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Figure 38
1. High height of cut brush
2. J–bolt
9.
Install the excluder seal and the non drive
bearing housing onto the brush shaft
10.
Mount the non-drive bearing housing to the
bearing housing mounting bracket with the 2
bolts, washers, and nuts previously removed,
being careful not to knock the seal spring off.
11.
Tighten the 2 bolts, washers, and nuts securing
the drive bearing housing to the bearing housing
mounting bracket.
g009075
3. Loosen these bolts
(Figure
37).
Maintenance
1.
Make sure the brush is parallel to the roller with
1.5 mm (0.060 inch) clearance to light contact.
2.
Grease fittings every 50 hours or after every
washing.
3.
When replacing roller brush, torque J-bolts to 2
to 3 N-m (20 to 25 in-lb).
4.
When replacing the brush shaft driven pulley,
torque the nut to 36 to 45 N-m (27 to 33 ft-lb).
5.
When replacing the brush drive pulley, torque
the bolt to 47 to 54 N-m (35 to 40 ft-lb).
Important:
Backlapping at the incorrect reel
speed may loosen and strip the drive pulley
threads. Refer to the Cutting Unit Operator's
Manual for backlapping procedure.
6.
Roller brush, idler bearing, and belt are
considered consumable items.
Pulley Alignment
1.
The driven pulley (at roller brush shaft) can
move in or out
way the pulley needs to move.
1. Driven pulley
2. Idler pulley
2.
While rotating the reel, which will rotate the drive
pulley, pry the belt off the drive pulley
Note:
Wear a padded glove or use a heavy rag
to rotate the reel.
3.
Remove the locknut securing the driven pulley
to the brush shaft
a 1/2 inch wrench on the roller brush shaft flats
to keep it from rotating.
4.
Remove the driven pulley from the shaft
40).
15
(Figure
39). Make note of which
Figure 39
3. Driven pulley nut
(Figure 39
or
Figure
g352193
(Figure 39
40). Put
(Figure
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