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Groundsmaster 5900/5910Page 7 -- 6Chassis
Lift Arm Joint Yoke
1. Pivot hub
2. Thrust washer
3. Cap screw (8 used per yoke)
4. Flat washer (8 used per yoke)
5. Lock nut
6. Cap screw
7. Shim
8. Base mount
9. Joint yoke
10. Spacer
11. Thrust washer
12. Pivot shaft
13. Thrust washer (as required)
14. Hardened washer
15. Lock nut
16. Lock washer
17. Rear impact arm assembly
18. Lift arm (LH shown)
19. Spacer
20. Deck connection
21. Cap screw
22. Slotted hex nut
23. Cotter pin
Figure 4
FRONT
RIGHT
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
21
19
20
18
8
7
1
2
77 to 96 ft--lb
(105 to 130 N--m)
Threadlocker
Permatex
2223
150 to 180 ft--lb
(204 to 244 N--m)
Joint Yoke Removal (Fig. 4)
1. Park machine on a level surface, lower cutting
decks, stop engine, apply parking brake and remove
key from the ignition switch.
2. Remove cotter pin (item 23) and then slotted hex nut
(item22) from joint yoke shaft. Remove hardened wash-
er (item 14) and thrust washers (items 11 and 13, if
equipped) from joint yoke shaft.
3. Remove eight (8) cap screws (item 3) and flat wash-
ers (item 4) that secure base mounts (item 8) to cutting
deck connection.
4. Raise lift arm enough to free joint yoke from lift arm.
Remove thrust washer (item 11) and spacer (item 10)
from yoke shaft.
5. Liftjoint yoke andbasemounts from deck mount.Lo-
cate and retrieve shim (item 7) from between each base
mount and deck mount.
Joint Yoke Disassembly
1. Remove snap rings from yoke.
IMPORTANT: Support yoke when removing cross
and bearings to prevent yoke damage.