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Table 4-2. Troubleshooting - Continued
MALFUNCTION
TEST OR
INSPECTION
CORRECTIVE ACTION
2. Vent Assembly leaks
(cont'd)
- Check coupling for breaks or cracks.
- Check for loose or missing hexagon
head bolts.
- Remove and replace coupling (Ref . para. 4-9).
- Tighten or replace bolts.
3. Pressure Relief
Valve remains open
- Check relief valve for debris in tube or
on pivot pin.
- Clean relief valve (Ref. para. 4-9).
4. Hose Assembly
Coupling leaks
- Check female coupling gaskets for
damage or wear.
- Check couplings on hose for dirt,
damage, or wear.
- Remove and replace gaskets
- Remove dirt or any foreign objects inside
couplings. If leak continues, replace hose
assembly.
5. Filler
Assembly leaks
- Check for loose or missing hexagon
head bolts.
- Tighten or replace bolts as necessary
4-5
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