Crankcase Breather - Speedaire 40JL42 Manual De Instrucciones De Operación Y Lista De Partes

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OPERATING INSTRUCTIONS (CONTINUED)

9. On cold weather start-up, run unit unloaded for 10-20 minutes to warm up compressor and engine.

10. Some vibration is common for the first 2 to 3 hours of operation. This vibration will decrease after the belt and

pulley seat.

If the compressor is run under humid conditions for short periods of

time, the humidity will condense in the crankcase and cause the oil

to look creamy. Oil contaminated by condensed water will not provide

adequate lubrication and must be changed immediately. Using

contaminated oil will damage bearings, pistons, cylinders and rings

and is not covered under warranty. To avoid water condensation in the

oil, periodically run the compressor with tank pressure at 20 psi under

maximum pressure setting by opening the drain cock (see Figure 8)

or an air valve connected to the tank or hose. Run the pump for an

hour at a time at least once a week or more often if the condensation

reoccurs.

All lubricated compressor pumps discharge some condensed water and oil with the compressed air. Install appropriate

water/oil removal equipment and controls as necessary for the intended application.

All moving parts must be guarded.

Continuous Run Operation

Continuous run operation is designed for gasoline engine units to ensure the required air pressure is always

available and to eliminate the need for frequent starting. The engine and the pump continuously run to keep the

air tank at maximum operating pressure.

Idle Down/Unloading

This unit is equipped with idle down/unloading control. To check operation:

1. Close shut-off valve. See Figure 4.

2. Start compressor and allow pressure to reach proper limit of unloader (See Figure 7) which is set at 135 psi. At

this point, the compressor should unload through the breather bushing on unloader and the engine should idle

down.

3. Open shut-off valve and allow pressure in tank to drop to lower limit of unloader which is preset at 110 psi. At

this point the unloader should close allowing the compressor to begin loading the tank instead of discharging

through the breather bushing.

4. Do not alter pressure settings on unloader or governor setting on engine. If lower pressures are required this

should be accomplished with a separate pressure regulator after the outlet valve. Compressor has a maximum

operating pressure limit of 135 psi and should not be operated beyond this limit.