TM 55-1930-209-14&P4
4-7.1.5.2 Repair
a.
Removal. Remove sump pump from sump in drip pan according to the following procedure:
WARNING
Make sure chlorination unit control cabinet is electrically dead before starting removal.
(1)
Make sure power panel 1 circuit breaker 9P5 is open (OFF). Redtag circuit breaker with 'WARNING -DO
NOT ACTIVATE. REPAIRS BEING MADE."
(2)
Turn chlorination unit control cabinet function switch OFF.
(3)
Position chlorination system valve CU5 to C (CLOSE).
(4)
Tag and disconnect electrical wiring to motor.
(5)
Disconnect piping from pump.
(6)
Remove mounting bolts and remove pump assembly.
b.
Repair and test. Repair motor by tightening loose connections, replacing damaged terminals, or replacing wiring.
Test motors for continuity. Check rpm.
c.
Reinstallation of pump assembly.
(1)
Reinstall pump assembly and tighten mounting bolts.
(2)
Connect piping to pump.
(3)
Connect electrical wiring to motor as tagged.
(4)
Energize chlorination unit control cabinet by closing power panel 1 circuit breaker 9P5. Remove red tag.
(5)
Position chlorination system valve CU5 to A (OPEN) to fill up sump or fill sump with water.
(6)
Energize pump motor by turning function switch on chlorination unit control cabinet (Figure 3-4) to AUTO.
Verify that pump empties sump.
(7)
Record completion of repair in logbook.
4-7.1.5.3 Replacement
a.
Removal. Remove sump pump assembly as indicated in step a in paragraph 4-7.1.5.2.
b.
Installation. Install sump pump assembly as indicated in step c in paragraph 4-7.1.5.2.
4-7.1.6 Sump pump switch
4-7.1.6.1 Cleaning and Inspection
a.
Wipe clean exterior of sump pump switch located near forward side of control cabinet with clean rag.
b.
Visually inspect for indications of bums, corrosion, or loose connections. Tighten loose connections. Replace
damaged switch.
4-7.1.6.2 Replacement
a.
Removal.
WARNING
Make sure chlorination unit control cabinet Is electrically dead before starting removal.
(1)
Make sure power panel 1 circuit breaker 9P5 is open (OFF). Redtag circuit breaker with: WARNING - DO
NOT ACTIVATE. REPAIRS BEING MADE."
(2)
Turn chlorination unit control cabinet function switch OFF.
4-9