Yanmar 6CXM-GTE2 Service Manual download pdf (Page 108)

- 3-43-20 -

a) Clean off the carbon on the outside of the of the

nozzle body with a brass brush.

b) Clean the nozzle seat with cleaning spray.

c) Clean off the carbon on the tip of the nozzle with a

piece of wood.

d) Clean the nozzle hole with a nozzle cleaning nee-

dle.

(6) Inspection of fuel injection nozzle

1) Inspect the nozzle for abnormal scratches or wear and

replace it if the sliding surface or seat is scratched or

abnormally worn.

2) Make sure that the nozzle slides down by itself when

the nozzle is pulled out about half way from the body

and released.

Rotate the nozzle a little, and try again.

Replace the nozzle as a set if there are some places

where it does not slide smoothly.

(7) Reassembly of fuel injection nozzle

1) Install the fuel injection nozzle (B).

2) Install the fuel injection pipe joint to the fuel injection

nozzle (B), (together with the rubber packing (E).

3) Tighten the nozzle tightening nut (C).

4) Tighten the fuel injection pipe cap nut (D).

Pipe joint tightening torque

24.5 N࡮m (2.5 kgf࡮m)

Tightening torque

31.4 N࡮m (3.2 kgf࡮m)

Tightening torque

34.3 N࡮m (3.5 kgf࡮m)

Caution:

* If the nozzle tightening nut (C) is tightened first, fuel oil

may leak into the lube oil.

* If the cap nut (D) is tightened first to the final torque, gas

may leak from the packing at the nozzle end.

1 2 ... 103 104 105 106 107 108 109 110 111 112 113 ... 131 132

No comments

Yanmar 6CXM-GTE2 Service Manual Page 108