25
3. Remove (5) cover screws and (2) tapered nuts and
remove cover (Fig. 34).
4. Check chain for excess slack (Fig. 35). If chain is too
slack, loosen mounting screw for chain idler shoe,
push down against chain to remove slack and tighten
screw (Fig. 35).
2
1
3
2
1
3
Figure 35
1. Chain
2. Idler screw
3. Shoe
5. Make sure a liberal quantity of lithium base No.2
grease is around sprocket and install cover (Fig. 35).
Install tapered nuts first to make sure cover is aligned
with the case (Fig. 35).
6. If idler shoe is worn excessively, flip and use other
side or replace.
Reel Bearing Adjustment
Loose reel bearings will affect cutting performance. Do
not forget to make a check of the bearing adjustment as a
part of your troubleshooting procedures if your cutting
unit performance has deteriorated. Also check and adjust
the reel bearings before doing any reel grinding.
1. Remove grass catcher and cutting unit from traction
unit; refer to Removal and Installation of Cutting Unit.
2. Remove locknut, reel adjustment screw, Allen head set
screw, and capscrew from left reel bracket. Remove
reel bracket from left side plate (Fig. 36).
2
5
4
1
3
Figure 36
1. Locknut
2. Reel adjust screw
3. Allen head screw
4. Capscrew
5. Left reel bracket
3. Check the bearing preload either by use of a torque
wrench by the following method:
• Install a 1/4-20 screw into hole in end of reel shaft
(Fig. 37).
• Support the reel and hang a 5 lb. (2.27 Kg) weight 1
in. (25 mm) away from center of reel shaft and 10 in.
(25 cm) down (Fig. 37).
• Weight should be just held when screw is
perpendicular to center line of reel shaft.
Figure 37
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