Fuel System Preparation (4.0L); Precaution: Fuel Pressure And Servicing Fuel System Releasing (4.0L); Fuel Tank Removal/Inspection/Installation (4.0L) - Mazda B-Series 1997 Workshop Manual

FUEL SYSTEM
FUEL SYSTEM
PREPARATION
SST
PRESSURE REUEF
PRECAUTION
Fuel Pressure and Servicing Fuel System
Releasing
Fuel in the fuel system remains under high pressure when
the engine is not running.
1. Before disconnecting any fuel line, release the fuel pres-
sure from the fuel system to reduce the possibility of injury
or fire.
(1) Connect the SST to the fuel pressure relief valve
( ~ c h r a d e p valve), located on the fuel distribution
pipe.
(2) Place the SST drain hose in a suitable container.
(3) Depress the pressure relief button until the pressure is
released.
For
fuel
return line
removal
49 UNO1 010
Fuel
pressure
gauge
Alternate method
(1) Disconnect the inertia fuel shutoff switch.
(2) Crank the engine for 15 to 20 sec. to relieve the
pressure.
2.
Use a rag for protection from fuel spray when disconnect-
ing the hoses.
3. When inspecting the fuel system, use the SST.
FUEL TANK
Removal / Inspection I Installation
For
inspection
of fuel
pressure
Warning
Before performing the following operation, release the fuel pressure from the fuel
system to reduce the possibility of injury or fire. (Refer to above.)
When removing the fuel tank, keep sparks, cigarettes and open flames away from it.
Before repairing the fuel tank, clean it thoroughly with a steam cleaner to remove all
explosive
gas.
49 UNO1 006
Fuel line
coupling
tool
1. Remove in the order shown in the figure, referring to Removal Note.
2. Inspect all parts and repair or replace as necessary.
3. Install in the reverse order of removal.
Note
Drain the fuel from the fuel tank before removing the tank.