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1975 Datsun 280z FSM - Spooled up Racing

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Air Conditioning<br />

AIR CONDITIONER OPERATION CHART<br />

Control lever position<br />

Operation<br />

AIR lever<br />

FAN lever<br />

TEMP lever<br />

Item<br />

Correct action<br />

1 to 4<br />

Cold<br />

Discharge air<br />

Air intake door<br />

Mode door<br />

Air temperature<br />

Vacuum cock<br />

Instrument - 100%<br />

Vacuum — OFF (Position of isolating<br />

outside air)<br />

Vacuum — OFF<br />

Cold<br />

Vacuum - OFF<br />

A/C<br />

Engine at<br />

idle<br />

FICD<br />

Magnet valve<br />

Compressor<br />

Magnet clutch<br />

Vacuum — ON *1<br />

Current - ON *1<br />

ON*l<br />

Current-ON *1<br />

*1 — (May be on or off by switching<br />

thermostat on or off)<br />

Blower motor<br />

OFF<br />

OFF<br />

Cold<br />

FICD<br />

Magnet valve<br />

Vacuum - OFF<br />

Current - OFF<br />

Compressor<br />

Magnet clutch<br />

OFF<br />

Current — OFF<br />

VENT<br />

Engine at<br />

idle<br />

1 to 4<br />

At any<br />

position<br />

Discharge air<br />

Air intake door<br />

Mode door<br />

Air temperature<br />

Vacuum cock<br />

Instrument - 100%<br />

Vacuum — ON (Position of admitting<br />

outside air)<br />

Vacuum — OFF<br />

Same as outside air<br />

Vacuum — OFF<br />

Magnet valve<br />

Current - ON<br />

BI-LEVEL<br />

Engine at<br />

idle<br />

1 to 4<br />

Hot<br />

1<br />

Cold<br />

Discharge air<br />

Air intake door<br />

Mode door<br />

Air temperature<br />

Vacuum cock<br />

Water cock<br />

Magnet valve<br />

Floor & Instrument<br />

Vacuum — ON (Position of admitting<br />

outside air)<br />

Vacuum — ON (1 step)<br />

Floor — warm-> cool<br />

Instrument — same as outside air<br />

Vacuum — ON<br />

Open—> closed<br />

Current - ON<br />

AC-48

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