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15. SERVICE AND MAINTENANCE
Vacuum pump V belt
Check the V belt every year or every 100 hours
operating time.
V belt size: M-23
Spark plug
Check the spark plugs.
1.
Remove the plug cap, and remove the plug.
2.
Use a wire brush or spark plug cleaner, clean the
electrode of the spark plug.
3.
Check the spark plug for excessive carbon deposits,
electrode erosion and check the washer for damage.
4.
Measure the spark plug gap. If the gap is out of
specification, replace the spark plug with the
specified spark plug.
If necessary, adjust the gap to the specification.
・
Spark plug gap : (0.8 ~ 0.9mm /0.03 ~ 0.04in)
・
Spark plug : DCPR6E (NGK)
5.
Assemble the spark plug as far as
ⓐ
by hand.
Tighten the plug further to the specified
torque using a plug wrench. (
ⓑ
)
・
tightening torque : 18 Nm[1.8 kgf-m]
V-belt
Spark plug cap
Washer
Electrode
Electrode
Washer
Spark plug gap
