TM 10-4610-240-24
TM 08580C-24/2
TO 40W4-13-22
3-35.
HOUSING (CHEMICAL FEED PUMP) MAINTENANCE - continued.
INSPECTION
a.
Inspect treaded components for stripped or damaged threads.
b.
Inspect housing (5) for cracks, corrosion, and stripped threads.
c.
Inspect bearings (20, 24, 28, 52, and 56) for cracked, damaged, or missing seals.
d
Inspect cams (18, 25, 50, and 57) for deep scratches, nicks, and corrosion.
e
Inspect worm gear (38) for cracked, damaged or missing teeth.
f
Inspect for bent or cracked mainshaft (40).
g
Inspect spring (11) for cracked or broken coils. Overall spring length should be 2 00 inches.
h
Inspect bearing holder (12) for cracks.
i.
Inspect shaft (9) for cracks and stripped threads.
REPAIR
Replace defective components.
ASSEMBLY
a
Install key (39) and worm gear (38) on mainshaft (40).
b.
Install washer (37), o-ring (36), sleeve (35) and bearing holder (34) on mainshaft (40) Install o-ring (33) on
bearing holder.
c.
Install washer (59), key (58) and cam (57).
d
Install bearing (56) and washer (55).
e.
Install sleeve (54), washer (53), and bearing (52).
f
Install key (51) and cam (50) on mainshaft (40).
g
Install shim (49), bearing (48), snap ring (47), and shim (46).
h.
Install washer (41), o-ring (42), sleeve (43) and bearing holder (44). Install o-ring (45) on bearing holder.
i.
Install washer (17), key (19), and cam (18).
j.
Install bearing (20) and washer (21).
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