Piston Pump Head Clippard Valves - Fluke Calibration 4322-SYS-NAVAIR Service Manual

4322
Service Manual

Piston Pump Head Clippard Valves

Use the following instructions and reference Figure 4-16 to replace the fine or coarse
Clippard valves.
1. Remove the pump bracket assembly from the chassis. See "Pump Bracket" on page
2. Position the complete pump head assembly so that the solenoid () is upright. This
3. Use a pair of soft jaw channellock pliers to loosen (counterclockwise) the knurled
4. Put the new solenoid assembly on the pump head ().
5. Use a pair of soft jaw channellock pliers to tighten (clockwise) the solenoid retaining
6. Reinstall the pump bracket assembly. See "Pump Bracket" on page 4-16.
4-32
4-16
is to prevent the internal items from falling out.
retaining ring (). Once loose, turn it by hand to back it off from the threads.
Remove the solenoid body () from the pump head ().
Since the solenoid is upright, when the Clippard valve is removed, the
shim, seat, and o-ring should stay in the pump head. Make sure these
items are remain in the pump head.
ring ().
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Figure 4-16. Pump Head and Piston Removal
Note
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