Yanmar 6CXM-GTE2 Service Manual download pdf (Page 91)

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3.11.9 Reassembly of fuel injection pump

(1) Preparation

1) After inspection, arrange and clean all parts.

2) Prepare the parts for replacement before starting

assembly.

(2) Assembly

1) Install the governor case to the pump housing.

2) Fit the bearings to both ends of the camshaft. Place the

pump housing upside down and insert the camshaft in

the housing together with the middle bearing.

3) Provisionally tighten the middle bearing with hex. hol-

low set bolt.

4) Provisionally install the camshaft support.

Sure to use the standard thickness shim.

5) Tighten the camshaft support with four screws.

6) Tap both ends of the camshaft with a mallet to seat the

bearings.

Turn the camshaft by hand and feel its rotating resis-

tance (preload). If it is too heavy, adjust it by adding

shims. Remove the shim if it is too light.

Note:

Always replace gaskets, packing and O-rings

with new ones.

Note:

Apply grease to the middle bearing to prevent it

from falling out before installation.

Coat the camshaft and oil seal with clean lube

oil to prevent damage to the lip of the oil seal.

Standard thrust clearance

of camshaft

0.01 㨪 0.05mm

Note:

Do not install the O-ring at this stage.

Coat the camshaft and oil seal with clean lube

oil to protect the oil seal from damage.

Take care that the shims do not stick in the O-

ring grooves.

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Yanmar 6CXM-GTE2 Service Manual Page 91