Belt Replacement - Little Wonder OPTIMAX 9270-12-01 Manuel Du Propriétaire

Fiche technique
ET 04380

BELT REPLACEMENT

ENGINE- DRIVE DISC BELT
1. Remove front cover and fan from blower.
2. Move the deflector control lever all the way back.
Disconnect the deflector return spring from the
housing.
3. Remove blower housing from engine and engine
deck.
4. Disconnect master links connecting drive disk
mount to clutch shaft.
5. Remove nut holding drive disc to pivot pulley.
6. Remove the old belt. Check the idler pulley and
drive disks. If there is any question about their
condition, replace them.
7. Route the new belt around the drive disk pulley,
engine pulley and the idler pulley as shown. (Figure
1)
8. Reassemble in reverse order.
9. Use blue thread locking compound when installing
the housing to engine face bolts. Torque to 22-28
ft. lbs.
10. Use red thread locking compound when installing
the fan bolt.
Torque: 3/8-24 torque 30-50 ft. lbs.
DRIVE DISC BELT
IDLER PULLEY
MASTER LINK
CLUTCH SHAFT
16
PROTOUMAT - 35 route de Colmar, 67600 Sélestat
SIRET : 444 448 898 00015
7/16-20 torque 50-90 ft lbs.
ENGINE PULLEY
DRIVE DISC MOUNT
DRIVE DISC PULLEY
Figure 1
1ST STAGE REDUCTION BELT
Figure 2
1. Remove the wheel chain covers and wheel chains.
2. Remove the hex shaft per the Driven Disc
Replacement section. If the driven disc is worn
replace it.
3. Remove the drive wheels and axle.
4. Use the master link to disconnect the differential
chain. Remove the differential chain.
5. Loosen and back off the setscrews A on the
bearing adaptor on the sprocket end of the
intermediate shaft.
6. Remove the mounting bolts B for the bearing on
the pulley end of the intermediate shaft.
7. Slide the shaft C into the sprocket end bearing
D. Work the old belt off between the pulley end
bearing and the engine deck.
8. Inspect the chain, sprockets, and bearings.
Replace worn parts.
9. Install the new belt between the bearing and engine
deck.
10. Reinstall in reverse order. Be sure to put the belt
around the hex shaft and axle before installing
them. Check the installation for alignment of the
pulleys. Install the axle between the trunnion anti-
rotation tabs E.
D C
A
Figure 2
Tél. : 03 88 08 65 06
Fax : 03 88 08 67 39
LITTLE
WONDER
BLOWER
E
B
contact@protoumat.fr
www.protoumat.fr
58