PREVOST X3-45 COMMUTER User Manual

SECTION 03 : FUEL SYSTEM
DOB 1300-1556 | X3-45 Commuter PA-1648 Maintenance Manual First release Oct 2020
11
FIGURE 12: FUEL TANK DRAIN PLUG
The proper method of assembling this tapered
threaded drain plug is to screw it to the finger
tight position and then wrench tighten further 2-3
turns. If leakage persists, check for damaged
threads.
4.2 REMOVAL
DANGER
Park vehicle safely, apply parking brake, stop
the engine and set battery master switch(es) to
the OFF position prior to working on the
vehicle.
Before working under an air-suspended
vehicle, it is strongly recommended to support
the chassis at the recommended jacking
points.
NOTE
Before removal, the fuel tank should be
completely emptied by unscrewing the drain
plug. For faster emptying, it is recommended to
siphon fuel through the opening left on the
connection panel once the pressure relief valve
is removed.
Ensure that the container used has a capacity
equal to the amount of fuel remaining in the
tank.
1. Open the condenser door.
2. Unscrew clamps retaining R.H. side filler tube
to fuel tank and filler neck. Disconnect tube
and remove it.
3. Unscrew engine fuel supply and return lines
from fuel tank connection panel.
4. Disconnect the fuel level sender electrical
wires (3 wires). Prior disconnecting, identify
the wires and proper terminal on the fuel level
sender as reference for reinstallation (Figure
13).
5. Using mobile column lifts, raise the vehicle to
gain access to the fuel tank support from
underneath.
6. Before removing the bolts securing the tank
support to the chassis, lower the vehicle and
make sure the tank support is adequately
supported with jack stands or wood blocks.
Failure to do so could result in injury as well
as damage to the tank.
DANGER
Before re
moving the bolts securing the tank
cradle to the frame, make sure the tank cradle
is adequately supported with jack stands.
Failure to do so could result in injury as well as
damage to the tank.
FIGURE 13: FUEL TANK CONNECTION PANEL
7. Once properly supported, unscrew the bolts
(6) holding the fuel tank support to the vehicle
chassis.

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