L.h. Lower Switch Panel - PREVOST Motorcoach XL Series Operator's Manual

The diagram chart recording speedometer and
tachometer data covers a 24-hour period. Open
the tachograph cover using the key provided, then
insert the diagram chart with the MPH or KM/H
side facing up. Make sure the chart is correctly
positioned on the drive boss before closing the
cover.
CAUTION:
To prevent damage to the
mechanism, do not run the engine with a
damaged diagram chart or without a diagram
chart. Install a dummy plastic card (Prévost part
no. 590251) if the coach is operated without a
diagram chart.
Instrument & switch brightness control
Adjust as required. Brightness is progressively
dimmed as control knob is rotated clockwise.
NOTE:
Dashboard panel gauges show appro-
ximate readings and should not be relied upon for
mechanical adjustments.

L.H. lower switch panel

FIGURE 10
Switches
1. Ignition
The ignition switch has four (4) positions:
"ACCESSORIES": Turn key counterclockwise;
only the vehicle accessories are operational and
key cannot be removed.
"OFF": Ignition is "OFF" and key can be
removed.
"ON": Ignition is "ON" and key cannot be
removed.
"START": Starting position; spring-loaded ignition
switch returns to "ON" position after starting.
Ignition key must be returned to "OFF" position
before trying to restart.
WARNING:
15 seconds.
engaging again.
overheating and will allow the time delay relay to
cool.
2. XL-40: Blank for additional switch.
2. XL-45: Battery master switch
Both the 12 volt and the 24 volt systems are
activated by the master switch. The indicator light
(located on dashboard - see page 2-7, item #23)
will illuminate if switch is left "ON" when ignition
switch is turned "OFF".
CAUTION:
for an extended period of time, battery master
switch should be set to the "OFF" position.
NOTE:
"OFF" position, the electrical supply from the
batteries is cut off, with the exception of the Fire
Detection System, the Prodriver
Transmission Electronic Controls, the Auxiliary
Heating System, the Battery Equalizer and the
Tachograph power supply.
3. Fast idle
Push down rocker switch to engage fast idle, thus
increasing engine speed to approximately 1100
rpm. Use this switch for extended stops.
18116A
CAUTION:
breaks down the oil and eats into bearings, rings,
valve stems and engine surfaces. If you must idle
the engine, the high idle function should be used.
NOTE:
transmission is shifted with the engine running at
fast idle, engine will reduce its speed to idle and
maintain this rpm as long as parking brake is not
applied and/or transmission is in the neutral
position. If engine is stopped with the fast idle
2 - 14
CONTROLS/INSTRUMENTS
Do not engage starter for more than
Allow starter time to cool before
This will prevent starter from
When vehicle is parked overnight or
When battery master switch is set to the
Idling produces sulfuric acid which
If parking brake is released and/or
tm
, the Engine &