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Figure 7-5 Solenoid Valve (P/N 02250125-805)
*Repair Kit P/N 02250125-840
**Replacement Coil P/N 02250125-854
When metal retaining clip disengages it will
spring upward.
2. For normally closed valves, unscrew bonnet of
plunger tube assembly and remove plunger, spring
and body gasket. In some valves the plunger tube
assembly is permanently staked into plunger tube
and cover assembly.
3. Remove cover bolts, cover and plunger-
diaphragm assembly.
avoid distorting or stretching the hanger spring
between the plunger and diaphragm assembly.
(Figure
7-5).
Care should be taken to
4. Remove cover bolts, cover, (or plunger tube &
cover assembly) and all internal parts.
5. All parts are now accessible for cleaning or
replacement.
Replace worn or damaged parts.
Use all parts for best results.
6. Inspect valve body seat for scratches, nicks,
dents or other blemishes. Replace if damaged.
7. Reassemble in reverse order of disassembly,
paying careful attention to exploded view provided.
Apply 175±25 inch pounds of torque to the bonnet
and 55-60 inch pounds of torque to the cover screw
in a crisscross pattern. Lubricate all gaskets with
Dow Corning® DC 200 oil, or equivalent light
machine oil.
7.9.5 SUMP BREATHER FILTER MAINTENANCE
Refer to
Figure
7-6. This filter (P/N 02250124-860)
prevents sump pressure build-up and traps oil
aerosol emanating from the compressor stages and
gear box. It uses a fine, replaceable element P/N
02250118-258, which may be accessed as follows:
INSPECTION/REPLACEMENT OF ELEMENT
1. Unscrew filter from vent line.
2. Inspect or replace the element with the new filter.
REPLACEMENT OF ELEMENT
1. Unscrew filter from vent line.
Figure 7-6 Sump Breather Filter
(P/N 02250124-860)
*Replacement Element P/N 02250118-258
Section 7
MAINTENANCE
35
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