Warm-Up Sensor Adjustment

NOTE: Adjustment must be made when engine is cold.

Remove air cleaner housing. Press out the air regulating cone, using a screwdriver, until retaining plate (Tool 6073) may be inserted into groove in air regulating cone (see illustration). Distance marked "A" must be ***.102±.012" (2.6±.3 mm). Make adjustment for this measurement with plate nut "1". Adjust idle speed.

Fig 1: ACCELERATOR LINKAGE ADJUSTMENT
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Fig 2: WARM-UP SENSOR ADJUSTMENT (ENGINE COLD)
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NOTE: Next checking sequence is made with engine at normal operating temperature.

Air regulating cone must project ("A") by 0.035 - 0.39" (9-10 mm). Distance "B" should be 0.157" (4 mm). Grub screw ("1") must be in full contact with stop screw ("2"). If these values are not reached, the thermo-element is defective and the warm-up sensor must be replaced.

CAUTION: Never loosen closure nut ("4") or the sensor sleeve will turn, causing air slot and outlet bore to misalign, resulting in lack of auxiliary air to engine during warm up.

Fig 3: SETTING REGULATING LEVER

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