Pump/motor removal – Bird Technologies 8650B Series User Manual

Page 32

Bird 8650 Series Moduload RF Load Resistor

14. Remove the two 5/16 hex head screws from the load clamp.
15. Remove the upper half of the load clamp from the load.
16. Remove the 16 screws that secure the perimeter of the front panel.
17. Remove the front panel with the load attached.
18. Remove the nuts and lock-washers that secure the load to the front panel.
19. Remove the socket hard cap screws that secure the water chamber to the

load.

20. Remove the water chamber.

Note:

After the water chamber has been removed, the front panel

can be removed from the load.

21. Do one of the following:

If servicing the load, see “Load Resistor Internal Repair” on page 23.

If not servicing the load, replace the water chamber and its mounting
hardware and return the load to the factory of service.

22. Replace the load resistor by careful reversal of the above procedure.

Note:

Be sure to replace the coolant per the coolant section. Check

for leaks, especially at the restored connections. See “Coolant” on page 9.

Pump/Motor Removal

Note:

For removal and replacement of the pump/motor proceed as

follows.

Note:

The back panel of the Moduload housing may have to be

taken off to remove the pump/motor unit.

1. Take off the top panel by removing the 26 screws around its perimeter.
2. Turn all four handles outward and slightly lift up the top panel assembly.
3. Reach under the top panel and press the connector latch of the fan power

cable.

Note:

This will disconnect the small fan-supply plug from its mat-

ing connector seated on top of the radiator block.

4. Unscrew the drain plug located at the bottom center of the rear panel.
5. Allow the coolant to drain.

Note:

Do not replace the drain plug with any substitute plug, use

the plug removed.

6. Detach the three connecting wire leads of the pump power cable from the

three-lug terminal block on the inside of the front panel.

Note:

For reference the color codes of the motor supply wires match

the input wires.

7. Loosen the following:

The hose from the input of the pump.

The hose from the output on the pump.

8. Remove the four 1/4-20 nuts and lockwashers that secure the pump and

mounting bracket to the isolation mounts on the frame.

Note:

Use 9/16 inch wrenches.

9. Move the pump assembly slowly forward while detaching the hoses.