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Replacing the Hydraulic
Pump-Drive Belt
1. Disengage the PTO and set the parking brake.
2. Shut off the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Remove the mower belt; refer to
Belt (page
51).
4. Raise the machine and support it with jack stands
(Figure
79).
Figure 79
1. Idler pulley
2. Clutch pulley
3. Pump-drive belt
4. Right hydraulic-pump
pulley
5. Use a ratchet in the square hole in the idler arm to
remove the idler spring
6. Unhook the idler spring from the frame
7. Remove the belt from the hydraulic unit drive pulleys
and the engine pulley.
8. Install the new belt around engine pulley and the 2
drive pulleys.
9. Using a ratchet in the square hole in the idler arm,
install the idler spring to the frame
10. Install the mower belt; refer to
Belt (page
51).
Replacing the Mower
5. Left hydraulic-pump pulley
6. Square hole in the idler
arm
7. Idler spring
(Figure
79).
(Figure
79).
(Figure
79).
Replacing the Mower
Controls System
Maintenance
Adjusting the Control-Handle
Position
There are 2 height positions for the control levers—high and
low. Remove the bolts to adjust the height for the operator.
1. Disengage the PTO, move the motion-control levers
to the N
EUTRAL
brake.
2. Shut off the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Loosen the bolts and flange nuts installed in the levers
(Figure
80).
4. Align the levers in the front-to-rear position by
bringing the levers together to the N
and slide them until they are aligned, then tighten the
bolts
(Figure
81).
1. Bolt
2. Handle
53
-L
position, and set the parking
OCK
EUTRAL
Figure 80
3. Control lever
4. Nut
position,
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