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3006-409-006 REV C
53
Note
Do not allow the ball nut assembly to come off the drive screw. The ball nut will be shipped attached to the drive screw
and retained in position during shipment. Remove the wire ties after installing the drive screw assembly.
12. Remove the thrust washers and bearing from the head end of the drive screw and set them aside.
13. Reverse the above steps to install the replacement ball screw assembly.
Note
Apply grease to all bearing areas.
CAUTION
Verify the fowler motor stops properly at both upper and lower electric limits. If it does not,
refer to
page 49
.
HEAD MOTOR BRAKE/CLUTCH REPLACEMENT
TOOLS REQUIRED:
• 3/8” Socket Wrench
• Snap Ring Pliers
• 9/16” Socket Wrench
• 9/16” Box End Wrench
• Wire Cutters
PROCEDURE:
1. Remove the fowler motor (
page 50
).
2. Using snap ring pliers, remove the snap ring from the motor shaft.
CAUTION
The brake/clutch is spring-loaded. Use caution when removing the snap ring so the parts do not drop to the floor.
3. Remove the old brake/clutch from the motor and discard it.
4. Using a 9/16” socket wrench and a 9/16” box end wrench, remove the nut, bolt and washers from the new
brake/clutch.
5. Install the new brake/clutch onto the motor. It may be necessary to turn the motor shaft to line up the key way with
the brake/clutch.
6. Using the snap ring pliers, install the new snap ring.
7. Using the wire cutters, remove the four wire ties from the new brake/clutch.
8. Reinstall the fowler motor (
page 50
).
9. Test the bed for proper operation before returning it to service.
FOWLER MOTOR BALL SCREW ASSEMBLY REPLACEMENT (CONTINUED)
Service Information
Summary of Contents for 3002
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