Bomag BW 100 ADM-2, Operating Instructions, Maintenance Instructions

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Every 1000 operating hours
BOMAG 80 BW 80 AD-2 Fam.
Every 1000 operati ng hour s
5.27 Checking, adjusting the
valve clearance
i Note
The valve clearance must only be checked and
adjusted when the engine is cold.
!
Caution
The first cylinder is at the front on the blower
end.
Fig. 117
l
Remove the cylinder head cover (Fig. 117).
Fig. 118
l
Remove the protection hood (Fig. 118).
Fig. 119
l
Align the mark "1TC" 2 (Fig. 119) on the fly-
wheel to the mark (1) on the housing.
i Note
the piston of cylinder 1 is in top dead center. The
"1TC"-mark is only valid for cylinder 1.
Fig. 120
l
Check whether the piston of cylinder 1 is in
compression position or in overlap position, to
do so turn the flywheel 15° to right or left re-
spectively.
Overlapping = both valves are moving and
cannot be checked or adjust-
ed.
Compression po-
sition
= none of the valves moves and
can be checked or adjusted.
i Note
I = Inlet valve