1084
Model
No Page
6900(8000R)
24.02.1999
12
8050---8950 69.5
FRONT AXLE AIR SUSPENSION, fitting instr.
(17)
--- Make a 52 mm hole in the instrument panel for
the pressure gauge 37 (dimensions in picture I.1 .
No t e ! HiTe ch --- mo d e l s ) .
Make the hole accurate, since the gauge fixing
flange is small.
Pass the gauge pipe (reservoir---gauge) through
the hole in the cab front w a ll (beside the 37 pin con-
nector).
Take current and ground for the gauge from the
ind. light for the rear working light switch (S2) (wire
no 26 black).
Connect the white earth wire. Fasten the pressure
gauge.
--- Assemble parts according to picture I.
Pour into reservoir 12A methanol or ethylic alcohol
(0,5 l).
With lever B can the flow of antifreeze agent cut
intothe system (ifoutdoor temperature is over5_C.
In summer the reservoir can be empty, then the le-
ver position is unimportant).
--- Pass hose 14 along the tractor left side under the
batteryandbehindthefilterandfuelinjection
pump to the compressor.
--- Check the tightness of the system. It must be so
tightthatpressuredoesnotdropmorethan 0,15
bar during 10 minutes (2%), when the engine is
stopped. When necessary, the leaks must be re-
paired.
General (picture I.1):
Pressure regulator (picture A) adjusts the system
pressure to correct. When the pressure rises up to
about. 8 bar, allows the regulator air to flow to at-
mosphere. When the system pressure lowers 0,6
bar, the regulator adjusts the compressed air to
flow into the system.
The system pressure can be adj usted by turning
the spring 11B adjusting screw.
Compressed air can also be taken out for auxiliary
components(pressure 8 bar) by turning union 10B
into bottom, e.g. to fill tyres. Through this union the
system can be filled with auxiliary compressed air,
e.g. if the tractor’s own compressor is not working.
Then the union must not be turned into bottom.
Filter 2B must be cleaned regularly.
Valve 7B functions also as a relief valve.
Water must be removed from the system daily by
pulling or pushing the tap 10 (picture I) under the
pressure reservoir.
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