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

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  • Page 1 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...
  • Page 2 Printed in the United States of America, all rights reserved. No part of this man- ual may be reproduced in any form by any photographic, electronic, mechanical or other means or used in any information storage and retrieval system without written permission from Wood-Mizer 8180 West 10th Street Indianapolis, Indiana 46214...

  • Page 3: Table Of Contents

    Table of Contents Section-Page SECTION 1 SETUP & OPERATION Control Setup..................1-1 Contrast Adjustment..............1-2 Startup Configuration ............1-2 Other Settings................1-5 Restore Factory Defaults ............1-9 Mode Selection..................1-10 Using Auto-Down Mode ..............1-12 Using Auto-Up Mode ................1-14 Using Pattern Mode................1-15 Using Reference Mode .................1-17 SECTION 2 ACCUSET 2 TROUBLESHOOTING Control Lights (Dual-Axis) ..............2-1 LT70HD RemoteRev.

  • Page 4: Setup & Operation

    Setup & Operation Control Setup SECTION 1 SETUP & OPERATION Control Setup The Accuset 2 is programmed for operation with DC saw- mills by default. If your sawmill is an AC model, press and hold the toggle button when first turning the key switch on. display will read...

  • Page 5: Contrast Adjustment

    Setup & Operation Control Setup 1.1.1 Contrast Adjustment When the Accuset is first powered on, the Accuset 2 splash screen is displayed for a few seconds. Push and hold the Up or Down button to adjust the display contrast as desired for your lighting conditions.
  • Page 6 Setup & Operation Control Setup Adjust Gradient. If the Accuset is factory-installed, the Gradient Setting is already  set to match the gradient of the transducer sensor (labeled "GRD" on the sensor). If the Accuset has been installed in the field, the transducer replaced or the Accuset control has been reset to Factory Settings, the Gradient Setting should be adjusted.
  • Page 7 Setup & Operation Control Setup Press At 12 Inches (or 305mm in metric mode). The Accuset control should indi-  cate the actual position of the blade above the bed rails. To check this setting, move the saw carriage so the blade is positioned above a bed rail. Raise the saw head until the blade is positioned 12"...

  • Page 8: Other Settings

    Setup & Operation Control Setup 1.1.3 Other Settings Set Kerf. The Kerf setting is optional. The default kerf setting is ’0’. You can use the kerf setting to automatically factor the blade thickness into the increment setting. Factoring the kerf into the program will allow you to saw boards that are the actual thickness of the pro- grammed increment.
  • Page 9 Setup & Operation Control Setup See Figure 1-6. You can change other settings for the Accuset including the language used on the display, the unit of measure, and PID 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.
  • Page 10 Setup & Operation Control Setup Language. You can choose the language used for the Accuset display. Push the Lan- guage button and choose the desired language. Push the Save (or language 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.
  • Page 11 Setup & Operation Control Setup Units. This setting allows you to choose what unit of measure to use for your Blade Height and Increment Settings. The default value is Fractional Inches (1/32”). You can change the Unit Of Measure to Decimal Inches (.0313”) or Millimeters (1 mm). Push the Save button to store the new Unit Of Measure setting.

  • Page 12: Restore Factory Defaults

    Diagnostic. This menu provides diagnostic information regarding voltage, current and software revisions. This information can be useful for troubleshooting 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.

  • Page 13: Mode Selection

    Setup & Operaton Mode Selection Mode Selection See Figure 1-8. To select an Accuset mode, press the desired Mode Select button (Auto-Down, Auto-Up or Pattern) located under the display. Press the Manual Mode Select button to return the control to Manual Mode. Current Blade Height (inches) Increment Settings Toggle...
  • Page 14 Setup & Operaton Mode Selection head is being raised. The Increment Settings buttons work in the same manner as described in Auto-Down Mode. NOTE: The sixteen increment settings apply to Auto-Down AND Auto-Up modes. If you change a setting in Auto-Down mode, it will also change when you are in Auto-Up mode.

  • Page 15: Using Auto-Down Mode

    Setup & Operation Using Auto-Down Mode Using Auto-Down Mode See Figure 1-9. In Manual Mode, Cut first face as Switch to Manual Mode position blade desired in Auto-Down and position blade for trim cut. Switch Mode then turn for trim cut. Switch to to Auto-Down and log.
  • Page 16 Setup & Operation Using Auto-Down Mode To change an Increment Setting, select the desired setting number and push the Up or Down buttons until the desired Increment Setting 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"...

  • Page 17: Using Auto-Up Mode

    Setup & Operation Using Auto-Up Mode 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. Setup & Operation 60AS2-R07doc032519 1-14...

  • Page 18: Using Pattern Mode

    Setup & Operaton Using Pattern Mode Using Pattern Mode Starting with a new log, position the saw head at the front end of the log. Push the Pattern button under the display. Pattern Setting #1 is the factory default. Choose the desired pattern setting (1 - 16) by pushing the appropriate Increment Setting button.
  • Page 19 Setup & Operaton Using Pattern Mode enter the Save Settings menu, then push the Save button. Push the Pattern button to return to Pattern Mode and push Increment Selection button #4. All of the pattern settings should now be 1 1/8”. Push the Manual Mode button and raise the saw head so the blade is positioned near the top of the log.

  • Page 20: Using Reference Mode

    Setup & Operation Using Reference Mode Using Reference Mode While in Manual Mode, push the Toggle button to enter Reference Mode. Push one of the four Increment Setting buttons to select a reference. Factory defaults for buttons 1 through 4 are 1”, 12”, 24” and 31”. Push the up/down drum switch in the appro- priate direction to start the saw head toward the reference position.

  • Page 21: Accuset 2 Troubleshooting

    Accuset 2 Troubleshooting Control Lights (Dual-Axis) SECTION 2 ACCUSET 2 TROUBLESHOOTING Control Lights (Dual-Axis) LT70HD Remote Rev. B3.00+ DC Only: Lights are provided on the control front panel and the motor control assembly (located in the remote power box) to help diagnose power feed or up/down problems should they occur.
  • Page 22 Accuset 2 Troubleshooting Control Lights (Dual-Axis) See Figure 2-2. Diagnostic lights are provided on the motor control module. When the saw head is in neutral (not moving up, down, forward or in reverse), the Status light is green. Up/Down lights: When the up/down drum switch is moved to the up position, the switch and motor lights are green.

  • Page 23: Control Lights (Single-Axis)

    Accuset 2 Troubleshooting Control Lights (Single-Axis) Control Lights (Single-Axis) LT70HD Remote prior to Rev. B3.00 Lights are provided on the control front panel and the motor control assembly (located in the remote power box) to help diagnose up/down problems should they occur. See Figure 2-3.
  • Page 24 Accuset 2 Troubleshooting Control Lights (Single-Axis) See Figure 2-4. DC Only (Rev. B.00+): Diagnostic lights are provided on the motor con- trol module. When the saw head is in neutral (not moving up or down), the Status light is green, with a flash of red. When the up/down drum switch is moved to the up position, the switch and motor lights are green.
  • Page 25 Accuset 2 Troubleshooting Control Lights (Single-Axis) See Figure 2-5. DC Only (Rev. A.00 - A.02): Diagnostic lights are provided on the motor control module. When the saw head is in neutral (not moving up or down), the status light is green and the brake light is red. When the up/down drum switch is moved to the up position, the brake light is off and the switch and motor lights are green.

  • Page 26: Error Messages (Dc Only)

    Accuset 2 Troubleshooting Error Messages (DC Only) Error Messages (DC Only) See Table 2-6. Possible causes for display error messages are provided below. Error Possible Cause(s) Defective or loose transducer cable CHECK TRANSUCER Defective 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...

  • Page 27: Diagnostic Screen

    Accuset 2 Troubleshooting Diagnostic Screen Diagnostic Screen The diagnostic screen can be used to help diagnose battery, up/down and power feed motors and power feed potentiometer problems should they occur. See Figure 2-7. To display the Diagnostic Screen, push the Up button while in Manual Mode to display Configuration Menu 1.
  • Page 28 Accuset 2 Troubleshooting Diagnostic Screen See Figure 2-8. The Diagnostic Screen is shown below. Push UP/DOWN button to scroll up/down Battery Voltage: 12.0 Controller Voltage: 11.8 Motor Current: Feed Current: Exit Feed Current: Feed Potentiometer: |X-------------------------| HBridge Module: Version C.12 [DC] HMI Module: Version C.11 Exit...

  • Page 29: Replacement Parts

    Replacement Parts Sensor Assembly SECTION 3 REPLACEMENT PARTS Sensor Assembly 600037-4C DESCRIPTION ( Indicates Parts Available In Assemblies Only) PART # QTY. TRANSDUCER ASSEMBLY, LT60/70 ACCUSET 034242  Mount Weldment, Transducer 034239 Grommet, 3/4” ID Rubber 025247 Replacement Parts 60AS2-R07doc032519...
  • Page 30 Replacement Parts Sensor Assembly Washer, 3/4” ID Nylon 025250 Nut, 3/4-16 Hex Nylon Lock Jam F05010-171 Sensor, Balluff Transducer Style Z 038659 Magnet, Balluff Transducer 038658 Pointer, Scale Height 017778 Plate, Transducer Ring Mount 033940 Screw, #8-32 x 1 1/4” Hex Head Stainless Steel F05004-291 Washer, #8 SAE Flat F05011-41...

  • Page 31: Control Assembly (Operator Box)

    Replacement Parts Control Assembly (Operator Box) Control Assembly (Operator Box) Accuset 2 Rev. C.00+ 10 11 3H1123B DESCRIPTION ( Indicates Parts Available In Assemblies Only) PART # QTY. CONTROL ASSEMBLY, ACCUSET 2 REMOTE 053052 Box Weldment, Accuset 2 Control 003800 ...
  • Page 32 Replacement Parts Control Assembly (Operator Box) SCREW, #10-24 X 1/2” PHILLIPS HEAD F05015-17 BRACKET, ACCUSET HOLDOWN CLAMP 015296 WASHER, #10 SAE FLAT F05011-18 BOLT, #10-24 X 1/2” HEX HEAD F05004-27 CONDUIT, 5/8” SPLIT LOOM HIGH TEMP 024323-62 8 in. TIE WRAP, 3/16” X 6” BLACK UV F05089-3 CARD KIT, ACCUSET 2 SOFTWARE UPDATE 053225...

  • Page 33: Accuset 2

    Replacement Parts Control Assembly (Operator Box) Control Assembly (Operator Box) Accuset 2 Rev. A.00 - B.02 3H0986B DESCRIPTION ( Indicates Parts Available In Assemblies Only) PART # QTY. CONTROL ASSEMBLY, ACCUSET 2 REMOTE 053052 Box Weldment, Accuset 2 Control 003800 ...
  • Page 34 Replacement Parts Control Assembly (Operator Box) CABLE ASSEMBLY, LT40/70-R HMI BYPASS (DC ONLY) 053039 SCREW, #10-24 X 1/2” PHILLIPS HEAD F05015-17 BRACKET, ACCUSET HOLDOWN CLAMP 015296 WASHER, #10 SAE FLAT F05011-18 BOLT, #10-24 X 1/2” HEX HEAD F05004-27 CONDUIT, 5/8” SPLIT LOOM HIGH TEMP 024323-62 8 in.

  • Page 35: Control Assembly (Dc Remote Box)

    Replacement Parts Control Assembly (DC Remote Box) Control Assembly (DC Remote Box) 3H0988-1C DESCRIPTION ( Indicates Parts Available In Assemblies Only) PART # QTY. DRIVE ASSEMBLY, ACCUSET 2 W/BRACKET 053050 Plate, Control Board Mounting 056763 Control Assembly, Accuset 2 Motor 057821LS-FR PCB Assembly, Transient Voltage Suppression 069556...
  • Page 36 Replacement Parts Control Assembly (DC Remote Box) BOLT, 1/4-20 X 5/8” STAINLESS BUTTON SOCKET HEAD F05005-128 NUT, 1/4-20 SELF-LOCKING HEX F05010-9 WIRE ASSEMBLY, REMOTE BRIDGE BYPASS 053214 CABLE ASSEMBLY, DUAL M12 TO D-SUB 053696 GUARD ASSEMBLY, LOWER POWER BOX WIRE 006021 Guard, Lower Power Box Wire 006014...

  • Page 37: Control Assembly (Ac Remote Box)

    Replacement Parts Control Assembly (AC Remote Box) Control Assembly (AC Remote Box) 600092-3 DESCRIPTION ( Indicates Parts Available In Assemblies Only) PART # QTY. MODULE ASSEMBLY, ACCUSET 2 AC INTERFACE W/BRACKET 053194 Module, Accuset 2 AC Drive Interface 052892 Plate, Accuset 2 Drive Mounting 056763 Screw, #-8-32 x 3/8”...

  • Page 38: Cover Assembly

    Replacement Parts Cover Assembly Cover Assembly 3H0848-2 DESCRIPTION ( Indicates Parts Available In Assemblies Only) PART # QTY. COVER, ACCUSET CONTROL 016703 SCREW, 1/4-20 X 1/2” STAINLESS SOCKET HEAD F05005-148 WASHER, 1/4” SAE FLAT F05011-11 NUT, 1/4-20 HEX HALF NYLON LOCK F05010-156 ARM, ACCUSET COVER LINK 016704...

  • Page 39: Index

    INDEX operation auto-down mode 1-12 auto-up mode 1-14 control description 1-10 pattern mode 1-15 reference mode 1-17 replacement parts control assembly (AC remote box) control assembly (DC remote box) control assembly (operator box) 3-3, 3-5 cover assembly 3-10 sensor assembly setup contrast adjustment control setup...

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