Replacing The Blade Drive Belt; Washing The Mower - Toro 78363 Operator's Manual

Replacing the Blade Drive Belt

Removing the Blade Drive Belt
1. Remove the mower; refer to Removing the Mower,
page 11.
2. Remove the pulley cover mounting screws and pulley
covers from the blade pulleys (Fig. 34).
1
2
5
Figure 34
Top View
1. Pulley cover screw
2. Pulley cover
3. Belt guide
3. Release the spring (Fig. 34).
4. Remove the belt from the pulleys (Fig. 34).
Installing the Blade Drive Belt
1. Install the new belt around the blade pulleys and the
idler pulleys.
2. Attach the spring (Fig. 34).
3. Install the left and right pulley covers with the
mounting screws (Fig. 34).
4. Install the mower; refer to Installing the Mower,
page 5.

Washing the Mower

After each use, wash the underside of the mower to prevent
grass build-up and improve performance.
1. Park the tractor on a hard level surface.
2. Apply the parking brake, start the tractor, and raise the
attachment lift.
3. Get off the tractor. Place the mower height-of-cut lever
in the lowest cut position.
3
2
4
m-3525
4. Mower belt
5. Spring
18
4. Lower the attachment lift, stop the engine, and remove
the ignition key.
5. Attach a hose coupling to the end of the washout fitting
and turn water on high (Fig. 35).
Note: Spread petroleum jelly on the washout fitting o-ring
to help the coupling slide on easier and protect the o-ring.
Figure 35
1. Washout fitting
2. Coupling
6. Sit on the seat and start the engine.
7. Engage the PTO and let the mower run for one to three
minutes.
8. Disengage the PTO, stop the engine, and remove the
ignition key. Wait for all moving parts to stop.
9. Turn the water off and remove the hose coupling from
the washout fitting.
Note: If the mower is not clean after one washing, soak it
and let it stand for 30 minutes. Then repeat the process.
10. Run the mower again for one to three minutes to
remove excess water.
Warning
A broken or missing washout fitting could expose
you and others to thrown objects or blade contact.
Contact with the blade or thrown debris will cause
injury or death.
Replace a broken or missing washout fitting
immediately, before using the mower again.
Plug any hole(s) in the mower with bolts and
locknuts.
Never put your hands or feet under the mower
or through openings in the mower.
1
3
2
m–3586
3. Hose