8
90 Workshop Manual, TSD3450E, Issue 1
2800
When the number one piston is at TDC on its compression stroke, the valves of number one cylinder will be
fully closed, if not, remove the timing bolt, rotate the engine by a further 360 degrees and insert again the timing
bolt. The piston of number 1 cylinder is now at TDC on its compression stroke. Withdraw the timing bolt from
the flywheel and rotate the engine backwards until the follower of the number one injector rocker lever is in
contact with the back of the cam lobe.
5 Attach a plunger clock and set the plunger on the top face of the rocker lever of the number one injector at
the position shown (B1). Set the clock to zero.
6 Rotate the engine in the normal direction of rotation until the timing bolt can again enter the hole in the
flywheel and check the reading on the plunger clock. The cam lift at this point should be 2,92 +/- 0,25 mm
(0.115 +/- 0.010 in).
7 Repeat step 6 to ensure that a consistent reading is obtained.
8 If the reading is not within the limits, adjust the position of the adjustable idler gear to advance or retard the
camshaft as necessary. Refer to Operation 3-11.
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