TM 10-4610-240-24
TM 0850C-24/2
TO 40W4-13-22
2-15.
BACKWASH PUMP ASSEMBLY MAINTENANCE.
This task consists of:
a.
Removal
b.
Repair
c.
Installation
INITIAL SET-UP:
Tools Required
General Mechanics Tool Kit (Appendix B, Section III, Item 4)
Vice (Appendix B, Section III, Item 3)
Pipe Wrench (Appendix B, Section III, Item 3)
Material/Parts Required
Tape, Anti-seize (Appendix C, Section II, Item 30)
Detergent (Appendix C, Section II, Item 10)
Rags, Wiping (Appendix C, Section II, Item 23)
Gaskets (2) - 095X0200COBUNA
Gasket- 13221E8287-1
Gasket- 13221E8287-2
Lockwasher (8) - MS35338-145
Equipment Condition
Reference
Inlet/outlet hoses removed (TM 10-4610-240-10 ).
Backwash pump cable assembly disconnected from ROWPU (TM 10-4610-240-10).
General Safety Instructions
WARNING
Lifting heavy/difficult to handle equipment can cause serious injury.
REMOVAL
a
Open drain cock (15) and remove plugs (9 and 4).
b
Tip backwash pump assembly on end and allow water to drain.
REPAIR
a.
Disassembly.
(1)
Unwind cable assembly (22) from frame (19).
(2)
Remove screw (18), flat washer (17), lanyard from plug (4), and nut (16) from left side of frame (19).
(3)
Remove nut (16), screw (18), flat washer (17), and lanyard from plug (9) from right side of frame (19).
(4)
Remove four nuts (34), lockwashers (33), flat washer (32), screws (27), and flat washers (28).
(5)
Remove flange (30), gasket (31), and attached parts from pump (35).
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