Steel Tank Removal - PREVOST H3-41 Maintenance Manual

FIGURE 16: 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.

5.8 STEEL TANK REMOVAL

DANGER
Park vehicle safely, apply parking brake, stop
engine and set battery master switch(es) to the
OFF position prior to working on the vehicle.
Before working under
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.
an air-suspended
PA1621 Maintenance Manual All Series | Revised May 2018
SECTION 03 : FUEL SYSTEM
4. Disconnect the fuel level sender electrical
wires (3wires). Prior disconnecting, identify
the wires and proper terminal on the fuel level
sender as reference for reinstallation (Figure
17).
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 removing 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 17: FUEL TANK CONNECTION PANEL
7. Once properly supported, unscrew the bolts
(6) holding the fuel tank support to the vehicle
chassis.
8. Lift the coach until it is high enough to clear
the fuel tank. The fuel tank will rest on the
floor.
15