47
Troubleshooting, Adjustment & Repair
Figure 50. Mower Belt Idler Spring Length
A. Mower Belt Tensioner Spring
B. Anchor Eyebolt
C. Jam Nut
D. Adjustment Nut
E. Measurement
A
D
E
B
C
Figure 49. Mower PTO Belt Routing
A. Spindle Pulley
B. PTO Drive Belt
C. Spring-loaded Idler Pulley
D. Stationary Idler Pulley
B
C
D
A
A
A
D
D
approximately 5 minutes to break in the belt.
Check the Mower Belt Tensioner Spring Length
1. Lower the mower deck to its lowest cutting
position.
2. Measure the coil length (E, Figure 50) of the
mower belt tensioner spring (A). The measurement
should equal the measurement as indicated in the
chart. If not, adjust the mower belt spring length.
Mower Belt Idler Spring Length
inch cm
61” Mower Deck 7” 17.8 cm
72” Mower Deck 6-1/4” 15.9 cm
Adjusting the Mower Belt Spring Length
1. Loosen the jam nut (C, Figure 50) on the anchor
eyebolt (B).
2. Turn the adjustment nut (D) until the measurement
as indicated in the chart is achieved.
3. Retighten the jam nut.
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