OEC 9800C-Arm, Service Manual, Page: 379 / 490

Replacement
3. Remove Front cover and Right Side cover.
4. Using great care to avoid electric shock, make certain there is no residual charge on high energy electrolytic capacitors. If
you have not already done so, use a VOM to check voltage on capacitor bus bars. If any charge is present, connect a 300k,
half-watt resistor across capacitor bus bars and let capacitors discharge.
5. Loosen coupler that connects steering handle and shaft to C-Arm steering mechanism. You may need to rotate steering
handle to gain access to screws in coupler.
6. Remove and retain two screws from bottom front corners of rear cover.
7. Snap open certification document container at top of rear cover, and pull certification documents forward to expose three rear
cover mounting screws.
8. Remove and retain rear cover mounting screws.
9. Lift rear cover up and off C-Arm.
Rear Cover Details
9
Service Periodic Maintenance Contents Schematics Illustrated Parts Installation