PREVOST H3-41 Manual page 47

23 - Low Fuel Level Indicator
Illuminates when approximately 12 US gallons
(45 litres) of fuel remain in the tank. After the
light comes on, the remaining fuel will provide
less than 60 miles (100 km) of travel. Do not
exceed this distance.
possible.
24 - Preheating System Indicator
Illuminates when the water heater is operating.
Refer to "Other Features" section.
25 - A/C-Heating Compartment Door Ajar
Indicator
Illuminates when the A/C-heating compartment
door is open.
26 - High A/C Pressure Indicator
Illuminates when the A/C system pressure is too
high. If the A/C pressure is too high, the
compressor clutch is disengaged, but the fan
remains activated.
Instruments
NOTE: Do not refer to dashboard instruments
during adjustment procedures. Use calibrated
gauges.
27 - Air Pressure Gauge (Primary System)
Indicates the primary air system pressure. The
normal operating pressure is from 95 to 125 psi
(655 to 860 kPa).
28 - Air Pressure Gauge (Secondary System)
Indicates the secondary air system pressure.
The normal operating pressure is from 95 to 125
psi (655 to 860 kPa).
29 - Transmission Oil Temperature Gauge
Indicates the operating temperature of the
transmission oil. The normal reading should be
between 160°F to 250 °F (70°C to 120 °C).
Refuel as soon as
NOTE: For
transmission retarder,
temperature may rise to a maximum of 330°F
(165°C) if operated for extended periods.
30 - Tachometer
Indicates the operating speed of the engine in
hundreds of revolutions per minute (rpm x 100).
The tachometer serves as a guide for gear
shifting, and
overspeeding when driving downhill with the
Jacobs engine brake operating. The maximum
allowable engine speed is 2,450 rpm.
31 - Speedometer
Indicates the coach speed in miles per hour
(mph) and kilometres per hour (km/h).
The odometer registers the distance travelled in
miles (US model) or kilometres.
32 - Left blank for additional gauge
33 - Tachograph
CAUTION: THE
FACTORY PROGRAMMED. DO NOT CHANGE
DIP-SWITCH POSITIONS.
Speedometer
Indicates coach speed in miles per hour (mph -
US model) or kilometres per hour (km/h).
3-20
CONTROLS & INSTRUMENTS
coaches equipped
the transmission
helps to prevent
TACHOGRAPH
with a
oil
engine
OEH3B332
IS