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Figure 66
1. Hydraulic motor
5. Remove the old belt from around the spindle
pulleys and idler pulley.
6. Route the new belt around the spindle pulleys
and idler pulley assembly.
7. Position the hydraulic motor on the cutting
unit after routing the belt around the pulleys.
Mount the motor to the cutting unit with the
bolts previously removed.
Note: Make sure the belt is positioned on the
spring side of the belt guide (Figure 65).
8. Reconnect the extension spring (Figure 65) to
the eye bolt and tension the belt as follows:
• When properly tensioned, the extension
spring (hook to hook) measurement should
be approximately 3.50 ±.25 inch (inside).
• Once the correct spring tension is attained,
adjust the stop bolt (carriage bolt) until
there is approximately .125 +.060/-.000
inch clearance between the head of the bolt
and the idler arm.
Controls System
Maintenance
Adjusting the Throttle
Adjust the throttle cable (Figure 67) so that the
governor lever on the engine contacts the low
and high speed set bolts before the throttle lever
contacts the slot in the control panel.
2. Mounting bolts
Figure 67
1. Throttle cable
Adjusting the Traction Pedal
Linkage
The traction pedal should reach full stroke at the
same time it makes contact with the stop. If it does
not, perform the following procedure:
1. Park the machine on a level surface, stop the
engine, and lower the cutting units to the floor.
Remove the ignition key.
2. Check the traction pedal stop adjustment.
The distance from the top of the stand to the
top of the stop must be 1-1/2 inch (38 mm)
(Figure 68). Loosen the nuts and adjust, as
required.
Figure 68
1. Traction pedal stop
3. Loosen the jam nuts on the rod end and adjust
the traction rod length (Figure 69) so that the
pedal contacts the pedal stop when the pump
lever reaches full stroke. Secure the jam nuts.
47
2. Stand
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