Toro 04021 Service Manual

Greensmaster Flex 21Traction and Reel Drive System (Rev. C) Page 4 – 20
Traction Drum Assembly (Serial Number Above 240001000)
1. Transport wheel shaft (RH shown)
2. Drum pulley (RH shown)
3. Traction (drum) belt
4. Flange nut (3 used per side)
5. Carriage screw (3 used per side)
6. Drum shaft
7. Bearing flangette
8. Extended race bearing
9. Cap screw (4 used per side)
10. Lock washer (4 used per side)
11. Drum spacer
12. Traction drum (RH shown)
13. Drum spindle
14. Seal
15. Ball bearing
16. Bearing spacer
17. Drum hub
18. Seal ride spacer
19. Lock nut
Figure 27
FRONT
RIGHT
5
4
3
2
1
6
7
9
11
10
16
14
15
18
17
8
12
13
19
14
7
15
Anti–seize
Lubricant
65 to 75 ft–lb
(88 to 102 N–m)
Loctite #242
45 to 55 ft–lb
(61 to 75 N–m)
100 in–lb
(11.3 N–m)
NOTE: Components shown in the Figure 27 are from
the right side of the machine.
Traction Drum Removal (Fig. 27)
1. Park mower on a level surface. Make sure engine is
OFF. Remove high tension lead from the spark plug.
2. If installed, remove transport wheels (see Wheels in
the Service and Repairs section of Chapter 6 – Chassis
and Controls).
3. Remove belt cover and traction drive belt from each
side of mower (see Traction Drive Belt Replacement in
this section).
4. Loosen set screws that secure bearings (item 8) to
drum shafts.
5. Insert bar stock or other suitable tool through spokes
of drum to keep drum from turning.
NOTE: The right side wheel shaft has left hand threads
(Fig. 29).
6. Loosen and remove both transport wheel shafts
(item 1).
NOTE: The left side drum pulley has left hand threads
(Fig. 29).
7. Loosen and remove both drum pulleys (item 2).
NOTE: The left side drum shaft has left hand threads
(Fig. 29).
8. Unscrew both drum shafts (item 6) from traction
drum assembly.

Toro 04021 Specifications

General

Brand	Toro
Model	04021
Category	Lawn Mower
Language	English