CHAPTER 3. OPERATOR MAINTENANCE INSTRUCTIONS
SECTION I. LUBRICATION INSTRUCTIONS.
LUBRICATION. Lubrication instructions for the ROWPU are given in the tube order LO 10-4610-232-12. The instructions
contained in the lube order must be followed.
SECTION II. TROUBLESHOOTING PROCEDURES.
GENERAL. This section covers the Troubleshooting Procedures and are for the most frequent problems encountered in
operation of the ROWPU.
Use of Table. Table 3-1 lists common malfunctions during operation or maintenance of the ROWPU or its parts. Tests,
inspections, and corrective actions should be made or taken in the order listed.
Limitation. This manual cannot list all the problems that may occur, or all tests, inspections, and corrective actions. If a
problem is not listed, or is not corrected after corrective actions are taken, notify unit maintenance.
Table 3-1. Operator Troubleshooting Guide.
TEST OR INSPECTION
RAW WATER PUMP.
1. Raw water pump won't start with OPERATION MODE switch in FILTER NORMAL position and FILTER NORMAL light on.
Check RAW WATER PUMP circuit breaker.
Check RAW WATER PUMP STARTER RESET button.
Check m ain 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.
Check RAW WATER GROUND FAULT RESET.
Make sure the circuit breaker for the raw water pump is turned off. Failure to do so could
result in electrocution.
Check raw water power cables and connections.
Tighten if loose. Clean and dry, if dirty or wet.
Notify unit maintenance if damaged.
Change 6 3-1