Bomag BW 213 D-4, Operating Instructions, Maintenance Instructions

Page: 74 / 102

Every 1000 operating hours
BOMAG
74
BW 213 D-4
Check the valve clearance
l
Loosen the crankcase ventilation valve and
swing it to the side.
Fig. 106
l
Remove the valve cover (Fig. 106).
l
Crankshaft position as per "valve adjustment
schematic".
Fig. 107
l
Check valve clearance 2 (Fig. 107) between
rocker arm (1) and valve (3) with a feeler
gauge.
Intake valve = 0,3 mm
Exhaust valve = 0,5 mm
The feeler gauge must fit with little resistance.
l
If the gap is too narrow or too wide for the feel-
er gauge, the valve must be adjusted.
Adjusting the valve clearance
Fig. 108
l
Slightly slacken the counter nut. Adjust set-
screw 7 (Fig. 108) with a screwdriver, until the
feeler gauge (6) can be inserted and pulled out
with little resistance after retightening the
counter nut.
l
Perform tests and adjustments on all other ad-
justable valves.
l
Check the gasket of the valve cover, replace it
if necessary.
l
Reassemble the cylinder head cover.
l
Swivel the ventilation valve back to correct po-
sition and fasten it.
l
Fasten the air filter again and ensure correct fit
of combustion air hoses and clamps.