User manual | Installation Instructions of ContiTech Air Springs

Installation Instructions of ContiTech Air Springs
1.
Step
Have your new ContiTech
Air Spring System ready
• The best way to change an air spring is
to use a complete system and to exchange
axle wise.
• Here we show as an example how to
exchange an Air Spring System on a
truck rear axle.
• Please always refer to the mounting
instructions of your vehicle manufacturer.
2.
3.
4.
5.
Deflate your Air Spring
Loosen pneumatic valves
Loosen all screws
Preparations for installment of your
new ContiTech Air Spring
• Always secure your vehicle first and make sure it remains stable
during the entire process.
• Deflate your Air Spring and keep the air pressure system and the
ignition completely switched off.
• Attention: The distance between chassis and ground will be reduced.
• When loosening the valve from the air inlet
make sure the compressor is still switched
off.
• Remove air connection and make sure
both, the valve and the air pipe stay clean.
• First loosen all screws connecting
the Air Spring System to the chassis.
• Then loosen all screws connecting
the Air Spring System to the axle.
6.
7.
8.
9.
Inspect all other air springs
on your vehicle
Put your new ContiTech Air Spring in place
Tighten your new ContiTech
Air Spring
Inflate your new ContiTech Air Spring System
• Check for abrasion, embrittlement and
cracks in the rubber parts.
• Check metal parts for corrosion.
• Check plastic parts for capillary cracks.
• Check for possible contamination by
lubricants such as oil, diesel, brake- or
cooling fluids.
• Remove all foreign objects such as
stones or dirt.
• Remove all liquids and check source
of contamination.
• Install new ContiTech Air Spring System between chassis and axle
and insert screws (new ones if the old ones are corroded or the threads
are worn down).
• Tighten the top plate to the chassis first.
• Attention: make sure you use the correct torque which is recommended
by your vehicle manufacturer or in the ContiTech catalogue.
• Leave the air inlet open.
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q www.contitech.de/airspring-aftermarket
• Pull down the piston until it touches the
mounting plate (if necessary use for a compressed air gun with max. 0.3 bar).
• Compulsively comply with the height limit.
• Now tighten the piston to the axle with a
torque key making sure to use the correct
torque recommended by your vehicle
manufacturer or in the ContiTech catalogue.
• Remove the defect air spring system.
• Clean the faying surface and look for
corrosion.
• Keep the air pipe closed against dirt
or dust at all times.
• Connect pneumatic valve with the air inlet of the new air spring also
with the recommended torque.
• Inflate your ContiTech Air Spring with the recommended working
pressure, release the safety catch of your vehicle and put it back into
driving position.
• Drive on the safer side with ContiTech quality.

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