Delta 66-750 instruction manual How to Stop, Pressure Release Valve The pressure

Check Valve: When the air compressor is operating, the check valve is "open", allowing compressed air to enter the air tank. When the air compressor reaches "cut-out" pressure, the check valve "closes", allowing air pressure to remain inside the air tank.

Pressure Release Valve: The pressure
release valve, located on the side of the
pressure switch, is designed to
automatically release compressed air from
	Pressure
the compressor head and the outlet tube
	Release
when the air compressor reaches "cut-out"	Valve
pressure or is shut off. The pressure release
valve allows the motor to restart freely.		Check Valve
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 continuous
leaking after unit reaches "cut-out"
pressure.
Air Intake Filter (not shown) This filter is

designed to clean air coming into the pump. This filter must always be clean and ventilation openings free from obstructions. See "Maintenance".

Motor Overload Protector: This motor has a manual thermal overload protector. If the motor overheats for any reason, the overload protector will shut off the motor. The motor must be allowed to cool down before restarting. To restart:

1.Place the On/Auto/Off lever in the Off postion.

2.Allow the motor to cool.

3.Depress the red reset button on the motor.

4.Place the On/Auto/Off lever in the On/Auto postion to restart the motor.

How to Use Your Unit

How to Stop:

1.Set the On/Auto/Off lever to "OFF".

Before Starting

Break-in Procedure

Serious damage may result if the following break-in instructions are not closely followed.

This procedure is required before the air compressor is put into service and when the check valve or a complete compressor pump has been replaced.

1.Make sure the On/Auto/Off lever is in the "OFF" position.

D26269 14-ENG