Suspension Load Air Pressure, #1, #2; Tractor Brake Application Air Pressure; Trailer Brake Application Air Pressure - Peterbilt 579 Operator's Manual

Suspension Load Air
Pressure, #1, #2
Suspension Load Air Pressure #1
Suspension Load Air Pressure #2
The Suspension Load Air Pressure
gauge indicates the amount of air
pressure in the air suspension air bags.
When the vehicle is equipped with dual
leveling valves, the #1 gauge indicates
the air pressure in the driver's side air
bags. The #2 gauge indicates the air
pressure in the passenger's side air
bags.
(04/13)
Tractor Brake Application
Air Pressure
The Tractor Brake Application Air
Pressure gauge indicates the amount
of air pressure applied to the tractor
brakes.
Y53-6047–2C
OPTIONAL GAUGES
Trailer Brake Application Air
Pressure
The Trailer Brake Application Air
Pressure gauge indicates the amount
of air pressure applied to the trailer
brakes during brake foot valve and/or
hand brake control valve applications.
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