5. Removal and Replacement of Major Components and Modules
5-69
X. PUMP MOTOR (Reference Drawing: 403-00107)
Removal
1. Refer to Step A Removal, 1 – 7, to remove the Instrument Cover.
2. Unplug Maxon Cables, JP 9 (Ribbon cable) and JP1 (red & black
cable) from the Daughter PCB.
3. Remove 1X flat head Phillips screw from Roller Pump Assembly.
4. Remove Roller Pump Assembly by pulling outward, off the Pump
Shaft Adapter.
5. Remove 4X set screws & Pump Shaft Adapter.
6. Remove 4X flat head Phillips screws attaching Pump Motor to
Support Housing.
7. Remove Motor Pump Spacer & Pump Motor.
Installation
1. Slide Motor Pump Spacer over Pump Motor and attach to Support
Housing with 4X flat head Phillips screws.
2. Slide Pump Shaft Adapter over Pump Motor Shaft, use a 16 AWG
wire as a tool to gauge the space between the Pump Motor Shaft
and Support Housing, then secure with 4X set screws.
3. Reinstall Roller Pump Assembly and secure with 1X flat head
Phillips screw.
4. Reattach Maxon Cables, JP9 and JP1, to the Daughter PCB.
5. Refer to Step A Installation, 1 – 5, to reinstall the Instrument
Cover.
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