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Mitek BLADE II Service Bulletin

Motor replacement
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SERVICE BULLETIN
Document ID:
SB253
Title:
BLADE II Saw Motor Replacement
Includes Hub and Saw Blade
Affected machinery: BLADE II wood processing system
Distribution: Customers upon order
CAUTION:
MiTek recommends printing
this document in high
resolution using color ink.
Many of the graphics may be
unclear and may create an
unsafe condition if this
recommendation is not
followed.
MiTek Automation
Phone: 800-523-3380
Fax: 636-328-9218
www.mitek-us.com
®
Copyright © 2024 MiTek
. All rights reserved.
Part # and Rev.
Print Date
Effectivity
Revision Date
Revised By
Orig. Release Date
Created By
Approved By
SB253
21 March 2024
All
15 March 2024
P. Hopper
R. Tucker

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Summary of Contents for Mitek BLADE II

  • Page 1 SERVICE BULLETIN Document ID: SB253 Title: BLADE II Saw Motor Replacement Includes Hub and Saw Blade Affected machinery: BLADE II wood processing system Distribution: Customers upon order CAUTION: Part # and Rev. SB253 MiTek recommends printing this document in high...

  • Page 2: Purpose And Scope

    SB253 Purpose and Scope This service bulletin instructs how to replace the motor used in the BLADE II wood processing unit. Overview BLADE II Parts Included The parts included in this kit are shown in Table 1. Please make sure all parts and supplies are present before starting the procedure.

  • Page 3: Lockout/Tagout Procedure

    SB253 Lockout/Tagout Procedure Electrical Lockout/Tagout WARNING ELECTROCUTION HAZARD. When the disconnect switch is off, there is still live power within the disconnect switch’s enclosure. Always turn off the power at the building’s power source to the equipment before opening this electrical enclosure.

  • Page 4: Removing Saw Blade

    SB253 REV. A Procedure Removing Saw Blade WARNING MOVING PARTS CAN CRUSH AND CUT. Always verify that power to the machine has been turned off and follow approved lockout/tagout procedures. 1. Place the saw in Manual Mode using the switch on operator interface, and use the machine software to position the saw head to prepare for saw blade removal: a) Rotate the angle of the saw blade so it is in a horizontal position (flat...

  • Page 5: Cut Hazard

    SB253 Figure 3: Bolts Securing Sawblade Bevel Motor Blade Rotation 6. Remove the saw blade and follow the below instructions to determine whether it should be discarded or kept for resharpening: a) Measure the diameter of the blade from outside edge of tooth to outside edge of tooth.
  • Page 6 SB253 REV. A a) Adjust the angle so that the motor is pointing upwards and the stroke so that the motor is close to the front of the saw chamber. See Figure Figure 4: Saw Head Position for Motor Removal Motor Removal Position 2.
  • Page 7 SB253 7. Use the 5/16 hex key to remove the 4 bolts securing the motor shown in Figure 9 and remove the motor. Retain all bolts and washers for installing the new motor. Figure 6: Removing Motor Bolts Bottom View 8.
  • Page 8 SB253 REV. A 6. Follow the below instructions to prepare for assembly of the hub and bushing: a) Clean motor shaft and hub bore with a solvent. It must be clean and dry before proceeding. b) Locate a clean surface / environment for the assembly of hub and bushing.
  • Page 9 SB253 11. Hold the hub still as Figure 8: Holding the Hub Still shown inFigure 8. (motor / hub shown outside saw chamber) a) To hold hub in position, fasten two A torque wrench bolts to the saw hub. should be Use extra new saw calibrated on a blade bolts.
  • Page 10 SB253 REV. A Installing the New Saw Blade 1. Prepare the surfaces: WARNING Mounting surfaces and hardware must be clean and dry when installing saw blade. Dust, dirt, and lubrication may cause the blade to come loose, causing injury or death. a) Blow off dust from the hub and the bolt threads.
  • Page 11 • Cracks, warping, missing or dull teeth, etc. • Observe any wobble or vibration during rotation. • Check that the bolts holding the blade to the hub are secure. 8. Calibrate the stroke and LASM axes per your BLADE II manual. END OF SERVICE BULLETIN Original Instructions...

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