CONTROLS/INSTRUMENTS
1. Tag axle unloaded or retractable
Vehicle can be fitted with either the standard tag
axle unloaded system or the optional retractable
tag axle system. When valve is switched to the
"Wheels up" position, the tag axle air springs are
unloaded (depleted) with the tag axle unloaded
system or, tag axle is raised with the retractable
tag axle system. For both systems' descriptions,
see page 4-21.
2. Parking brake control
See "Combination emergency and parking
brakes"
on page 2-28.
3. Door override
In the event of a malfunction in the front entrance
door air lock mechanism, press this button to
release air lock (see page 3-4).
4. Parking brake override (Optional) or
Low-Buoy (Optional)
Parking brake override: If during normal
operation, primary system air pressure drops
below 40 psi (276 kPa), spring-loaded parking
brakes will automatically be applied at full
capacity on drive axle to stop vehicle. Cause of
pressure loss should be determined and
corrected before proceeding. However, vehicle
may also be equipped with an optional parking
brake release system (Parking brake override)
which will allow driving the vehicle for a short
period of time to a safe parking area. To
operate, push and hold down the control knob
with vehicle in motion.
Low-Buoy: Low-buoy option is used to lower the
coach by approximately 4 inches (100 mm) when
valve is positioned towards
“LOW-BUOY”. For
system description, see page 3-3.
5. Auxiliary Preheating System Timer
(Optional) (WEBASTO (shown) OR ESPAR)
See pages 2-46 & 2-47 for description of both
heaters.
5A. Preheater switch
Push down rocker switch to turn "ON" Preheating
system; supplementing Central Heating System
when required. Preheater will turn "ON" and
"OFF" automatically depending on coolant
temperature.
6. Transmission push-button shifter
Use shifter to select forward, neutral or reverse
gears of transmission. "AUTOMATIC
TRANSMISSION" system operations are
described hereafter.
AUTOMATIC TRANSMISSION
The operation and driving of this vehicle with an
automatic transmission is similar to that of an
automobile equipped with an automatic
transmission. Proper ranges should be selected
according to driving speeds to improve vehicle
performance and control. The transmission is
fully automatic. Speed ratio of power converter
changes automatically as vehicle speed
increases and direct-drive goes in and out as
necessary, modulated by vehicle speed, and
accelerator position.
Range selection - Push-button shifter
The push-button shifter is used by the operator to
select Neutral (N), Reverse gear (R), or a range
of forward gears. When a forward gear range
has been selected, the transmission starts in the
lowest gear of the range and, as conditions
permit, automatically upshifts until the highest
gear in the selected range is in use.
FIGURE 26 18015
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