TM 10-4330-232-12&P
Table 4-2. Unit Troubleshooting Procedures (cont).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. SUDDEN DECREASE IN PRESSURE DIFFERENTIAL
STEP 1. Check for damaged differential pressure gage lines.
Replace damaged lines (para. 4-21).
STEP 2. Check for damaged canisters.
Replace damaged canisters (para 4-17).
STEP 3. Check for damaged differential pressure gage.
Replace damaged lines (para. 4-21).
STEP 4. Check for damaged filter elements.
Replace damaged filters (para 4-18).
SECTION V. UNIT MAINTENANCE INSTRUCTIONS
Paragraph
Page
4-12
Cover ..........................................................................................................................
4-8
4-13
Tank............................................................................................................................
4-10
4-14
Frame .........................................................................................................................
4-12
4-15
Manual Vent Valve......................................................................................................
4-14
4-16
Coupling Gasket .........................................................................................................
4-16
4-17
Canisters.....................................................................................................................
4-18
4-18
Elements.....................................................................................................................
4-20
4-19
Valves, Lines, and Fittings ..........................................................................................
4-22
4-20
Sight Gage .................................................................................................................
4-27
4-21
Differential Pressure Gage .........................................................................................
4-28
4-22
Grounding Rod Assembly............................................................................................
4-30
4-23
Water Detector Kit .....................................................................................................
4-34
Change 1
4-7