Annually; Replacing The Spark Plug; Checking, Adjusting The Valve Clearance - Fayat Group Dynapac DFP11 Operating Instructions Manual

Maintenance – Annually

8.8 Annually

8.8.1 Replacing the spark plug

Fig. 64

8.8.2 Checking, adjusting the valve clearance

84
NOTICE!
Danger of engine damage!
– Do not use spark plugs with incorrect heat
value.
Recommended spark plugs:
NGK
DENSO
Protective equipment:
Special tool:
1. Park the machine in secured condition
„Parking the machine in secured condition" on page 64.
2. Allow the engine to cool down for at least 15 minutes.
3. Clean the area around the spark plug.
4. Unscrew the spark plug using a 13/16 inch spark plug
spanner.
5. Check the electrode gap of the new spark plug with a feeler
gauge, if necessary, adjust the gap.
ð Nominal value: 0.7 - 0.8 mm (0.028 - 0.032 in)
6. Screw in the new spark plug carefully by hand.
7. Once the sealing surface of the new spark plug is in contact,
tighten for another 1/2 turn with the spark plug spanner.
Perform this maintenance work at the latest after
250 operating hours
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.
DFP11
BPR6ES
W20EPR-U
n Working clothes
n Protective gloves
n 13/16 inch spark plug spanner
Ä Chapter 6.5