6C - 42 ENGINE FUEL
Adjustment of Idling Speed
1) Pull the parking brake and lock the wheels.
2) Set the transmission gear to the neutral position.
3) Start the engine and idle it until the water temperature
gets to 70 to 80°C (158 to176°F).
4) Turn back the idling control button, and remove the
control cable from the control lever (injection pump)
5) Set the engine tachometer.
6) Check the idling rotation.
When the idling rotation is outside the range of the
specified value, adjust it correctly.
Specified value (rpm) = 750 - 790 (4JB1)
700 - 740 (4JG2)
(1) Loosen the lock nut of the idling set bolt.
(2) Rotate the idling set bolt to set the idling rotation to the
specified value.
(3) Tighten the lock knut to lock the set bolt.
(4) Check the tension of the control cable, and remove
any slackening as required.
6C-41-1.tif
6C-41-2.tif
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