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Troubleshooting, Adjustment & Service
MOWER BELT REPLACEMENT AND
ADJUSTMENT
(DDSH Models only)
1. Park the machine on a smooth, level surface such as
a concrete floor. Disengage the PTO, engage the
parking brake, turn off the engine, and remove the
ignition key.
2. Remove the mower deck guard.
3. Remove the rear engine deck guard.
4. Loosen the spring compression nut (B, Figure 25 &
26) to release the belt tension.
5. Slide the drive belt over the edge of the idler pulley
and then slide the belt under the idler pulley. Drop
the belt from the PTO clutch pulley groove.
6. Remove the old belt and replace with a new one.
Make sure the V-side of the belt runs in the pulley
grooves (Figure 27).
7. Install the drive belt on the PTO pulley, the spindle
pulleys and idler pulleys. Tighten the spring com-
pression nut (B, Figure 25 & 26) until the belt tension
spring (A, Figure 25 & 26) is 3/4” (1,90cm) long.
8. Run the mower under no-load condition for about 5
minutes to break-in the new belt and re-check spring
length. Adjust if necessary.
Figure 25. 52” Mower PTO Belt
A. Belt Tension Spring
B. Spring Compression Nut
Figure 26. 61” Mower PTO Belt
A. Belt Tension Spring
B. Spring Compression Nut
Figure 27. Mower PTO Belt Routing
A. Spindle Pulley C. Spring-loaded Idler Pulley
B. PTO Drive Belt D. Stationary Idler Pulley
A
A
A
D
D
D
A
C
B
B
A
B
To avoid damaging belts, DO NOT
PRY BELTS OVER PULLEYS.