Terex TS14G, Maintenance Manual

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Rear Axle Group - Wheel Rim and Tyre
8
Section 160-0050
SM 1721 Rev1 03-05
b. Open valve on nitrogen supply.
c. With flexible hose and clip-on chuck connected to
nitrogen tyre inflation kit assembly but not connected
to the tyre, adjust pressure regulator so that its output
pressure is not more than 1.4 bar (20 lbf/in²) higher
than the desired tyre inflation pressure.
d. Connect clip-on chuck to the tyre valve. The tyre will
now inflate. Tyre pressure can be monitored by
observing the gauge at the pressure regulator. STAY
AWAY FROM THE TYRE.
e. When desired inflation pressure has been achieved,
back off the regulator or close the valve on the
compressed gas cylinder.
f. Remove the clip-on chuck and adjust the tyre
pressure with the tyre gauge in the usual manner.
Re-inflation of a Mounted Tyre
To re-inflate a tyre with dry nitrogen gas which is now
inflated with air, proceed as follows:
1. Exhaust the tyre until only air at atmospheric
pressure remains in the tyre.
tyre explosion because it is an inert gas and will not
support combustion inside the tyre.
The same tyre inflation pressure used for air inflation
should be used for nitrogen inflation. Tyre valves
formerly used with air inflation are entirely satisfactory
for use with nitrogen gas.
Nitrogen Tyre Inflation Kit
WARNINGS
DO NOT USE charging assembly, Part No.
9359489, for tyre inflation because this
assembly does not include a pressure
regulator, safety relief valve, and adequate
pressure gauging which is mandatory for tyre
inflation purposes. Tyre volume is as much as
90 times greater than the average accumulator
volume and hence it takes very much longer to
inflate a tyre - up to 40 minutes or more for
very large tyres.
Nitrogen gas cylinders used to inflate
tyres are generally charged to approximately
152 bar (2 200 lbf/in
2 ). A tyre blowout and/or
rim failure could occur if inflation equipment is
not properly used. Proper nitrogen charging
equipment and personnel training for its use is
a must to avoid over inflation.
1. A nitrogen tyre inflation kit is available from your
dealer and consists of the following. Refer to Fig. 7.
a. Pressure regulator, 0 - 13 bar (0 - 200 lbf/in 2 ), with
two dual pressure gauges.
b. Safety relief valve, 8.6 bar (125 lbf/in²), that will
assure an upper limit to the pressure available for tyre
inflation.
c. A 15.2 m (50 ft) length of flexible hose with
interconnecting fittings. On the tyre end of the hose is
a large bore quick connect/disconnect clip-on chuck.
2. The pressure regulator is connected to a nitrogen
compressed gas cylinder available from local suppliers.
3. The usual procedure for using this type of
equipment is as follows:
a. Connect nitrogen tyre inflation kit to nitrogen
compressed gas supply. DO NOT connect clip-on
chuck to the tyre valve at this time.
SM - 1040
Fig. 7 - Nitrogen Tyre Inflation Kit
Courtesy of Machine.Market