Bidirectional Clutch - Toro Workman 3000 Series Service Manual

Bidirectional Clutch

3
2
1
18
17
1. Clutch shaft
2. Seal plug
3. Retaining ring
4. Ball bearing
5. Housing and race
6. Garter gear
7. Roller (6 used)
Removal (Fig. 61)
1. Park vehicle on a level surface. Make sure engine is
off. Engage parking brake and block rear wheels.
2. Remove drain plug from the transaxle. Drain all
transaxle oil into a suitable container. Install drain plug.
3. Jack up and secure front wheels off the ground (see
Jacking Instructions in Operator's Manual).
4. Remove differential drive shaft (18) from clutch shaft
(1) and the front differential (see Differential Drive Shaft
Removal).
5. Remove six hex socket head screws (17) and lock
washers (16) securing the clutch shaft (1) to the housing
and race (5).
6. Remove seal plug (2) from the housing and race (5).
Discard seal plug.
7. Remove retaining ring (3) from the transaxle front
drive shaft (19) using a snap ring pliers. Discard snap
ring if it is cracked, distorted, or bent.
Front Wheel Drive (4WD)
CAGE AND ROLLER ASSEMBLY
6
4
5
4
16
8. Cam
9. Thrust bearing
10. Thrust washer
11. Spring
12. Cage
13. Oil seal
12
11
10
9
8
7
Figure 61
IMPORTANT: When removing the bidirectional
clutch from the front drive shaft (19), hold the bear-
ing end of the housing and race (5) down as it is re-
moved to prevent dropping of parts. Be careful not
to damage oil seal (13) on drive shaft splines.
8. Pull bidirectional clutch (5 through 12) from the trans-
axle front drive shaft (19) and adaptor plate (14).
Disassembly (Fig. 61)
NOTE: The cage and roller assembly consists of the
garter spring (6), rollers (7), cam (8), thrust bearing (9),
thrust washer (10), spring (11), and cage (12).
1. Tilt bearing end of the clutch up and slowly pull cage
and roller assembly out of the housing and race (5) as
a complete assembly (see Fig. 62 and 63). Be careful
not to drop parts or damage oil seal.
2. Pull ball bearings (4) and/or oil seal (13) if they re-
quire replacement (see Inspection).
Page 10 – 32
14
13
19
15
14. Adapter plate
15. Screw (4 used)
16. Lock washer (6 used)
17. Hex socket head screw (6 used)
18. Differential drive shaft
19. Front drive shaft (transaxle)
Workman 4000 Series