Wood-mizer 1996 LT25 Safety, Setup, Operation & Maintenance Manual
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Wood-mizer 1996 LT25 Safety, Setup, Operation & Maintenance Manual

Wood-mizer 1996 LT25 Safety, Setup, Operation & Maintenance Manual

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Wood-Mizer
Sawmill
Safety, Setup, Operation
& Maintenance Manual
1996 LT25
rev. B7.00 - C1.01
Safety is our #1 concern! Read and understand all safety
information and instructions before operating, setting up or
maintaining this machine.
September 1996
Form #684

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Vance Heeter
April 23, 2025

How to put the cable on the pulleys for the log turner on the LT25. Thanks.

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Summary of Contents for Wood-mizer 1996 LT25

  • Page 1 ® Wood-Mizer Sawmill Safety, Setup, Operation & Maintenance Manual 1996 LT25 rev. B7.00 - C1.01 Safety is our #1 concern! Read and understand all safety information and instructions before operating, setting up or maintaining this machine. September 1996 Form #684...
  • Page 2 If You Need To Order Parts... From the continental U.S., call our toll-free Parts hotline at 1-800-525-8100. Please have the vehicle identification number and your customer number ready when you call. Wood-Mizer will accept these methods of payment: Visa, Mastercard, or Select Purchase Prepayment Net 15 (with approved credit) Be aware that shipping and handling charges may apply.
  • Page 3 Take notice of all safety warnings throughout this manual and those posted on the machine. Keep this manual with this machine at all times, regardless of ownership. ® *Wood-Mizer is a registered trademark of Wood-Mizer Products, Inc. 2596doc091809...
  • Page 4 Your Vehicle Identification Number And Customer Number Each Wood-Mizer sawmill has a 17-digit Vehicle Identification Number (VIN). see the fig- ure at the right for VIN locations. See the chart at the right for VIN description. Each sawmill is also identified with a model number which includes the base model and the engine/motor configuration.
  • Page 5 V.I.N. DESCRIPTION. NOTE: Sawmills manufactured before January, 1997 do not have the repeated revision level or the minor revision level. MODEL NUMBER DESCRIPTION. 2596doc091809...

  • Page 7: Table Of Contents

    Table of Contents Section-Page SECTION 1 SAFETY & GENERAL INFORMATION Blade Handling......................1-1 Sawmill Setup......................1-2 Sawmill Operation..................... 1-3 Belt Sizes ........................1-5 Blade Sizes ........................ 1-6 Cutting Capacity......................1-7 Engine/Motor Specifications ..................1-8 Overall Dimensions ....................1-9 Components......................1-10 SECTION 2 SETUP &...
  • Page 8 Table of Contents Section-Page SECTION 3 MAINTENANCE Wear Life........................3-1 Blade Guides ......................3-2 Blade Housing ......................3-3 Carriage Track, Wiper & Scrapers ................3-4 Vertical Mast Rails ....................3-5 Miscellaneous Lubrication ..................3-6 Blade Tensioner......................3-7 Blade Wheel Belts ..................... 3-8 Brake Strap Adjustment ....................

  • Page 9: Safety & General Information

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

  • Page 10: Sawmill Setup

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

  • Page 11: Sawmill Operation

    Safety & General Information Sawmill Operation Sawmill Operation DANGER! Never operate or tow the sawmill without all guards and covers in place and secured. Be sure the blade housing and pulley covers are in place and secure. Use the safety retainer pin and cable to fasten blade housing covers.
  • Page 12 Wood-Mizer sawmill. All Wood-Mizer mill owners are encouraged to become thoroughly familiar with these applicable laws and comply with them fully while using or towing the mill.

  • Page 13: Belt Sizes

    Safety & General Information Belt Sizes Belt Sizes See Table 1-1. Belt sizes for the LT25 are shown. Description Belt Size Wood-Mizer Part # Engine Drive Belt (Rev. B7-B8) BX68 P12139 Engine Drive Belt (Rev. B9) BX73 014585 Engine Drive Belt (Rev. C1+)

  • Page 14: Blade Sizes

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

  • Page 15: Cutting Capacity

    Safety & General Information Cutting Capacity Cutting Capacity See Table 1-3. The log size capacities of the LT25 and LT25L sawmills are listed below. Max. Max. Diameter Length LT25 32" (81 cm) 16’8" (5.1 m) LT25L 32" (81 cm) 21’ (6.4 m) TABLE 1-3 Maximum log capacity for a basic mill is 4400 lbs.

  • Page 16: Engine/Motor Specifications

    Safety & General Information Engine/Motor Specifications Engine/Motor Specifications The standard engine is an 11HP Briggs and Stratton model number 256422, type 0015. 2596doc091809 Safety & General Information...

  • Page 17: Overall Dimensions

    Safety & General Information Overall Dimensions Overall Dimensions See Table 1-5. The overall dimensions of the LT25 and LT25L sawmills are listed below. Model Length Width Height Weight LT25 19’ 11" (5.3 m) 6’ 2 1/2" (1.9 m) 7’ 6" (2.3 m) 1600 lbs.

  • Page 18: Components

    Safety & General Information Components Components See Figure 1-1. The major components of the Wood-Mizer LT25 and LT25L are shown below. FIG. 1-1 1-10 2596doc091809 Safety & General Information...
  • Page 20 Safety & General Information Components 1-12 2596doc091809 Safety & General Information...

  • Page 21: 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. Level by eye. Fasten the mill to the floor to prevent any creep after prolonged use. FIG.
  • Page 22 Setup & Operation Stationary Sawmill Setup DANGER! Do not operate a stationary sawmill without the feet securely fastened to the floor. If the feet are not securely fastened, loading and turning large logs could cause the sawmill to tip over. 1.

  • Page 23: 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 24 Setup & Operation Portable Sawmill Setup 1. Unhitch the mill from the vehicle. See Figure 2-3. FIG. 2-3 2. Lower and set the front three outriggers. Lift the weight from the locking pin using the jack handle. Pull the locking pin to release the outrigger and lower the outrigger as necessary. Secure with the locking pin.
  • Page 25 Setup & Operation Portable Sawmill Setup Provided Adjustment Wrench Height Adjustment Nut Existing Outrigger Guide Locking Pin FAO Base SM0213 FIG. 2-3. BASE HEIGHT ADJUSTMENT (FOR FINE ADJUST OUTRIGGER ONLY). 3. Unhook the carriage safety chain. 4. Turn the key switch on the control panel to the ACC position to enable the battery-oper- ated accessories.
  • Page 26 Setup & Operation Portable Sawmill Setup 7. Remove the fenders by lifting them out of the slots. CAUTION! To prevent fender damage, remove fenders before operating sawmill or loading logs. 8. Raise the two side supports that will prevent a log from falling off the side of the mill when loaded.

  • Page 27: Replacing The Blade

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

  • Page 28: 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 Handle SM0043 FIG.

  • Page 29: Tracking The Blade

    Setup & Operation Tracking The Blade Tracking The Blade Make sure the middle blade housing cover is closed and all persons are clear of the open side of the saw head. Start the engine. Pull lightly on the clutch handle, rotating the blade until the blade posi- tions itself on the wheels.
  • Page 30 Setup & Operation Tracking The Blade Retension the blade to the recommended tension to compensate for any adjustments you have made in the cant control. Replace the covers. DANGER! Never operate the sawmill without all guards and covers in place and secured. Be sure the blade housing and pulley covers are in place and secure.

  • Page 31: Starting The Engine

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

  • Page 32: Loading, Turning, And Clamping Logs

    Setup & Operation Loading, Turning, And Clamping Logs Loading, Turning, And Clamping Logs CAUTION! Be sure the pivot end rails, turning arm, clamp, and toe boards are out of the way before loading a log onto the bed. Be sure logs are positioned on the bed so that they will not damage the manual winch when loaded.
  • Page 33 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 34 Setup & Operation Loading, Turning, And Clamping Logs 3. Make sure the side supports are positioned low enough for the blade to pass over them. If they are not, back the clamp off slightly and push the side supports down until they are positioned below the level of your first few cuts.

  • Page 35: Up/Down Operation

    Setup & Operation Up/Down Operation Up/Down Operation 1. Install a blade, if needed, and check for correct blade tension. (See Section 2.4 Tension- ing The Blade). 2. Set the cutting head to the desired height. (The blade height scale show the height of the blade above the bed rails.) See Figure 2-8.

  • Page 36: Blade Guide Arm Operation

    Setup & Operation Blade Guide Arm Operation Blade Guide Arm Operation 1. Look down the length of the log to see its maximum width. The outer blade guide should be adjusted to clear the widest section of the log by less than 1" (25.4 mm). 2.

  • Page 37: Clutch/Brake Operation

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

  • Page 38: Feed Operation

    Setup & Operation Feed Operation 2.11 Feed Operation The feed system includes a hand crank to move the carriage forward or backward. The speed at which the carriage travels forward depends on how fast you turn the feed crank. The height of the feed crank is adjustable. There are two sets of mounting holes, one higher and one lower.
  • Page 39 Setup & Operation Feed Operation 3. Make sure that the blade does not catch on the end of the log. Raise the carriage slightly to make sure the blade clears the log when returned. HINT: Try to stop the blade while the heel of the blade is still on the log.

  • Page 40: Cutting The Log

    Cutting The Log 2.12 Cutting The Log The following steps guide you through normal operation of the Wood-Mizer sawmill. 1. Once the log is placed where you want it and clamped firmly, position the blade close to the end of the log.

  • Page 41: Edging

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

  • Page 42: Blade Height Sight Gauge

    Setup & Operation Blade Height Sight Gauge 2.14 Blade Height Sight Gauge NOTE: Sight gauge supplied on LT25 through B7526LT30 through F4731 & LT40 through F5611LT30HD through F8522, LT40HD through F8458 & LT40HD Super through F8522 only. See Figure 2-12. The sight gauge is provided on the cutting head carriage to help you decide where to make the first cuts on a log.

  • Page 43: Blade Height Scale

    Setup & Operation Blade Height Scale 2.15 Blade Height Scale See Figure 2-13. The blade height scale is attached to the carriage head frame. It includes: two blade height indicators an inch scale a quarter scale FIG. 2-13 The two indicators are plastic markers that move up and down with the cutting head. The lower indicator is used to read the inch scale, and the upper indicator is used to read the quarter scale.
  • Page 44 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 45 Setup & Operation Blade Height Scale The Quarter Scale See Table 2-2. The quarter scale has four sets of marks. Each set represents a specific lumber thickness. Saw kerf and shrinkage allowance are included, but actual board thick- ness will vary slightly depending on blade thickness and tooth set. An optional Grade Hardwood Quarter Scale is also available.

  • Page 46: Water Lube Operation

    Setup & Operation Water Lube Operation 2.16 Water Lube Operation See Figure 2-14. The optional 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 47: Preparing The Sawmill For Towing

    Preparing The Sawmill For Towing 2.17 Preparing The Sawmill For Towing The Wood-Mizer trailer package makes transporting your sawmill easy and convenient. To get your sawmill ready for towing, follow these instructions. 1. Move the saw carriage to the front end of the sawmill. Raise the rear outriggers.
  • Page 48 Setup & Operation Preparing The Sawmill For Towing See Figure 2-16. Loosen jam nut and turn bolt to raise or lower stop bolt SM0111 FIG. 2-16 7. Engage the clutch/brake lever. This keeps the drive belt tight and the motor from bounc- ing while traveling.
  • Page 49 Setup & Operation Preparing The Sawmill For Towing 10. Remove all loose objects from the bed of the mill. Store the outrigger jack handle in the bracket provided on the rear/loading-side outrigger guide. Reel in the winch cable. Remove the winch handle. 11.
  • Page 50 Setup & Operation Preparing The Sawmill For Towing 2-30 2596doc091809 Setup & Operation...

  • Page 51: Wear Life

    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 52: Blade Guides

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

  • Page 53: Blade Housing

    Maintenance Blade Housing Blade Housing 1. Remove the excess sawdust from the blade wheel housings and sawdust chute every blade change. See Figure 3-2. 2. Make sure the blade screw in the top center of the C-frame is 1/16" (1.5 mm) below the bottom of the blade.

  • Page 54: Carriage Track, Wiper & Scrapers

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

  • Page 55: Vertical Mast Rails

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

  • Page 56: Miscellaneous Lubrication

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

  • Page 57: 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 58: 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 59: Brake Strap Adjustment

    Maintenance Brake Strap Adjustment Brake Strap Adjustment Check the brake strap for wear every 200 hours of operation. Replace if damaged or worn. Also check and adjust the brake strap if the blade does not stop quickly, unusual sounds occur when the brake is applied, or a sudden change is noticed in the clutch handle posi- tion when the clutch is disengaged.

  • Page 60: Drive Bearing

    Maintenance Drive Bearing 3.10 Drive Bearing Refill the fluid in the drive-side cylinder bearing housing every 1000 hours of operation. Remove the top and bottom oil plugs. Pour an Automatic Transmission Fluid (ATF) such 1000 as Dexron III ATF into the top hole until it begins to flow from the bottom hole. Reinstall the square oil plug to the bottom hole and the vented oil plug to the top hole.

  • Page 61: Up/Down System

    Maintenance Up/Down System 3.11 Up/Down System Adjust the up/down chain tension as needed. Measure chain tension with the head all the way to the top of the vertical mast. Secure the carriage with a chain at the top. Find the chain adjusting bolt at the bottom of the mast.

  • Page 62: Feed Rope

    Maintenance Feed Rope 3.12 Feed Rope Adjust the feed rope as needed. Measure the feed rope tension with the saw head all the way toward the front of the mill. The middle of the rope should have 6-8" deflection. To tighten, pull on the feed rope adjustment handle.

  • Page 63: Miscellaneous Maintenance

    Maintenance Miscellaneous Maintenance 3.13 Miscellaneous Maintenance 1. Check the mill alignment every setup. See Section 5, Alignment. 2. Make sure all safety warning decals are readable. Remove sawdust and dirt. Replace any damaged or unreadable decals immediately. Order decals from your Customer Service Representative.
  • Page 65 Maintenance Log Wood-Mizer LT25 Short Interval Maintenance Schedule (Check engine and option manuals for additional maintenance procedures) PROCEDURE MANUAL REFERENCE EVERY 4 HOURS SEE SECTION 3.2 Lubricate Blade Guide Rollers EVERY BLADE CHANGE SEE SECTION 3.2 Check Blade Guide Roller Performance SEE SECTION 3.3...
  • Page 67 WOOD-MIZER LT25 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 68 WOOD-MIZER LT25 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 69 WOOD-MIZER LT25 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 70 WOOD-MIZER LT25 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 71 WOOD-MIZER LT25 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 72 WOOD-MIZER LT25 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 73 Troubleshooting Guide Sawing Problems SECTION 4 TROUBLESHOOTING GUIDE Sawing Problems PROBLEM CAUSE SOLUTION Blades Dull Quickly Dirty logs Clean or debark logs, especially on entry side of the cut When grinding teeth, heating Grind just enough metal to restore too much and causing teeth to sharpness to the teeth.

  • Page 74: 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, take Ends Or Middle Of Board to not lay flat on the bed equal cuts off opposing sides. Take a board off the top.

  • Page 75: 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 77: Sawmill Alignment Pre-Alignment Procedures

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

  • Page 78: 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: LT25: Adjust the two middle outriggers on the main frame tube down just enough to lift weight from the trailer tire.

  • Page 79: Blade Installation And Alignment

    Sawmill Alignment Blade Installation And Alignment Blade Installation And Alignment See Figure 5-1. Install a blade and apply the appropriate tension. See Section 2.4 Ten- sioning The Blade. Blade tension is adjusted with the tension handle shown. Blade Tensioner Gauge Blade Tensioner Handle Cant Control...
  • Page 80 Sawmill Alignment Blade Installation And Alignment To adjust where the blade travels on the idle-side blade wheel, use the cant control shown in Figure 5-1. 1. Start the engine. Pull lightly on the clutch handle to rotate the blade until it locates itself on the blade wheels.

  • Page 81: 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 82 Sawmill Alignment Saw Head Slide Pad Adjustment 2. To adjust the spacing of the upper set of pads, lower the saw head until you can access the upper slide pad adjustment bolts. 3. Loosen the upper locking bolts and turn the adjusting bolt as necessary to provide the pad spacing described in Step 1.

  • Page 83: Adjusting The Lower Track Rollers

    Sawmill Alignment Adjusting The Lower Track Rollers Adjusting The Lower Track Rollers Making these adjustments correctly will give you square cuts and accurate dimensions across the width of your boards. 1. Using the feed crank, move the saw carriage so that the blade is positioned over the front pivot end rail.
  • Page 84 Sawmill Alignment Adjusting The Lower Track Rollers 5. Remove the blade guides, or adjust them so that they do not touch the blade. 6. Open the adjustable blade guide arm to within 1/2" (15 mm) of full open. 7. Move the carriage back to the front pivot end rail. Raise the cutting head until the bottom of the blade is 17"...

  • Page 85: 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). Move the clamp all the way out to flip the clamp down if neccesary.
  • Page 86 Sawmill Alignment Adjusting Bed Rails To The Blade See Figure 5-7. SM0134B 15" (375mm) to blade 15 1/32" (375mm) to blade Inner Height Adjustment Outer Height Adjustment Bolt FIG. 5-7 9. Loosen the jam nut and turn the outer adjustment bolt to adjust the height of the outer end of the pivot rail.
  • Page 87 Sawmill Alignment Adjusting Bed Rails To The Blade See Figure 5-8. Blade 15“ (375.0 mm) 15“ (375.0 mm) Bed Rail Clamping Bolt Clamping Bolt Adjustment Adjustment Bolt Bolt SM0064 FIG. 5-8 12. Loosen the bed rail clamping bolts and turn the adjustment bolts to move the bed rails to the blade if necessary.

  • Page 88: 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 89: 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 90 Sawmill Alignment Blade Guide Arm Horizontal Adjustment See Figure 5-11. Adjustment Nuts Adjustment Nuts SM0066 FIG. 5-11 4. Adjusting the inside two rollers (furthest from the arm motor) inward will cause the flange to move toward the blade. 5. Adjusting the two inside rollers outward will cause the flange to move away from the blade.

  • Page 91: 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 92: 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 93: 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 94 Sawmill Alignment Blade Guide Vertical Tilt Adjustment See Figure 5-14. Loosen jam nuts and turn screws to tilt roller up or down SM0070 FIG. 5-14 8. Move the carriage forward so the back end of the tool is over the bed rail. 9.

  • Page 95: 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 insure horizontal and vertical tilt adjustments are maintained when the set screws are retightened. 1.

  • Page 96: 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 half way See Figure 5-16. Turn side set screws to adjust horizontal tilt ‘A’ ‘B’ SM0072 FIG. 5-16 2.

  • Page 97: Horizontal Adjustment Of Side Supports

    Sawmill Alignment Horizontal Adjustment Of Side Supports 5.14 Horizontal Adjustment Of Side Supports The side supports are used to clamp flats on a log to set the squareness of the next cut. The cut will only be as square as the supports. 1.

  • Page 98: Vertical Adjustment Of Side Supports

    Sawmill Alignment Vertical Adjustment Of Side Supports 5.15 Vertical Adjustment Of Side Supports 1. Place a flat board across the bed rails. 2. Swing a side support up so that it is vertical. 3. Pull back at the top of the support to eliminate slack as if a log were being clamped against it.

  • Page 99: Clamp Stop Adjustment

    Sawmill Alignment Clamp Stop Adjustment 5.16 Clamp Stop Adjustment 1. Once the side supports are aligned, pivot them down to their horizontal position. 2. Tie a string across the face of the side supports. See Figure 5-19. 3. Loosen the clamp stop bolts and adjust the clamp stop until it touches the string. FIG.

  • Page 100: Sight Gauge Adjustment

    Sawmill Alignment Sight Gauge Adjustment 5.17 Sight Gauge Adjustment NOTE: Sight gauge supplied on LT25 through B7526 only. After adjustments to the bed rails and blade guides are complete, adjust the sight gauge so that it accurately shows the position of the blade over the bed rails. 1.

  • Page 101: 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 102: Blade Height Scale Adjustment

    Sawmill Alignment Blade Height Scale Adjustment 5.19 Blade Height Scale Adjustment After the entire sawmill has been aligned and all adjustments made, check that the blade height scale indicates the true distance from the blade to the bed rails. 1. Move the saw head so the blade is positioned 14 3/4" (375 mm) above the bed rails by actual measurement with a rule.
  • Page 103 Index INDEX alignment loading logs 2-12 blade guide 5-15 blade installation frame setup lower track rollers main bed rails operation sawmill edging 2-21 slide pad adjustment sawing 2-20 belt power feed up/down tension 3-13 preliminary troubleshooting test blade breakage, troubleshooting deflection 5-16 installation...
  • Page 104 INDEX troubleshooting sawing problems turning logs 2-13 up/down operation 2-15 sight gauge operation 2-22 water lube operation 2-26 2596doc091809 Index...

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