Ride Height Correction
THE TOOL AT WORK
ATTENTION!
IT IS OF UTMOST IMPORTANCE THAT ANY INDIVIDUAL WORKING ON THE HYDRAGAS
SYSTEM IS AWARE OF HIGH PRESSURE IN THE SYSTEM AND TAKE ALL PRECAUTIONS
TO AVOID INJURY OR IMPLEMENT FAULTS TO THE HYDRAGAS SYSTEM. NO RESPONSIBILITY
IS ACCEPTED FOR ANY SUGGESTIONS MADE HERE. YOU USE THIS INFORMATION AT
YOUR OWN RISK
WHEN PROPERLY HANDLED THE PROCEDURE
IS TOTALLY SAFE AND WILL ALLOW YOU TO MAKE ADJUSTMENTS TO RIDE HEIGHT
AND OTHER SUSPENSION WORK EASIER.
Measuring the ride hight
1. The car must be on flat level ground
2. The hand brake must be off
3. Roll the car forward 1 yard to relieve tension (in the suspension,
not you!)
4. Bounce the car a few times, front and back
measure between the middle of the axle
and the metal boarder of the wheel arch.
Correcting the ride hight
- Always be sure that the connecting hose contains no
air. Pump a few times until you see the green stuff emerge without air.
- Make the connection to car system as quick as possible,
delay here may result in loss of liquid from system.
- Always connect with BOTH valves closed.
- Notice system pressure BEFORE doing any changes.
- If emptying system open valves SLOWLY.
- When refilling, pump SLOWLY BUT STEADY until wanted
car-height / pressure is reached.
- CLOSE ALL VALVES before disconnecting the system from
car.
- If the fluid is re-used filter it in 'Melitta' filter
to get rid of any dirt or Particles.
- after ride hight correction drive the car app 2 miles
and let it rest on a plain surface app. 2 hours before valuating the
pump result
The following general test for a single Hydragas
Unit is not unfortunately possible with this simple pump:
If the trim height is low and there is no detectable fluid
leak from the hydragas system, a leakage of nitrogen from one or more
of the displacers may be the reason for this failure.
1) Depressurise and evacuate the hydragas unit on the low side of the
car.
2) Disconnect the connecting pipe from the suspect hydragas unit and fit
tool 18G.1743 (an
'in line' connector).
Pressurise the single hydragas unit using tool 18G 703V (the box of tricks
that is used to pump fluid into the hydragas system) and note readings
on the service unit pressure gauge. The gauge readings should rise rapidly
to 2172 kN/m² +-3%, (This is the nominal nitrogen pressure in the
upper sphere) and then rise gradually at each operation of the pump. If
the gauge reading continues to rise rapidly at each operation of the servicing
unit pump after the nitrogen nominal pressure is reached, then the unit
is defective and must be replaced.
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(c) Carl G.B.1.11.99 edited by Dieter Koennecke and spell
checked by Tony Smith |
