Hydraulic Brakes Of Trailers; Connecting And Disconnecting Quick Couplings Of Trailer Hydraulic Brakes; Stopping The Tractor - Manual Brake; Stopping The Engine - Zetor MAJOR Operator's Manual

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Hydraulic brakes of trailers

Connect hydraulic brakes of trailer or articulated
trailer to the quick couplings marked by an arrow.
Control of hydraulic brakes of trailers (articulated trailers)
and control of tractor brakes is done so that the braking
effect of both vehicles is synchronized.
Working pressure is derived by oil supplied by non-
switched on/switched off gear pump of hydraulics.
The pressure on clutch head must be 12 - 15 MPa with
maximum depression of brake pedal. Brake valve of trailer
prefers the function of brakes to the function of hydraulics.
If there are shocks when foot brake pedals are depressed
in the pipeline of hydraulic circuit, it is necessary to bleed
the hose from the brake valve to the quick coupling.
When driving with connected trailer or
articulated trailer, the pedals of foot brake must be
connected and secured by a valve! When braking with
one brake pedal, hydraulic brakes of the trailer are not
active.

Connecting and disconnecting quick couplings of trailer hydraulic brakes

When connecting and disconnecting quick couplings, take increased care with regard for
remaining oil which remains in the socket or in the plug of quick coupling. For ecological reasons, it
is necessary to remove this remaining oil after every disconnection of quick couplings with any
textile material.

Stopping the tractor - manual brake

Stop the tractor gradually in standard conditions. Shortly
before stopping:
1. Depress the clutch pedal.
2. Shift the main gear shifting lever to neutral position.
3. With every stop over, secure the tractor against
spontaneous drive away by a manual brake. Engagement
of manual brake is signalized by a lit control on the
dashboard.

Stopping the engine

It is necessary to ensure that the engine cools down after
a work on the tractor with a full engine load.
1. Before stopping the engine decrease the engine speed
to 800 to 1,000 r.p.m. and keep it running idle for cca
5 minutes.
2. Move the manual fuel control handle to the position of
idling run.
3. The engine shall stop once you turn the key from the
position 'I' to the position '0'.
DRIVING OPERATION
44
NM13N060
NM14D041

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