Checking Glow Plugs; Check Glow Plugs - Nanni T4.155 Workshop Manual

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WARNING:
• "New belt" means a belt that is installed in an engine and that has rotated
for less than 5 minutes.
• "Worn belt" means a belt that is rotated in an engine and that has turned
for at least 5 minutes.
• After installing a new drive belt, run the engine for at least 5 minutes and
verify the sag or the tension of the drive belt.

CHECKING GLOW PLUGS

REMARK: the resistance of glow plugs must be checked when the engine is
fitted. Avoid removing and reinstalling glow plugs as far as possible.

CHECK GLOW PLUGS

Use an ohmmeter to verify the continuity between the terminal and the earth of
each glow plug.
Resistance (measured cold): approx 0.65Ω
Replace any glow plug with a resistance greater than 1.0Ω
4 CYLINDERS WORKSHOP MANUAL 20/191