Bomag BW 213 D-4 Operating Instructions, Maintenance Instructions page 73

Every 1000 operating hours
5.24 Check, adjust the valve
clearance
Caution
!
Before checking the valve clearance let the en-
gine cool down for at least 30 minutes. The en-
gine oil temperature must be less than 80 °C.
After a short test run check the engine for
leaks.
Valve adjustment schematic
Fig. 103
Valve 1 (Fig. 103) white = not adjustable
Valve (2) black = adjustable
BW 213 D-4
Fig. 104
Crankshaft position 1 (Fig. 104) (4 cylinder en-
gine)
Crank the engine with the starter or a spanner
l
by the V-belt pulley until both valves on cylin-
der 1 are "overlapping".
Overlapping means: Exhaust valve not yet closed,
intake valve starts to open.
Perform the adjustment of the valve by follow-
l
ing the adjustment diagram "crankshaft posi-
tion 1", black mark.
For control purposes mark the respective rock-
l
er arm with while chalk once the correspond-
ing valve is adjusted.
Fig. 105
Crankshaft position 2 (Fig. 105) (4 cylinder en-
gine)
Turn the crankshaft one revolution (360°) fur-
l
ther.
Perform the adjustment of the valve by follow-
l
ing the adjustment diagram "crankshaft posi-
tion 2", black mark.
B O M A G
E v e r y 1 0 0 0 o p e r a t i n g h o u r s
7 3