TM 10-4630-206-12&P
SEWAGE EJECTION PUMP
TROUBLESHOOTING PROCEDURES
GENERAL
This chapter provides operator maintenance information and includes troubleshooting and general
maintenance procedures. Refer to appropriate TMs for associated equipment maintenance instructions
and item-specific troubleshooting instructions (See WP 0023 00 for References). Troubleshooting
instructions covered in this section are unique to the SEP.
MALFUNCTION SYMPTOM INDEX
The malfunction symptom index lists common malfunctions that may occur during SEP inspection and
operation. Find the malfunction to be eliminated and go to the indicated troubleshooting paragraph that
follows. The index cannot list all malfunctions that may occur, all tests or inspections needed to find the
fault, nor all actions required to correct the fault. If the existing malfunction is not listed, or cannot be
corrected through this troubleshooting index, notify unit maintenance.
Malfunction
Troubleshooting Table
Pump does not start
1
Tank does not evacuate
2
Water leaks
3
TROUBLESHOOTING PROCEDURES
The troubleshooting procedures contain tables listing the malfunctions, tests or inspections, and
corrective action required to return the SEP to normal operation. Perform the steps in the order they
appear in the tables. Each procedure is headed by an initial setup. This setup outlines what is needed
as well as certain conditions that must be met before starting the task. DO NOT START THE TASK
UNTIL:
You understand the task.
You understand what you are to do.
You understand what is needed to do the work.
You have the things you need.
Table 1. Pump Troubleshooting Procedures
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Manually activate pump by lifting float
Step 1. Check that tank is at
switch (9-1-0150-1 and 9-1-0150-2).
1. Pump does not start.
80% capacity.
Manually activate pump by switching
selector to HAND (9-1-0527).
Step 2. Check that all external
Establish or re-establish power
power connections have been
connections. Consult with facilities
made.
electricians if necessary.
Step 3. Check that pump circuit
Reset pump or main circuit breaker by
breakers are ON.
turning OFF, then ON.
If condition persists, notify unit
maintenance.
0007 00-1
