Doosan HP375WCU - Compressor Oil Separator Element; Removal; Lnspection; Reassembly

Operation & Maintenance Manual Maintenance
50
MACHINE in the OPERATING INSTRUCTIONS section of this manual) and
check for leakage before the machine is put back into service.
COMPRESSOR OIL SEPARATOR ELEMENT
Refer to the MAINTENANCE CHART in this section for the recommended servicing intervals.
If, however, the element has to be replaced, then proceed as follows:
Removal
WARNING
!
Do not remove the filter(s) without first making sure that the machine is
stopped and the system has been completely relieved of all air pressure.
(Refer to STOPPING THE MACHINE in the OPERATING INSTRUCTIONS
section of this manual).
Disconnect all hoses and tubes from the separator tank cover plate. Remove the drop-tube
from the separator tank cover plate and then remove the cover plate. Remove the separator
element.
lnspection
Examine the filter element. Examine all hoses and tubes, and replace if necessary.
Reassembly
Thoroughly clean the orifice/drop tube and filter gasket contact area before reassembly. Install
the new element.
WARNING
!
DO not remove the staple from the anti-static gasket on the separator
element since it serves to ground any possible static build-up. Do not use
gasket sealant since this will affect electrical conductance.
Reposition the cover plate, taking care not to damage the gasket, and replace the cover plate
screws tightening in a criss-cross pattern to the recommended torque (refer to the TORQUE
SETTING TABLE later in this section).
Reconnect all hoses and tubes to the separator tank cover plate.
Replace the compressor oil (refer to LUBRICATION later in this section).