Idle Speed Adjustment; Airflow Meter Bypass And Adjustment - Winnebago 1987-1989 LeSharo Service Manual

ENGINE FUEL SYSTEM
ADJUSTMENTS
IDLE SPEED ADJUSTMENT
The idle speed adjustment screw is located at the air
bypass unit on the firewall.
WARNING
Useextreme caution when the engine is operating.
Do not stand in direct line with the fan. Do not put
your hands near the pulleys, belts or fan. Do not
wear loose clothing.
Start and allow the engine to reach normal
operating temperature.
Use test box Ms. 760.
Turn all accessories off.
Wait for the cooling fan to cycle ON then OFF.
Adjust the idle speed (adjustment screw 1) to
700-750 rpm in DRIVE with automatic transmission.
AIRFLOW METER BYPASS AND ADJUSTMENT
In the event of major engine overhaul or airflow
meter replacement, the bypass adjustment screw (2)
must be adjusted to obtain the correct air/fuel
mixture ratio.
WARNING
Useextreme caution when the engine is operating.
Do not stand in a direct line with the fan. Do not
put your hands near the pulleys, belts or fan. Do
not wear loose clothing.
CAUTION
Do not remove the cap and readjust the airflow
meter bypass screw unless involved in a major
overhaul, airflow meter replacement or the
presence of high idle CO has been determined by a
competent authority.
C6-1
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