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Doosan D80 - Page 49

Doosan D80
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MAINTENANCE Operating & Maintenance Manual
Book: 46551819 (2-11-2011) Rev B 47
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 Systems
WARNING
!
High pressure air can cause severe injury or death from hot oil and flying 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.
Unscrew separator element from manifold.
Lubricate gasket with compressor oil. Install new element.

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