Bomag BT 65 - Spark Plug Maintenance; Cleaning the Air Filter

BT50/BT60/BT65BOMAG24
4.8 Cleaning the spark-plug,
check, replace if necessary
Risk of burning!
Let the engine cool down for approx. 15 min-
utes before cleaning/changing the spark-plug.
Fig. 3
•
Pull the spark-plug socket off.
•
Unscrew the spark-plug, inspect the spark-plug
visually and clean if necessary (Fig. 3).
In case of excessive combustion residuals or
burned off electrodes replace the spark-plug, ob-
serve the correct heat value of the spark-plug.
•
Check the electrode gap with a feeler gauge, if
necessary adjust the gap to 0,5...0,7 mm.
Spark-plugs:
BT50/BT60
NGK BR 6HS = 0,6 ... 0,7 mm
WR 7 AC = 0,5 mm
BT 65
NGK BMR 6A = 0,6 ... 0,7 mm
WS 8E = 0,5 mm
BT 70
NGK BMR 6A = 0,6 ... 0,7 mm
WS 8E = 0,5 mm
4.9 Cleaning the air filter (more
frequently under dusty con-
ditions)
The contamination of the filter cartridge depends
mainly on the proportion of dust in the combustion
air drawn in .
Fig. 4
•
Remove the cover 1 (Fig. 4), take the filter
cartridge (2) carefully out.
Make sure that no dirt falls into the air chan-
nel.
Visual inspection/cleaning
•
Replace the filter cartridge if it is soiled with wet
or sticky dirt.
Eye injury!
Wear protective outfit (protective goggles,
gloves).
Maintenance every month
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