Quincy Compressor QGD 40, Instruction Book

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6 Maintenance
6.1 Preventive maintenance schedule
Warning
Always apply all relevant Safety precautions .
Before carrying out any maintenance, repair work or adjustments, proceed as
follows:
• Stop the compressor.
• Close the air outlet valve and open the manual drain valve until the air system
between air receiver and outlet valve is fully depressurized.
• Press the emergency stop button.
• Switch off the voltage. Open and lock the isolating switch.
• Depressurize the compressor by opening the oil filler plug one turn.
Only pressing the emergency stop button is not sufficient to make the compressor
voltage free.
If the machine is equipped with an automatic restart after voltage failure function and if
this function is active, be aware that the machine will restart automatically when the
power is restored if it was running when the power was interrupted.
Warranty - Product Liability
Use only authorized parts. Any damage or malfunction caused by the use of unauthorized parts
is not covered by Warranty or Product Liability.
Service kits
For overhauling or carrying out preventive maintenance, service kits are available. Consult the
Spare Parts list for part numbers.
Service contracts
Your supplier offers several types of service contracts, relieving you of all preventive
maintenance work. Consult your customer center.
General
When servicing, replace all removed O-rings and washers.
Intervals
The local customer centre may overrule the maintenance schedule, especially the service
intervals, depending on the environmental and working conditions of the compressor.
The longer interval checks must also include the shorter interval checks.
Regular maintenance
Following actions have to be done on a regular basis:
Instruction book
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