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Wood-Mizer

Sawmill

Safety, Setup, Operation

& Maintenance Manual

LT20L AH

rev. A1.0

Safety is our #1 concern!

Read and understand all

safety information and instructions before operating,
setting up or maintaining this machine.

April 2003

Form #932

Содержание LT20 E15

Страница 1: ...afety Setup Operation Maintenance Manual LT20L AH rev A1 02 Safety is our 1 concern Read and understand all safety information and instructions before operating setting up or maintaining this machine...

Страница 2: ...y are ordered Second Day and Next Day shipping are available at additional cost If You Need Service From Europe call our European Headquarters and Manufacturing Facility in Kolo Poland at 48 63 262600...

Страница 3: ...ss A Under 3 000 lbs B 3 001 4 000 lbs C 4 001 5000 lbs Product No 1 LT15 2 LT20 4 LT40 Series 7 LT70 Series Length of the Trailer 20 20 Ft 24 24 35 35 Number of axles on the trailer Year of Manufactu...

Страница 4: ...ription of the model number When you pick up your mill you will receive a customer number Both the VIN and your customer number expedite our service to you Please write these numbers below so you have...

Страница 5: ...Components 1 12 1 14 Electrical Symbol Diagrams 1 13 SECTION 2 SETUP OPERATION 2 1 2 1 Stationary Sawmill Setup 2 1 2 2 Middle Track Cover 2 3 2 3 Replacing The Blade 2 4 2 4 Tensioning The Blade 2 5...

Страница 6: ...tor and Drive Pulleys Alignment 4 9 4 6 Hydraulic Pressure Test 4 10 SECTION 5 SAWMILL ALIGNMENT 5 1 5 1 Pre Alignment Procedures 5 1 5 2 Frame Setup 5 2 5 3 Blade Installation And Alignment 5 2 5 4 B...

Страница 7: ...g stripes Read and observe all safety instructions before operating this equipment Also read any additional manufacturer s manuals and observe any applicable safety instructions including dangers warn...

Страница 8: ...ure to do so will result in serious injury WARNING Always wear gloves and eye protection when handling bandsaw blades Changing blades is safest when done by one person Keep all other persons away from...

Страница 9: ...e the trailer is supporting the sawmill frame when operating a sawmill with adjustable outriggers Failure to do so may result in serious injury or death The adjustable outriggers are intended to suppo...

Страница 10: ...serious injury DANGER Maintain a clean and clear path for all necessary movement around the mill and lumber stacking areas Failure to do so will result in serious injury DANGER Always be sure the bla...

Страница 11: ...so may result in machine damage or cause misalignment CAUTION Before loading a log be sure the cutting head is moved far enough forward so the log does not hit it Failure to do so may result in machi...

Страница 12: ...the power feed to bind CAUTION Never use grease on the mast rails as it will collect sawdust CAUTION Do not use chain lube It causes sawdust buildup in chain links CAUTION Due to variations in the ver...

Страница 13: ...ses one but E15 motor uses two BX81 belts BX81 014819 Engine Drive Belt D22 G18 2BX84 092697 Blade Pulley Belts B57 2 2 To insure proper blade tracking use Goodyear Dayco Super II or Browning belts on...

Страница 14: ...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 Rates based on using Tru Sharp 1 1 4 x 042 blades M...

Страница 15: ...Table 1 6 The noise levels of the Wood Mizer sawmills are listed below Engine Motor Type Manufacturer Model No Power Other Specifications 11HP Electric Indukta Sg 132S 2B HM 7 5kW 13 9A 2800 RPM 15HP...

Страница 16: ...are shown below Model Length 1 1 Length from hitch to chain bracket Width 2 2 Width from fender to fender Width Operating Position Loading Arms Raised Height 3 3 Height from ground to mast Placing he...

Страница 17: ...tractor Specifications See table 1 10 The dust extractor specifications are given below Maximum Capacity 2300 m3 h Collector Inlet Diameters in front of fan 2x140 mm Motor Power 3 kW Number of Sacks f...

Страница 18: ...Safety General Information Components 1 1 12 25doc092506 Safety General Information 1 13 Components See Figure 1 1 The major components of the Wood Mizer LT20LAH are shown below FIG 1 1...

Страница 19: ...y General Information Electrical Symbol Diagrams Safety General Information 25doc092506 1 13 1 1 14 Electrical Symbol Diagrams See Figure 1 2 Electrical Symbol Diagram of the LT20LAH is shown below FI...

Страница 20: ...306 4 3M Contactor LC1 D09 B7 084305 5 1S Contactor LC1 D0610 B7 084308 6 2S 3S Contactor LC1 D0610 B7 084309 7 Fs2 3 Relay Thermal LR2K 0308 084312 8 F1 Circuit Breaker C60N C3P 6A 24348 091554 9 F2...

Страница 21: ...415 0 220 Tr1 0 L1 L2 L3 14 CKF 1M F1M L1 L2 L3 N PE 1 2 3 1 2 3 G1 Q 1 2 M 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 1A 1B 2A 2B 3A 3B 4A 4B 5A 5...

Страница 22: ...tor LC1 K0910 P7 092736 2 L1 Light white XB4 BVM1 084310 3 CKF Phase Supply Control Relay RM4TG20 084452 4 PC Time relay RE9 RA 11MW7 084453 5 F1 Switch C60N1P 1A 084454 6 F1M Thermal Overload Relay L...

Страница 23: ...sawmill without the feet securely fastened to the floor 1 Unhook the carriage safety chain located at the bottom of the vertical mast 2 Turn the key to the 2 position to activate supply circuits Use...

Страница 24: ...SETUP OPERATION Stationary Sawmill Setup 2 2 2 A30Sdoc092506 SETUP OPERATION See Figure 2 2 FIG 2 2 Bed Rail Sm0130b Side Support...

Страница 25: ...m its storage position 3 Soak the felt wiper with Dexron III transmission fluid 10W30 motor oil or 3 in 1 turbine oil 4 Install the middle track cover so it fits against the rail and secure with two t...

Страница 26: ...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 When installing a new blade make sure the teeth are pointing th...

Страница 27: ...n handle as necessary so that the indicator is parallel to the blade guide arm Check the blade tension occasionally when adjusting the cant control or while cutting Also ambient temperature changes ca...

Страница 28: ...of the wheel 5 Use the cant adjustment bolt shown in Figure 2 4 to adjust where the blade travels on the blade wheels To move the blade out on the blade wheel turn the cant adjustment bolt clockwise T...

Страница 29: ...2506 2 7 2 housing and pulley covers are in place and secured To secure use the detent pin and wire supporting the blade covers CAUTION After aligning the blade on the wheels always check the blade gu...

Страница 30: ...ated on the motor body fan guard If the rotation direction is incorrect invert the phases in the phase inverter located in the power socket electric box Setting the phases in the phase inverter correc...

Страница 31: ...ecks and adequate measurements shall be ordered to an electrician having appropriate measurement qualifications The electric box should be protected from the dust Regularly disconnect power and clean...

Страница 32: ...e front end of the mill to touch the power strip See Figure 2 6 Sawmills with hydraulic control have eleven control levers to load clamp turn and level logs Use the hydraulic control levers to get the...

Страница 33: ...sawmill 6 When raising the turner lever the side supports rise first After reaching a fully vertical position the turner arm will engage and start to rise 7 Manually lower the log loader so the legs...

Страница 34: ...to raise the log onto the sawmill bed Simply let the loader rise until the log rolls onto the mill bed 4 Lower the loading arm Leave the loading arm about halfway up while squaring the log This will...

Страница 35: ...may opt to use the clamp to turn the cant 1 Lower the clamp up down lever to lower the clamp below bed level 2 Raise the clamp in out lever to move the clamp in beneath the edge of the cant 3 Raise t...

Страница 36: ...ETUP OPERATION To Level A Tapered Log Use the toe board lever s to raise either end of a tapered log if desired Raise the appropriate lever to raise the front or rear toe board until the heart of the...

Страница 37: ...ide of the control panel Push the switch up to raise the cutting head push the switch down to lower the cutting head Hold the switch in position until the cutting head reaches the desired height then...

Страница 38: ...uide should be adjusted so that it is about 1 25 4 mm from the log 2 If necessary use the blade guide arm crank to adjust the outer blade guide Turn the crank clockwise to move the blade guide arm in...

Страница 39: ...age travels forward Turn the switch clockwise to increase speed Turn it counterclockwise to reduce speed Carriage Forward and Reverse The power feed switch controls the direction in which the carriage...

Страница 40: ...nd of the cut by turning the carriage feed rate switch counterclockwise until the carriage stops moving 2 Sawmills with gas engines Using the clutch brake lever disengage the blade This will stop the...

Страница 41: ...92506 2 19 2 blade up This lets you keep the blade at the current height setting so you can make the next blade height adjustment more quickly DANGER Stay clear of the area between the trailer axle an...

Страница 42: ...Cutting too slowly will waste blade life and lower production 7 As you get to the end of the log slow down the feed rate When the teeth exit the end of the log turn the power feed switch to the neutra...

Страница 43: ...dged 2 Stack the flitches on edge against the side supports 3 Clamp the flitches against the side supports Wider flitches should be placed to the clamp side When they are edged flip them over to edge...

Страница 44: ...d The standard procedure of sawmill operation requires turning the blade off when returning the saw head in order to increase the strength of the blade and to save fuel CAUTION When leaving the sawmil...

Страница 45: ...wo horizontal red lines on both sides Readings should be taken with eyes level with the indicator when the two red lines are in line This will allow to avoid the parallax error different scale reading...

Страница 46: ...erf and shrinkage of finished boards suitable for most custom applications Always check with your customer before you saw to determine what actual finished thickness is required To use the quarter sca...

Страница 47: ...s water and lowers the risk of staining the boards with water Usual flow will be 1 2 gallons 3 8 7 6 liters per hour A squirt of liquid dishwashing detergent in the water bottle will help clean the bl...

Страница 48: ...lube hose To remove water from the water valve in sawmills of the Super series turn the key to the 2 position turn the feed rate dial to the 0 position and set the forward backward switch to the forwa...

Страница 49: ...st pin 5 Continue lowering the head 3 4 19 mm until it contacts the stop bolt located on the mast CAUTION It is important that the stop bolt is properly adjusted to secure the carriage on the track ra...

Страница 50: ...ey covers are in place and secured To secure use the detent pin and wire supporting the blade covers 9 Remove all loose objects from the bed of the mill Store the cranks for toe boards in the brackets...

Страница 51: ...Be sure to refer to option and engine manuals for other maintenance procedures 3 1 Wear Life See Figure 3 1 This chart lists estimated life expectancy of common replacement parts if proper maintenanc...

Страница 52: ...aped See The LT20 Parts manual for blade guide rebuild kits and complete roller assemblies See Figure 3 1 2 Make sure the blade screw in the top center of the C frame is 1 16 1 5 mm below the bottom o...

Страница 53: ...the track scrapers as needed Make sure the scrapers fit firmly against the rail If a track scraper needs to be adjusted loosen the thumb screw push the scraper downward until it fits firmly against t...

Страница 54: ...h WD 40 3 Grease the clamp mechanism loading arm and side supports with a NLGI No 2 grade lithium grease every fifty hours of operation 4 Oil all chains with an easily penetrating oil such as WD 40 CA...

Страница 55: ...ith a lithium grease every fifty hours of operation but at least once a week See Figure 3 3 3 8 Blade Wheel Belts 1 Check the blade wheel belts for wear every 50 hours of operation Replace as needed 2...

Страница 56: ...sudden change is noticed in the clutch brake lever position when the clutch is disengaged WARNING Do not for any reason adjust the brake pads with the engine running Doing so may result in serious in...

Страница 57: ...low for drive belt tension specifications for your sawmill To adjust the drive belt tension 1 Raise the blade housing cover AC Sawmills 2 Loosen the four mounting bolts 3 Loosen one of the adjustment...

Страница 58: ...CE 4 Gas Diesel Engines Only Tighten the four mounting bolts DC Sawmills To tighten turn the bolt clockwise and to loosen turn it counter clockwise Periodically check the belts for wear Replace if the...

Страница 59: ...revent fluid wear See Figure 3 7 If you are operating in temperatures 20 to 100 F 29 to 38 C use an all weather hydraulic fluid such as Exxon Univis J26 For alternate fluids and or other temperature r...

Страница 60: ...th Using the adjustment nut shown in Figure 3 8 adjust the chain tension so that there is 1 2 5 cm deflection in the center of the chain with a 5 lbs 2 3 KG deflection force WARNING Always secure the...

Страница 61: ...3 11 3 WARNING Before adjusting always remove the key from the key switch Failure to do so may result in serious injury 3 Loosen the four adjustment bolts shown below Adjust the belt tension and tight...

Страница 62: ...ways remove the key from the key switch before adjusting the chain Failure to do so may result in serious injury See Figure 3 10 Loosen the sprocket nut To tighten the chain move the sprocket to the l...

Страница 63: ...y with the gear reducer pulley UWAGA WARNING Remove the key from the key switch before adjusting the pulleys Failure to do so may result in serious injury See Figure 3 11 Keep the pulleys aligned to a...

Страница 64: ...eels Change blade wheel belts B 57 Poor sharpening techniques See Sharpener Manual Tension too tight Tension blade to recommended specifications Blade Does Not Track Right on Drive Wheel Cant adjustme...

Страница 65: ...just up down chain Vertical wear pads are too tight Adjust pads Drive belt s loose Adjust belts Lumber Is Not Square Vertical side supports not square to bed Adjust side supports Blade not parallel to...

Страница 66: ...ually move the power feed or up down switch back to neutral or off position Replace drum switch or remove control panel cover and clean and lubricate contacts NOTE Use only contact grease supplied by...

Страница 67: ...ontact grease supplied by Wood Mizer Drum switch contacts are bad Check that contacts are in good condition and positively close circuit Components are loose or wires are broken Check the control pane...

Страница 68: ...estarting Chain is dragging Make sure chain is centered on cam follower bearing Clean and lubricate chain Adjust chain tension Allow motor to cool before restarting Chain is improperly tensioned Adjus...

Страница 69: ...nenctor Pump motor relay damaged Have a qualified electrician change it Hydraulic pump motor is overheated Let the motor cool When the motor is off reset the thermal motor breaker located in the elect...

Страница 70: ...are available that allow for hydraulic operation in cold weather conditions Mobil SHC 526 Pump Motor Runs Continuously When Power Contact Is Made Closed contacts of the pump motor relay Tapping the so...

Страница 71: ...eather conditions Mobil SHC 526 Hydraulic Turner Goes Up Before Or At Same Time As Side Supports Spring weakening in sequence valve Locate sequence valve at top of turner cylinder Turn heavy spring in...

Страница 72: ...tor pulley to the drive pulley 3 Check front to back movement of the engine does not exceed 1 4 Tighten the motor mount U bolts if necessary 4 Engage the clutch handle and adjust the drive belt tensio...

Страница 73: ...ooting Guide Hydraulic Pressure Test Troubleshooting Guide doc092506 4 10 4 4 6 Hydraulic Pressure Test CAUTION Pressure should not exceed 2000 psi Pressure above 2000 p s i may also damage the hydrau...

Страница 74: ...rollers if necessary See Section 5 18 3 Check and adjust the vertical alignment of the blade guide arm See Section 5 7 4 Check and adjust the horizontal alignment of the blade guide arm See Section 5...

Страница 75: ...nough to lift weight from the trailer tire Adjust the two end outriggers on the main frame tube down just enough to lift weight from the trailer tire All Portable Sawmills Adjust the two outer outrigg...

Страница 76: ...heels 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 Release the locking pin To do this p...

Страница 77: ...d until the blade positions itself on the blade wheels Check the vertical alignment of the idle side blade wheel The gullet of the blade should ride the same distance from the front edge of the wheel...

Страница 78: ...rn the screw counterclockwise Some adjustment in blade tension may be needed to compensate for adjustments made with the cant control Adjustment with the cant control is usually all that is required t...

Страница 79: ...ment of each blade wheel Attach the tool to the blade near the inner blade guide mount Be sure the tool does not rest on a tooth or burr and is lying flat against the bottom of the blade See Figure 5...

Страница 80: ...e top and bottom jam nuts 5 Recheck the vertical tilt of the drive side blade wheel with the blade guide alignment tool Readjust the blade wheel as necessary until the front and rear of the tool are t...

Страница 81: ...ttom jam nuts To tilt the wheel down 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 8 Rech...

Страница 82: ...djusted so that the gullet of an 1 1 4 blade is 3 0 mm out from the front edge of the wheel 1 0 mm See Figure 5 8 Use the cant control adjustment to adjust the idle side blade wheel If the blade is to...

Страница 83: ...heel as described for the idle side blade wheel Adjust the drive side blade wheel if necessary See Figure 5 9 Use the horizontal adjustment screw to adjust the drive side blade wheel Loosen the jam nu...

Страница 84: ...ither one loosen the stop bolt and adjust the adjustment nuts until the roller cannot be spun by hand Check the other roller and adjust if necessary Adjust both rollers until each evenly supports the...

Страница 85: ...0 mm 0 04 to the pivot rail support NOTE Adjustments of the lower track rollers change the angle between the cutting head and sawmill bed rails Only small adjustments of the lower track rollers shoul...

Страница 86: ...2 Move the cutting head to center the blade over the front pivot bed rail 3 Measure the distance from the top of the pivot rail to the bottom of the blade Make this measurement at each end of the pivo...

Страница 87: ...ve the cutting head so the blade is positioned over the center of the front main bed rail 8 Measure the distance between the bottom of the blade and the bed rail at each end of the bed rail The bed ra...

Страница 88: ...1 Move the cutting 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 Measure from the top of the bed rail to the arm See...

Страница 89: ...that raise or lower the arm when turned To adjust the rollers locate the cam bolt inside the housing and turn until the arm is lowered or raised as needed Recheck the arm in both the open and closed...

Страница 90: ...tion If necessary remove the backlash See Figure 5 16 To check if the backlash is present grasp the outside part of the sawhead and move it as shown in the figure below To remove the backlash perform...

Страница 91: ...5 2 Tighten the two adjustment bolts evenly to remove the backlash 3 Tighten the set screws and the nuts CAUTION Do not overtighten the adjustment bolts Damage to the up down system may result FIG 5 1...

Страница 92: ...e Rope Adjustment 5 5 19 doc092506 SAWMILL ALIGNMENT 5 9 Blade Guide Rope Adjustment Adjust the blade guide rope tension when it gets too loose and begins slipping To do this use the adjustment nuts s...

Страница 93: ...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 2 Close the throat to within 15 mm 0 6 from fully closed Check to see that the flange is the same...

Страница 94: ...rs furthest from the arm motor inward will cause the flange to move away from the blade 5 Adjusting the two outside rollers outward will cause the flange to move toward the blade 6 Adjust until the ro...

Страница 95: ...e cutting head It is referred to as the outer assembly and is adjustable for various widths of materials to be processed Blade guide alignment includes four steps Blade Deflection Blade Guide Vertical...

Страница 96: ...he blade 2 Install the blade guides Make sure the two set screws shown are threaded into the blade guide shaft until they touch each other See Figure 5 22 3 Loosen the bottom jam nut and tighten the t...

Страница 97: ...the blade See Figure 5 23 3 Measure the distance from the bed rail to the bottom of the tool NOTE If the sawmill is equipped with stainless steel bed rail covers be sure to measure from the blade gui...

Страница 98: ...until the measurement from the bed rail to the tool equals the other two measurements taken 10 Move the tool close to the other blade guide and repeat the previous steps NOTE If major adjustments to...

Страница 99: ...st the inner blade guide so the blade guide flange is approximately 1 5 3 0 mm 0 06 0 12 from the back of the blade 2 Loosen one side and one top set screw shown Tap the blade guide forward or backwar...

Страница 100: ...e roller and measure between the back edge of the blade and the ruler at the end closest to the inner blade guide B 4 Measure between the back edge of the blade and the other end of the ruler A 5 The...

Страница 101: ...awing The sides supports must be square to the bed to ensure square lumber 1 Swing the side support down 2 Measure distance between the face of the support and the main bed tube Make measurements at b...

Страница 102: ...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 28 4 Check the angle of each support with a square on...

Страница 103: ...e for the drop use the lower track roller horizontal nuts to raise the outside of the saw head 1 5 mm 0 06 1 Move the cutting head so the blade is positioned 375 mm 14 76 above a bed rail 2 Adjust the...

Страница 104: ...SAWMILL ALIGNMENT Saw Head Tilt 5 5 31 doc092506 SAWMILL ALIGNMENT See Figure 5 30 FIG 5 30 375 mm 1 mm Blade Bed Rail Sm0064 1 375 mm 1 mm...

Страница 105: ...s 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 See Figure 5 31 2 View the blade height scale with eyes level with th...

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