MAINTENANCE
34
1740333SM
HOW TO REPLACE THE MOTION DRIVE BELT
REMOVAL
1. Remove the mower housing. See the instructions on “How To
Remove The Mower Housing”.
2. Remove the
mid
−
idler pulley
.
3. Disconnect the
idler spring
(Figure 36).
4. Remove the
idler pulley
and
spacer
(Figure 36).
5. Remove the
V
−
idler pulley
and
spacer.
6. Remove the
motion drive belt
from the
drive pulley
(Figure 36).
7. To remove the
motion drive belt
from the
stack pulley
, pull the
front end of the belt under the
stack pulley
and then back
between the stack pulley and the
steering plate
(Figure 34).
8. Remove the
access panel
(Figure 35).
9. Remove the two
screws
that attach the
steering shaft
assembly
(Figure 35). Raise the steering wheel and
steering
shaft assembly
. Pull the
motion drive belt
under the
steering
shaft assembly
.
10. Remove the
motion drive belt
. A correct replacement part or
assistance is available from an Authorized Service Center in
your area.
INSTALLATION
1. Slide the
motion drive belt
between the
stack pulley
and the
belt guides
(Figure 34). Install the
motion drive belt
on the
top pulley of the
stack pulley
. Make sure the “V” side of the belt
is against the pulley.
2. Push the
motion drive belt
through the opening between the
steering plate
and the engine plate.
3. Install the end of the
motion drive belt
around the
drive pulley
(Figure 36).
4. Put the
motion drive belt
around the
V
−
idler pulley
. Install the
motion drive belt, V
−
idler pulley
and
spacer
.
5. Put the belt around the
idler pulley
. Fasten the
idler pulley
and
spacer
with the hex nut. Make sure the flat side of the belt is
against the
idler pulley
. Also, make sure the belt is not twisted.
6. Connect the
idler spring
(Figure 36).
7. Install the
mid
−
idler pulley
.
8. Check the routing of the motion drive belt (Figure 36). Make
sure the
motion drive belt
is installed correctly on the
idler
pulleys
and inside all
belt guides.
9. Attach the
steering shaft assembly
to the steering plate with
two screws (Figure 35).
10. Attach the
access panel
(Figure 35).
11. Before you use the unit, check the adjustment of the clutch. See
the instructions “How To Check And Adjust The Clutch”.
12. Install the mower housing. See the instructions “How To Install
The Mower Housing”.
Motion
Drive
Belt
Figure 34
FRONT
Stack Pulley
Steering
Plate
Belt Guides
Figure 35
Screw
Steering Shaft
Assembly
Motion Drive
Belt
Access Panel
Stack Pulley
Motion Drive Belt
Drive Pulley
Figure 36
Belt Guide
V
−
Idler Pulley
Idler Spring
Belt Guide
V
−
Idler Pulley
Idler Pulley
Spacer
Idler Spring
Spacer
Mid
−
Idler Pulley
Содержание 425622 78B Series
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