Primary Clutch Service - Toro Workman GTX Service Manual

Primary Clutch Service

1
13
132 to 168 in−lb
(15.0 to 18.9 N−m)
1. Washer head screw (4 used)
2. Starter/generator pulley
3. Washer head screw (3 used)
4. Dust cover
5. Compression spring
Primary Clutch Disassembly (Fig. 11)
IMPORTANT: During clutch disassembly, note loca-
tion of shims (items 6 and 8) for assembly purposes.
Correct shim location is necessary for proper clutch
operation.
IMPORTANT: Make note of the "X" mark cast into
the dust cover, spider and moveable sheave before
clutch disassembly. These marks must be aligned
during assembly for proper clutch operation.
1. Remove three (3) washer head screws securing the
dust cover to the moveable sheave. Note location of "X"
marks cast on the cover and spider for assembly pur-
poses. Remove cover from clutch assembly.
2. Remove compression spring and shims (item 6)
from clutch. Label shims and their location for assembly
purposes.
3. Make sure that starter/generator pulley (item 2) has
been removed from the primary clutch (see Primary and
Secondary Clutches in this section).
Drive Train
2
12
11
190 to 220 ft−lb
(258 to 298 N−m)
Figure 11
6. Shim (2 used)
7. Spider
8. Shim
9. Roller (6 used)
Page 4 − 12
9
8
10
7
10. Button plug (6 used)
11. Primary button (6 used)
12. Moveable sheave
13. Stationary sheave
4. Use starter/generator pulley washer head screws to
secure the spider removal holding bar to primary clutch
(see Special Tools in this chapter).
5. Secure clutch with attached spider removal holding
bar in a vise. Note location of "X" marks cast on the spi-
der and moveable sheave for assembly purposes.
IMPORTANT: Use spider removal spanner to re-
move spider. Unequal pressure on the spider during
removal may damage the spider.
6. Using spider removal spanner (see Special Tools in
this chapter), remove spider (item 7) from the stationary
sheave post (Fig. 12).
7. Remove shim (item 8) from stationary sheave post.
Label shim and its location for assembly purposes.
8. As needed, remove rollers, button plugs and primary
buttons from moveable sheave.
9. If necessary, remove moveable sheave from station-
ary sheave.
132 to 168 in−lb
(15.0 to 18.9 N−m)
4 3
6
5
Workman GTX Gasoline
v