Operation Manual

Table Of Contents
Job Card No.:
Engine:
Filing No.:
Lower Valve Drive
0178-11-10 1346
04.02.01 Page 2 of 3
S/BVM 628
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Job:
Removing the Drive
Remove cylinder head (Job Card 01.04.01). Take out pushrods (25) - Fig. 2 - and remove bolts (16) together
with spring lock-washers (17). Raise tappet guide (30) by means of a screwdriver inserted into the pocket
provided in the flange of the tappet guide. Remove washer and compression spring (if provided).
Inspect all parts for wear, especially tappet guide (30), tappet (29), roller (31) and socket (28).
Replace any defective parts.
Fig. 2
turned by 90°
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