Wood-mizer LT20 Series Safety, Setup, Operation & Maintenance Manual
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Wood-mizer LT20 Series Safety, Setup, Operation & Maintenance Manual

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Summary of Contents for Wood-mizer LT20 Series

  • Page 1 Table of Contents Section-Page Table of Contents SW-07doc0527111...
  • Page 3 ® Wood-Mizer Sawmill Safety, Setup, Operation & Maintenance Manual LT20 Series DC MH rev. D6.01 Safety is our #1 concern! Read and understand all safety information and instructions before operating, setting up or maintaining this machine. April 2003 Form #627 This is the original language for the manual.
  • Page 4 From Europe call our European Headquarters and Manufacturing Facility in Kolo, Poland at +48-63-2626000. 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 •...
  • Page 5 Sawmill and Customer Identification Each Wood-Mizer sawmill has a 17-digit Vehicle Identification Number (VIN). See the figure below for VIN locations. See the chart for VIN description. V.I.N. LOCATIONS. F9 017 F9 .01 V.I.N. DESCRIPTION...
  • 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. LT20 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......................1-1 Sawmill Setup......................1-2 Sawmill Operation..................... 1-2 Sawmill Maintenance ....................1-4 Belt Sizes ......................... 1-10 Blade Sizes ......................1-10 Cutting Capacity...................... 1-11 Engine/Motor Specifications ................... 1-12 Noise Level......................1-12 1.10 Overall Dimensions ....................
  • Page 8 Table of Contents Section-Page SECTION 3 MAINTENANCE Wear Life........................3-1 Blade Guides ......................3-1 Sawdust Removal ...................... 3-2 Carriage Track, Wiper & Scrapers ................3-2 Vertical Mast Rails ....................3-3 Miscellaneous ......................3-4 Blade Tensioner......................3-4 Blade Wheel Belts ..................... 3-5 Brake Pads Adjustment ( Gas / Diesel Sawmills Only ) ...........
  • Page 9 Table of Contents Section-Page 25doc052711 Table of Contents...

  • Page 10: Safety & General Information Blade Handling

    It is always the owner's responsibility to comply with all applicable federal, state and IMPORTANT! 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 11: Sawmill Setup

    Safety & General Information Sawmill Setup Do not spin the blade wheels by hand. Spinning the blade WARNING! wheels by hand may result in serious injury. Sawmill Setup Chock the trailer wheels to prevent movement before WARNING! unhitching it from the towing vehicle. Failure to do so may result in serious injury or death.
  • Page 12 Safety & General Information Sawmill Operation carriage. Failure to do so will result in serious injury. Keep all persons out of the path of moving equipment and DANGER! logs when operating sawmill or loading and turning logs. Failure to do so will result in serious injury.

  • Page 13: Sawmill Maintenance

    Safety & General Information Sawmill Maintenance 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. The saw head will hit the spring-loaded ramp stops when CAUTION! adjusted for low cuts.
  • Page 14 Safety & General Information Sawmill Maintenance cause premature up/down motor failure. It is important that the lower stop bolts are properly CAUTION! adjusted to secure the carriage on the track rail. Failure to properly adjust the stop bolts can cause saw head damage, especially during mill transportation.
  • Page 15 Safety & General Information Sawmill Maintenance See Table 1-1. Pictogram decals used to warn and inform the user about danger in the LT20. 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 16 Safety & General Information Sawmill Maintenance TABLE 1-1 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 096316 CAUTION! Do not open or close the electric box when the switch is not in the “0”...
  • Page 17 Safety & General Information Sawmill Maintenance TABLE 1-1 099222 CAUTION! Sawdust outlet. Protect eyes! 099542 CAUTION! Trailer 099542 086099 CAUTION! Hot elements, keep your distance! 086099 096321 Blade movement direction S12004G CAUTION! Always wear safety goggles when operating the sawmill! Safety &...
  • Page 18 Safety & General Information Sawmill Maintenance TABLE 1-1 S12005G CAUTION! Always wear protective ear muffs when operating the sawmill! 501465 Caution! Wear foot protection when operating the machine! 501467 Lubrication point P11789 Aligning the blade on the wheels 092597 Setting the blade tension indicator 092597 P85070 CE safety certification...

  • Page 19: Belt Sizes

    Browning belts only. Blade Sizes See Table 1-3. Wood-Mizer TRU•SHARP™ offers three types of blades to provide efficient sawing for all models of sawmills. The engine/motor size of your sawmill and the type of wood you saw Safety & General Information...

  • Page 20: Cutting Capacity

    Maximum log capacity for a basic mill is 2000 Kg. See Table 1-5. The performance capacity of the LT20 series sawmill is listed below. Peak cutting rates are measured in 12” (30 cm) wide red oak and represent the capability of the sawmill only.

  • Page 21: Engine/Motor Specifications

    Safety & General Information Engine/Motor Specifications Engine/Motor Specifications See Table 1-6. The power options available for the LT20 Series sawmill are listed below. Engine/Motor Type Manufacturer Model No. Power Other Specifications 11HP Electric Tamel SA, Sg 132S-2B HM 7.5 kW 14.5 A, 2925 r.p.m.

  • Page 22: Overall Dimensions

    Safety & General Information Overall Dimensions 1.10 Overall Dimensions See Table 1-9. The overall dimensions of the LT20 series sawmill are listed below. Model Width Weight Weight Length Width Height Operating Position w/Trailer (Loading Arms Raised) 6.7 m 3.5 m...

  • Page 23: Chains

    Safety & General Information Chains See Figure 1-2. The LT20 L type frame sawmill’s operator position is shown below. FIG. 1-2 1.11 Chains See Table 1-10. The load capacity of the chains is listed below. Load Capacity According to ISO No 08A-1 2270KG Up/Down Chain TABLE 1-10...

  • Page 24: Components

    Safety & General Information Components 1.13 Components See Figure 1-3. The major components of the Wood-Mizer LT20 Series are shown below. Engine Saw Head Control Panel Blade Tensioner FIG. 1-3 1-15 25doc052711 Safety & General Information...

  • Page 25: Lt20 Hydraulic Schematic (Sawmills With Optional Manual Hydraulic Loader)

    Safety & General Information LT20 Hydraulic Schematic (sawmills with optional manual hydraulic loader) 1.14 LT20 Hydraulic Schematic (sawmills with optional manual hydraulic loader) FIG. 1-3 HYDRAULIC SCHEMATIC Log Loader Manual Hydraulic Pump FIG. 1-3 HYDRAULIC LAYOUT DIAGRAM Safety & General Information 25doc052711 1-16...

  • Page 26: Hydraulic Components, Lt20 M

    Safety & General Information Hydraulic Components, LT20 M 1.15 Hydraulic Components, LT20 M Wood-Mizer Description Part No. 088680 Cylinder,CJ-S95-16-70/32/203 C1, C2 Hydraulic 090309 Pump, TYP PAM 014 2500, ZB. 3L Manual 015487 T-Connector, 3/8JIC TABLE 1-11 1.16 Hydraulic Hoses, LT20 M...

  • Page 27: Sawmill Setup

    SETUP & OPERATION Sawmill Setup SECTION 2 SETUP & OPERATION Sawmill Setup Before starting to use the sawmill you have to meet the IMPORTANT! following conditions: Set up the sawmill on firm, level ground and level the sawmill. Secure the sawmill to the ground to prevent moving during operation.
  • Page 28 SETUP & OPERATION Stationary Sawmill Setup Level the sawmill by adjusting the feet to raise or lower each end of the sawmill. Adjust all feet evenly to avoid twisting the mill frame by jacking one feet higher than the others. Do not operate a stationary sawmill without the feet WARNING! securely fastened to the floor.
  • Page 29 SETUP & OPERATION Stationary Sawmill Setup See Figure 2-3. Sawmill Mast Tilt 20_025 FIG. 2-4 SETUP & OPERATION 25doc052711...
  • Page 30 SETUP & OPERATION Stationary Sawmill Setup 3830 2040 2790 LT20S MH Stationary Metric Dimensions* 1790 2620 1935 20_042c 2590 2820 LT20M MH Stationary Metric Dimensions* *All dimensions in millimetres FIG. 2-5 FIG. 2-6 LT20LG25SMH 25doc052711 SETUP & OPERATION...
  • Page 31 SETUP & OPERATION Stationary Sawmill Setup 1. Unhook the carriage safety chain, located at the bottom of the vertical mast. 2. Use the up/down crank or the up/down switch to raise the cutting head from the carriage rest pin. Swing the rest pin below bed level. 3.

  • Page 32: Portable Sawmill Setup

    SETUP & OPERATION Portable Sawmill Setup Portable Sawmill Setup If it is necessary to set up the sawmill on ground with more WARNING! than 3 incline, dig out areas for outrigger legs to prevent the sawmill from tipping over. Chock the trailer wheels to prevent movement before WARNING! unhitching it from the towing vehicle.
  • Page 33 SETUP & OPERATION Portable Sawmill Setup When setting up the sawmill on boggy terrain (such as CAUTION! deep mud or sand), place a board or a metal plate under each outrigger leg to prevent the legs from sinking. 3. Unhook the carriage safety chain, located at the bottom of the vertical mast. 4.
  • Page 34 SETUP & OPERATION Portable Sawmill Setup See Figure 2-13. Pivot End Rail Side Support Bed Rail Stop Block SM0130 FIG. 2-14 25doc052711 SETUP & OPERATION...

  • Page 35: 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 36: Tensioning The Blade

    SETUP & OPERATION Tensioning The Blade changing blades. Failure to do so may result in serious injury. Raise the blade housing cover. Turn the blade tension handle to release the blade tension until the wheel is pulled in and the blade is lying loose in the blade housing. Lift the blade out of the blade housing.
  • Page 37 SETUP & OPERATION Tensioning The Blade so that the indicator is parallel to the blade guide arm. Outside face of washer even with undicator Rubber Cant Control Spring Blade Tension Handle Blade Tension Indicator FIG. 2-18 Release the blade tension when the mill is not in use. CAUTION! SETUP &...

  • Page 38: Tracking The Blade

    SETUP & OPERATION Tracking The Blade Tracking The Blade 1. Open the blade housing cover. 2. Turn the key switch to the ”H” position. 3. Manually spin one of the blade wheels until the blade positions itself on the blade wheels. 4.

  • Page 39: Loading, Turning, And Clamping Logs

    SETUP & OPERATION Loading, Turning, And Clamping Logs Loading, Turning, And Clamping Logs Make sure the pivot rails, turning arm, clamp, and toe CAUTION! boards are below bed level before loading a log onto the bed. Also, be sure the cutting head is moved far enough forward so the log does not hit it.
  • Page 40 SETUP & OPERATION Loading, Turning, And Clamping Logs 3. Raise the turner arm to get a new bite on the log. 4. Disengage the clamp. 5. The log can be turned now. Repeat steps 4 through 7 until the log is turned as desired. To Clamp Logs: 1.

  • Page 41: Up/Down Operation

    SETUP & OPERATION Up/Down Operation See Figure 2-21. Side Support Log Clamp FIG. 2-22 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 42 SETUP & OPERATION Up/Down Operation position until the cutting head reaches the desired height, then release. DOWN 20_029B FIG. 2-24 The up/down switch is designed to return to the neutral position when released. If the switch remains engaged, manually move it to the neutral position. Repair the switch. DO NOT try to force the carriage above the 35”...

  • Page 43: Blade Guide Arm Operation

    SETUP & OPERATION Blade Guide Arm Operation 2.10 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 about 25 mm. 2.

  • Page 44: Power Feed Operation

    SETUP & OPERATION Power Feed Operation 2.11 Power Feed Operation See Figure 2-27. The power feed system moves the carriage forward and backward by using two switches on the control panel. Carriage Forward Feed Rate Adjustment Carriage Reverse 20_121B FIG. 2-28 Carriage Feed Rate The carriage feed rate switch controls the speed at which the carriage travels forward.
  • Page 45 SETUP & OPERATION Power Feed Operation designed to return to the neutral position when released. If the switch remains engaged, manually move it to the neutral position. Repair the switch. (See Section 4.2.) Be sure the power feed switch is in the neutral position WARNING! before turning the key switch to the ON position.

  • Page 46: 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 47: Edging

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

  • Page 48: Blade Height Scale

    SETUP & OPERATION Blade Height Scale 2.14 Blade Height Scale See Figure 2-29. The blade height scale is attached to the cutting head frame. It includes: a blade height indicator an inch scale. Blade Height Quarter Indicator Scale Inch Scale FIG.
  • Page 49 SETUP & OPERATION Blade Height Scale To choose which scale to use, determine what finished thickness you want to end up with. The Grade Hardwood Quarter Scale provides thicker finished boards usually required by commercial buyers. The Standard Quarter Scale allows for kerf and shrinkage of finished boards suitable for most custom applications.

  • Page 50: Water Lube Operation

    SETUP & OPERATION Water Lube Operation 2.15 Water Lube Operation 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. A valve in the bottle cap controls the amount of water flow.

  • Page 51: Preparing The Sawmill For Towing

    Preparing The Sawmill For Towing 2.16 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 cutting head to the front end of the sawmill. Raise the rear outriggers.
  • Page 52 SETUP & OPERATION Preparing The Sawmill For Towing 7. Hook the carriage safety chain attached to the main bed tube, behind the trailer to the bracket located near the lower track roller. 8. Manually lift the log loader and secure it with the safety chain. See Figure 2-35.

  • Page 53: 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 24 hours. The Maintenance Log lists procedures that need to be performed every 50, 100, 200,or 1000 hours.

  • Page 54: Sawdust Removal

    MAINTENANCE Sawdust Removal will lead to early blade breakage. FIG. 3-1 Sawdust Removal 1. Remove the excess sawdust from the blade wheel housing and sawdust chute every blade change. Carriage Track, Wiper & Scrapers See Figure 3-2. 1. Clean the upper and lower track rails to remove any sawdust and sap buildup every eight hours of operation.

  • Page 55: Vertical Mast Rails

    MAINTENANCE Vertical Mast Rails FIG. 3-2 Vertical Mast Rails Lubricate the vertical mast rails with WD40, clean and wipe them dry every 50 hours of operation. Never use grease on the mast rails as it will collect CAUTION! sawdust. MAINTENANCE 25doc052711...

  • Page 56: Miscellaneous

    MAINTENANCE Miscellaneous Miscellaneous 1. Apply a thin film of a lithium grease to the blade guide arm to help prevent it from rusting. 2. Lubricate the log turner (if equipped) with a lithium grease every fifty hours of operation. Lubricate the turner pivot points (e.g.

  • Page 57: Blade Wheel Belts

    MAINTENANCE Blade Wheel Belts See Figure 3-3. Tensioner Handle Screw 20_006a FIG. 3-3 Blade Wheel Belts 1. Check the blade wheel belts for wear every 50 hours of operation. Replace as needed. Periodically check all belts for wear. Replace any damaged or worn belts as needed. Brake Pads Adjustment ( Gas / Diesel Sawmills Only ) Check the brake pads for wear every 200 hours of operation.

  • Page 58: Drive Belt Adjustment

    MAINTENANCE Drive Belt Adjustment when the brake is applied. If they are not, it can lead to their premature wear. Locking Bolts 20_007 FIG. 3-4 3.10 Drive Belt Adjustment Do not for any reason adjust the drive belts with the motor WARNING! running.
  • Page 59 MAINTENANCE Drive Belt Adjustment 3,6KG 11mm FIG. 3-5 To adjust the drive belt tension: 1. Raise the blade housing cover. AC Sawmills 2. Loosen the four mounting bolts in the motor mount plate (See the figure below). 3. Loosen mounting bolts and using the adjustment nuts adjust the drive belt(s) tension according to the specifications given in Table 3-2.
  • Page 60 MAINTENANCE Drive Belt Adjustment 4. Tighten the four mounting bolts. 20_033a Adjustment Nuts Mounting Bolts FIG. 3-6 DC Sawmills To tighten - turn the bolt clockwise; to loosen - turn it counterclockwise. Periodically check the belts for wear. Replace if the belt is damaged or worn. 25doc052711 MAINTENANCE...

  • Page 61: Up/Down System

    If you noticed the up/down chain or chain brackets wear, WARNING! immediately stop the work and contact Wood-Mizer Customer Service. Failure to do so will result in serious injury or death. 3. Adjust the up/down gear belt tension as needed.
  • Page 62 MAINTENANCE Up/Down System 4. Loosen the four set screws shown below. Adjust the belt tension and tighten the set screws. Set Screws FIG. 3-8 3-10 25doc052711 MAINTENANCE...

  • Page 63: Power Feed System

    MAINTENANCE Power Feed System 3.12 Power Feed System 1. Adjust the power feed chain as needed. Always remove the key from the key switch before WARNING! adjusting the chain. Failure to do so may result in serious injury. See Figure 3-9. Loosen the locking nut. To tighten the chain, turn the adjusting bolt clockwise. To loosen the chain, turn the adjusting bolt counterclockwise.
  • Page 64 MAINTENANCE Power Feed System See Figure 3-10. Keep the pulleys aligned to avoid premature V-belt and pulleys wear. FIG. 3-10 To align the pulleys, slide one of them on the shaft appropriately. 3. Adjust the power feed gear belt tension as needed. Remove the key from the key switch before adjusting the WARNING! belt tension.
  • Page 65 MAINTENANCE Power Feed System See Figure 3-11. Loosen the adjustment bolts shown below. Adjust the belt tension and tighten the adjustment bolts. Adjustment Bolts 20_036B FIG. 3-11 4. If the power feed chain must be replaced, route a new chain as shown on the picture below. FIG.

  • Page 66: Safety Devices Inspection

    MAINTENANCE Safety Devices Inspection 3.13 Safety Devices Inspection LT20 DC – Safety devices inspection Safety devices on the LT20DC machine which must be checked before every shift: E-STOP button and its circuit inspection Inspection of the control circuits with the E-STOP button pressed Blade cover safety switches and its circuit inspection Blade brake and its circuit inspection 1.
  • Page 67 MAINTENANCE Safety Devices Inspection 2. Inspection of the control circuits with the E-STOP button pressed Start the engine; Turn the tensioner handle to engage the blade; Press the E-STOP button located on the left side of the control box. Engine should be stopped.. With E-STOP button pressed try to move the saw head up and down (using switch and setwork buttons) and forward/backward using power feed switch.
  • Page 68 MAINTENANCE Safety Devices Inspection 3-16 25doc052711 MAINTENANCE...
  • Page 69 MAINTENANCE Safety Devices Inspection MAINTENANCE 25doc052711 3-17...
  • Page 70 MAINTENANCE Safety Devices Inspection 3-18 25doc052711 MAINTENANCE...
  • Page 71 MAINTENANCE Safety Devices Inspection MAINTENANCE 25doc052711 3-19...
  • Page 72 MAINTENANCE Safety Devices Inspection 3-20 25doc052711 MAINTENANCE...
  • Page 73 MAINTENANCE Safety Devices Inspection MAINTENANCE 25doc052711 3-21...
  • Page 74 MAINTENANCE Safety Devices Inspection 3-22 25doc052711 MAINTENANCE...
  • Page 75 WOOD-MIZER LT20 SERIES SAWMILL SHORT INTERVAL MAINTENANCE SCHEDULE Check motor/engine and option manuals for additional maintenance procedures) PROCEDURE MANUAL REFERENCE EVERY BLADE CHANGE SEE SECTION 3.3 Check Blade Guide Rollers. SEE SECTION 3.3 Remove Sawdust From Blade Wheel Housings And Sawdust Chute.
  • Page 76 1-24 30doc052711...
  • Page 77 WOOD-MIZER LT20 SERIES MAINTENANCE LOG (Check motor/engine and option manuals for additional maintenance procedures) TOTAL HOURS OF OPERATION PROCEDURE MANUAL 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 78 WOOD-MIZER LT20 SERIES MAINTENANCE LOG (Check motor/engine and option manuals for additional maintenance procedures) TOTAL HOURS OF OPERATION PROCEDURE MANUAL 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 79 WOOD-MIZER LT20 SERIES MAINTENANCE LOG (Check motor/engine and option manuals for additional maintenance procedures) TOTAL HOURS OF OPERATION PROCEDURE MANUAL 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 80 WOOD-MIZER LT20 SERIES MAINTENANCE LOG (Check motor/engine and option manuals for additional maintenance procedures) TOTAL HOURS OF OPERATION PROCEDURE MANUAL 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 81 WOOD-MIZER LT20 SERIES MAINTENANCE LOG (Check motor/engine and option manuals for additional maintenance procedures) TOTAL HOURS OF OPERATION PROCEDURE MANUAL 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 82 WOOD-MIZER LT20 SERIES MAINTENANCE LOG (Check motor/engine and option manuals for additional maintenance procedures) TOTAL HOURS OF OPERATION PROCEDURE MANUAL 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 83 Troubleshooting Guide Sawing Problems SECTION 4 TROUBLESHOOTING GUIDE Sawing Problems PROBLEM CAUSE SOLUTION Dirty logs Clean or debark logs, especially on Blades Dull Quickly entry side of the cut When grinding teeth, heating too Grind just enough metal to restore much and causing teeth to soften sharpness to the teeth.

  • Page 84: Troubleshooting Guide Sawing Problems

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

  • Page 85: Electrical Problems

    Replace drum switch or remove When Switch Is Released. control panel cover and clean and lubricate contacts NOTE: Use only contact grease supplied by Wood-Mizer. Drum switch spring broken. Manually move the power feed or up/down switch back to neutral or "off"...

  • Page 86: Power Feed Problems

    CAUSE SOLUTION Drum switch is dirty. Clean drum switch and lubricate with contact Power Feed Is Jerky At Low grease supplied by Wood-Mizer. Speeds Or Does Not Move Until Speed Is Above Halfway Mark. Drum switch contacts are bad Check that contacts are in good condition and positively close circuit.
  • Page 87 Troubleshooting Guide Power Feed Problems PROBLEM CAUSE SOLUTION Middle track oiler is dragging. Clean middle track oiler and lubricate with Power Feed Motor Overheats. 30-weight oil or ATF (Automatic Transmission Fluid) such as Dexron II. Allow motor to cool before restarting. Ground is not level.

  • Page 88: Hydraulic Problems

    Troubleshooting Guide Hydraulic Problems Hydraulic Problems PROBLEM CAUSE SOLUTION Carriage not positioned Make sure carriage contact bracket is adjusted You Can Actuate Any properly to provide power to far enough forward for battery positive contact Hydraulic Handle, But Get No the pump to touch 6ft.
  • Page 89 Troubleshooting Guide Hydraulic Problems PROBLEM CAUSE SOLUTION Low fluid level Check fluid level. Add an all-season hydraulic Pump Motor Runs With Little fluid such as Amoco Rycon Oil MV or Mobil Or No Response From The Multipurpose ATF (automatic transmission Cylinders fluid) until level is 4 - 4 1/2"...
  • Page 90 Troubleshooting Guide Hydraulic Problems PROBLEM CAUSE SOLUTION Dirt in sequence valve Remove sequence valves and clean thoroughly Hydraulic Side Supports Go with kerosene. NOTE: Be sure to reassemble Down Before Or At Same the valve and install it in its original position on Time As Log Turner the cylinder Retainer in sequence valve...

  • Page 91: 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 92: Sawmill Alignment

    SECTION 5 SAWMILL ALIGNMENT Pre-Alignment Procedures The Wood-Mizer sawmill is factory aligned. This section includes instructions on how to realign the sawmill completely. Be scrupulous when performing all alignment steps, because sawmill alignment determines accuracy of your cuts. The alignment procedure should be performed approximately every 1500 hours of operation (sooner if you regularly transport the sawmill over rough terrain).

  • Page 93: Frame Setup

    SAWMILL ALIGNMENT Frame Setup Frame Setup Stationary sawmills should be setup on firm, level ground before proceeding with alignment. Portable sawmills should also be setup on firm, level ground. : Adjust the two middle outriggers on the main frame tube down just enough to lift weight from the trailer tire.
  • Page 94 SAWMILL ALIGNMENT Blade Installation And Alignment 3. Manually spin one of the blade wheels until the blade positions itself on the blade wheels. Gas Sawmills: 1. Turn the key switch to the "0" position and remove the key. 2. Open the blade housing cover. 3.
  • Page 95 SAWMILL ALIGNMENT Blade Installation And Alignment ride 4.5 mm (0.18") from the front edge of the wheels (± 1.0 mm [0.04"]). Do not let the teeth ride on the belt. SM0044D 3.0 mm (0.12”) ± 1 mm (0.04”) 4.5 mm (0.18”) 1 1/4"...

  • Page 96: Blade Wheel Alignment

    SAWMILL ALIGNMENT Blade Wheel Alignment 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. If the blade wheels are tilted horizontally, the blade will not track properly on the wheels.
  • Page 97 SAWMILL ALIGNMENT Blade Wheel Alignment See Figure 5-4. Use the vertical adjustment screws to adjust the drive-side blade wheel. To tilt the wheel, loosen the top adjustment screw one quarter turn. Loosen the jam nut on the bottom adjustment screw and tighten the screw. Tighten the top and bottom jam nuts. To tilt the wheel, loosen the bottom adjustment screw one quarter turn.
  • Page 98 SAWMILL ALIGNMENT Blade Wheel Alignment See Figure 5-5. Use the vertical adjustment screws to adjust the idle-side blade wheel. To tilt the wheel up, loosen the bottom adjustment screw one quarter turn. Loosen the jam nut on the top adjustment screw and tighten the screw. Tighten the top and bottom jam nuts. To tilt the wheel down, loosen the top adjustment screw one quarter turn.
  • Page 99 SAWMILL ALIGNMENT Blade Wheel Alignment 150060 3.0 mm ± 1.0 mm 1 1/4" Blade FIG. 5-6 See Figure 5-7. Use the cant control adjustment to adjust the idle-side blade wheel. If the blade is too far forward on the wheel, turn the cant control counterclockwise. If it is too far back on the wheel, turn the cant control clockwise.
  • Page 100 SAWMILL ALIGNMENT Blade Wheel Alignment adjustment screw to move blade in on wheel. Tighten the jam nut. Adjustment Screw 20_117 FIG. 5-8 doc052711 SAWMILL ALIGNMENT...

  • Page 101: Adjusting The Lower Track Rollers

    SAWMILL ALIGNMENT Adjusting The Lower Track Rollers Adjusting The Lower Track Rollers See Figure 5-9. Making these adjustments correctly will give you square cuts and accurate dimensions across the width of your boards. 1. Using the power feed switch, move the saw carriage so that the blade is positioned over the front pivot bed rail.
  • Page 102 SAWMILL ALIGNMENT Adjusting The Lower Track Rollers See Figure 5-10. 17" (400 mm) to blade SM0137 FIG. 5-10 7. Move the carriage forward to check the distance to the blade at the inside of the pivot rail support. Both measurements should be equal within (± 1.0 mm [0.04"]). 8.

  • Page 103: Adjusting Bed Rails To The Blade

    SAWMILL ALIGNMENT Adjusting Bed Rails To The Blade See Figure 5-11. Stop Screw FIG. 5-11 Adjusting Bed Rails To The Blade 1. Adjust the front pivot bed rail 90 to the main bed tube. 2. Move the cutting head to center the blade over the front pivot bed rail. 3.

  • Page 104: Blade Guide Arm Vertical Adjustment

    SAWMILL ALIGNMENT Blade Guide Arm Vertical Adjustment 6. Loosen the jam nut and turn the outer height adjustment bolt to adjust the height of the outer end of the pivot rail. 7. Move the cutting head so the blade is positioned over the center of the front main bed rail. 8.

  • Page 105: Blade Guide Arm Feed Chain Adjustment

    SAWMILL ALIGNMENT Blade Guide Arm Feed Chain Adjustment See Figure 5-14. 20_038 Turn outside rollers to raise or lower end of blade guide arm FIG. 5-14 4. Adjust the blade guide arm in to within 1/2" (15 mm) of full closed. Measure again from the top of the bed rail to the arm.
  • Page 106 SAWMILL ALIGNMENT Blade Guide Arm Feed Chain Adjustment the arm motor placement. Next, tighten the set screws. If the motor sprocket (1) is not parallel to the blade guide arm sprockets (2), the drive assembly may be adjusted by turning it at a small angle around the indicated point.
  • Page 107 SAWMILL ALIGNMENT Blade Guide Arm Feed Chain Adjustment See Figure 5-15. Loosen the two set screws. Move the bracket with motor down to tighten the chain, move it up to loosen. Next tighten the set screws. Set Screws 20_123 FIG. 5-15 Do not overtension the chain.

  • Page 108: Saw Head Backlash Removal

    SAWMILL ALIGNMENT Saw Head Backlash Removal Saw Head Backlash Removal Check the saw head for backlash every 200 hours of operation. If necessary, remove the backlash. See Figure 5-16. To check if the backlash is present, grasp the outside part of the saw head and move it as shown in the figure below.
  • Page 109 SAWMILL ALIGNMENT Saw Head Backlash Removal 2. Tighten the two adjustment bolts evenly to remove the backlash. Set Screws Nuts Adjustment Bolts FIG. 5-16 0.1 mm 0,1 mm Set Screw Adjustment Bolt FIG. 5-16 3. Tighten the set screws and the nuts. Do not overtighten the adjustment bolts.

  • Page 110: Blade Guide Arm Horizontal Adjustment

    SAWMILL ALIGNMENT Blade Guide Arm Horizontal Adjustment 5.10 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 3.0 mm (0.04") from the back of the blade when the arm is 15 mm (0.6") from full open.

  • Page 111: Aligning The Blade Guides

    5.11 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 cutting head to guide the blade on each side of the material being cut.
  • Page 112 SAWMILL ALIGNMENT Aligning the Blade Guides Blade guide alignment includes four steps: Blade Deflection Blade Guide Vertical Tilt Blade Guide Flange Spacing Blade Guide Horizontal Tilt Perform the blade guide alignment after you have aligned the blade on the wheels and adjusted the blade and blade guide arm parallel to the bed rails.

  • Page 113: Blade Deflection

    SAWMILL ALIGNMENT Blade Deflection 5.12 Blade Deflection Perform the following steps to achieve proper blade deflection with the blade guides. 1. Raise the carriage until the blade is 375 mm (15") above a bed rail. Measure the actual distance with a tape from the top of the rail to the bottom of the blade.

  • Page 114: Blade Guide Vertical Tilt Adjustment

    SAWMILL ALIGNMENT Blade Guide Vertical Tilt Adjustment 5.13 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 115 SAWMILL ALIGNMENT Blade Guide Vertical Tilt Adjustment See Figure 5-21. Loosen jam nuts and turn screws to tilt roller up or down SM0070 FIG. 5-21 8. Move the carriage forward so the back end of the tool is over the bed rail. 9.

  • Page 116: Blade Guide Spacing

    SAWMILL ALIGNMENT Blade Guide Spacing 5.14 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.

  • Page 117: Horizontal Tilt Adjustment

    SAWMILL ALIGNMENT Horizontal Tilt Adjustment 5.15 Horizontal Tilt Adjustment 1. Finally, both blade guides must be tilted horizontally. Adjust the blade guide arm halfway in. See Figure 5-23. FIG. 5-23 2. Place the Blade Guide Alignment Tool against the face of the outer blade guide roller. 3.

  • Page 118: Horizontal Adjustment Of Side Supports

    SAWMILL ALIGNMENT Horizontal Adjustment of Side Supports 5.16 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 119: Vertical Adjustment Of Side Supports

    SAWMILL ALIGNMENT Vertical Adjustment of Side Supports 5.17 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. See Figure 5-25.

  • Page 120: 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 nuts to raise the outside of the saw head 1.5 mm (0.06").
  • Page 121 SAWMILL ALIGNMENT Saw Head Tilt See Figure 5-27. Blade 375 mm + 1 mm 375 mm + 1 mm Bed Rail Sm0064-1 FIG. 5-27 SAWMILL ALIGNMENT doc052711 5-30...

  • Page 122: 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. Measure 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 123 SAWMILL ALIGNMENT Blade Height Scale Adjustment SAWMILL ALIGNMENT doc052711 5-32...
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  • Page 137 EC declaration of conformity according to EC Machinery Directive 2006/42/EC We herewith declare, Wood-Mizer Industries sp. Z O.O. 114 Nagorna street, 62-600 Kolo; Poland. That the following described machine in our delivered version complies with the appropriate basic safety and health requirements of the EC Machinery Directive 2006/42/EC based on its design and type, as brought into circulation by us.

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