PREVOST X3-45 COMMUTER User Manual

SECTION 12: BRAKE AND AIR SYSTEM
DOB 1300-1556 | X3-45 Commuter PA-1648 Maintenance Manual First release Oct 2020
9
4.2 MAINTENANCE
MAINTENANCE
Air tank purge
A recommended purge using the bottom drain
cock should be done at the intervals specified by
th
e Lubrication And Servicing Schedule in
Section 24A
: LUBRICATION & SERVICING
SCHEDULE.
It is important to empty the tanks completely to
ensure that water and moisture is totally
evacuated from the tank.
4.2.1 Wet Air Tank
This reservoir, located above the L.H. inner
wheel of drive axle in the rear wheelhousing, is
provided with an automatic drain valve and does
not need to be purged manually.
4.2.2 Primary Air Tank
This reservoir is located above the R.H. inner
wheel of the drive axle and is provided with a
bottom drain valve. It is recommended to purge
the primary air tank at the intervals specified by
the Lubrication and Servicing Schedule in
Section 24A: LUBRICATION & SERVICING
SCHEDULE.
4.2.3 Emergency/Parking Brakes Overrule Air
Tank
The parking brakes overrule air tank is installed
at the ceiling of the rear baggage compartment,
on the L.H. side, and is provided with a bottom
drain valve.
4.2.4 Ping Tank
The ping tank is located in the engine
compartment, fore of the power steering tank; it
is accessible through the engine compartment
R.H. side door. This tank is used to dissipate
heat and to reduce noise produced by the air
compressor cycling on and off. The ping tank is
not provided with a drain valve.

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