Snapper S50XBS2648 - Hydraulicpump Drive Belt Replacement

RegWPMaintenance
HydraulicPumpDriveBelt Replacement
1. Parkthe tractor on a smooth, levelsurface such as a
concretefloor. Disengagethe PTO,engagethe parking
brake,turn off the engine, and remove the ignition key.
2. Removethe PTOdrive belt (seeMOWERBELT
REPLACEMENTfor removal instructions).
3. Loosenand removethe crankshaftbolt (C, Figure45)
andthe PTOclutch (B) from the engine crankshaft.
AWARNING
STOREDENERGYDEVICE:improperrelease of thebelt
tensionspringcan resultin personalinjury.
Useextreme cautionwhen removingthis spring.
,
Loosenthe nut on the spring anchor eyebolt (G, Figure
46) to releasethe majority of the belt tension. Use
caution and removethe nut to completely releasethe
tension.
5. Removethe old belt and replaceit with the new one.
Makesure the V-side of the belt runs in the grooves of
the crankshaft pulley and the transmission pulleys (B &
C).
6. Reinstallthe spring anchor eyeboit (G) into the anchor
tab and loosely fasten the nut. Adjust the anchor
eyebolt until a measurementof 5-7/8" (14,92 cm) is
achievedfrom the outside if the spring hooks. Tighten
nut.
7. Reinstallthe PTOclutch to the enginecrankshaft and
secure with the crankshaft bolt. Tighten the crankshaft
bolt to 65 ft. Ibs (88 Nm).
NOTE. Makesure that the slot in the PTO clutch lines up
with the PTOclutch mounting tab (A, Figure 45) underneath
theengine deck.
8. Reinstallthe PTOdrive belt.
I
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Figure45. Removing the PTO Clutch
A. PTOClutch Mounting Tab
B. PTOClutch
C. CrankshaftBolt
Figure46. Hydraulic Pump Drive Belt Replacement
A. Pump Drive Belt
B. CrankshaftPulley
C. Pump Pulley
D. Idler Pulley
E. Idler Arm
F. Spring
G. Spring Anchor Eyebolt
H. Stationary Idler Pulley
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