TM 10-4630-206-12&P
UNIT MAINTENANCE
SEWAGE EJECTION PUMP, LAUNDRY
NSN 4630-01-413-2606
SEWAGE EJECTION PUMP, GENERAL PURPOSE
NSN 4630-01-413-2608
SEWAGE EJECTION PUMP, WASTE WATER EVACUATION
NSN 4630-01-505-3746
FLOAT SWITCH
TEST, REPLACE
INITIAL SETUP
Tools
Personnel Required
Multi-meter (Item 1, WP 0025 00)
Electrician
Tool Kit, General Mechanics Automotive (Item 3, WP 0025 00)
Materials/Parts
Equipment Condition
Float Switch (Item 1, WP 0030 00)
All circuit breakers OFF
Tank empty
All inlet hoses disconnected
TEST
Test Float Switch Operation
WARNING
Ensure the SEP has been thoroughly cleaned with chlorine solution
and rinsed prior to any inspection or service to the interior. Failure
to do so may result in serious injury or death to personnel.
1. Remove tank lid/access panel.
WARNING
Proceed with caution while testing the float switch. Touching a live
wire can cause serious injury or death to personnel.
2. Connect power, and turn circuit breaker ON.
3. Activate the float switch (1) manually by lifting the float switch until pump comes on (9-1-0150-1 and
9-1-0150-2). Turn selector switch to AUTO (9-1-0527).
4. Release the float switch, making sure that it returns to its lowest position.
5. If pump comes ON, but will not shut OFF, replace float switch.
6. If pump will not come on, turn OFF and tag all circuit breakers and terminal board.
0018 00-1
