Bomag BW 900-2, Operating Instructions Manual

Page: 60 / 72

Every 500 operating hours
BOMAG
60
BW 900-2
Fig. 92
Valve clearance
in. = intake valve 0.15 mm (.006 in)
ex. = exhaust valve 0.20 mm (.008 in)
l
Check the gap between valve shaft and rocker
arm with a feeler gauge 3 (Fig. 92).
l
To adjust the valve clearance loosen the jour-
nal adjustment nut (2) and turn the rocker arm
journal (1).
l
After the adjustment tighten the journal adjust-
ment nut with 9 Nm.
Fig. 93
l
Turn the flywheel 270° in clockwise direction
(Fig. 93).
l
The T-marks on cooling fan and on the left
hand side of the fan cover (cylinder 2) must be
aligned.
l
Check the valves marked black, adjust if nec-
essary.
l
After inspection and possible adjustment in-
stall the cylinder head covers with new gas-
kets.
l
Tighten the cylinder head cover fastening
screws with 9 Nm.
i Note
After a short test run check the engine for leaks.