Mower Belt Replacement - Snapper 500Z Series Safety Instructions & Operator's Manual

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Mower Belt Replacement - 48" Deck Models
NOTICE
To avoid damaging belts, DONOT PRY BELTSOVER
PULLEYS.
1. Park the tractor on a smooth, level surface such as a
concrete floor. Disengagethe PTO,engage the parking
brake, turn off the engine, and remove the ignition key.
2. Lower the mower deck to its lowest cutting position and
remove the mower deck guards.
3. Using a 1/2" breaker bar, place the square end in the
square hole located in the end of the idler arm (A,
Figures 40). Carefully rotate the breaker bar
CLOCKWISE, w hich will relievethe tension on the belt
exerted from the idler arm.
, WARNING
Use extremecautionwhen rotating the idler arm with
the breaker bar, due to the increasedtension in the
spring as the idler arm is being rotated, injury may
result if the breaker bar is prematurelyreleased while
the spring is under tension.
4. Slide the drive belt over the edge of the stationary idler
pulley (B). Carefully releasethe tension on the breaker
bar.
5. Removethe old belt and replace with a new one. Make
sure the V-side of the belt runs in the pulley grooves
(Figure 41).
6. Install the drive belt on the PTOpulley, the spindle
pulleys and all idler pulleys except the stationary pulley
(B, Figure40). Carefully rotate the breaker bar
CLOCKWISE and install the belt on the stationary idler
pulley (B). Carefully releasethe tension on the breaker
bar.
7. Reinstall the mower deck guards.
8. Run the mower under no-load condition for about 5
minutes to break-in the new belt.
Figure 40. Mower PTOBelt
A. Idler Arm
B. Stationary Idler Pulley
f
Figure 41. Mower PTOBelt Routing
A. Spindle Pulley
B, PTO Drive Belt
C. Spring-loaded Idler Pulley
D. Stationary Idler Pulley
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