Daikin GYEQ20AN Service Manual page 228

Maintenance
4
Replacing the spark plug
Part name Spark plug
Tools/materials Plug wrench (hexagon head: 16 mm), thickness gauge
Step
(1) See "Basics" (page 213)
(2) Remove the high volt-
age cord
(3) Remove the spark plug Use a plug wrench to remove the plug.
(4) Replace the spark plug
(Install a new spark
plug)
(5) Connect the high volt-
age cord
Clearance
217
1. Caution: The parts remain hot for some time after stopping the
engine.
2. Pull the cord out straight.
1. Check the gap using a thickness gauge.
Standard gap value: 0.45
2. First tighten the plug by hand and finally tighten it with a plug wrench.
Standard tightening torque value: 24 to 34 N·m
Plug in the cord until a click is heard.
Electrode of spark plug
Side electrode
Task
+0
mm
-0.1
Spark plug installation
Center
electrode
025960-00E
Plug wrench
Tighten the plug with a plug wrench.
SiAUY361411EA
Remarks
• Prevent burns.
• Take care not to
damage the connecting
portion.
• Take care not to hit your
hands against
surrounding parts when
pulling out the cord.
Take care not to drop and
damage the plug.
Take care not to damage
the engine-side thread
ridges.
Make sure that the
connections are correct.
Fasten manually
025961-00E
Maintenance / Service Data