Bomag BW 900-2 Operating Instructions Manual page 60

E v e r y 5 0 0 o p e r a t i n g h o u r s
Fig. 92
Valve clearance
in. = intake valve 0.15 mm (.006 in)
ex. = exhaust valve 0.20 mm (.008 in)
Check the gap between valve shaft and rocker
l
arm with a feeler gauge 3 (Fig. 92).
To adjust the valve clearance loosen the jour-
l
nal adjustment nut (2) and turn the rocker arm
journal (1).
After the adjustment tighten the journal adjust-
l
ment nut with 9 Nm.
Fig. 93
Turn the flywheel 270° in clockwise direction
l
(Fig. 93).
The T-marks on cooling fan and on the left
l
hand side of the fan cover (cylinder 2) must be
aligned.
Check the valves marked black, adjust if nec-
l
essary.
6 0
After inspection and possible adjustment in-
l
stall the cylinder head covers with new gas-
kets.
Tighten the cylinder head cover fastening
l
screws with 9 Nm.
i
Note
After a short test run check the engine for leaks.
B O M A G
BW 900-2