Adjustment Of Free Travel Of Brake Pedals; Adjustment Of Hitch For Single-Axle Trailers; Adjustment Of Bowden Cable - Zetor PROXIMA HS Series Operator's Manual

Adjustment of free travel of brake pedals

Correct play between the piston rod of brake pedal and
the piston of main brake valve is 0.5 - 1.0 mm (3 - 6 mm
when measured at the edge of the brake pedals at
unlatched pedals). Adjust the play at unlatched pedals and
after releasing of the adjusting nut (1), in which the piston
rod is screwed.

Adjustment of hitch for single-axle trailers

1. Lift the hydraulic arms to their upper (transport) position
with selected position regulation (P)
2. Screw the nuts on the adjustable pull rods to the guide
tube without any play.
3. Further tighten the nuts by 3.5 turns.
4. Check free tilting of the supporting hooks.
5. By repeated lowering and lifting of the hydraulic arms to
their transport position verify free run of the engine at idle
speed; the safety valve of the hydraulic pump shall not be
activated.
6. Then lower slightly the arms.

Adjustment of bowden cable

The hitch is in transport position. The Bowden cable shall
be stretched so that there is no play on the control lever in
the cabin. In case that it is stretched insufficiently, adjust it
using the set screw (1). After completion of the adjustment
lock the set screw by the lock nut (2).
ADJUSTMENT
190
C754
E766
G767