Doosan D35C-5 - Replace Spark Plugs (G420 F(E);G424 I(E) Engine Only)

Maintenance Section
-243-
Replace Spark Plugs
(G420F(E)/G424I(E) Engine Only)
1. Disconnect Battery Cables.
2. Remove the ignition wiring harness.
3. Remove the ignition coil assy.
4. Remove spark plugs.
5. Gap the new spark plugs to the proper
specifications.
G420F(E) Engine : 0.7 ~ 0.8 mm
G424I(E) Engine : 0.8 ~ 0.9 mm
6. Apply anti-seize compound to the spark plug
threads and install.
G420F(E)/G424I(E) Engine : 25 N•m (18 Ib•ft)
WARNING
DO NOT OVERTIGHTEN THE SPARK PLUGS.
(1) Ignition wiring harness (2) Ignition Coil Assy (3) Spark plug
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