Compressor Controls; Motor Reset And Wiring - Craftsman 921.16475 Manual Del Usuario

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Pressure Switch (see A)

This switch turns on the compressor. It is operated manually,

but when in the AUTO position, it allows the compressor to start

up or shut down automatically, without warning, upon air demand.

ALWAYS set this switch to OFF when the compressor is not

being used, and before unplugging the compressor.

Tank Safety Valve (see B)

Used to allow tank pressure to escape into the atmosphere.

If the pressure switch does not shut off the compressor at it's

"cut-out" pressure setting, the safety valve will protect against

high pressure by releasing tank pressure at it's factory set

pressure (slightly higher than the pressure switch "cut-out"

setting). To operate manually, pull the ring on the valve to relieve

air pressure in the tank.

Pressure Release Valve (see C)

The pressure release valve (located on the bottom of the

pressure switch), is designed to release compressed air from the

compressor head and outlet tube when the compressor reaches

"cut-out" or is shut off. The pressure valve allows the motor to

restart freely. When the motor stops running, air will be heard

escaping from this valve for a few seconds. No air should be

heard leaking when the motor is running or after brief release

after reaching "cut-out" pressure.

Tank Pressure Gauge (see D)

This gauge measures the pressure level of the air stored in

the tank. It is not adjustable by the operator, and does not

indicate line pressure.

Air Pressure Regulator (see E)

This air pressure regulator enables you to adjust line

pressure to the tool you are using.

WARNING:

Never exceed the maximum working

pressure of the tool.

Turn the knob clockwise to increase pressure, and

counterclockwise to decrease pressure.

MOTOR RESET SWITCH

WARNING:

Ensure that all guards and shrouds are in

place before pressing the reset switch to restart the

motor.

If the motor shuts down because of overload, wait 10–15

minutes so the motor can cool down, then press (NEVER force)

the reset switch (see G) to restart the motor (see Fig. 4).

NOTE: Some models are equipped with a dual voltage

motor 115/230 volt. Most models are factory wired

for 115 volt operation. If conversion from 115 volt

to 230 volt is required, refer to the motor

nameplate and have the conversion performed by

a Licensed Electrician.