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G643 (E) Service Manual Chapter 3. Engine Mechanical System
39
Height of camshaft lobes
(A) Intake lobe .......................7.018 mm (.2763 in)
(B) Exhaust lobe ....................7.252 mm (.2855 in)
(C) Maximum permissible difference actual &
specified lobe lift.................± 0.05 mm (.022 in)
See procedure under Testing And Adjusting section
of manual on to due measurements
Front Gear Cover
(1) The front gear cover (1) of the engine must be
replaced if it is removed for any reason. The
cover is made of high impact plastic but can
warp do to heat. To prevent oil leaks replace the
cover.
(2) The front gear cover bolts should be torqued to
............................................... 15 N· m (11 lb· ft)