9600 Service Manual - gmecorp-usa.com

36 Mechanical Assemblies
VERTICAL COLUMN MOTOR REPLACEMENT
Refer to Figure 16.
WARNING... Circuits inside this equipment contain voltages capable of causing
serious injury or death from electrical shock.
Observe safety procedures when operating motorized mechanical
features.
1. Remove the Front Cover, Front Leg Cover and Right Front Cover.
2. Turn the Workstation keyswitch to the ON position. After the Mobile C-Arm
has completed the boot sequence press the Vertical Column switch and
raise the Vertical Column approximately 12 inches.
3. Block the Vertical Column at the 12-inch height so that the chain linkage is
easily accessible through the casting access port.
4. Turn the Workstation keyswitch to the OFF position.
5. Remove PS1 (+5V Power Supply) contained in the forward cavity of the
casting.
NOTE: If necessary block the Mobile C-Arm and elevate approximately 3
inches to access the bolt referenced in the next step.
6. Release the tension from the horizontal chains by reaching underneath the
cabinet with an open ended, 1/2-inch box wrench and loosen the hex bolt
approximately 1-1/2-inch.
7. Remove 4 hex bolts from the bottom of the casting that secure the motor
gear box to the casting.
8. Disconnect the Vertical Column motor wiring.
9. Remove the horizontal chains from the vertical drive sprockets (be careful
not to expose the chains to dirt or debris).
10. Remove the motor and the gear box and replace as an assembly.
NOTE: When installing the vertical lift motor tighten the hex bolt until there
is 1/8 to 3/16-inch slack in both horizontal chains.