PREVOST X3-45 COMMUTER User Manual

SECTION 23: ACCESSORIES
10
DOB 1300-1556| X3-45 Commuter PA-1648 Maintenance Manual Section 23 revised Nov 2021
• Perform this switch sequence: ON -
OFF - ON (within 2 seconds) then
START the vehicle.
FIGURE 11: IGNITION SWITCH
5.2 CHECKOUT PROCEDURE
Pre-Trip
• Verify the Display panel indicates system
“OK”.
o Display is illuminated constant white.
o Fire Extinguisher with OK icon and
MENU button is displayed.
• Verify the time and date are correct.
General
• Verify that no obvious physical damage or
condition exists that might prevent system
operation.
Display Panel
• Verify the indicator screen displays the
‘System OK’ screen.
Manual Activation Switch
• Verify that the tamper seal is intact and
access to the switch is unobstructed.
Fire Detectors
• Optical
o Verify that the status lamp on the
detector face is on solid green.
o Verify that nothing is blocking the
detector’s field of view.
o Verify that the windows on the face of
the detector are free of excess
contamination (dirt, oil, grease, etc.) – if
necessary, clean using a water soaked
non-abrasive towel.
o Verify there is no physical damage or
corrosion to the detector’s housing, wire
leads, or any of the 3 windows on the
face of the detector.
• TLSE detector (Module and element)
o Verify the status lamp on the face of the
TLSE Module is illuminated solid green.
o Verify the electrical connections of the
TLSE module and element have no visi-
ble damage and all connections are se-
cure.
o Verify the element has no visible damage
or wearing and is properly held in place
via the mounting clamps. If wear is
found, adjust the positioning of the ele-
ment so that it will not touch adjacent
components and eliminates the point of
wear. Replace the element if it is cut or if
internal material can be seen.
o Visually examine the element to make
sure that it is not twisted. If the element is
twisted, the sheath will not be smooth. If
found, replace the element.
o Visually examine the element’s booted
ends and pigtail wiring for damage.
o Verify the element’s ground wire connec-
tion at each terminal lug end is not loose,
damaged, or missing.
Electrical Harness
• Verify that electrical connectors and electrical
wiring have no visible damage and all
connectors are securely seated.
Extinguisher & Distribution System
• Verify that the extinguisher pressure gage
pointer is in the green arc at room
temperature.
• Verify that distribution piping and nozzles are
intact and unobstructed and that nozzle blow-
off caps are in place.
• Visually inspect the extinguisher for damage
such as pits, gouges, dents, or corrosion.
Have the extinguisher evaluated by a

PREVOST X3-45 COMMUTER Specifications

General

Engine	Volvo D13
Transmission	Allison B500
Fuel Type	Diesel
Length	45 ft (13.7 m)
Width	102 in (2.6 m)
Horsepower	500 hp
GVWR	54, 000 lbs
Height	141 in