TM 5-4310-379-14
5-25. Power Take-Off Assembly (Cont).
WARNING
Dry cleaning solvent PD-680 used to clean parts is potentially dangerous to personnel and
property. Avoid repeated and prolonged skin contact. Do not use near open flame or excessive
heat. Flash point of solvent is 100-138°F (38-60°C).
(10)
Clean all parts with dry cleaning solvent, and dry thoroughly.
(11)
Inspect yoke (11) and replace if cracked, worn, or otherwise damaged.
(12)
Inspect shaft (14) and replace if bent, worn or otherwise damaged.
NOTE
Bearings can be checked while still on output shaft. Use a split type bearing remover to remove
bearings from output shaft.
(13)
Inspect bearings (21) and (22) and bearing cups (19) and (23). Coat bearings with light oil, and while
holding inner race, rotate the bearing and outer race slowly. Replace bearing if rough or sticking spots are
present.
(14)
Inspect output shaft (20) and replace if bent, worn, threads are stripped, keyway ground is worn, or shaft
(20) is otherwise damaged.
(15)
Inspect pilot bearing (1) and replace if worn, scored or otherwise damaged.
(16)
Install bearings (21) and (22) as follows:
(a)
Lubricate inside diameter of inner race of bearing (21).
(b)
Start bearing (21) on output shaft (20) with wide side ofbearing (21) facing shoulder on output shaft
(20).
CAUTION
The ring must bear up against the inner race of bearing to prevent damage to bearing .
(c)
Place a .250 in. (.655 cm) thick steel ring over end of shaft and rest is on inner bearing race of
bearing (21).
(d)
Press output shaft (20) onto bearing (21) until inner race is seated against shoulder on output shaft
(20).
(e)
Repeat steps (a) through (d) for remaining bearings.
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