TM 55-1930-209-14&P-4
(3)
Tag and disconnect leads to switch.
(4)
Remove mounting hardware and remove switch.
b.
Installation.
(1)
Install switch and tighten mounting hardware.
(2)
Connect electrical wiring to switch as tagged.
(3)
Energize chlorination unit control cabinet by closing power panel 1 circuit breaker 9P5. Remove red tag.
(4)
Fill sump with water.
(5)
Energize pump motor by turning function switch on chlorination unit control cabinet (Figure 3-4)to AUTO.
Verify that pump empties sump.
(6)
Record completion of repair in logbook.
4-7.1.7 Drip pan and sump. Maintenance of the drip pan and sump is limited to cleaning and inspection. Visually
inspect drip pan and sump pump for excess fluid, corrosion, chipped paint, and damage. Remove liquid by using bilge
system foot valve and then wipe clean. Repair damage. Remove corrosion and touch up paint according to TB 43-01
44.
4-7.1.8 Metering pump
4-7.1.8.1 Cleaning and inspection
a.
Pump.
(1)
Clean exterior of pump with brush and hot soapy water or with an approved solvent. Rinse thoroughly and
dry with filtered compressed air.
(2)
Visually check pump for evidence of cracks, corrosion, or damage. Remove corrosion. Touch up paint
according to TB 43-0144.
b.
Motor.
(1)
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 brush.
(2)
Visually inspect for burned, bent, loose connections, or other obvious damage. Tighten loose connections,
replace damaged terminals, and replace damaged wiring. Touch up paint according to TB 43-0144.
4-7.1.8.2 Repair
a.
Removal. Remove metering from mounting according to the following procedures:
WARNING
Make sure metering pump motor controller is electrically dead before starting repairs.
(1)
Make sure power panel 1 circuit breaker 1 OP is open (OFF). Redtag circuit breaker with: -WARNING -
DO NOT ACTIVATE. REPAIRS BEING MADE."
(2)
Turn metering pump motor controller AUTO/OFF/MAN to OFF.
(3)
Close chlorination system valves CU13 and CU14.
(4)
Tag and disconnect electrical wiring.
(5)
Place container under piping and disconnect piping from pump.
(6)
Remove mounting bolts and remove pump assembly.
b.
Disassembly and repair of metering pump. Disassemble and repair metering pump according to page 21,
Section 5, in M. Roy Controlled Volume Pump Instruction Manual in Appendix B. Use repair parts listed in TM
55-1930-209-14&P-1 8.
4-10
