Figure 65
1. Hydraulic motor 2. Mounting bolts
5. R emo v e the old belt from around the spindle
pulleys and idler pulley .
6. R oute the new belt around the spindle pulleys
and idler pulley assembly .
7. P osition the h y draulic motor on the cutting
unit after routing the belt around the pulleys .
Mount the motor to the cutting unit with the
bolts previously remo v ed.
Note: Mak e sure the belt is positioned on the
spring side of the belt guide ( Figure 64 ).
8. R econnect the extension spring ( Figure 64 ) to
the eye bolt and tension the belt as follo ws:
• W hen properly tensioned, the extension
spring (hook to hook) measurement should
be appro ximately 3.50 ±.25 inc h (inside).
• Once the cor rect spring tension is attained,
adjust the stop bolt (car riag e bolt) until
there is appro ximately .125 +.060/-.000
inc h clearance betw een the head of the bolt
and the idler ar m.
Controls System
Maintenance
Adjusting the Throttle
Adjust the throttle cable ( Figure 66 ) so that the
g o v er nor lev er on the engine contacts the lo w
and high speed set bolts before the throttle lev er
contacts the slot in the control panel.
Figure 66
1. Throttle cable
Adjusting the Traction Pedal
Linkage
T he traction pedal should reac h full strok e at the
same time it mak es contact with the stop . If it does
not, perfor m the follo wing procedure:
1. P ark the mac hine on a lev el surface , stop the
engine , and lo w er the cutting units to the floor .
R emo v e the ignition k ey .
2. Chec k the traction pedal stop adjustment.
T he distance from the top of the stand to the
top of the stop m ust be 1-1/2 inc h (38 mm)
( Figure 67 ). Loosen the n uts and adjust, as
required.
Figure 67
1. Traction pedal stop 2. Stand
3. Loosen the jam n uts on the rod end and adjust
the traction rod length ( Figure 68 ) so that the
pedal contacts the pedal stop when the pump
lev er reac hes full strok e . Secure the jam n uts .
47
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