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Wood-mizer LT70-R, Safety, Operation, Maintenance & Parts Manual

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LT70-R Accuset 2

Safety, Operation, Maintenance

& Parts Manual

ASET2 for LT70HD Remote rev. A.00 - C.01
 

Safety is our #1 concern!

 Read and understand

all safety information and instructions before oper-
ating, setting up or maintaining this machine.

October 2007

Form #1523

Summary of Contents for LT70-R

Page 1: ...tion Maintenance Parts Manual ASET2 for LT70HD Remote rev A 00 C 01 Safety is our 1 concern Read and understand all safety information and instructions before oper ating setting up or maintaining this machine October 2007 Form 1523 ...

Page 2: ...he State of California to cause cancer and birth defects or other reproductive harm x Always start and operate the engine in a well ventilated area x If in an enclosed area vent the exhaust to the outside x Do not modify or tamper with the exhaust system x Do not idle the engine except as necessary For more information go to www P65warnings ca gov WARNING Drilling sawing sanding or machining wood ...

Page 3: ...g Reference Mode 1 17 SECTION 2 ACCUSET 2 TROUBLESHOOTING 2 1 2 1 Control Lights Dual Axis 2 1 LT70HD RemoteRev B3 00 2 1 2 2 Control Lights Single Axis 2 3 LT70HD Remoteprior to Rev B3 00 2 3 2 3 Error Messages DC Only 2 6 2 4 Diagnostic Screen 2 7 SECTION 3 REPLACEMENT PARTS 3 1 3 1 Sensor Assembly 3 1 3 2 Control Assembly Operator Box 3 3 Accuset 2 Rev C 00 3 3 3 3 Control Assembly Operator Box...

Page 4: ...g the Up Down Adjustment Buttons To make adjustments to a setting push the Up or Down arrow buttons to scroll to the desired setting As you push and hold the up or down buttons the setting scrolling speed will automatically increase In Manual Mode the up and down arrow buttons have special functions You can enter configuration menus by pushing the Up button Pushing the Down button moves the saw he...

Page 5: ...ons 1 1 2 Startup Configuration Accuset controls on new sawmills are configured at the factory If you have installed or replaced the control be sure to configure the control before operating the Accuset Follow the procedures below in the order they are listed See Figure 1 2 To enter Configuration Menu 1 push the Up button while in Manual Mode FIG 1 2 3H0989 2 6 3 4 Push UP button to enter Configur...

Page 6: ... the button labeled Calibrate Head then the Adjust Gradient button to dis play the menu below See Figure 1 4 Push the Up or Down buttons until the Gradient Setting is the same as the sensor gradient shown on the sensor label use the number labeled us in Push the Save button to store the new Gradient Setting If you don t want to save the new setting and want to return to the previously stored Gradi...

Page 7: ... a down set tooth of the blade While in Manual Mode push the Up button to enter the Configuration Menu Choose Calibrate Head and press the button labeled Press at 12 inches or Press at 305mm The display will change to Head Calibrated Push the Save Settings button to store the new 12 inches setting and exit the Configuration Menu After recalibrating the Accuset control check and adjust the inch sca...

Page 8: ...tton to enter the Configuration Menu Press the Set Kerf button to display the menu below See Table 1 1 Recommended kerf settings for various blades are provided below These kerf setting values assume the teeth of the blade are set per factory specifications If you prefer a nominal kerf value of 125 3 mm can be entered and should be accurate enough for most applications Push the Set Kerf button and...

Page 9: ...values These settings are found in Configuration Menu 2 To display Configuration Menu 2 push the Up button while in Man ual Mode to display Configuration Menu 1 Select Other to display Configuration Menu 2 FIG 1 6 3H0989 5 CONFIGURATION MENU 2 Units Language PID Values Diagnostic CONFIGURATION MENU 1 Calib Head Save Set Kerf Other Push Other button in Configuration Menu 1 to enter Configuration Me...

Page 10: ...nguage equivalent button to permanently store the new Language setting To return to the previously stored Language setting push Exit and turn the key switch to the off 0 position FIG 1 6 3H0989 7 CHANGE LANGUAGE 3 English Portuguese Exit CHANGE LANGUAGE 2 English Spanish Polish Other CHANGE LANGUAGE 1 French English German Other Push Other button to enter Language Menu 2 Push Other button to enter...

Page 11: ...ne tune the Accuset control for various environmental factors These set tings are made at the factory and should not normally need adjusting by the operator See Table 1 2 The factory default PID value settings are shown below Alternate set tings are provided for use with LT70E25 electric sawmills After making the desired PID Value adjustments push the Save button and go to the desired Accuset mode...

Page 12: ...eshooting by a qualified Wood Mizer service representative 1 1 4 Restore Factory Defaults To return all Accuset settings the their factory default values press and hold the Toggle button and turn the key switch on The Accuset settings are now returned to their factory default values including Calibration settings See Section 1 1 2 to recalibrate the Accuset control PID values See Section 1 1 3 for...

Page 13: ...hen you push the drum switch down You can store sixteen different increment levels using the four numbered Increment Set tings buttons Each button stores four adjustable increment settings Push button 1 once for setting 1 Push button 1 a second time for setting 5 etc Auto Up Mode This mode references the current blade height and allows you to choose an increment to move the blade up The Accuset wi...

Page 14: ...references the bed surface and allows you to program up to six different increments calculated up from the bed The sixth top increment repeats itself up to the upper limit of the saw head travel The bottom increment indicates the size of the remaining cant when the pattern is complete Reference Mode This mode allows the operator to program up to four pre set locations along the saw head travel The...

Page 15: ...Mode position blade for trim cut Switch to Auto Down and make trim cut Cut first face as desired in Auto Down Mode then turn log Switch to Manual Mode and position blade for trim cut Switch to Auto Down and make trim cut Cut second face as desired in Auto Down Mode then turn log Switch to Manual Mode and position blade for trim cut Switch to Auto Down and make trim cut Cut third face as desired in...

Page 16: ...Now push the Save button to enter the Save Settings menu Push the Save Settings button Your program is saved You can program multiple buttons and save them all at one time Push the Auto Down button to return to Auto Down Mode if necessary Make the trim cut raise the saw head and return the carriage to the front of the log Push the up down drum switch down and release The saw head will automaticall...

Page 17: ...ion Using Auto Up Mode Setup Operation 60AS2 R07doc032519 1 14 1 1 4 Using Auto Up Mode Auto Up Mode works exactly the same as Auto Down explained above except it controls the saw head movement in the up direction ...

Page 18: ...tomatically be copied to the remaining increments below Push the Up or Down buttons until the desired increment is obtained Remember to include blade kerf in your setting i e If you want the finished boards to be 1 thick set the increment to 1 1 8 to allow for typical blade kerf The amount of kerf will depend on the thickness and tooth set of the blade you are using The Accuset can be programmed w...

Page 19: ...l automatically stop at the first setting determined by the top pattern increment Make a cut raise the saw head and return the carriage for the next cut Push the up down drum switch down and release The saw head will stop at the setting for the next cut Repeat this procedure down this face of the log as desired Turn the log as you normally would and push the Manual Mode button to place the Accuset...

Page 20: ...ce position Accuset will return to Manual Mode To change the stored setting for any of the four buttons move the saw head to the desired position Press the Toggle button to enter Reference Mode Push the button you wish to store the setting and then push Store Here Push the Toggle button to return to Manual Mode You can also change a setting by selecting one of the four Increment Setting buttons an...

Page 21: ...r box to help diagnose power feed or up down problems should they occur See Figure 2 1 Two indicator lights are provided on the back of the front control panel If power is supplied to the control panel the red power indicator light will be illuminated The drum switch indicator illuminates when the up down drum switch is engaged The light will illuminate green with the drum switch in the up positio...

Page 22: ...h and motor lights are green If an error occurs the status light will turn red A corresponding error message will be dis played to provide more detail about the problem FIG 2 2 Switch Input Motor Output Up Grn Dn Red Status Grn Ready Red Error Switch Input Motor Output Up Grn Dn Red Status Grn Ready Red Error SM0342 2 Switch Input Motor Output Up Grn Dn Red Status Grn Ready Red Error Switch Input ...

Page 23: ...help diagnose up down problems should they occur See Figure 2 3 Two indicator lights are provided on the back of the front control panel If power is supplied to the control panel the red power indicator light will be illuminated The drum switch indicator illuminates when the up down drum switch is engaged The light will illuminate green with the drum switch in the up position and red with the drum...

Page 24: ...down position the switch and motor lights are red If an error occurs the status light will turn red with a flash of green A corresponding error message will be displayed to provide more detail about the problem FIG 2 4 Switch Input Motor Output Up Grn Dn Red Status Grn Ready Red Error Switch Input Motor Output Up Grn Dn Red Status Grn Ready Red Error SM0342 1 Switch Input Motor Output Up Grn Dn Re...

Page 25: ... light is off and the switch and motor lights are green With the up down drum switch in the down position the brake light is off and the switch and motor lights are red If an error occurs the status or sensor light will turn red A corresponding error mes sage will be displayed to provide more detail about the problem FIG 2 5 Switch Motor Brake Status Sensor Diagnostics Switch Motor Brake Status Se...

Page 26: ...tive transducer MOTOR CURRENT Excessive current draw on Up Down motor caused by mechanical bind in saw head move ment or defective up down assist cylinder Short in up down motor wires VOLTAGE ERROR Low voltage at the H bridge or HMI front panel Weak battery Over charging alternator Loose connections CHECK BREAKER OR CABLE Tripped Up Down circuit breaker Defective or loose communication cable in ca...

Page 27: ...sh the Up button while in Manual Mode to display Configuration Menu 1 Select Other to display Configuration Menu 2 Push the Diagnostic button to display the Diagnostic Screen FIG 2 7 3H0989 8 CONFIGURATION MENU 2 Units Language PID Values Diagnostic 6 3 4 Push Other button in Configuration Menu 1 to enter Configuration Menu 2 Push UP button to enter Configuration Menu 1 Push Diagnostic button to e...

Page 28: ...tor Feed Current Amperage of power feed motor Feed Potentiometer This tests input signal of the power feed potentiometer Turn the power feed potentiometer to check if it moves smoothly HBridge Module This is the H Bridge software revision HMI Module This is the HMI module software revision FIG 2 8 3H0989 9 Exit Exit Feed Current 0 Feed Potentiometer X HBridge Module Version C 12 DC HMI Module Vers...

Page 29: ...CEMENT PARTS 3 1 Sensor Assembly REF DESCRIPTION Indicates Parts Available In Assemblies Only PART QTY TRANSDUCER ASSEMBLY LT60 70 ACCUSET 034242 1 1 Mount Weldment Transducer 034239 1 2 Grommet 3 4 ID Rubber 025247 1 13 14 14 13 15 16 17 21 18 600037 4C 6 11 12 7 8 9 10 1 2 3 4 5 19 20 22 23 ...

Page 30: ... F05007 191 4 14 Nut 3 8 16 Hex Nylon Lock F05010 10 4 15 Washer 5 16 SAE Flat F05011 17 2 16 Bolt 5 16 18 x 1 Hex Head F05006 1 2 17 Nut 5 16 18 Hex Nylon Lock F05010 58 2 18 Grommet 3 8 ID Rubber 025248 1 Cover Kit Lower Accuset Sensor 003185 1 19 Cover LT70 Lower Accuset Sensor 038985 1 20 Bolt 1 4 20 x 3 4 Hex w Conical Washer Head F05005 134 2 Edging 3 8 x 1 2 Black Rubber 014548 354 ft Instr...

Page 31: ...ccuset 2 Modular Front 069649 1 5 Panel Weldment AccuSet 2 Front Module 055929 1 6 Gasket Accuset Front Panel 024870 1 7 Switch Accuset 2 Membrane 052874 1 8 Spacer 1 4 OD x 5 16 Long Nylon 069650 4 9 Display Accuset 2 Front Panel 052900 1 10 Spacer 1 8 ID x 1 4 OD x 3 16 Long 024864 4 11 Spacer 1 4 Hex Tapped 024863 4 12 PCB Assembly Accuset 2 Replacement Control 069662 1 13 Screw 4 20 x 1 4 T10 ...

Page 32: ...REW 10 24 X 1 2 PHILLIPS HEAD F05015 17 4 19 BRACKET ACCUSET HOLDOWN CLAMP 015296 1 20 WASHER 10 SAE FLAT F05011 18 4 21 BOLT 10 24 X 1 2 HEX HEAD F05004 27 4 22 CONDUIT 5 8 SPLIT LOOM HIGH TEMP 024323 62 8 in 23 TIE WRAP 3 16 X 6 BLACK UV F05089 3 2 24 CARD KIT ACCUSET 2 SOFTWARE UPDATE 053225 1 ...

Page 33: ...EMOTE 053052 1 1 Box Weldment Accuset 2 Control 003800 1 2 Screw 1 4 20 x 3 8 Socket Button Head F05005 62 4 3 Nut 1 4 20 Self Locking Hex F05010 9 4 4 Screw 10 24 x 1 2 Phillips Head F05015 17 8 5 Panel Assembly Accuset 2 Front 053018 1 6 Gasket Accuset Front Panel 024870 1 7 Gasket Accuset Control Box 015980 1 8 Cover Parts See Section 3 6 9 Harness Assembly Accuset 2 LT40 70 R HMI 052950 1 15 1...

Page 34: ...P 015296 1 13 WASHER 10 SAE FLAT F05011 18 4 14 BOLT 10 24 X 1 2 HEX HEAD F05004 27 4 15 CONDUIT 5 8 SPLIT LOOM HIGH TEMP 024323 62 8 in 16 TIE WRAP 3 16 X 6 BLACK UV F05089 3 2 17 CARD KIT ACCUSET 2 SOFTWARE UPDATE 053225 1 1 Bypass Cable Assembly 053039 no longer required because remote sawmill harness includes wires that connect directly to the up down drum switch 4 08 053039 still available fo...

Page 35: ...1 Plate Control Board Mounting 056763 1 2 Control Assembly Accuset 2 Motor 057821LS FR1 1 PCB Assembly Transient Voltage Suppression 069556 1 Suppressor Assembly Dual 5KW Transient Voltage 053204 2 1 3 Nut 1 4 20 Self Locking Hex F05010 9 5 4 Clamp 5 8 Coated EMT 010748 1 5 Washer 1 4 SAE Flat F05011 11 1 6 Bolt 1 4 20 x 3 4 Hex Head Full Thread F05005 1 1 7 WASHER 1 4 SPLIT LOCK F05011 14 4 10 11...

Page 36: ... 057821LS FR replaces assembly 057821LS supplied prior to 5 11 Kit includes diode PCB to provide transient voltage spike prevention Dual Axis Control 057821LS FR replaces 052974 to reduce cost Rev B 00 2 Added Rev A 01 to protect H Bridge module from voltage spikes due to loose battery fuse connections Use kit 053205 to retrofit previous revisions Effective Rev A 02 Control Assembly 052974 was mod...

Page 37: ...Head F05005 186 4 4 Nut 8 32 Self Locking Hex F05010 41 4 5 WASHER 1 4 SPLIT LOCK F05011 14 4 6 BOLT 1 4 20 X 5 8 STAINLESS BUTTON SOCKET HEAD F05005 128 4 7 NUT 1 4 20 SELF LOCKING HEX F05010 9 4 8 CABLE ASSEMBLY INTERMEDIATE CANBUS 053086 1 9 CABLE ASSEMBLY INTERMEDIATE TRANSDUCER 053085 1 10 CABLE ASSEMBLY AC DRIVE INTERFACE 053195 1 GUARD ASSEMBLY LOWER POWER BOX WIRE 006021 1 11 Guard Lower P...

Page 38: ...1 4 SAE FLAT F05011 11 16 4 NUT 1 4 20 HEX HALF NYLON LOCK F05010 156 8 5 ARM ACCUSET COVER LINK 016704 2 6 BOLT 5 16 X 1 2 SHOULDER 1 4 20 THREAD F05006 69 4 7 WASHER 5 16 SAE FLAT F05011 17 4 8 WASHER 5 16 BELLEVILLE F05011 93 4 9 BUSHING 5 16 ID X 3 8 OD X 1 4 LONG BRONZE 016655 4 10 WASHER 5 16 FLAT NYLON F05011 92 4 11 WASHER 1 4 FENDER F05011 12 4 1 2 2 2 2 3 3 3 3 3 3 4 4 4 4 4 4 4 4 5 5 6 ...

Page 39: ... assembly AC remote box 3 9 control assembly DC remote box 3 7 control assembly operator box 3 3 3 5 cover assembly 3 10 sensor assembly 3 1 S setup contrast adjustment 1 2 control setup 1 1 model configuration 1 2 other settings 1 5 restore defaults 1 9 startup configuration 1 2 T troubleshooting control lights 2 1 2 3 diagnostics screen 2 7 error messages 2 6 INDEX ...

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