Volvo XC40 Owner's Manual page 512

WHEELS AND TIRES
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8. Start the compressor by moving the
switch to the I (On) position.
WARNING
Never stand next to a tire being inflated
with the compressor. If cracks, bulges, etc.
form on the tire, switch off the compressor
immediately. The vehicle should not be
driven. Call roadside assistance to have the
vehicle towed to a workshop for inspec-
tion/replacement of the tire. Volvo recom-
mends an authorized workshop.
NOTE
When the compressor first starts, air pres-
sure may temporarily increase up to 6 bar
(88 psi) but should decrease again after
approximately 30 seconds.
9. Inflate the tire for 7 minutes.
CAUTION
To help avoid overheating, the compressor
should never be used for more than
10 minutes at a time.
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10. Switch off the compressor and check the
inflation pressure using the air pressure
gauge. The inflation pressure should be
between 1.8 bar (22 psi) and 2.5 bar
(36 psi). If the inflation pressure is too
high, use the air release valve to release
air.
The sealing compound bottle must be
removed in order to access the air release
valve. Remove the bottle in the following
order:
1. Remove the hose from the tire's valve.
2. Remove the hose from the bottle.
3. Remove the bottle from the compres-
sor.
4. Reconnect the hose directly to the
compressor.
5. Screw the hose back on to the tire's
valve.
6. Release air using the air release valve.
WARNING
If pressure falls below 1.8 bar (22 psi), the
hole in the tire may be too large. The vehi-
cle should not be driven. Call roadside
assistance to have the vehicle towed to a
workshop for inspection/replacement of
the tire. Volvo recommends an authorized
workshop.
11. Switch off the compressor and remove
the electrical cable.
12. Unscrew the hose from the tire's valve and
screw the valve cap back on.
NOTE
After inflating a tire, always replace the
•
valve cap to help prevent valve damage
caused by gravel, dirt, etc.
Use plastic valve caps only. Metal caps
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could corrode and become difficult to
remove.
13. Clean the hose before stowing it and
make sure that no sealing compound is
leaking out.