Page 86 - Mechanic Diesel - TT

MECHANIC DIESEL - CITS

13 Fit a new gasket on the timing cover and fit the timing cover to the front plate of the engine block, tightening all
the bolts.
14 Fit the bank pulley onto the bank flat.
15 Install the lock leaf on the dog nut and tighten the dog nut.

16 Lock with the lock leaf of the dog nut.
Valve timing chain drive type
1 Set the chain two valve timing as per the above procedure.
2 Open the dog worm from the pulley of the bank shaft.

3 Separate the crank pulley from the crank shaft with the help of a pulley puller.
4 Open all built-ins of the timing story.
5 Open the lock leaves of both the mounting bolts of the chain adjuster.
6 Unscrew both mounting bolts of the chain adjuster and the chain adjuster from the front plate of the chain and
engine.
7 Open the lock bird of the cam shaft nut and separate the nut from the cam shaft gear.
8 Separate the chain from the cam shaft gear by pushing the cam shaft gear and bank shaft gear equally with
the help of tire lever.
9 Check the bank shaft gear and cam shaft gear for wear.
10 Check the chain for slackness and wear.
11 Open the tappet sight cover from the engine.
12 Turn the fly wheel and bring the piston 1 to T.D.C. Bring it on.
13 Bring the tappet of cylinder 1 to overlap period (dancing position) by turning the cam shaft left/right.

14 Mount the chain on the camshaft gear and cam shaft gear, match the timing marks of both the gears face to
face.
Note: With the help of fly wheel, rotate the crank shaft two revolutions. The marks of both the gears
should be face to face. If the marks are not face to face, then reset the valve timing.

Valve timing chain type view showing timing marks on gears and use
small chain- no need of chain adjuster

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CITS : Automotive - Mechanic Diesel - Lesson 19 - 24 CITS : Automotive - Mechanic Diesel - Lesson 19 - 24