RegularMaintenance
Hydraulic Pump Drive Belt Replacement
1. Park the tractor on a smooth, level surface such as a
concretefloor. Disengagethe PTO,engagethe parking
brake,turn off the engine, and remove the ignition key.
2. Removethe PTOdrive belt (see MOWERBELT
REPLACEMENTfor removal instructions).
3. Removethe hardware that securesthe clutch anchor
padto the PTOclutch.
AWARNING
STOREDENERGYDEVICE:Improperrelease of thebelt
tensionspringcan resultin personalinjury.
Useextremecautionwhen removingthis spring.
4. Loosen the nut on the spring anchor eyebolt (G, Figure
44) 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 pump pulleys (B & C).
6. Reinstall the spring anchor eyebolt (G) into the anchor
tab and loosely fasten the nut. Adjust the anchor
eyebolt until a measurementof 8-3/8" (21,2 cm) is
achievedfrom the outside if the spring hooks. Tighten
nut.
7. Reinstall the clutch anchor pad to the PTOclutch and
securewith the hardware previously removed.
8. Reinstall the PTOdrive belt.
Figure44. Hydraulic Pump Drive Belt Replacement
A. Pump Drive Belt
B. Crankshaft Pulley
C. Pump Pulley
D. Idler Pulley
E. Idler Arm
F. Spring
G. Spring Anchor Eyebolt
37