TM 10-4610-215-24
TM 08580A-24/2
c. Backwash Pump Removal From Frame. (Figure 2-40)
(1) If motor is to be replaced, refer to paragraph 2-41 b. If not, unwrap power cable and move bulk of
power cable out of the way to remove backwash pump from frame (figure 2-40).
(2) Remove two self-locking nuts (1), two flat washers (2), and two cap chains (3) from screws (4).
(3) Remove two screws (4) from frame (22).
NOTE
If strainer (6) is mounted on backwash pump frame (22), perform
step (4), if mounted on backwash pump (21), perform step (5).
(4) Remove nuts (23), lockwasher (24), washers (25), and bolt (26) attaching strainer (6) to frame (22).
(5) Remove two packing straps (5) and strainer (6) from backwash pump (21).
(6) Remove four bolts (19) and four lockwashers (20) from backwash pump (21) and frame (22).
NOTE
If necessary to remove suction flange (11) and discharge flange
(17), perform steps (7) to (12).
(7) Remove four nuts (7), four lockwashers (8), and four flat washers (9) from bolts (10).
(8) Remove four bolts (10) and four flat washers (9) from suction flange assembly (11).
(9) Remove suction flange assembly (11) and gasket (12) from pump (21).
(10) Remove four nuts (13), four lockwashers (14), and four flat washers (15) from bolts (16).
(11 ) Remove four bolts (16) and four flat washers (15) from backwash pump (21) and discharge flange
assembly (17).
(12) Remove discharge flange assembly (17) and gasket (18) from backwash pump (21).
WARNING
Weight of backwash pump is 195 pounds (88.5 kg). Attempting
to move it without proper equipment could cause serious injury.
Lift motor with equipment rated at one ton (0.91 tonne) or
greater.
(13) Using proper equipment, remove backwash pump (21) from frame (22).
2-66
