897
Model
No Page
28.07.1999 6000---8950 59.1 1
BRAKE VALVE, FIT T ING INSTRUCTION
(6)
26.09.1997
6000---6400, 6900 8000, 8000R:
Br.valve, pressure ratio 1:5,44 32556110.....
, 1:7,11 33646300
1:11,1 32530210
6600, 6800, 8050---8750:
Br.valve, pressure ratio 1:5,44 33640900....
1:7,11 33646400
1:11,1 33641300
6250Hi---8950Hi:
Br.valve, pressure ratio 1:5,44 33619300....
1:7,11 33670200
1:11,1 33619400
---Thebrakevalveisusedwithtrailerswhichhave
hydraulic brakes. The brake valve steers the
tractor hydraulic pressure into the trailer brake
cylinders w hen braking.
CHOOSING CORRECT BRAKE VALVE:
--- The max operating pressure of the brake valve
is 15 MPa and valve pilot part pressure ratios are
1:5,44 or 1:11,1
NOTE! Check that the trailer max. allow a ble
pressure is not lower that 15 MPa (see trailer
type plate).
Pressure ratio 1:5 is intended to be a universal
valve for so called ”normal” trailers.
Pressure ratio 1:11 is intended to be fitted on
heavy trailers or on trailers whose brake cylin-
ders require a high pressure e.g. small cylinders.
(The brake pressure does not even in t his case
rise over 15 MPa, but full braking power is
obtained faster).
Fitting
instruction:
--- Lower the lower links to the lowest position.
Remove the LH side rear wheel.
--- C o n n ec t T --- conn e c t or 11 to the final drives re-
turn pipe and then connect the hose 12 end (fig.
1) to the T---connector.