Navistar WorkStar Series, Operator'S Manual

Page: 156 / 258

Operation
1. Air Pressure Gauge
2. Air Pressure Regulator
In this configuration, the lift axle controls are located on the
floor-mounted pedestal and on a panel that is mounted externally
on the rear of the cab.
The controls on the floor-mounted
pedestal are the AXLE ENABLE system switch, an UP/DOWN
switch, and an Air Pressure Gauge for each axle. The controls
on the external panel are an Air Pressure Regulator, and a
second Air Pressure Gauge for each lift axle.
Lift Axle Control Identification
Each lift axle has its own set of controls labeled “1” thru “3”
counting the axles from the front of the truck. See the illustrations
below:
1. UP/DOWN Switch – Axle 1
2. UP/DOWN Switch – Axle 2
3. UP/DOWN Switch – Axle 3
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