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Groundsmaster 4500--D/4700--DCutting Decks Page 8 -- 16
Front Roller Service
Disassembly (Fig. 17)
1. Remove roller mounting bolt.
2. Remove roller assembly from carrier frame.
3. To remove bearings and bearing spacer:
A. Insertpunchthrough endofroller anddrive oppo-
sitebearingoutbyalternatingtapstooppositesideof
innerbearingrace.Thereshouldbealipofinnerrace
exposed for this process.
B. Remove bearing spacer. Remove second bear-
ing from roller using a press.
4. Inspect roller housing, bearings and bearing spacer
for damage or wear. Replace components as needed.
Assembly (Fig. 17)
1. Install bearings and bearing spacer into roller:
A. Press first bearing into housing. Press on outer
race only or equally on inner and outer races.
B. Insert bearing s pacer.
C. Press second bearing into roller housing press-
ing equally on inner and outer races until the inner
race comes in contact with the bearing spacer.
2. Install roller assembly to deck frame.
NOTE: Securing roller assembly with a gap larger than
0.060inch (1.5mm) createsa sideload onbearings and
can lead to premature bearing failure.
3. Verify that there is no more than a 0.060 inch (1.5
mm) gap between roller assembly and the roller mount
brackets of the deck frame. If this gap is larger than
0.060 inch (1.5 mm), shim excess clearance with 5/8”
washers.
4. Insert mounting bolt and tighten to 80 ft--lb (108
N--m).
1. Mounting bolt
2. Bearing
3. Bearing spacer
4. Front roller
Figure 17
80 ft--lb
(108 N--m)
3
4
2
1
2