Toro Greensmaster Flex 21, Руководство по обслуживанию

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Greensmaster Flex 21 Page 7 – 31 Cutting Unit (Rev. C)
Disassembly (Fig. 45)
1. Remove reel bearing housings from mower frame
(see Cutting Reel Removal in this section).
NOTE: It is recommended to replace bearings on both
sides of reel.
2. Remove bearings from left side bearing housing:
A. Remove both oil seals from the bearing housing.
B. Once seals have been extracted from left side
bearing housing, bearing can be removed.
3. Remove bearings from right side bearing housing:
A. Remove both oil seals from the bearing housing.
B. Remove inner retaining ring from housing. Then
remove thrust washer and wave washer from hous-
ing. Discard wave washer.
C. Remove bearing from bearing housing.
Assembly (Fig. 45)
1. Pack new reel bearings with grease. Fill cavity on
back of seals with grease.
2. To assemble right side bearing housing (Fig. 46):
A. The right side bearing housing should have the
outer retaining ring installed prior to bearing installa-
tion.
B. Press grease packed bearing into the bearing
housing with a bearing driver. Use the installed re-
taining ring to position the bearing.
C. Place new wave washer on the reel side of the
bearing and then install thrust washer into housing.
D. Install and seat second retaining ring into the
groove of the housing.
E. Fill bearing housing cavity 75% to 95% full with
multi–purpose grease.
NOTE: Bearing housings originally equipped with can-
nister seals (cutting units with serial numbers below
240001000) are deeper than bearing housings used on
later production machines. Inner seal should be re-
cessed into these housings 0.188” (4.78 mm).
F. Using a seal driver, press grease packed seals
into the bearing housing with the flat side out. Inner
seal should be flush with the housing and outer seal
should be flush with the step in the housing.
3. To assemble left side bearing housing:
A. Press grease packed bearing into the bearing
housing with a bearing driver. Bearing should be
positioned between grooves inside bearing housing
after installation.
B. Fill bearing housing cavity 75% to 95% full with
multi–purpose grease.
NOTE: Bearing housings originally equipped with can-
nister seals (cutting units with serial numbers below
240001000) are deeper than bearing housings used on
later production machines. Inner seal should be re-
cessed into these housings 0.188” (4.78 mm).
C. Using a seal driver, press grease packed seals
into the bearing housing with the flat side out. Inner
seal should be flush with the housing and outer seal
should be flush with the step in the housing.
4. Grease lips of seals for assembly purposes.
5. Install reel bearing housings to mower frame (see
Cutting Reel Installation in this section).
1. Retaining ring
2. Thrust washer
3. Wave washer
4. Bearing
5. 75% to 95% grease fill
6. Grease packed seal
Figure 46
1
2
3
5
6
4
1
5
6
RIGHT SIDE
BEARING
HOUSING
SHOWN
Cutting Unit