Replacing The Pump Drive Belt; Replacing The Grass Deflector - Toro 74170 Operator's Manual

Compact series with 44" sfs side discharge mower
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Maintenance

Replacing the Pump Drive Belt

Check pump drive belt for wear after every 50 hours
of operation.
1.
Remove deck belt first. See Replacing the Deck
Belt on page 55.
2.
Remove bolt from clutch strap and unplug clutch
electrical wire. (Fig. 48).
3.
Pull spring loaded idler to side. Remove traction
belt from the engine and hydro pump pulleys
(Fig. 48).
4.
Install new belt around engine and hydro pump
pulleys (Fig. 48).
5.
Pull spring loaded idler to side and align belt.
Release pressure on spring loaded idler (Fig. 48).
6.
Reinstall deck belt.
3
5
4
Figure 48
1. Clutch Strap
2. Bolt
3. Clutch Electrical Wire
56
1
6
2
4. Belt
5. Idler
6. Clutch

Replacing the Grass Deflector

1.
Stop the engine, set the parking brake, remove
the key and disconnect the spark plug wire(s)
from the spark plug(s).
2.
Remove the locknuts, bolts and springs holding
the deflector mounts to the pivot brackets
(Fig. 49).
3.
If the pivot brackets need to be replaced, remove
the carriage bolts and cone locknuts holding the
old brackets to the top of the discharge opening,
then install the replacement pivot brackets. Make
sure the carriage bolt heads are on the inside of
the cutting unit (Fig. 49).
4.
Install the deflector mounts onto the pivot
brackets with the bolts, springs and locknuts.
Make sure the straight ends of the springs are
positioned between the deflector mounts and the
grass deflector (Fig. 49).
5.
Tighten the locknuts until they contact the pivot
brackets (Fig. 49).
IMPORTANT: The grass deflector must be
spring-loaded in the down position. Lift the
deflector up to test that it snaps to the full
down position.
3
2
1
Figure 49
1. Bolt
2. Deflector Mount
3. Spring
4. Cone Locknut
4
7
6
5
m–2549
5. Pivot Bracket
6. Carriage Bolt
7. Locknut

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