TM 10-4610-229-10
Table 3-1. Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. LOW PRESSURE AT GAGE PI-2 ON PRETRKATMENT ASSEMBLY.
Step 1. Check for leaks or damage in tubing and connections.
If tubing or connections leak, notify your supervisor.
Step 2. Check MEDIA FILTER OK light.
If light not lit, perform backwash procedure (para 2-6). If backwash does not restore
light operation, notify your supervisor.
Step 3. Check valves V-1, V-2, and V-3 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.
3. LOW PRESSURE AT GAGE PI-3 ON PRETREATMENT ASSEMBLY.
Step 1. Check for leaks or damage in tubing and connections.
If tubing or connections leak, notify your supervisor.
Step 2. Check CARTRIDGE FILTER OK light.
If light not lit, replace cartridge filters (para 3-5). If cartridge filters do not restore
light, notify your supervisor.
Step 3. Check valves V-l, V-2, V-3, and V-4 for correct setting.
If valve settings are incorrect, set correctly (para 2-4e).
3-3
