Hydraulic Pump Drive Belt Replacement - Snapper 5900859 Operator's Manual

Regular Maintenance
11. Run the mower under no-load condition for about
5 minutes to break-in the new belt.
Checking the Deck Drive Belt Idler Tensioner
Spring Length
1. Set the mower deck at its middle cutting height.
2. Measure the coil to coil length of the deck drive
belt tensioner spring (A, Figure 47). It should
measure 7-1/4" (18.42 cm). If it does not, perform
the Adjusting the Deck Drive Belt Idler Tensioner
Spring Length.
Adjusting the Deck Drive Belt Idler Tensioner
Spring Length
1. Loosen the jam nut (B) on the eyebolt (C).
2. Turn the adjustment nut (D) until a measurement
of 7-1/4" (18.42 cm) is achieved.
3. Tighten the jam nut.

Hydraulic Pump Drive Belt Replacement

1. Park the unit 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 PTO drive belt (see PTO DRIVE
BELT REPLACEMENT for removal instructions).
3. Lower the mower deck to its lowest cutting
position.
4. Disconnect the PTO clutch wire harness.
5. Loosen and remove the crankshaft bolt (A, Figure
48) and the PTO clutch (B) from the engine
crankshaft.
38
D
Figure 47. Deck Drive Belt Idler Tensioner Spring
A. Deck Drive Belt Idler Tensioner Spring Length
B. Jam Nut
C. Eyebolt
D. Adjustment Nut
B
A
Figure 48. Removing the PTO Clutch
A. Crankshaft Bolt
B. PTO Clutch
C. PTO Clutch Mounting Tab
A
C
7-1/4" (18.42 cm)
B
C
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