3.
Check the position of the decompression lever, if necessary
move it to the initial position.
4.
Remove the valve cover with the seal.
Valve clearance:
Intake valve (IN)
0.30 mm (0.012 in)
Exhaust valve (EX)
0.30 mm (0.012 in)
1.
Crank the engine, until the exhaust valve (EX) is fully open.
2.
Check the valve clearance on the intake valve (IN) with a
feeler gauge (1), adjust if necessary.
3.
Crank the engine further, until the intake valve is fully open.
4.
Check the valve clearance on the exhaust valve, adjust if
necessary.
Fig. 74
Fig. 75
Checking the valve clearance
Fig. 76
Maintenance – Annually / every 250 operating hours
BPR 70/70 D
83
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