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TM 55-1905-223-24-5
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 hexhead 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 hexhead 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 (48). 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
Repair consists of replacing compression springs (9) and bearings (36) with bearing cups (32, 37).
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.
b.
Install the bearing and cup (37) into its bore in the PTO housing (44). Press or tap the bearing cup (37)
squarely into its bore to bottom on its back face.
c.
Install the two dust protectors in their holes at the rear of the PTO housing.
d.
Install the passage plug in the PTO housing (44) if removed during disassembly.
e.
With the PTO housing setting on the bench with the clutch end facing up, install the operating shaft (47)
and throwout yoke (50). Push the operating shaft halfway into the PTO housing (44). Slip the throwout
yoke (50) onto the operating shaft (47) and then push the shaft (47) the rest of the way through the
PTO housing (44) to its normal position. Be sure the throwout yoke (50) is installed so the capscrews
(49) enter from the clutch side toward the rear. Slide the yoke (50) to one side to expose Woodruff key
slot in the shaft (34) and install the key (48). Slide the yoke (50) to the other side and install the
remaining key (48). Center the yoke (50) over the keys (48) and secure the yoke (50) to the shaft (34)
with the two hexhead capscrews (49). Tighten the capscrews (49) to 30-42 ft-lb torque.
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