Linhai ARCHON 400 Service Manual page 106

CHAPTER 3 ENGINE
3.12.7.5 Fuel Pump Installation
● Replace the Fuel Pump gasket in Fuel Pump
assembly with a new one. Old / Used gaskets can
cause leakages.
● Place the bolts on Fuel Pump cover and tighten the
bolts gradually in star pattern sequence to apply equal
compression on gasket. It is shown as right.
Bolt Tightening Torque: 10 Nm. Fuel Pump is installed
with the M6×10 bolts. Use designated bolts only.
Follow the tightening torque and tightening sequence
instruction. Over torque and miss-sequence can cause
unequal compression of gasket and leakage.
● Install the Fuel Tank to vehicle;
● Connect for fuel hoses with suitable hose clamps;
● Connect Fuel Pump coupler;
● Follow 'Fuel Leakage Check Procedure' to check
any leakage before the engine is started.
3.12.7.6 Fuel Pressure Relief Procedure
Caution: This work must not be done when engine
is hot.
After making sure that engine is cold, relieve fuel
pressure as follows.
● Place vehicle gear in 'Neutral'.
● Disconnect Fuel Pump electrical coupler from
vehicle harness.
● Start engine and run till it stops due to lack of fuel.
Repeat ignition key ON and OFF for 2 ~ 3 times of
about 3 seconds each time to relieve fuel pressure in
lines. Fuel Connections are now safe for servicing.
● Upon the completion of servicing, Connect Fuel
Pump Connector to Vehicle Harness.
3.12.7.7 Fuel Leakage Check Procedure:
After performing any service on fuel system, check to
make sure that there are no fuel leakages as below.
● Fill about 3 ~ 5 liters of fuel in tank.
● Turn Ignition key to ON position for 3 seconds (to
operate fuel pump) and then turn to OFF position.
BUCK 450 SERVICE MANUAL 20.0
CHAPTER 3 ENGINE PAGE. 3- 81