Service Manual

Table Of Contents
3
3.2 Initial commissioning
Operation
17
Trial run
After preparations, perform a short trial run up
to operating temperature (approx. 90 °C). Do
not apply load to the engine if possible.
z
Work with the engine not running:
Check engine for tightness.
Check oil level, re-fill oil if necessa-
ry
(
29
)
.
Check coolant level and refill coolant if
necessary
(
34
)
.
z
Work during the trial run:
Check engine for tightness.
Venting of the fuel system by operating
for 5 minutes at idle speed or low load
is absolutely necessary.