Service Manual

6. Use a press to remove pulley (Item 17).
7. Use a puller to remove bearings (Item 16). Remove
bea
ring spacer (Item 15).
8. Inspect bearings and pulley. Replace parts if worn or
damaged.
9. Use a press to install one bearing (Item 16) into lower
bearing housing (Item 14). When installing bearing,
press on OUTER race of bearing
10. Install lower bearing spacer (Item 15) and press
ot
her bearing (Item 16) into bearing housing until bear-
ings contact the spacer. When installing bearing, press
on OUTER race of bearing.
11. Use a press to push the lower bearing housing and
bear
ings onto the lower pulley (Item 17). Press on
INNER race of bearing.
12. Install lockwasher (Item 32) and bearing locknut
(It
em 30) to pulley shaft. Use special tool (TOR4051)
and a torque wrench to tighten locknut. Tighten to a
torque of 150 - 200 ft-lb.
13. Install lower bearing housing and pulley assembly
to main clu
tch plate (Item 34) and secure with four (4)
special screws (Item 23) and locknuts (Item 20).
14. Install belts on PTO drive pulley.
15. Install clutch.
PTO Shaft and Bearing Service
1. Remove driveshaft between cutting unit and tractor.
2. Loosen setscrew (Fig. 10, Item 3) and turn bearing
c
ollar (Item 2) in opposite direction of shaft rotation to
remove.
3. Remove socket head screws (Item 1) and locknuts
(Ite
m 27) securing bearing (Item 4) to rubber mounts
(Item 22).
4. Remove bearing (Item 4).
5. To remove PTO shaft, remove three (3) flange head
screws (Item 6) and flat washers (Item 7) securing
rubber flange (Item 40) to clutch adapter (Item 13).
6. Remove PTO shaft (Item 5) with rubber flange
(I
tem 40) attached.
7. Replace PTO shaft if bent or if splines are damaged.
8. Install rubbe
r flange (Item 40) to PTO shaft with new flange
head screws (Item 6) flat washers (Item 7) and locknuts
(Item 41). Tighten fasteners to a torque of 45 ft-lb.
9. Install PTO shaft with rubber flange to clutch adapter
(I
tem 13) with new flange head screws (Item 6) and
and washers (Item 7). Tighten screws to a torque
of 45 ft-lb.
10. Inspect rubber mounts (Item 22) and replace if worn
or da
maged.
11. Install bearing (Item 4) so screws (Item 1) and
locknuts (Item 27) are snug, but not tight.
12. Rotate PTO shaft by hand so self-aligning bearing
can find proper alignment position. Tighten locknuts
(Item 27).
13. Set bearing collar (Item 2) against bearing, then turn
co
llar in direction of shaft rotation to lock. Apply Loctite
242 or equivalent to setscrew (Item 3) before installing.
14. Lubricate bearing (Item 4) with No. 2 General Pur-
p
ose Lithium Base Grease.
PTO System
Groundsmaster
®
455-D Page 7 - 11
Rev. E
Repairs