TM 10-4610-229-10
Table 3-1. Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. LOW PRESSURE AT GAGE PI-5 ON REVERSE OSMOSIS BLOCK ASSEMBLY.
Step 2. Check valve V-7 for correct setting.
If valve setting is incorrect, set correctly (para 2-4e).
Step 3. Check valves V-1, V-2, V-3, and V-4 for correct setting.
If valve settings are incorrect, set correctly (para 2-4e).
Step 4. Check boost pump engine speed setting.
If speed setting is incorrect, set correctly (para 2-5f).
Step 5. Check raw water pump engine speed setting.
Set correctly (para 2-5e). If problem not corrected, shut down system (para 2-8) and
notify your supervisor.
6. LOW PRESSURE AT GAGE PI-6 ON RAW WATER PUMP OR CAVITATION AT RAW WATER PUMP.
CAUTION
If correcting engine speed does not correct problem, shut down engine at once to prevent damage to
pump.
Step 1. Check suction hose assembly for damage.
If suction hose assembly is damaged, notify your supervisor.
Step 2. Check raw water pump engine speed setting.
Set correctly (para 2-5e). If problem not corrected, shut down system (para 2-8) and
notify your supervisor.
3-5
