HALE AP, Technical Manual

Page: 47 / 177

35
In freezing weather, drain the pump as follows.
A. Open discharge and suction valves, remove suction tube caps and discharge
valve caps.
B. Open volute drain cocks and drain valves.
C. After pump is completely drained, replace all caps and close all valves.
4.3.2 Contaminated Water
After pumping salt water, contaminated water or foam solution, or if water containing sand or
other foreign matter has been used, connect the pump to a fresh water hydrant or other source
of fresh clean fresh water and flush the contaminants out of the pump.
4.4.
Booster Pump Preventive Maintenance Procedures
Perform the procedures provided in the following subparagraphs on the schedule indicated by
each subparagraph title. An additional level of subparagraphs provides separation when multiple
procedures apply to the same periodicity.
4.4.1
After Each Use (Flush Pump)
A. Connect apparatus to a fresh, clean, high quality water source.
NOTE
Do NOT perform Step G (on page 20) of the Repair Verification Operations.
B. Perform Repair Verification Operations (see paragraph 3.1 on page 18) and
flush pump for a minimum of five (5) minutes.
C. Inspect suction hose and rubber washers as well as washers in suction tube
caps.
Remove any foreign matter from hose(s) and coupling(s). 1.
Replace all worn, damaged, or dry rotted washer(s). 2.
D. Verify all discharge valves, drain valves and drain cocks are closed.
E. Tighten suction caps.
4.4.2 Leakage Checks
A. Inspect the following:
Suction hose 1.
Rubber washers 2.
Suction tube cap washers 3.
Suction hose adapters 4.
Suction strainer(s) 5.
B. Remove any foreign matter from hose(s) and coupling(s).
C. Replace all worn or damaged washer(s) and lubricate as required.
D. Verify all discharge and drain valves are closed.
E. Tighten suction caps.