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Home >> Triumph >> 1972 >> Spitfire Not Available Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Exhaust Emission Systems >> Adjustments >> Vacuum Control Valve Adjustment
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Vacuum Control Valve Adjustment

With engine idling at correct specification, place a.030" feeler gauge between relay lever and plunger. Slide valve towards lever until plunger is fully depressed. Tighten locating bolts.

NOTE: Linkage between relay lever and accelerator pedal is adjustable for length. Relay lever stop is mounted on eccentric screw for fine adjustment.
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