Doosan P185WDOU-T4F, Operation And Maintenance Manual

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Operation & Maintenance Manual MAINTENANCE
the oil cooler core so that the entire cooling area can transmit the heat of the lubricating and
cooling oil to air stream.
In the event foreign deposits, such as sludge and lacquer, accumulate in the oil cooler to
the extent that its cooling efficiency is impaired, a resulting high discharge air temperature is
likely to occur, causing shut down of the unit. To correct this situation it will be necessary
to clean the cooler using a cleaning compound in accordance with the manufacturer’s
recommendations.
Compressor Oil
The lubricating and cooling oil must be replaced every 500 hours of operation or six (6)
months, whichever comes first. Refer to warranty section about extended warranty.
Receiver Separator System
High pressure air can cause severe injury or death from hot oil and f ying
parts. Always relieve pressure before removing caps, plugs, covers, or
other parts from pressurized air system.
• Open service valve at end of machine.
• Ensure pressure is relieved, with BOTH:
• Discharge air pressure gauge reads zero (0).
No air discharging from service valve.
Remove plug near bottom of separator tank to drain compressor oil.
When adding oil, remove and replace (make tight) plug on top of separator tank.
The life of the oil separator element is dependent upon the operating environment (soot,
dust, etc.) and should be replaced every twelve months or 1000 hours. To replace the
element proceed as follows:
• Ensure the tank pressure is zero (0).
• Unscrew separator element from manifold.
• Lubricate gasket with compressor oil. Install new element.
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