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ENGINE
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2.1.7.3 MAINTENANCE
ON VEHICLE REPAIR
PRECAUTIONS
Before attempting any service on fuel system, follow-
ing precautions should be always followed for
personal safety and to avoid system damages.
a) Disconnect negative cable at battery.
b) Do not smoke, and place ‘NO SMOKING” sign
near work area make sure to have fire extin-
guisher handy.
c) Make sure to perform work in well ventilated area
and away from any open fire/flames.
d) Wear Safety glasses
e) Small amount of fuel may drip after the fuel lines
are disconnected. In order to reduce the risk of
personal injury, cover the pipe/ hose ends with
suitable plugs with no rust or contamination.
f) After servicing, make sure that the fuel hoses and
clamps are properly connected.
g) After servicing, check for fuel leakages at fuel
hose joints.
h) Relieve the fuel pressure from the system before
disconnecting any fuel lines especially high pres-
sure lines. If pressure is not relieve the fuel may
splash on the technician and the components
which is dangerous.
PRESSURE RELIEVING PROCEDURE
1. Remove the fuel filler cap to relieve the fuel va-
pour pressure.
2. Disconnect the fuel delivery line from the tank
unit.
3. Start the engine and allow the engine to stall.
4. Turn off the ignition switch and disconnect the
battery negative terminal.
A. FUEL RAIL REMOVAL ON VEHICLE
1. Remove the engine cover.
2. Disconnect fuel rail sensor connector from fuel
rail
.
3. Disconnect glow plug connection
.
4. Disconnect injector electrical connection
(1)
from
injector.