49
MAINTENANCE
REMOVE OLD LUbRICANT
1.
2.
Remove the drain plug from the end of the drain line at the bottom of the sump tank.
3.
Open the drain valve and allow all oil to drain. Discard in an approved manner.
4.
Remove any remaining oil by splitting the discharge pipe at the compressor unit.
5.
Remove oil filter element.
FLUSH COMPRESSOR
1.
Pour as much flush lubricant into the inlet as was removed from the compressor.
2.
Add flush lubricant to the sump tank to maximum fill level.
3.
Install the oil filter element and jog compressor.
4.
Run the compressor at normal operating conditions for a minimum of two days and up to two weeks.
5.
Draw an oil sample to check the appearance of the flush lubricant. The sample should be clear. If not,
drain flush lubricant and refill. Run for two additional days. When the sample is clear, proceed to the
next step.
ADD NEW LUbRICANT
1.
Drain flush lubricant.
2.
Change oil filter element. Refer to
procedures.
3.
Change separator element. Refer to
procedures.
4.
Add desired new lubricant. Check for leaks and top off the lubricant.
6.6
OIL SAMPLE FOR ANALYSIS
The first oil sample should be drawn after the compressor has run for 1,000 hours or 3 months. Intervals
for following oil samples will be determined by the analysis results.
SAMPLE OIL FROM SUMP TANK
1.
Run the compressor long enough to reach normal operating temperatures.
2.
3.
Remove the drain plug from the end of the drain line at the bottom of the sump tank.
4.
Open the drain valve and drain any water from the sump tank. Discard in an approved manner.
5.
Fill the clear sample bottle (
2
) with oil. The sample bottle (
2
) must be at least one-third full.
6.
Close the drain valve and replace the plug in the drain line.
7.
Start the compressor according to
procedures.
8.
Check the oil level during operation. Add oil if necessary according to
procedures.
FIGURE 6-1.
OIL ANALYSIS KIT (P/N K00031-005)
(
1
)
(
2
)
(
3
)
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 ...
