Maintenance manual for sunray hfc4da1-2c china-IV diesel engines
52
9. Install other peripheral accessories.
a. In turn install the fuel injection assembly with sealing
gasket onto the cylinder head.
b. Install the fuel injector fixing pressure plate and
install and tighten the fuel injector pressure plate
bolts to 8±2N.m+40～45°.
c. Install the 1
st
cylinder high pressure fuel pipe
assembly, 2
nd
cylinder high pressure fuel pipe
assembly, fuel injection pump high pressure fuel
pipe, 3
rd
cylinder high pressure fuel pipe assembly,
and 4
th
cylinder high pressure fuel pipe assembly and
tighten the corresponding nuts. Notice: 1. Notice the
installation direction of high pressure fuel pipes; 2.
The tightening torque for nuts at fuel injector end is
27±5N.m; 3. The tightening torque is 20±5N.m for
nuts at high pressure fuel rail end, 27±2N.m for high
pressure fuel pipe nuts at fuel pump end, and
20±2N.m for high pressure nuts at fuel rail end.
d. Use accelerator cable bracket bolts to install the fuel
return three-way valve onto the gear chamber and
tighten to 7.5±2.5N.m.
To Next Page
Loading...