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 TM 55-1905-223-24-5
n.
Remove the hex-head capscrew (28), lockwasher (29), and lock (30) which secure the bearing retainer
(31) in position from the PTO housing. Remove the bearing retainer (21) from the PTO housing.
o.
Remove the clutch shaft (34) with attached parts from the PTO housing by carefully tapping on the
output end of the shaft. The forward bearing cup (32) and both roller bearing (36) will remain with the
shaft.
p.
Pull bearing cup (32) from shaft (34).
q.
Use a bearing puller to remove the bearing (36) from the clutch shaft.
r.
Remove the two dust protector caps from the PTO housing and with a long, straight, shank blunt
punch, tap the rear bearing cup (37) from the PTO housing.
s.
Remove the hex-head capscrew (43) that secures the hand operating lever (42) to the operating shaft
(47) and remove the hand lever (42). Set the PTO housing (44) on the bench with the clutch end
facing up.
t.
Remove the two hex-head capscrews (49) which secure the throwout yoke (50) to the operating shaft
(47). Gently tap one end of the operating shaft (47), and roll out the exposed Woodruff key (48).
Repeat this procedure and roll out the remaining Woodruff key. Remove the operating shaft (47) and
throwout yoke (50) from the PTO housing (44).
u.
Remove the lubrication fittings (45, 46) from the PTO housing. Remove the plug (38) only if cleaning
of the drilling is necessary.
REPAIR
a.
Visually inspect for damage or scrubbing of parts due to misalignment between the engine and the
Power Takeoff.
b.
Replace roller bearings (36) in the PTO housing. Ensure proper alignment of parts between the engine
and the PTO on reinstallation.
c.
Check all parts of the PTO unit, clutch assembly and housing for visual signs of cracks or other
damage. Replace internal gear (4) and pilot bearing (1).
ASSEMBLY
NOTE
Torque values given in these procedures are for clean,
oiled thread conditions. See Torque Value Tables 3-5 for
Capscrews, Bolts, and Nuts; 3-6 for Tapered Plugs; and 3-7
for Tube and Hose Fittings.
a.
Install the lubrication fittings (45) and (46) in the PTO housing (44) if removed during disassembly.
4-44
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