TM 55-1930-209-14& P-4
Make sure power panel 1 circuit breaker 9P5 is open (OFF). Redtag circuit breakers with: 'WARNING -
DO NOT ACTIVATE. REPAIRS BEING MADE."
Turn chlorination unit control cabinet function switch to OFF.
Close chlorination system valve CU6, and position valves CU5 and CU7 to C (close).
Tag and disconnect electrical wiring.
Place container under piping and disconnect piping from pump.
Remove mounting bolts and remove brine pump assembly.
Disassembly and repair of brine pump. Disassemble and repair brine pump according to page 21, Section 5, in M.
Roy Controlled Volume Pump Instruction Manual in Appendix B. Use repair parts listed in TM 55-1930-20914&P-
18. Retouch or paint in accordance with TB 43-0144.
Test and repair of motor. Repair motor by tightening loose connections, replacing damaged terminals, or replacing
damaged wiring. Test motor continuity. Check voltage, resistance, rpm, etc., indicated on label plate.
Reinstallation of pump assembly.
Reinstall pump assembly and tighten mounting bolts.
Connect all piping to pump.
Connect electrical wiring as tagged.
Energize chlorination unit control cabinet by closing power panel 1 circuit breaker 9P5. Remove red tags.
Open chlorination valve CU6.
Position chlorination valve CU5 to A.
Position valve CU7 to A.
Prime repaired brine pump (see page 16, paragraph 3.3 of the M. Roy Controlled Volume Pump Instruction
Manual in Appendix B).
Energize pump motor by turning function switch on control cabinet to AUTO. Verify that pump operates
Record completion of this repair in maintenance logbook.
Removal. Remove brine pump assembly as indicated in step a in paragraph 4-188.8.131.52.
Installation. Install brine pump assembly as indicated in step d in paragraph 4-184.108.40.206.
4-7.1.3 Chlorination unit circulation pump assembly
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.
Clean motor exterior using filtered compressed air or vacuum. Wipe off using rag moistened with an
approved solvent. Clean terminals and wipe wires with lint-free cloth or electrician's brush.