Almost all the following works require certain experience and more exacting service and
diagnostic equipment. That's why we recommend to do the works at specialized or authorized
workshops.
Adjusting valve clearance
Adjustment of the engine valves must be performed by an authorized service.
Flat belt drive tension of accessories
Adjusting the play of the brake pedals
Bleeding the brake system of the tractor
Flat belt drive tension of accessories (A) does not need to
be adjusted. The belt is tensioned automatically.
* Tensioning the V-belt of the AC compressor
If the V-belt (B) is properly tensioned - its deflection must
be 5.5 mm when the belt is subject to the force of 50 N.
Tension the V-belt to the prescribed value after releasing
the fixation screws of the AC compressor.
C15N119
The proper play between the piston rod of the brake
pedals and the piston of the main cylinder is 0.5 - 1.0 mm
(3 - 6 mm measured at the edge of the brake pedals with
the pedals disconnected). Perform the adjustment with the
pedals disconnected and after releasing the adjustment
nut (1) that the piston rod is screwed in.
F_02_204
Do the bleeding with the pedals disconnected, for each
wheel separately, as follows:
Note: When bleeding the hydraulic brake
circuits you must always depress one pedal (1) by
7.5+0.5 mm, measured at the piston rod of the main
brake cylinder, which amounts to 3+0.2 mm at the
adjustment screw (2) and do the bleeding with the
other pedal. To maintain the proper distance insert
between the pedal (1) and adjustment screw (2)
a gauge with the correspond-ing thickness, i.e. 3+0.2
mm.
C756
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