STOPPING THE ENGINE
Final Stop
To make sure your vehicle is ready
to go after a long stop (such as over
night), please follow the suggestions
below. Your vehicle will be easier to
get going when you are ready, and
it will be safer for anyone who might
be around it. Please remember, too,
that in some states it is illegal to leave
the engine running and the vehicle
unattended.
(04/13)
Final Stopping Procedures
1. Set the
parking brake before leaving
the driver’s seat. To hold your vehicle
while it is parked, don’t rely on:
• Air Brakes
• Hand Control Valve for Trailer
Brakes
• Engine Compression
WARNING!
Using the trailer hand brake or air
brakes to hold a parked vehicle is
dangerous. Because they work with
air pressure, these brakes could come
loose. Your vehicle could roll, causing
an accident involving death or per
-
sonal injury. Always set the parking
brakes. Never rely on the trailer hand
brake or truck air brakes to hold a
parked vehicle.
Y53-6047–2C
2. If you are parked on a steep grade,
block the wheels.
Suitable wheel
chocks are at a
minimum an 18-inch (46 cm) long 4x4.
Blocked Wheels
3. Drain water
from the air reservoirs.
While the engine and air supply
system are still warm, drain moisture
from the air reservoirs. Open the
reservoir drains just enough to drain
the moisture. Don’t deplete the entire
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