CONTROLS/INSTRUMENTS
2 - 4
L.H. Lateral Console
18014
1. Diagnostic data reader connector
Datalink for DDEC 3, WT World Transmission
and ABS Brakes.
2. Auxiliary preheating system timer (op-
tional) (Webasto shown, or Espar)
See pages 2-35 & 36 for description of both
heaters.
3. Tag axle valve
The tag axle is located directly behind the drive
axle. Operation of the axle is controlled by a
valve located on L.H. lateral console alongside
parking brake control knob. The valve can be
flipped to either one of the two positions,
"wheels up" or "wheels down".
Axle will automatically be raised or lowered by
air pressure according to valve position. Tag
axle service brakes operate only when axle is in
the "wheels down" position.
Caution: Tag axle should never be raised or
lowered while vehicle is in motion, and should
always remain in the "wheels down" position
during normal operation.
When tag axle is raised, the corresponding indi-
cator light will illuminate, and a beep will sound
to remind you that axle is up.
There are two cases where it may be convenient
to raise the tag axle; First, on slippery surfaces
such as snow, where raising the tag axle will
transfer extra weight and additional traction to
the drive wheels, and second, when maneuver-
ing vehicle in tight areas such as a parking lot,
where raising the tag axle shortens the wheel-
base and allows tighter turning.
Caution: Do not raise tag axle on soft surfaces
such as mud, since the drive axle will tend to
sink deeper.
After either of the above uses, vehicle must be
stopped, then tag axle must be lowered before
resuming normal driving.
4. Parking brake control
See "Combination emergency and parking
brakes" on page 2-19.
5. L.H. outside elect. mirror control (optional)
Turn pointer knob to the left for mirror head ad-
justments and to the right for convex mirror ad-
justments, then push down on either of the but-
ton's four (4) sides to adjust the selected mirror's
viewing angle.
6. R.H. outside elect. mirror control (optional)
Turn pointer knob to the left for flat mirror head
adjustments and to the right for convex mirror
adjustments, then push down on either of the
button's four (4) sides to adjust the selected mir-
ror's viewing angle.
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