Toro 74249 - Replacing the Pump Drive; Belt

2. 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. R emo v e the belt co v ers o v er the outside
spindles .
4. Loosen the fix ed idler ar m and adjust it to
reliev e the belt tension on the fix ed idler pulley
( Figure 47 ).
Figure 47
1. Fixed idler arm 3. Fixed idler pulley 5. Belt guide
2. Square hole 4. Mower belt 6. Spring-loaded idler pulley
5. R emo v e the old belt.
6. Install the new belt through the belt guide and
on the pulleys ( Figure 47 ).
7. Inser t a ratc het with a shor t extension or a
break er bar into the square hole in the fix ed
idler ar m ( Figure 48 ).
Figure 48
1. Rachet with short extension
or breaker bar
2. Square hole
8. T o increase the belt tension, rotate the ratc het
or break er bar countercloc kwise to mo v e
the fix ed idler ar m until y ou feel increased
resistance and the spring-loaded idler pulley
stops mo ving .
Note: Do not increase the belt tension
bey ond the point where the fix ed idler ar m
stops .
9. W hile holding the belt in tension, tighten the 2
bolts that secure the fix ed idler ar m.
10. R emo v e the ratc het or break er bar from the
square hole in the fix ed idler ar m.
11. Install the belt co v ers the outside spindles .
Replacing the Pump Drive
Belt
Chec k pump dri v e belt for w ear after ev er y
50 hours of operation.
1. Pull the spring loaded idler do wn and remo v e
traction belt from the engine and h y dro pump
pulleys ( Figure 49 ). R emo v e belt betw een
pulleys .
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