Toro 07390 Workman HDX-Auto, Руководство по обслуживанию, Страница: 71 / 280

Workman HDX Auto Page 4 − 27 Drive Train
CAUTION
The engine, exhaust system and drive system
components may be hot. To avoid possible
burns, allow all components to cool before work-
ing on drive system components.
Removal (Fig. 26)
1. Park vehicle on a level surface, raise and support ve-
hicle cargo bed (if installed), shut engine off and engage
the parking brake. Remove key from the ignition switch.
2. Remove CVT enclosure cover to gain access to pri-
mary and secondary clutches (see CVT Enclosure Cov-
er in this section).
3. Remove CVT drive belt from primary and secondary
clutches (see CVT Drive Belt in this section).
4. Remove primary clutch, if necessary:
A. Remove socket head screw (item 17) and flat
washer (item 18) that secure primary clutch to engine
crankshaft.
IMPORTANT: Lightly grease end of clutch re-
moval tool to prevent wear or damage to removal
tool and engine crankshaft. Prevent damage to
clutch threads; thread tool into primary clutch
only enough to remove the clutch.
B. Thread clutch removal tool (see Special Tools in
this chapter) into threads in primary clutch and then
tighten tool to remove clutch from the engine tapered
crankshaft.
C. If necessary, remove fan stiffener (item 20) and
CVT fan (item 19) from primary clutch.
5. Remove secondary clutch, if necessary:
A. Remove cap screw (item 22), lock washer (item
23) and flat washer (item 24) that secure secondary
clutch to transmission input shaft.
B. Remove secondary clutch from transmission in-
put shaft. Use of clutch removal tool and secondary
clutch adapter (see Special Tools in this chapter) may
be needed to loosen clutch from shoulder on input
shaft.
Installation (Fig. 26)
1. If removed, install primary clutch to engine crank-
shaft:
A. If removed, secure CVT fan (item 19) and fan stiff-
ener (item 20) to primary clutch with removed fasten-
ers.
B. Thoroughly clean the tapered surfaces of the en-
gine crankshaft and primary clutch.
C. Slide primary clutch onto the engine shaft.
D. Secure primary clutch to engine shaft with socket
head screw (item 17) and flat washer (item 18).
Torque screw from 27 to 33 ft−lb (37 to 44 N−m).
2. If removed, install secondary clutch to transmission
input shaft:
A. Apply antiseize lubricant to transmission input
shaft.
B. Slide secondary clutch onto the transmission
shaft.
C. Secure secondary clutch to transmission shaft
with cap screw (item 22), lock washer (item 23) and
flat washer (item 24). Torque cap screw from 23 to 28
ft−lb (32 to 37 N−m).
3. Install CVT drive belt to primary and secondary
clutches (see CVT Drive Belt in this section).
4. Install CVT enclosure cover (see CVT Enclosure
Cover in this section).
5. Remove bed support from cargo bed lift cylinder and
lower bed.
Safety
Product Records
Drive T
rain