Dynapac DR6X - Page 97

Protective equipment:
n
W
orking clothes
n
Protective gloves
Special tool:
n
16 mm spark plug spanner
1.
Park the machine in secured condition
Ä Chapter 6.4
„Parking the machine in secured condition“ on page 55.
2. Allow the engine to cool down for at least
15 minutes.
3. Pull of
f the spark plug connector (1).
4. Clean the area around the spark plug.
5. Unscrew the spark plug with a
16 mm spark plug spanner
(2).
6. Check the condition of the spark plug, clean if necessary
.
7. In case of excessive combustion residues or burned of
f elec-
trodes, replace the spark plug
Ä Chapter 8.9.2 „Replacing
the spark plug“ on page 81.
8. Check the electrode gap of the spark plug with a feeler
gauge, if necessary
, adjust the gap.
ð
Nominal value: 0.6 - 0.7 mm (0.024 - 0.028 in)
9. Carefully screw in the spark plug by hand.
10. Once the sealing surface of the used spark plug is in contact,
tighten for another
1/8 to 1/4 turn with the spark plug
spanner.
Fig. 116
Fig. 117
Maintenance – As required
DR6X
97