TM 10-4610-232-12
Table 3-1. Operator Troubleshooting Guide (Continued).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. No raw water discharge flow through separators.
Step 1.
Check raw water pump.
Disconnect inlet hoses to separators and start raw water pump.
a. If no flow from raw water pump, refer to raw water pump troubleshooting.
b. Notify unit maintenance.
NOTE
The ROWPU may be operated without separators, but the in-line strainer will plug rapidly,
especially when operating on beach sites with a lot of sand or on sites with a lot of organic
weeds and debris. Site improvement per FM10-52 will help to ease the loading on the In-line
strainer. Do not overstress the ROWPU motors with frequent stops and starts due to In-line
basket strainer cleanings.
4. Water leaks through separator waste water hoses when ROWPU is shut down.
Step 1.
Notify unit maintenance.
FEED WATER BOOSTER PUMP.
1. Booster pump won't start with OPERATION MODE switch in FILTER NORMAL position and FILTER NORMAL light on.
Step 1.
Check BOOSTER PUMP circuit breaker.
Push on.
Step 2.
Check BOOSTER PUMP RESET switch.
Push in.
Step 3.
Check main control panel set-up.
SYSTEM MODE switch ON.
FILTER NORMAL light on.
Press SYSTEM RESET pushbutton.
Air system regulating gage should read 85 to 95 psig (586 to 655 kPa).
Press INITIATE pushbutton.
Press RAW WATER PUMP START pushbutton.
Press BOOSTER PUMP START pushbutton.
Step 4.
Check raw water pump.
Start pump.
Step 5.
Check FEED PRESSURE LOW alarm light on.
Push SYSTEM RESET. If light does not go out:
a. Check valve positions (refer to para. 2-19).
b. Refer to raw water pump troubleshooting malfunction no. 14.
Step 6.
Notify unit maintenance.
2. Booster pump won; start with OPERATION MODE switch in SYSTEM CLEAN position and SYSTEM CLEAN light on.
Step 1.
Check BOOSTER PUMP circuit breaker.
Push on.
Step 2.
Check BOOSTER PUMP RESET.
Push in.
Step 3.
Check CLEAN/FLUSH TANK LOW LEVEL alarm light.
Push SYSTEM RESET if light does not go out:
a. Fill clean flush tank.
b. Notify unit maintenance.
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