TM 55-2210-224-34
Table 3-1. INTERMEDIATE DIRECT SUPPORT AND INTERMEDIATE GENERAL SUPPORT
TROUBLESHOOTING (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. AIR PRESSURE BUILDS UP SLOWLY. (cont)
Step 3. Check for partially open cocks.
Fully close all cocks.
Step 4. Check for slight leakage on air compressor unloader valve or compressor-head valve.
Disassemble and clean unloader valve or compressor-head valve (para 4-8).
3. MAIN RESERVOIR AIR PRESSURE NOT PROPERLY CONTROLLED.
Step 1. Check for closed cutout cock in governor pipe.
Open cutout cock in governor pipe.
Step 2. Check for leaking air compressor valves.
Disassemble and lap valves and valve seats (para 4-8).
Step 3. Check for sticking air compressor governor.
Disassemble and clean governor (para 3-44).
Step 4. Check for leaking air compressor unloader pipe.
Repair or replace air compressor unloader pipe (para 4-8).
Step 5. Check for sticking air compressor unloader valves.
Disassemble and clean air compressor unloader valves (para 4-8).
4. EQUALIZING RESERVOIR AIR GAGE INDICATES NO PRESSURE OR A LEAK.
Step 1. Check for leaking equalizing reservoir gage or fittings.
Locate leakage and tighten fittings and/or repair or replace gage (para 3-10).
Step 2. Check for leaking equalizing reservoir gage mounting bracket O-ring.
Locate leakageand tighten or replace mounting bracket O-ring (para 3-10).
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