TM 5-4320-302-14
Table 4-2. Organizational Maintenance Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 5. Make sure that exhaust primer assembly works properly.
Replace defective exhaust valve primer assembly (para 4-18).
Step 6. Inspect check valve assembly for proper operation. Inspect check valve body
assembly for cracks or damaged threads. Check that attaching hardware is tight
and free of corrosion. Inspect check valve assembly for evidence of leakage,
gasket damage, and presence
of outer check valve weight.
Machine screw shall be
tight. All components must
be free of corrosion. When
in closed position, check
valve gasket flapper must
make an airtight seal on
pump outlet. Be sure valve
gasket flapper is free to
open with pump flow.
Replace check valve
assembly (para
4-19).
9. PUMP OUTPUT LOW
Step 1. Check that engine speed is properly adjusted for desired flow and conditions.
Adjust engine speed (para 2-5).
Step 2. See Malfunction 8, steps 1 thru 6.
Step 3. See Malfunction 8, steps 4 and 5.
Step 4. See Malfunction 8, step 6.
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