8
Maintenance
Cleanliness.
Always keep your compressor clean internally and externally. For oil lubricated
models change the oil regularly and keep all external surfaces clean. A clean
inside leads to good mechanical efficiency, a clean outside means better
dissipation of heat to the circulating air.
Pressure switch unloader valve. (not on fitted on all models)
On most pressure switches (usually black in colour) there is either a button or
rotary switch, which is used to turn the compressor on and off. This switch also
activates the unloader valve to relief pressure in the delivery pipe and cylinder
head to allow the motor to restart off load. Depress this button or turn the rotary
switch from time to time to ensure that the valve is working properly and
exhausting the air.
Suction Action (only on models with external air filters)
Gently place your hand over the air inlet filter, the change in inlet suction noise
should be heard. Poor suction would suggest a block air filter or damaged valves.
Also causing excessive load onto the motor.
Spare part lists and exploded drawings are available from your local distributors
or by calling the SIP technical support desk.
All warranty claims must be accompanied by proof of purchase.
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