Maintenance every month
BOMAG
40
BT 60/4 BT 65/4
5.11 Cleaning, checking the
spark plug, replacing if nec-
essary
!
Danger
Danger of burning!
Let the engine cool down for approx. 15 min-
utes before cleaning/changing the spark plug.
Fig. 39
●
Pull the spark plug socket off.
●
Unscrew the spark plug, check the spark plug
visually and clean it if necessary (Fig. 39).
i
Note
In case of excessive combustion residuals or
burned off electrodes replace the spark plug, en-
sure correct heat value of the spark plug.
●
Check the electrode gap with a feeler gauge, if
necessary adjust the gap to 0.6...0.7 mm.
Spark plugs:
NGK: CR5HSB
Denso: U16FSR-UB
!
Caution
Do not use spark plugs with incorrect heat val-
ue.
5.12 Taper plate, tighten the
bolts
Fig. 40
●
Retighten the screws (Fig. 40).
Go
to
Discount-Equipment.com
to
order
your
parts