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Hydraulic Pump Drive Belt Replacement
1. Park the rider 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. Break the jam nut, that is located towards the rear of the
machine on the spring anchor hook, loose. Loosen the
nut towards the front of the machine on the spring
anchor hook (H, Figure 46) to release the majority of the
belt tension. Use caution and remove the nut to
completely release the tension.
4. 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).
5. Reinstall the anchor hook (H) into the anchor tab and
loosely fasten the nut. Adjust the spring until a
measurement of 9” (22,86cm) is achieved from the
outside of the spring hooks. Tighten the jam nut.
6. Reinstall the PTO drive belt.
Figure 46. Hydraulic Pump Drive Belt Replacement
(Shown from Below)
A. Pump Drive Belt
B. Crankshaft Pulley
C. Transmission Pulley
D. Idler Pulleys (stationary)
E. Idler Pulley
F. Idler Arm
G. Spring
H. Spring Anchor Hook
B
E
A
H
F
C
C
G
D