Reel Drive And Transmission Coupler Bearing Housing - Toro Greensmaster Flex 21 Service Manual

Reel Drive and Transmission Coupler Bearing Housing (Fig. 16)
Service of the reel drive bearing housings on either side
of the Flex 21 requires similar procedures.
Removal
1. Park mower on a level surface. Make sure engine is
OFF. Remove high tension lead from the spark plug.
2. Remove the cutting unit from the traction unit (see
Separating Cutting Unit From Traction Unit in the Gener-
al Information section of Chapter 7 – Cutting Unit).
3. Remove belt cover and reel drive belt from the side
of the mower that requires service (see Reel Drive Belt
Replacement in this section).
4. Remove flange nut that secures pulley to the shaft
(Fig. 17 and 19). Slide pulley from the shaft (pulley on left
side of mower uses a pulley washer). Remove woodruff
key and spacer.
5. Remove flange nuts and washers from carriage
screws that secure bearing housing to plate assembly.
6. Slide bearing housing with shaft and coupler away
from the frame.
Bearing Housing Disassembly
NOTE: Do not mar outer surface of flex coupler (e.g.
grasping with pliers or mounting in vise) as coupler may
be damaged and fail prematurely.
1. Push spring pin from flex coupler and shaft to allow
coupler to be removed from shaft. Remove coupler and
discard spring pin.
2. Remove seal and retaining ring from housing.
3. Pull shaft, bearings and spacer from housing.
4. Press bearings and spacer from shaft.
Bearing Housing Assembly
1. Press first bearing fully onto shaft. Position spacer
and press second bearing onto the shaft.
2. Fill cavity between bearings with grease. Also, pack
rear cavity of oil seal with grease.
3. Apply grease to the bore of the housing. Install shaft
with bearings and spacer into bearing housing.
4. Install retaining ring and oil seal into housing.
5. Position coupler onto shaft and secure with new
spring pin.
Greensmaster Flex 21
1. RH reel drive belt
2. Flange nut/washer
2
2
1. Bearing housing (RH)
2. Carriage screw
1. LH reel drive belt
2. Flange nut/washer
Page 4 – 11 Traction and Reel Drive System (Rev. C)
1
2
2
4
3
Figure 17
3. Pulley
4. Pulley flange nut
1
3
Figure 18
3. Flex coupler
2
1
Figure 19
3. Pulley with washer
4. Pulley flange nut
4
3