TM 10-4610-229-10
Table 3-1. Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. LOW PRESSURE AT GAGE PI-3 ON PRETREATMENT ASSEMBLY (CONT)
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.
4. LOW PRESSURE AT GAGE PI-4 ON HIGH PRESSURE PUMP.
Step 1. Check high pressure pump engine speed setting.
If speed setting is incorrect, set correctly (para 2-5i),
Step 2. 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 3. Check boost pump engine speed setting.
If speed setting is incorrect, set correctly (para 2-5f).
Step 4. 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.
5. LOW PRESSURE AT GAGE PI-5 ON REVERSE OSMOSIS BLOCK ASSEMBLY.
Step 1. Check for open sample valves.
Close all open sample valves (para 2-1).
3-4
