1.
Loosen screw (3) on the rocker arm.
2.
Adjust the hexagon nut (2), until the feeler gauge (1) can be
inserted and pulled out with noticeable resistance after the
screw (3) has been tightened.
1.
Install the valve cover (2) with a new gasket.
2.
Tighten the fastening screws (1) evenly.
3.
Assemble covering (1) and air filter cover (2).
4.
After a short test run check the valve cover for leaks.
8.9.3 Changing the engine oil and cleaning the oil filter
NOTICE!
Danger of engine damage!
–
Change the oil only with the engine at oper-
ating temperature.
–
Use only oil of the permitted specification
Chapter 8.3.1 „Engine oil“ on page 65
–
Chapter 8.4 „List of fuels and
Adjusting the valve clearance
Fig. 70
Final work
Fig. 71
Fig. 72
Maintenance – Annually / every 250 operating hours
BPR 50/55 D
79
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