J. Assembly of PTO Unit
(On Cases so Equipped)
Refer to Illustration on Page PM12
Put shift fork (Item 59) into housing (Item 61) with
the chamfered side of the shift shaft hole toward the
two opening ends of the housing, put clutch collar
(Item 60) into the housing (with the chamfered end
pointing as indicated and into the forked section of
the shift fork.
Install the shift shaft (Item 49 on Page PM13) or
(Item 53 on Page PM14). Install locknut (Item 47 on
Page PM13 or PM14). Restrain nut with a box
wrench and turn the shaft with an open end wrench.
Press bearing cones (Item 64) onto shaft (item 65).
Press seal (item 69) into bearing carrier (Item 67).
Press one cup (Item 63) into carrier.
Install shaft (Item 65) with bearing cones into the
carrier sub-assembly and install the second bearing
cup (Item 63).
Install the bearing carrier shaft assembly onto the
housing (Item 61) with the shaft passing into the shift
collar. Temporarily bolt the carrier to the housing.
With bolts (Item 68) tightened to 15 ft. lbs. ,
measure gap between the parts. Select a shim
stack that measures .005 to .010 larger than the gap
Remove bolts (Item 68), install shim, reinstall bolts
with Permatex on their threads. Tighten to the
specified torque. Skip to J8 if case is equipped with
an air operated PTO shift.
Refer to Page PM14. Install the manual shift linkage
Oil and install o-ring (Item 3) on seal carrier
(Item 52). Install seal (Item 27). Lubricate inside
of seal carrier and the seal with Lubriplate or
transfer case oil.
Fit seal carrier onto the shift shaft and into the
shift opening on the PTO housing. The detent
ball opening should be facing in the same
general direction as the indicator light switch
hole. Install the four bolts (Item 54), tightening to
Put nut (Item 56) on eye (Item 57). Install (Item
57) onto end of shift shaft (Item 53). Install
detent ball (Item 32), detent spring (Item 31) and
set screw (Item 30). Tighten set screw until it
takes a force of 25-40 lbs. to push the shift shaft
out of detent.
Position lever (Item 58) on eye (Item 57) with pin
(Item 59) washers (Item 60) and cotter pin
installed as illustrated on the oil line and fitting
illustration (Page PM15). Install link (Item 55) as
illustrated. Check shift action before tightening
lock nut (Item 56). The eye should be adjusted
disengaged positions. Skip section J8 and
proceed with step J9.