TM 10-4610-241-24
TO 40W4-13-42
2-60.
CHEMICAL FEED PUMP REPLACE - continued.
b.
Removal.
(1)
Loosen setscrews on handles (5) and remove four handles and nuts (6).
(2)
Grasp all four three way valves (44) with hoses attached and pull away from stand (9).
(3)
Remove four screws (7), lockwashers (8) and stand (9).
NOTE
Tagging hoses, noting their connection points will faciliate installation.
(4)
Tag flexible hoses (10 and 11).
(5)
Loosen clamp (12 and 13) and disconnect eight flexible hoses (10 and 11) at liquid heads (45). If
required, remove clamps from hoses.
(6)
Remove four screws (14), lockwashers (15) cover (16), and gasket (17) from conduit box (43).
(7)
Pull two wire sets (18) from conduit box (43).
NOTE
Tagging wires, noting to which set they belong, will facilitate installation.
(8)
Tag and identify wires by set and remove twine (19) and tape (20) from each wire set (18).
(9)
Remove nut (21), lockwasher (22), flat washer (24) and screw (25) from lugs (23) of each wire set (18).
(10)
Remove screw (26) and ground lug (27) from conduit box (43).
(11)
Unscrew nut (30) from adapter (39).
(12)
Carefully pull cable assembly (31) from conduit box (43). As required, remove seal (28), seal ring (29)
and nut (30) from cable assembly.
(13)
Remove four bolts (32), lockwashers (33) and pump assembly (37), with stand (38) attached.
(14)
Separate pump assembly (37) from stand (38), removing four screws (35), nuts (34), and lockwashers
(36).
(15)
As required, remove nut (40) and adapter (39) from conduit box (43) and remove two screws (41) and
seals (42) to remove box from motor.
c.
Repair
Repair of chemical pump at the Unit level consists of replacement of motor (Paragraph 2-62) and repair and
replacement of the liquid head assembly (Paragraph 2-61).
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