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Wood-mizer LX250 Safety, Setup, Operation & Maintenance Manual Download Page 51

Maintenance

Changing The Blade

Maintenance

WMdoc122320

6-2

6

6.3 Changing The Blade

WARNING! 

Turn the key switch to the OFF (0) position and remove 

the key before performing service near moving parts such as blades, 

pulleys, motors, belts, and chains. If the key is turned on and moving 

parts activated, serious injury or death may result.

WARNING! 

Wear gloves and eye protection when handling bandsaw 

blades. Failure to follow this may result in serious injury.

WARNING!

 Keep all other persons away from area when coiling, car

-

rying, or changing a blade. Changing blades is safest when done by 

one person. Failure to follow this may result in serious injury.

1.

Open the blade housing cover. 

2.

Turn the blade tension bar with the ratchet until the blade wheel is moved in. 

See Figure 6-1. 

 

3.

Place the new blade around the blade wheels.

FIG. 6-1

LX1501-04

Tensioner handle

Tensioner handle 

(storage area)

Release tension

Summary of Contents for LX250

Page 1: ... Sawmill Safety Setup Operation Maintenance Manual LX250 rev A2 01 Safety is our 1 concern Read and understand all safety information and instructions before oper ating setting up or maintaining this machine Form 2370 ...

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Page 3: ... 3 3 Assemble the bed 3 4 3 4 End Stop Assemblies 3 9 3 5 Adjusting leveling the Bed 3 9 3 6 Saw Carriage Assembly 3 10 3 7 Feed Drive Assembly 3 11 SECTION 4 SAWMILL SETUP 4 1 4 1 Installing the Blade 4 1 4 2 Tensioning The Blade 4 3 4 3 Tracking The Blade 4 3 4 4 Sawblade 4 6 Blade Guide Vertical Tilt Alignment 4 6 Blade Guide Flange Spacing 4 7 4 5 Starting The Engine 4 9 SECTION 5 SAWMILL OPER...

Page 4: ...rror Messages 8 1 Diagnostic Lights 8 1 Simple Set Up Down Gear Settings Adjustment 8 2 Simple Set PID Settings 8 3 SECTION 9 SAWMILL ALIGNMENT 9 1 9 1 Routine Alignment Procedure 9 1 Prepare the sawmill for alignment 9 1 Blade Guide Arm Alignment 9 2 Blade Guide Vertical Tilt Alignment 9 5 Blade Guide Horizontal Tilt Adjustment 9 6 Blade Guide Flange Spacing 9 7 Blade Height Scale Adjustment 9 9 ...

Page 5: ...urning the equipment to the Purchaser Limitations and Disclaimers of Other Warranties EXCEPT FOR THE EXPRESS WARRANTY PROVISIONS STATED ABOVE WARRANTOR DISCLAIMS ALL WARRANTIES EXPRESS AND OR IMPLIED INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE NONINFRINGEMENT AND TITLE No representation or other affirmation of fact by representatives ...

Page 6: ...s sign into your account on https woodmizer com or call inside the USA 1 800 553 0182 or from outside the USA 317 271 1542 1 3 Specifications Equipment specification are included in the Online Manuals which are found at https apps woodmizer com Manuals Manuals aspx parent 0 1 4 Customer and Sawmill Identification Each Wood Mizer sawmill is identified with a model number revision and serial number ...

Page 7: ...ht 3340 lbs Log Capacity Length 156 13 Bed extension 60 5 Log diameter 55 Cut diameter 54 5 Engine G38 Manufacturer Kohler Fuel Gas Horsepower Rating 38 Weight 151 Idle Speed 1500 RPM High Throttle Speed No Load 3600 RPM Cooling System Air Drive Shaft O D 1 1 8 Drive Pulley O D 5 6 Drive Belt 2 3VFL900 Blade Braking 5 Seconds Oil Capacity w Filter 2 1 2 7 qts Battery 12V 524 26A Rates Hourly Produ...

Page 8: ...LX250 Dimensions 1 1 3 WM doc 4 16 21 LX250 Dimensions LX25018 1 ...

Page 9: ...LX250 Dimensions WM doc 4 16 21 1 4 1 LX25018 2 ...

Page 10: ... Clean sawdust from all guards vents control boxes or any area where sawdust may gather after every shift Failure to do so may result in fire causing death or serious injury WEAR SAFETY CLOTHING WARNING Secure all loose clothing and jewelry before operating the mill Always wear eye ear and foot protection when oper ating or servicing the mill Wear hand protection while servicing the mill blades We...

Page 11: ...ROPERLY NOTICE Properly dispose of all wood by products including sawdust chips and other debris including operation waste such as oil filters etc WORKING WITH BATTERIES DANGER Batteries expel explosive gases keep sparks flames burning cigarettes or other ignition sources away at all times Failure to follow this will result in serious injury or death WARNING Always wear safety goggles and a face s...

Page 12: ...rigorous periodic inspections are required For more complex systems more comprehensive procedures may need to be developed documented and utilized PURPOSE This procedure establishes the minimum requirements for the lockout of energy isolating devices whenever maintenance or servicing is done on machines or equipment It shall be used to ensure that the machine or equipment is stopped isolated from ...

Page 13: ...ms have been removed and that the machine or equipment compo nents are operationally intact 2 Check the work area to ensure that all personnel have been safely positioned or removed from the area 3 Verify that the controls are in neutral 4 Remove the lockout devices and re energize the machine or equipment NOTE The removal of some forms of blocking may require re enervation of the machine before s...

Page 14: ... the bed 3 2 Uncrating the mill 1 Remove any shipping straps or plastic coverings from the mill before beginning 2 Ensure all shipping restraints for the saw head and mast are removed prior to performing the next step WARNING Use a fork lift crane or other lifting device to remove the saw head from the packing crate Failure to follow this may result in serious injury or death 3 Securely attach lif...

Page 15: ...head is heavier on the engine side 4 Set the mast on the blocks called out in Section 3 1 Tools required See Figure 3 2 CAUTION Use care to protect the adjustment screws at the bottom of the mast See Figure 3 2 See Figure 3 2 FIG 3 1 FIG 3 2 LX25018 09 Three point attachment TOP VIEW NOTICE Do not catch wires between lifting strap and frame LX25018 10 ...

Page 16: ...e second Power Feed motor mount is bolted on the exterior of the bed frame sections FIG 3 3 TABLE 1 PARTS BOX CONTENTS Part Description Qty Kohler Engine Manual 1 Hardware bag 1 F05004 250 Bolt M12x1 75x40mm HH FT CL10 9 Zinc 6 F05011 124 Washer M12 FLAT Zinc 12 F05010 209 Nut M12x1 75 Hex Nylock 6 115110 Shim End Stop 4 115290 Chain 40x460 Pitches 230 2 115106 End Stop Right 2 115112 End Stop Lef...

Page 17: ...2320 3 4 3 See Figure 3 4 The manual bag located inside the saw head cover also includes a belt tension gauge 016309 and a Blade Guide Alignment Tool LTBGAT See Figure 3 5 3 3 Assemble the bed Area must be firm and level FIG 3 4 FIG 3 5 LX25015 3 LTBGAT 016309 ...

Page 18: ... fork lift crane or other lifting device to remove the saw head from the packing crate Failure to follow this may result in serious injury or death NOTE The three sections of the bed have the same frame but they can be distinguished as The head section has no clamp and no decal The center section has a clamp and no decal The foot section has a clamp and a decal 4 Securely attach lifting straps to ...

Page 19: ... See Figure 3 6 5 Loosely attach 3 bed feet while the bed is suspended See Figure 3 7 6 Set the bed section on its feet 7 Repeat steps 2 through 6 for the next bed section FIG 3 6 FIG 3 7 Center section Foot section Head section LX25023 Center section Bed Head Bed Foot ...

Page 20: ...dge hammer with a wooden block See Figure 3 8 NOTE The top surface round rails touch before the square support tubes leaving a small 1 8 gap This is normal Do not attempt to draw the square support tubes together See Figure 3 9 NOTE Make sure the top surfaces round rails of the bed sections are smoothly aligned It may be necessary to adjust one bed section up or down with bed shims until the surfa...

Page 21: ...embly WMdoc122320 3 8 3 See Figure 3 9 10 Recheck that the rail joints are tight and smooth 11 Tighten the bed section bolts 12 Level the bed sections as you go See Figure 3 10 13 Shim as needed FIG 3 9 FIG 3 10 Frame gap Rail fits tight LX25018 5 ...

Page 22: ...end stops bumpers are left right oriented 1 Mount the end stops to the frame with the shims between the frame and the end stops See Figure 3 12 3 5 Adjusting leveling the Bed NOTE Adjusting leveling the log bed is best done before the saw head is installed FIG 3 11 FIG 3 12 LX25018 3 Shim LX25018 12 F05004 97 M10 bolt F05011 134 M10 flat washer F05004 270 M10 nylok nut 115110 Shim ...

Page 23: ... string 6 Repeat the bed rail adjustment with the string at the other side of the sawmill frame 3 6 Saw Carriage Assembly 1 Check the orientation of the carriage before placing it on the bed frame the operator is on the same side as the log supports 2 Position the saw head over the end of the bed frame assembly 3 Carefully lower the saw head on the bed frame sliding the saw head rollers onto the b...

Page 24: ...ils the wiper mounting plate should not set on the rail See Figure 3 14 3 7 Feed Drive Assembly 1 Unpack the Power Feed drive assemblies from the boxes and retrieve the mount assem bly set aside in section 3 3 step 1 2 Thread the Power Feed chain through the sprockets FIG 3 14 LX25018 13 Transport position Operating position 1 8 3mm clearance Wiper and wiper mount located both front and rear on bo...

Page 25: ... the Power Feed mount without cover as shown in Fig 3 16 See Figure 3 16 T 4 Attach the drive chain by simply hanging it on the drive sprocket 5 Mount the Power Feed drive assembly FIG 3 15 FIG 3 16 LX25018 15 LX25018 14 Bolts washers and nuts shipped in place Drive chain Power Feed Mount Mount Cover ...

Page 26: ...lowing steps may be difficult due to the location of the motor terminals 8 Attach the wiring harness to the motor a Remove the blue and green wires with caps from the transport position near the Power Feed motors b Slide the protective caps up the wires to expose the ring terminals c Unscrew the nut with star washer KepsTM nut from the positive terminal on the motor d Place the wire ring terminals...

Page 27: ...bly WMdoc122320 3 14 3 See Figure 3 18 e Tighten the nuts f Slide the protective caps over the terminals 9 Install the Mount Cover See Fig 3 16 10 Repeat steps 2 through 9 for the other side FIG 3 18 LX25024 LEFT MOTOR RIGHT MOTOR Blue Blue Green Green ...

Page 28: ... level ground and level the sawmill Use a sawdust collection system when operating under roof or indoors electric only When operating the sawmill outdoors set up the sawmill placing the operator downwind to separate the operator from sawdust and or engine exhaust gases 4 1 Installing the Blade WARNING Wear gloves and eye protection when handling bandsaw blades Failure to follow this may result in ...

Page 29: ...de make sure the teeth are pointing the correct direction The teeth should be pointing toward the operator side of the mill when you are looking at the blade below the blade guides 4 Position 1 1 4 wide blades standard on the wheels so the gullet is 1 8 3 0 mm out from the edge of the wheel FIG 4 1 LX1501 04 Tensioner handle Tensioner handle storage area ...

Page 30: ...g the cant control or making other adjustments NOTE Check the blade tension after prolong use The blade and belts heat up and stretch the blade tension will change 3 Check the blade tension when there are changes in the ambient temperature 4 3 Tracking The Blade WARNING Do not spin the blade wheels by hand Failure to follow this may result in serious injury FIG 4 2 LX1501 04 Tensioner handle Tensi...

Page 31: ...See the appropriate manual supplied with your specific engine motor configuration for starting and operating instructions See Figure 4 3 3 Engage the blade momentarily rotating the blade until the blade positions itself on the wheels 4 Disengage the blade 5 Turn off the engine remove the key and check the position of the blade on the blade wheels 6 Use the cant control to adjust where the blade tr...

Page 32: ...ge of the blade wheel 1 32 75 mm See Figure 4 5 8 Adjust the blade tension if necessary to compensate for any changes that may have occurred while adjusting the cant control 9 Close the blade housing covers an ensure blade housing and pulley covers are in place and secure FIG 4 4 FIG 4 5 LX1501 07 Cant Control 150060 1 8 3 0 mm 1 32 0 75 mm 1 1 4 Blade ...

Page 33: ...in the tilted direction A Blade Guide Alignment Tool BGAT is provided to help you measure the vertical tilt of the blade OUTER BLADE GUIDE 1 Open the adjustable blade guide arm 1 2 13 mm from fully open 2 Clip the alignment tool on the blade 3 Position the tool close to the outer blade guide assembly NOTE Be sure the tool does not rest on a tooth or burr and is lying flat against the bottom of the...

Page 34: ...lt the roller down loosen the top screw and tighten the bottom screw 11 Tighten the jam nuts and recheck the tilt of the blade INNER BLADE GUIDE 12 Move the blade guide alignment tool close to the inner blade guide roller assembly and repeat the above steps 13 Adjust the vertical tilt of the inner blade guide if necessary Blade Guide Flange Spacing Each blade guide must be adjusted so the roller f...

Page 35: ...w only This will ensure horizontal and vertical tilt adjustments are maintained when the adjustment screws are retightened OUTER BLADE GUIDE 1 Ensure that the distance between the flange on the outer blade guide roller to the back edge of the blade measures to 1 8 3 0 mm 2 Adjust the roller back or forward if necessary See Figure 4 8 3 Loosen the top screw and one side screw 4 Gently tap the blade...

Page 36: ...ll persons are out of the path of the blade before starting the engine or motor Failure to follow this will result in serious injury WARNING Make sure all guards and covers are in place and secured before operating the sawmill Failure to follow this may result in serious injury Electrical systems will run with the key in the Accessories 3 position however you risk running your battery down See the...

Page 37: ... middle position as shown is the neutral position The power feed switch is designed to return to the neutral or off position when released from operating in the reverse posi tion If the switch remains engaged manually move the switch to the neutral or off posi tion and See Section 5 6 WARNING Ensure the power feed switch is in the neutral position before turning the key switch to the on 1 or acces...

Page 38: ...with width and hardness of the wood Over feeding results in engine and blade wear and also produces a wavy cut 4 Press and lock power feed handle forward to move forward 5 Stop the mast at the end of the cut by raising unlocking the feed handle or by turning the mast feed rate switch counterclockwise until the mast stops moving 6 Disengage the blade by setting the clutch handle up The engine will ...

Page 39: ...ure 5 2 CAUTION Ensure the up down drum switch moves to the neutral off position when released to ensure that the saw head stops moving If the switch remains engaged manually move the switch to the neutral or off position then troubleshoot the switch CAUTION DO NOT try to force the mast above the 35 88 cm mark or below the 1 2 54 cm mark Damage to the up down system may result 5 3 Up Down Simple S...

Page 40: ...criteria See Figure 5 4 The Setup Menu consist of Saw Head Up Down Speed 1 5 with 5 default being the fastest NOTE Lowering the set speed will assist in achieving the desired blade height setting in situations where the up down chains or mast pads are worn or loose Units of Measure Standard default or Metric millimeters Language English only FIG 5 3 FIG 5 4 Display area QS 26 Scroll up Scroll down...

Page 41: ...the control Press the Auto button to toggle between Set1 and Set2 To set the Set1 or Set2 value use the Scroll buttons to adjust the value in 1 16 or 1mm increments Values are automatically saved and will stay in memory until changed IMPORTANT You must add the kerf value to the increments Typi cal blade kerfs are between 1 16 1 8 1 6 3 2 mm Bump the up down drum switch down to move the blade to th...

Page 42: ...Logs must be loaded onto the mill with a forklift or other equipment specifically designed for that purpose 4 Position the log against the side supports NOTE Position the log on the bed sections to maximize support of the log by the bed If the log overhangs the bed it may tend to sag result ing in inaccurately sawn lumber CLAMPING LOGS CAUTION Make sure the side supports and clamp are positioned l...

Page 43: ...G A TAPERED LOG Use shims or the wedge to raise either end of a tapered log until the heart of the log mea sures the same distance from the bed rails at each end of the log See Figure 5 6 FIG 5 5 FIG 5 6 LX1503 04 Locking handle LX1503 05 Leveling wedge Raise log until the heart is parallel with the log bed ...

Page 44: ...eration 1 Set the outer blade guide to clear the widest section of the log by less than 1 25 4 mm 2 Use the blade guide toggle switch on the control panel to adjust the outer blade guide as necessary 3 Push the switch to the left to move the arm in push the switch to the right to move the arm out See Figure 5 7 4 Use the blade guide toggle switch to readjust the outer blade guide as you are cuttin...

Page 45: ...letely enters the log increase the feed rate as desired Always try to cut at the fastest speed you can while keeping an accurate cut Cutting too slowly will waste blade life and lower production As you get to the end of the log slow down the feed rate 6 When the teeth exit the end of the log disengage the clutch and remove the cut slab 7 Return the mast to the front of the mill 8 Repeat until the ...

Page 46: ... flitches or the boards that need to be edged 2 Stack the flitches on edge against the side supports 3 Clamp the flitches against the side supports halfway up the flitch height Wider flitches should be placed to the clamp side When they are edged flip them over to edge the second side without disturbing the other flitches or without having to pull them from the middle of the stack 4 Adjust the bla...

Page 47: ... scale Make a trim cut Return the mast for the second cut and lower it 1 1 8 29 mm below the original measurement The extra 1 8 3 mm allows for saw kerf and shrinkage of the lumber NOTICE The yellow area on the scale identifies where the blade could encounter a side support or log clamp Check that these items are below the blade level before sawing THE QUARTER SCALE The magnetic quarter scale has ...

Page 48: ...indicator Make a trim cut Return the mast for the second cut Now instead of having to measure down 1 1 8 29 mm on the inch scale you can simply lower the blade so the indicator is aligned with the next 4 4 mark on the quarter scale Turn the log 90 degrees and repeat 5 9 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 ...

Page 49: ...r WARNING Do not use flammable fuels or liquids such as diesel fuel Failure to follow this can damage the equipment and may result in seri ous injury or death Use ONLY water and Wood Mizer Lube Additive with the water lube accessory If these types of liquids are necessary to clean the blade remove it and clean with a rag If you are sawing in freezing temperatures remove the water lube bottle from ...

Page 50: ...nance procedures 6 1 Wear Life See Table 6 1 This chart lists estimated life expectancy of common replacement parts if proper maintenance and operation procedures are followed Due to the many variables which exist during sawmill operation actual part life may vary significantly This informa tion is provided so that you may plan ahead in ordering replacement parts 6 2 Blade Guides WARNING Turn the ...

Page 51: ...ves and eye protection when handling bandsaw blades Failure to follow this may result in serious injury WARNING Keep all other persons away from area when coiling car rying or changing a blade Changing blades is safest when done by one person Failure to follow this may result in serious injury 1 Open the blade housing cover 2 Turn the blade tension bar with the ratchet until the blade wheel is mov...

Page 52: ... 4 Sawdust Removal WARNING Turn the key switch to the OFF 0 position and remove the key before performing service near moving parts such as blades pulleys motors belts and chains If the key is turned on and moving parts activated serious injury or death may result Remove the excess sawdust from the blade wheel housings and sawdust chute every blade change WARNING Keep hands feet and any other obje...

Page 53: ...rn cause rough cuts or jerky feed movement 1 Clean track rails to remove any sawdust and sap buildup every eight hours of operation Use a light grade sandpaper or emery cloth to sand off any rust or other adhering parti cles from the rails CAUTION Keep track rails free of rust Formation of rust on the track rail in the areas where the cam bearings roll can cause rapid deteriora tion of the track r...

Page 54: ... will collect saw dust 6 7 Miscellaneous WARNING Turn the key switch to the OFF 0 position and remove the key before performing service near moving parts such as blades pulleys motors belts and chains If the key is turned on and moving parts activated serious injury or death may result 1 Oil all chains with Dexron III ATF every fifty hours of operation CAUTION Do not use chain lube It causes sawdu...

Page 55: ... disconnect and lockout power before performing any service to the electrical system Failure to follow this may result in injury or death WARNING Do not adjust the engine drive belts or belt support bracket with the engine running Doing so may result in serious injury or death See Table 6 2 See the table below for drive belt tension specifications Measure the belt tension with a gauge as shown in ...

Page 56: ...on the rubber boot stop pressing when the large o ring meets the edge of the belt cover See Figure 6 4 7 Read the pounds indicated by the small O ring it should read 8 lbs 3 63 kg 8 If the reading is too high or low use the clutch cable adjustment nuts to correct the ten sion FIG 6 4 1 2 5 10 15 20 25 30 LX2502 8 lbs 3 63 kg Cover 1 2 12 5mm 1 2 12 5mm Small o ring Large o ring ...

Page 57: ...hains If the key is turned on and moving parts activated serious injury or death may result ADJUST THE UP DOWN CHAIN AS NEEDED The up down chain is adjusted to level the sawhead 1 Locate the chain adjusting bolt at the bottom of the mast 2 Loosen the adjustment nut provided on the bottom of the sprocket assembly and move the sprocket up down until the sawhead is level 3 Repeat on the other side as...

Page 58: ...ion sources away at all times Failure to follow this will result in serious injury or death WARNING Always wear safety goggles and a face shield when work ing near batteries Failure to follow this could result in serious injury or death WARNING Wash hands after handling batteries to remove possible lead acid or other contaminants Failure to follow this could result in serious injury or death WARNI...

Page 59: ...ly when using a high rate or boost charger 40 amps or higher These EMERGENCY TREATMENT FOR CONTACT WITH BATTERY COMPONENTS LEAD SUL FURIC ACID per SDS Safety Data Sheet EYE CONTACT Sulfuric Acid and Lead Flush eyes immediately with large amounts of water for at least 15 minutes while lifting lids Seek immediate medical atten tion if eyes have been exposed directly to acid SKIN CONTACT Sulfuric Aci...

Page 60: ...y charge a good battery that is discharged They are not intended for unattended or long term charging 7 After the battery is completely recharged remove the negative charger jumper cable from ground 8 Remove the positive charger jumper cable from the battery 9 Replace the battery box lid ...

Page 61: ...lly Blades break prematurely Poor sharpening techniques Read the instructions with your blade sharpening equipment carefully Rubber belts on idle blade wheel worn to a point that blade contacts metal pulley look for shiny spots on edge of wheels Change idle blade wheel belts Tension too tight Tension blade to recommended specifications Blade does not track right on drive wheel Cant adjustment is i...

Page 62: ...tween cant and bed rails Remove particles Tooth set problems Resharpen and reset blade Sawdust builds up on track Excessive oiling Do not oil track Track wipers worn Adjust wipers to firmly contact track Track is sticky Clean track with solvent and apply silicone spray Wavy cuts Excessive feed Slow feed rate Improperly sharpened blade This will be the problem 99 of the time Resharpen blade followi...

Page 63: ... Set con trol See Figure 8 1 Error Description E02 Sensor This message is displayed if Simple Set cannot detect the encoder sensor mag net when entering auto mode Check that the gear box extension is aligned with the sensor Push any button on the Simple Set control to exit to manual mode E03 Sensor This message is displayed if Simple Set cannot detect a signal from the encoder sensor when entering...

Page 64: ...LEDs will illuminate green in the up direction as in manual mode When the drum switch is bumped in the down direction the control box LED and the H bridge D2 D3 D4 LED s will illuminate red in the down direction but the control board LED will immediately turn off When the blade reaches the increment value set by the Simple Set control the D2 D3 D4 LEDs on the H bridge will turn off If the drum swi...

Page 65: ... setting to the required value as shown in the table above 8 Press the Manual button to return to the main menu Simple Set PID Settings 1 Make sure the power to the control box is on 2 Press and hold the Manual button and then press and hold the UP button FIG 8 2 Models Revision Gear Setting InvGear Setting LT40 Default All 0 0938 Default No Default LT35 LT35HD A5 00 or any revision upgraded with ...

Page 66: ... several times until PGain DGain and IGain settings appear 5 Use the Up Down buttons to set the settings to the required values IMPORTANT The PID settings are factory set and they should not be changed If necessary set the PID settings to the following values PGain 1 0 DGain 0 0 and IGain 0 0 6 Press the Manual button to return to the main menu FIG 8 3 3H1128 Scroll Up Down Display Manual Auto ...

Page 67: ...ails Adjust the blade guide arm parallel to the saw head main tube Align blade guide arm parallel to the blade Adjust side supports square to the bed Final adjustments Prepare the sawmill for alignment Before performing the setup procedures from Section 3 setup the mill on firm level ground level the bed and adjust the legs so the entire frame is level BLADE REPLACEMENT 1 Remove the blade and chec...

Page 68: ...em blies BLADE GUIDE ARM VERTICALLY PARALLEL TO THE SAW HEAD MAIN TUBE 4 Adjust the blade guide arm to within 1 2 13 mm of fully retracted blue right position in Figure 9 1 5 Measure the distance between the sawhead main tube and the blade guide arm See Fig 9 1 6 Fully extend the blade guide arm 7 Measure the distance between the sawhead main tube and the blade guide arm See Fig 9 1 See Figure 9 1...

Page 69: ...e appropriate distance d Tighten the nut inside the sawhead frame e Tighten the nut between the sawhead frame and the grooved rollers See Figure 9 2 Sawhead frame members remove for illustration purposes only BLADE GUIDE ARM HORIZONTALLY PARALLEL TO THE BLADE 9 Fully extend the blade guide arm See Fig 9 1 10 Measure the distance between the blade and the blade guide arm near the blade guide 11 Mea...

Page 70: ...r if necessary Multiple trials may be needed to obtain the proper alignment a Loosen do not remove the nut inside the sawhead frame b Adjust the roller assembly bolt loosen tighten as necessary on the end of the roller assembly c Move the rollers the appropriate distance in or out until the measurements are the same d Tighten the nut inside the sawhead See Figure 9 4 FIG 9 3 FIG 9 4 LX1501 24 LX15...

Page 71: ...de Guide Alignment Tool BGAT is provided to help you measure the vertical tilt of the blade 14 Open the blade guide arm to within 1 2 13 mm of fully open 15 Clip the alignment tool on the blade NOTICE Position the tool close to the outer blade guide assembly Be sure the tool does not rest on a tooth or burr and is lying flat against the bottom of the blade See Figure 9 5 16 Move the mast so that t...

Page 72: ... and recheck the tilt of the blade 24 Move the blade guide alignment tool close to the inner blade guide roller assembly and repeat the above steps 25 Adjust the vertical tilt of the inner blade guide if necessary Blade Guide Horizontal Tilt Adjustment If the blade guides are tilted in the wrong direction horizontally the back of the blade may contact the flange as the roller is spinning down caus...

Page 73: ...he jam nuts on the horizontal tilt adjustment screws To tilt the roller left loosen the right screw and tighten left screw To tilt the roller right loosen the left screw and tighten the right screw 5 Tighten the jam nuts and recheck the tilt of the blade 6 Repeat the above steps for the other blade guide roller assembly Blade Guide Flange Spacing Each blade guide must be adjusted so the roller fla...

Page 74: ...ck edge of the blade measures to 1 8 3 0 mm 2 Adjust the roller back or forward if necessary See Figure 9 8 3 Loosen the top screw and one side screw 4 Gently tap the blade guide forward or backward until properly positioned 5 Retighten the screws and jam nuts INNER BLADE GUIDE 6 Ensure that the distance between the flange on the outer blade guide roller to the back edge of the blade measures to 1...

Page 75: ... 2 Measure from the bottom edge on a down set tooth of the blade to the top of the bed rail near the inner blade guide assembly If the scale does not indicate the actual distance from the blade to the bed rail when viewed level at the indicator adjust the indicator See Figure 9 9 3 Loosen the indicator bracket mounting screws 4 Adjust the bracket up or down until the indicator is aligned with the ...

Page 76: ...e blade wheel belts NOTE New blade wheel belts are required to perform the complete alignment procedure 3 Blow sawdust off of the blade guide assemblies and blade housings 4 Remove the blade guide assemblies NOTE To remove the blade guide assemblies and maintain the tilt adjustments only loosen one side screw and the top screw Leaving the other side screw and bottom screw in position will insure y...

Page 77: ...SIDE BLADE WHEEL 1 Attach the Blade Guide Alignment Tool p n LTBGAT to the blade as close to the wheel as possible without anything interfering with the tool NOTICE Be sure the tool does not rest on a tooth or burr and is lying flat against the bottom of the blade See Figure 9 10 2 Move the saw mast so the front end of the tool is positioned over the first bed rail 3 Measure from the bottom of the...

Page 78: ...am nut on the top adjustment screw and tighten the screw 6 Tighten the top and bottom jam nuts 8 Recheck the vertical tilt of the drive side blade wheel with the blade guide alignment tool 9 Readjust the blade wheel as necessary until the front and rear of the tool are the same distance from the bed rail within 1 16 1 5 mm IDLE SIDE BLADE WHEEL 1 Move the blade guild arm fully to the right 2 Remov...

Page 79: ...f the tool are the same distance from the bed rail within 1 16 1 5 mm BLADE TRACKING 6 Check the position of the blade on the idle side blade wheel The horizontal tilt of the blade wheel should be adjusted so that the blade tracks with the gullet of an 1 1 4 blade at 1 8 3 mm out from the front edge of the wheel 1 32 0 75 mm See Figure 9 12 7 Use the cant control adjustment to adjust the idle side...

Page 80: ...crew Tighten the left and right jam nuts Blade Guide Re installation NOTE Before re installing the blade guide assemblies remove the blade guide adjusting screws and apply a lubricating oil such as 10W30 or Dexron III to each screw This will prevent the screws and threaded holes from corroding and make screw adjustments easier 1 Position outer blade guide assembly with waterlube tube to the mounti...

Page 81: ...m the blade guide arm assembly 4 bolt on front 2 Remove the bottom cover 2 nuts and 2 flat washers 3 Open the sawhead door to gain access to the rear nuts of the 4 blade arm roller assem blies BLADE GUIDE ARM VERTICALLY PARALLEL TO THE SAW HEAD MAIN TUBE 4 Adjust the blade guide arm to within 1 2 13 mm of fully retracted blue right position in Figure 9 1 5 Measure the distance between the sawhead ...

Page 82: ...may be needed to obtain the proper alignment a Loosen do not remove the nut inside the sawhead frame b Loosen the nut between the sawhead frame and the grooved rollers c Turn the eccentric nut until the roller has move the appropriate distance d Tighten the nut inside the sawhead frame e Tighten the nut between the sawhead frame and the grooved rollers FIG 9 15 LX1501 22 Measure distance between a...

Page 83: ...the blade and the blade guide arm near the blade guide 11 Measure the distance between the blade and the blade guide arm near the sawhead frame See Figure 9 17 12 Adjust the blade guide arm until the two measurements are the same NOTE Start with the upper lower roller assemblies on one side and move to the other if necessary Multiple trials may be needed to obtain the proper alignment FIG 9 16 FIG...

Page 84: ...ers misaligns the drive sprockets loosen the motor mount bolts located on the bottom of the mounting bracket and move in or out as needed Tighten the bolts 13 Reassemble all blade guide arm covers removed in steps 1 and 2 of this section Blade Guide Deflection Perform the following steps to achieve proper blade deflection with the blade guides 1 Raise the saw head until the blade is 15 375 mm abov...

Page 85: ...he way in and all the way out Blade Guide Vertical Tilt Alignment The blade guides should be adjusted properly in the vertical plane If the blade guides are tilted vertically the blade will try to travel in the tilted direction A Blade Guide Alignment Tool BGAT is provided to help you measure the vertical tilt of the blade 1 Open the adjustable blade guide arm 1 2 13 mm from full open 2 Clip the a...

Page 86: ...e bed rail is not equal within 1 32 75 mm adjust the vertical tilt of the outer blade guide roller See Figure 9 21 6 Loosen one set screw at the side of the blade guide assembly 7 Loosen the jam nuts on the top and bottom vertical tilt adjustment screws To tilt the roller up loosen the bottom screw and tighten top screw To tilt the roller down loosen the top screw and tighten the bottom screw 8 Ti...

Page 87: ...ly NOTICE When adjusting blade guide spacing loosen the top set screw and one side set screw only This will ensure horizontal and ver tical tilt adjustments are maintained when the adjustment screws are retightened OUTER BLADE GUIDE 1 Ensure that the distance between the flange on the outer blade guide roller to the back edge of the blade measures to 1 8 3 0 mm 2 Adjust the roller back or forward ...

Page 88: ... indicates the true distance from the blade to the bed rails 1 Move the saw mast so the blade is positioned directly above one of the bed rails 2 Measure from the bottom edge on a down set tooth of the blade to the top of the bed rail near the inner blade guide assembly 3 If the scale does not indicate the actual distance from the blade to the bed rail when viewed level at the indicator adjust the...

Page 89: ...ustment Sawmill Alignment WMdoc042021 9 23 9 6 Retighten the indicator mounting nut For example if the measurement from the down set tooth of the blade to the bed rail was 14 3 4 375 mm make sure the indicator reads 14 3 4 375 mm on the scale ...

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