Doosan GL08K - Page 29

Technical Information
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2.3.11. Spark plug
 Remove spark plug. Clean threads by
hand with brush and solvent.
 Clean any deposits from electrode and
Inspect insulator area
 Measure the spark plug distance at
electrode position.(A)
 Replace spark plug if necessary.
 Install spark plug
Standard
Distance (A) 0.39 ~ 0.40 mm
Torque 2.04 ~ 4.08 kg
• m
A
EB3O310I
ED4OM056
New spark plug
Electrode surfaces not parallel
Eroded electrode
Flashover on insulator