WORKING OF
NITROX REAR SUSPENSION
Working : Gas Filled
Extension Stroke
During this stroke, oil in canister starts returning to upper
chamber through base valve without any resistance due
to expansion of membrane.
Simultaneously, oil from lower chamber will flow slowly
into upper chamber with resistance due to piston valve.
At the end of extension stroke, rebound spring avoids
hitting of piston rod assembly complete against rod guide.
Procedure for gas checking and Refilling
• Remove the Phillips-headed small screw and ‘O’ ring.
• Clamp the cylindrical guide clamp on to the canister keeping the
rubber plug in the center to support the syringe needle insertion
and keeping in position.
• Hold the pump as shown and pierce the syringe needle into the
center of rubber plug.
• The molded needle adaptor will rest into the clamped cylindrical
guide
• Read the gas pressure on the dial gauge. If the gas pressure is
below 6.5 Kg/cm refill the air by pumping, keeping the needle in
as it is condition without removal. As the natural air consists of
71% of nitrogen it will serve the purpose.
• To fill the air into the canister, apply full stroke of pump as
shown; otherwise air will not get inflated into the pump.
• Keep on pumping the air unless you get 7.5 kg/cm on the gauge
• Pull out the air pump along with needle carefully and take out the
guide clamp
• Finally fix the phillips headed screw with ‘O’ ring.
In current produced pulsars Nitrox RSA is at bottom side & Air filling
is not recommended in these rear shock absorbers.
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2
Pulsar 150/180 DTS-i
Service Station Manual
168
Dealer Development Center
Akurdi Pune
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