8.8 Annually
8.8.1 Replacing the spark plug
NOTICE!
Danger of engine damage!
–
Do not use spark plugs with incorrect heat
value.
Recommended spark plugs:
NGK
BPR6ES
DENSO
W20EPR-U
Protective equipment:
n
Working clothes
n
Protective gloves
Special tool:
n
13/16 inch spark plug spanner
1.
Park the machine in secured condition
„Parking the machine in secured condition“ on page 57
.
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.
8.8.2 Checking, adjusting the valve clearance
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.
Fig. 59
Maintenance – Annually
DRP20
76
Summary of Contents for DRP20
Page 2: ...2...
Page 6: ...Table of contents DRP20 6...
Page 7: ...1 Introduction Introduction DRP20 7...
Page 11: ...2 Technical data Technical data DRP20 11...
Page 15: ...3 Concerning your safety Concerning your safety DRP20 15...
Page 39: ...4 Indicators and control elements Indicators and control elements DRP20 39...
Page 42: ...Indicators and control elements Engine DRP20 42...
Page 43: ...5 Checks prior to start up Checks prior to start up DRP20 43...
Page 49: ...6 Operation Operation DRP20 49...
Page 59: ...7 Loading transporting the machine Loading transporting the machine DRP20 59...
Page 64: ...Loading transporting the machine Transport wheels DRP20 64...
Page 65: ...8 Maintenance Maintenance DRP20 65...
Page 99: ...9 Troubleshooting Troubleshooting DRP20 99...
Page 106: ...Troubleshooting What to do if the engine has flooded DRP20 106...
Page 107: ...10 Disposal Disposal DRP20 107...
Page 109: ...11 List of special tools List of special tools DRP20 109...
Page 111: ......
Page 112: ......