OEC 9800C-Arm, Руководство по обслуживанию

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Flip Flop Motion
Functional Tests
1. Release the Flip Flop brake and verify that the C can rotate freely in both directions.
2. Set the Flip Flop brake and verify that it prevents the C from rotating on its cradle in either direction.
Fault Isolation
Problem Possible Cause Solution
C-Arm does not rotate freely
when Flip Flop brake is released. Flip Flop brake shoe is loose
and stuck in wrong position. Disassemble brake in accordance with instructions in
Replacement chapter and check brake shoe position.
Secure brake shoe mounting hardware if necessary.
Flip Flop brake does not prevent
Flip Flop movement of C-Arm and
adjusting the brake doesn't help Flip Flop brake shoe is loose
or worn out Disassemble brake in accordance with instructions in
Replacement chapter and check brake shoe for wear.
Replace brake shoe if necessary.
Flip Flop brake does not prevent
Flip Flop movement of C-Arm. Brake is out of adjustment Adjust brake in accordance with the following
paragraph.
Adjustment
The Flip Flop Brake on a Standard C-Arm and Super C-Arm are substantially the same. The Super C has an addition adjustment
for setting drag to prevent C-free falling when the flip flop brake is released. Both the Standard C-arm and Super-C Flip Flop
Brakes are shown in the
Flip Flop section of the Replacement chapter.
If there isn’t sufficient tension on the brake shoe before the Mechanical Brake Stop contacts the brake handle, follow these steps
to adjust the brake handle position.
1. Remove the brake handle screw from the Brake Handle that has the Mechanical Brake stop.
2. Pull the Brake Handle off far enough that it clears the Mechanical Brake stop.
3. Tighten the brake by turning the brake handle.
3
Service Periodic Maintenance Contents Schematics Illustrated Parts Installation