Disassembly and repair of cooling pump. Disassemble and repair cooling pump according to Aurora
Pumps Instruction Manual In Appendix B. Use repair parts listed in Appendix G of TM 55-1930-209-14 &
Reinstallation of cooling pump. Reinstall cooling pump according to following procedures:
Reinstall pump assembly and tighten mounting bolts.
Connect all piping.
Connect electrical wiring.
Energize cooling pump motor controller by closing power panel 1 circuit breaker 1P5. Close main
switch on motor controller. Remove red tags.
Open valves SW27, SW28 (Barges 2 and 3 only), and SW47. Make sure valve SW3 is open and
seawater strainer 3 is not clogged.
Momentarily start cooling pump and listen for pump moving water. If pump is moving water,
repair is complete. Make appropriate entry in maintenance records. If pump is not moving water
within 30 seconds, turn off pump and troubleshoot.
Close seawater valves SW27 and SW47. On Barges 2 and 3, also close valve SW28.
Tag and disconnect wiring from motor.
Disconnect piping from pump.
Remove hardware securing pump assembly to foundation.
Remove pump assembly.
Installation. Install pump assembly in reverse order of removal in step a.
4-7.2.9 Pressure regulator (chlorination unit seawater supply line)
4-126.96.36.199 Cleaning and inspection
Wipe clean exterior of pressure regulator with rag dampened with hot soapy water or an approved
solvent. Wipe dry with clean cloth.
Visually inspect for damage or leaks. Correct leak by tightening connection. Replace damaged regulator.
If chlorination unit valve CU11 is in position A, turn to position C. If chlorination unit valve CU11
is in position B, leave in that position.
Close seawater valves SW47 and SW48.
Remove pressure regulator.
Installation. Install pressure regulator in reverse order of removal in step a.
4-7.2.10 Pressure gauge (chlorination unit seawater supply line)