TM 55-1930-209-14&P-5
(6) Depress and check START switch (S2) continuity across points S2P1 and S2P2 If check indicates an
open circuit, replace switch. If check indicates a closed circuit, go to step (7)
(7) Depress and check STOP switch (S3) continuity across points S3P1 and S3P2 If check indicates an
open circuit, replace switch If check indicates a closed circuit, go to step (8)
(8) Depress and check remote station STOP button (S4) continuity across points S4P1 and S4P2. If
check indicates an open circuit, replace switch If check indicates a closed circuit, go to step (9)
(9) Depress and check remote station START button (S5) continuity across points S5P 1 and S5P2 If
check indicates an open circuit, replace switch If check Indicates a closed circuit, switch is good.
4-7.2.14.3. Replacement
a.
Removal
(1) Make sure discharge pump motor controller for pump being replaced is electrically dead by opening
(OFF) switchboard circuit breaker P9 for pump 1 or P15 for pump 2. Redtag circuit breaker with
WARNING - DO NOT ACTIVATE - REPAIRS BEING MADE
(2) Disconnect and tag wiring with connection Information.
(3) Remove attaching hardware and remove motor controller
b.
Installation
(1) Install motor controller using attaching hardware
(2) Connect wiring
(3) Close (ON) switchboard circuit breaker P9 for pump 1 or P15 for pump 2
(4) Check operationally that motor controller operates normally
4-7.2.15. Discharge pump remote switch
WARNING
Make sure shore discharge motor controller is electrically dead before starting repair or removal. Redtag motor
controller with: WARNING - DO NOT ACTIVATE - REPAIRS BEING MADE.
4-7.2.15.1. Repair and test
a.
Make sure discharge pump motor controller IS electrically dead
(1) Open (OFF) switchboard circuit breaker P9 for pump 1 or P15 for pump 2
(2) On motor controller for pump remote switch being repaired, open main switch and redtag controller
WARNING - DO NOT ACTIVATE - REPAIRS BEING MADE.
b.
Visually inspect for loose connections and corrosion Clean corrosion and tighten loose connections
c.
Check switch continuity as given In step c(8) and c(9) In paragraph 4-7.2.14 2
4-7.2.15.2. Replacement
a.
Removal
(1) Perform steps a in paragraph 4-7.2.15 1 if necessary.
(2) Disconnect and tag wires
(3) Remove switch
4-19