Bomag BW 213 D-4 Operating Instructions, Maintenance Instructions page 74

E v e r y 1 0 0 0 o p e r a t i n g h o u r s
Check the valve clearance
Loosen the crankcase ventilation valve and
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swing it to the side.
Fig. 106
Remove the valve cover (Fig. 106).
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Crankshaft position as per "valve adjustment
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schematic".
Fig. 107
Check valve clearance 2 (Fig. 107) between
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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.
If the gap is too narrow or too wide for the feel-
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er gauge, the valve must be adjusted.
7 4
Adjusting the valve clearance
Fig. 108
Slightly slacken the counter nut. Adjust set-
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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.
Perform tests and adjustments on all other ad-
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justable valves.
Check the gasket of the valve cover, replace it
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if necessary.
Reassemble the cylinder head cover.
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Swivel the ventilation valve back to correct po-
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sition and fasten it.
Fasten the air filter again and ensure correct fit
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of combustion air hoses and clamps.
B O M A G
BW 213 D-4