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52
MAINTENANCE
6.8
AIR/OIL SEPARATOR
The separator element should be replaced every 4,000
hours (or once a year) or if fault E:0809, A:2808 or A:4806
is shown on the microprocessor
. Refer to
Figure 6-4
.
The separator element is located in the top side of the
sump tank under the tank lid. To replace the element,
access panels have been supplied in the roof. by opening
the enclosure roof, overhead access and external light is
available.
6.8.1
REMOVAL
1.
2.
Remove the scavenger line between the tank lid and
the top of the sight glass which is held in by tube
fittings.
3.
Next disconnect tube lines connected to the lid or MPV.
Mark the ends for proper reinstallation.
4.
Disconnect the main air piping between the MPV and
the cooler.
5.
After all connections have been severed, remove all lid
bolts. Removal of the lid is at hand since the element is
under the lid.
6.
Carefully remove the lid to gain access to the separator
element.
7.
With lid out of the way, remove the old element and
discard in accordance to local codes
6.8.2
INSTALLATION
1.
Clean the top of the tank and the bottom side of the lid
to ensure clean installation of new element.
2.
Inspect the new element to verify that staples are in
the gaskets and there are no punctures.
WARNING!
DO NOT REMOVE STAPLES! The air/oil separator is supplied with staples in the gaskets to ground the
separator to the sump tank in order to prevent flash fires created by build-up of static electricity.
3.
Carefully place the lid into position onto the separator
element. Ensure that the bolt holes are aligned.
4.
Replace the lid bolts and tight all by hand. Following
the tightening sequence found in
Figure 6-5
, tighten
the bolts to initial 25 ft-lb and refer to
6.4 Bolt Torque
Guidelines
for bolt torque specifications.
WARNING!
DO NOT OVERTIGHTEN AS DAMAGE TO SEPARATOR
ELEMENT CAN RESULT.
5.
Replace MPV air piping assembly. Tighten hardware
properly to specification.
6.
Replace control line tubing. Make sure all connections
are tight.
7.
Replace scavenger line tube into the lid connection and
then into the scavenger line sight glass tube connector.
Tighten this connection first, then tighten the tank lid
connector.
8.
Start compressor and verify no leaks and scavenger line sight glass has fluid flow.
Separator
Element
Sump
Tank
Sump
Tank
Lid
FIGURE 6-4.
SEPARATOR ELEMENT REPLACEMENT
FIGURE 6-5.
TANK TORQUE SEQUENCE
Summary of Contents for UD Series
Page 6: ...vi About This Manual ...
Page 12: ...4 Introduction ...
Page 42: ...34 Component Description ...
Page 52: ...44 Operation ...
Page 66: ...58 Troubleshooting ...
Page 74: ...66 Parts Catalog 8 5 COMPRESSOR FRAME AND DRIVE ASSEMBLY Figure 8 1 AS801 25UD 50UD VFD R00 ...
Page 76: ...68 Parts Catalog 8 6 CONTROL ASSEMBLY OPEN Figure 8 2 1072190415 609 R00 ...
Page 78: ...70 Parts Catalog 8 7 STARTER ASSEMBLY ENCLOSED Figure 8 3 AS802 405060 PANEL R03 ...
Page 94: ...86 Parts Catalog 8 15 COOLING ASSEMBLY AIR COOLED Figure 8 11 AS804 50UDAC INLINE R00 ...
Page 100: ...NOTES ...
Page 101: ...NOTES ...