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8.9.2 Checking, adjusting the valve clearance
Preparations
Maintenance – Annually / every 250 operating hours
Protective equipment:
Special tool:
1.
Park the machine on a rubber mat.
2.
Start the engine
engine" on page 51.
3.
Run the machine at maximum speed for one minute.
4.
Check the base plate's frequency with a suitable measuring
instrument (e.g. Sirometer).
ð Nominal value:
data" on page 11
5.
Park the machine safely
in secured condition" on page 55.
6.
If frequency incorrect:
n
Check the engine speed.
n
Check the V-belt.
If necessary, contact our customer service.
n
NOTICE!
Danger of engine damage!
We recommend to have this work carried out by
trained personnel or our after sales service.
–
Before checking the valve clearance let the
engine cool down.
Protective equipment:
1.
Park the machine in secured condition
„Parking the machine in secured condition" on page 55.
2.
Let the engine to cool down to ambient temperature.
DRP40DX
n
Working clothes
n
Hearing protection
n
Safety shoes
Sirometer
n
Ä Chapter 6.2 „Starting the
Ä Chapter 2 „Technical
Ä Chapter 6.4 „Parking the machine
n
Working clothes
n
Protective gloves
Ä Chapter 6.4
77
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