Reel Drive And Transmission Coupler Bearing Housing - Toro Greensmaster
Flex 18 04018 Service Manual

Reel Drive and Transmission Coupler Bearing Housing (Fig. 3)
Service of the reel drive bearing housings on either side
of the machine requires similar procedures.
Removal
1. Park machine on a level surface. Make sure engine
is OFF. Remove spark plug wire 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 and
Transmission Coupler Drive Belt Replacement in this
section).
NOTE: Do not grasp hex shaft (Fig. 6) when loosening
flange nut that secures pulley as flex coupler may be
damaged and fail prematurely.
4. Remove flange nut that secures pulley to the shaft
(Fig. 4 and 5). Slide pulley (and pulley washer if
equipped) from the shaft. 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: When removing flex coupler from shaft, do not
mar outer surface of 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 then retaining ring from housing.
3. Pull shaft with 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 Mobil High Temper-
ature XHP–222 grease (or equivalent) (Fig. 8).
Greensmaster Flex 18/21
1
1. LH reel drive belt
2. Flange nut/washer
1. RH reel drive belt
2. Flange nut/washer
2
2
1. Bearing housing (RH)
2. Carriage screw
Page 4 – 7
4
2
3
Figure 4
3. Pulley (27 tooth)
4. Pulley flange nut
1
2
3
Figure 5
3. Pulley (22 tooth)
4. Pulley flange nut
1
3
Figure 6
3. Flex coupler
4. Hex shaft
Traction and Reel Drive System
2
4
4