TM 5-4310-368-14
Table 4-2. Troubleshooting for Organizational Maintenance Level (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
11. LOW 1st STAGE PRESSURE
Step 1. Check to see if 1st stage pressure gage is defective.
Notify Direct Support Maintenance.
Step 2. Check to see if 1st stage safety valve is defective.
Notify Direct Support Maintenance.
12. LOW 2nd STAGE PRESSURE
Step 1.
Check to see if 2nd stage pressure gage is defective.
Notify Direct Support Maintenance.
Step 2.
Check to see if 2nd stage safety valve is defective.
Notify Direct Support Maintenance
Step 3.
Check to see if condensate drain solenoid valve is defective.
Replace (page 4-54).
13. LOW 3rd STAGE PRESSURE
Step 1.
Check to see if 3rd stage pressure gage is defective.
Notify Direct Support Maintenance.
Step 2.
Check to see if 3rd stage safety valve is defective.
Notify Direct Support Maintenance.
14. LOW 4th STAGE PRESSURE
Step 1. Check to see if 4th stage pressure gage is defective.
Notify Direct Support Maintenance.
Step 2. Check to see if 4th stage safety valve is defective.
Notify Direct Support Maintenance.
Tighten/repair (page 4-56).
Step 4. Check to see if priority valve is defective.
Replace (page 4-51).
15. RECEIVER PRESSURE WILL NOT RISE
Step 1.
Check to see if receiver safety valve is defective.
Notify Direct Support Maintenance.
Step 2.
Check to see if receiver safety rupture disc is broken.
Notify Direct Support Maintenance.
Step 3.
Check to see if automatic unloader solenoid valve is defective.
Replace (page 4-54).
Step 4.
Check to see if automatic unloader valve is defective.
Replace (page 4-54).
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