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Maintenance
Regular Maintenance
Figure 38. Hydraulic Pump Drive Belt Replacement
A. Transmission Drive Belt
B. Crankshaft Pulley
C. Transmission Pulleys
D. Idler Pulley
E. Idler Arm
F. Spring
G. Spring Anchor Eyebolt
H. Stationary Idler Pulley
I. Arrow Indicating the Front of the Machine
Transmission 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 MOWER BELT
REPLACEMENT for removal instructions).
3. Loosen and remove the crankshaft bolt (C, Figure 37)
and the PTO clutch (B) from the engine crankshaft.
4. Loosen the nut on the spring anchor eyebolt (G, Figure
38) to release the majority of the belt tension. Use
caution and remove the nut to completely release the
tension.
WARNING
STORED ENERGY DEVICE: Improper release of the belt
tension spring can result in personal injury.
Use extreme caution when removing this spring.
8 3/8”
(21,2 cm)
A
G
I
B
E
H
D
CF
C
5. Remove the old belt and replace it with the new one.
Make sure the V-side of the belt runs in the grooves of
the crankshaft pulley and transmission 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 measurement of 8-3/8” (21,2 cm) is
achieved from the outside of the spring hooks. Tighten
nut.
7. Reinstall the PTO clutch to the engine crankshaft and
secure with the crankshaft bolt. Tighten the crankshaft
bolt to 65 ft. lbs (88 Nm).
NOTE: Make sure that the slot in the PTO clutch lines up
with the PTO clutch mounting tab (A, Figure 37) underneath
the engine deck.
8. Reinstall the PTO drive belt.
Figure 37. Remove the PTO Clutch
A. PTO Clutch Mounting Tab
B. PTO Clutch
C. Crankshaft Bolt
CB
A