Checking, Adjusting The Valve Clearance - Bomag BW 80 AD-2 Operating Instructions, Maintenance Instructions

Every 1000 operating hours
Every 1000 operating 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
Remove the cylinder head cover (Fig. 117).
l
Fig. 118
Remove the protection hood (Fig. 118).
l
80
Fig. 119
Align the mark "1TC" 2 (Fig. 119) on the fly-
l
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
Check whether the piston of cylinder 1 is in
l
compression position or in overlap position, to
do so turn the flywheel 15° to right or left re-
spectively.
Overlapping
Compression po-
sition
i Note
I = Inlet valve
BOMAG
= both valves are moving and
cannot be checked or adjust-
ed.
= none of the valves moves and
can be checked or adjusted.
BW 80 AD-2 Fam.