Discovery I (LJ) V8-3.9L (1994)
Pick-up Gap Adjustment
4. The air gap between the pick-up limb and reluctor teeth must be set within the specified limits, using a non-ferrous feeler gauge.
5. If adjustment is necessary, slacken the two barrel nuts to set the air gap.
NOTE:
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When the original pick-up and base plate assembly has been refitted, the air gap should be checked, and adjusted if necessary.
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When renewing the assembly the air gap will require adjusting to within the specified limits.
6. Before fitting the module, apply MS4 Silicone grease or equivalent heat conducting compound to the amplifier module backplate, the seating face
on distributor body, and both faces of the heatsink casting.