolt Adjustment 1. Once the side supports are aligned, pivot them down to their horizontal position. 2. Tie a string across the face of the side supports. See Figure 5-22. 3. Loosen the clamp stop bolts and adjust the clamp stop until it touches the string. Loosen the jam nut and adjust the bolt on the middle-rear bed rail until it touches the string.

  • Page 133: Saw Head Tilt

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

  • Page 134: Blade Height Scale Adjustment

    Sawmill Alignment Blade Height Scale Adjustment 5.19 Blade Height Scale Adjustment After the entire sawmill has been aligned and all adjustments made, check that the blade height scale indicates the true distance from the blade to the bed rails. 1. Move the saw head so the blade is positioned 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).

  • Page 135: Board Return Bracket

    Sawmill Alignment Board Return Bracket 5.20 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"...

Table of Contents