Toro 74433 - Installing the Mower

Chec k the belts for crac ks , fra yed edg es , bur n
marks , or any other damag e . R e place damag ed
belts .
Replacing the Mower Belt
Squealing when the belt is rotating, blades slipping
when cutting g rass , fra yed belt edg es , bur n marks ,
and crac ks are signs of a w or n mo w er belt. R e place
the mo w er belt if any of these conditions are
evident.
1. P ark the mac hine on a lev el surface and
diseng ag e the blade control switc h.
2. Mo v e the motion control lev ers to the brak e
position, stop the engine , remo v e the k ey , and
w ait for all mo ving par ts to stop before lea ving
the operating position.
3. Set the height-of-cut at A [1-1/2 inc h (38 mm)].
4. R emo v e the belt co v ers o v er the outside
spindles .
5. Loosen fastener securing the belt guide to the
rear pulley ( Figure 58 ).
6. Pull the idler ar m in the direction sho wn in
Figure 58 and roll the belt off of the pulleys .
Figure 58
1. Idler arm 5. Belt guide and fastener
2. Spring
6. Outside pulley
3. Bolt, spring retaining 7. Mower belt
4. Spindle pulleys 8. Deck adapter
T he spring is under tension when
installed and can cause per sonal injur y .
Be car eful when mo ving the idler ar m.
7. R oute the new belt around the engine pulley
and mo w er pulleys ( Figure 58 ). Install the new
belt under the belt guide and around the rear
pulley .
8. Pull the idler pulley in the direction sho wn in
Figure 58 and route the belt onto the idler ar m
pulley and spindle pulleys ( Figure 58 ).
9. Tighten the belt guide fastener on the rear
pulley ( Figure 58 ).
10. Install the belt co v ers o v er the outside spindles .
Installing the Mower
1. P ark the mac hine on a lev el surface and
diseng ag e the blade control switc h.
2. Mo v e the motion control lev ers to the brak e
position, stop the engine , remo v e the k ey , and
w ait for all mo ving par ts to stop before lea ving
the operating position.
3. Lift the front of the mac hine and suppor t it
with stands .
4. Slide the mo w er under the mac hine .
5. Lo w er the height-of-cut lev er to the lo w est
position.
6. Attac h the adjusting rod to the mac hine with
the w asher and hair pin cotter ( Figure 57 ) on
eac h side of the mo w er .
7. Slide the lev eling brac k ets onto the mounting
pins and secure them with the w ashers and
hair pin cotters ( Figure 57 ).
8. Attac h the front suppor t rods to the mac hine
with the clevis pins and hair pin cotters
( Figure 56 ).
9. Install the mo w er belt onto the engine pulley;
refer to R e placing the Mo w er Belt.
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