Cleaning, Checking The Spark Plug, Replacing If Necessary - Fayat BOMAG BT 60/4 Operating And Maintenance Instructions Manual

Maintenance every month
6.10 Cleaning, checking the
spark plug, replacing if nec-
essary
Danger
!
Danger of burning!
Let the engine cool down for approx. 15 min-
utes before unscrewing the spark plug.
Caution
!
In case of excessive combustion residues or
burned off electrodes replace the spark plug.
Do not use spark plugs with incorrect heat val-
ue. An incorrect spark plug can cause damage
to the engine.
Recommended spark plugs:
NGK: CR5HSB
Denso: U16FSR-UB
2
Fig. 38
Pull off the spark plug socket (1) (Fig. 38).
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Unscrew the spark plug using a 5/8 inch spark
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plug spanner.
42
Fig. 39
Check the spark plug (Fig. 39) visually and
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clean it if necessary.
Check the electrode gap with a feeler gauge, if
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necessary adjust the gap to 0.6 - 0.7 mm
(0.024 - 0,028 in).
Turn the spark plug carefully in by hand.
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Once the sealing surface of the new spark
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plug is in contact tighten for another 1/2 turn
with the spark plug spanner.
Once the sealing surface of the used spark
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plug is in contact tighten for another 1/8 to 1/4
turn with the spark plug spanner.
Press the spark plug socket back on.
l
1
541056
BOMAG
0,6 - 0,7 mm
0.024 - 0.028 in
BT 60/4, BT 65/4
541055