Other information:
Inspection
NOTE:
Dropped spark plugs should always be discarded.
Unfired
An unfired spark plug should appear very clean
with a pure nickel finish to the threads and ground strap. The center
electrode ceramic insulator surface is often a matte or dull finish and
pure white in color. The external primary insulator is often a polished
white ceramic with appropriate stamping ..
Activation
NOTE:
Compressor with a spring rubber clutch shown others similar.
Check the A/C clutch air gap at 3 equally spaced places between the clutch plate and the A/C clutch pulley. Refer to Specifications in Group 412.
Remove the A/C clutch. Refer to Air Conditioning A/C Clutch and Air Conditioning A/C Clutch Field Coil procedure in Group 412.
..