Make sure cooling pump motor controller is electrically dead before starting repair
by opening (OFF) circuit breaker 1P5 on power panel. Redtag circuit breaker with:
"WARNING - DO NOT ACTIVATE. REPAIRS BEING MADE."
Tag and disconnect wiring with connection information.
Remove attaching hardware and remove motor controller.
Install motor controller using attaching hardware
Close (ON) circuit breaker 1P5 on power panel
Check operationally that motor controller operates normally.
4-7.2.8 Cooling pump
4-220.127.116.11 Cleaning and Inspection
Clean exterior of pump with brush and hot soapy water or with an approved solvent. Rinse thoroughly and dry
with filtered compressed air.
Visually check pump for evidence of cracks, corrosion, or damage. Remove corrosion. Touch up
paint according to TB 43-0144.
Clean motor exterior using filtered compressed air or vacuum. Wipe off using rag moistened with
an approved solvent. Clean terminals and wipe wires free with lint-free cloth or electrician's
Visually inspect for burned, bent, loose, corroded, or otherwise damaged terminals. Inspect
wiring for breaks, loose connections, or other obvious damage. Tighten loose connections,
replace damaged terminals, and replace damaged wiring. Touch up paint according to
Removal. Remove cooling pump from mounting according to the following procedures:
Make sure cooling pump motor Is electrically dead before starting repairs. Redtag
power panel circuit breaker 1P5 and controller main switch with: "WARNING - DO
NOT ACTIVATE. REPAIRS BEING MADE."
Open power panel 1 circuit breaker 1P5 and open controller main switch (Figure 3-1).
Close cooling pump supply valve SW27 and discharge valve SW47. On Barges 2 and 3, also
close valve SW28.
Tag and disconnect electrical wiring.
Disconnect all piping to pump assembly and allow water to drain to bilge.
Remove mounting bolts and remove pump assembly