Gardner Denver PUREAIR EWD99E, Operating And Service Manual

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LUBRICANT MAINTENANCE INTERVAL - The recommended oil change interval is 2000 hours or one
year, whichever comes first, based on normal operating conditions. The refill capacity of the oil system is
5 gallons (19 liters).
NOTICE
IF OIL IS ANALYZED at the end of a maintenance interval (2000 hr. max.), and is
found in good condition, it may be used for the next 2000 hour interval – GD
provides free oil analysis services. OTHERWISE, IF OIL IS NOT ANALYZED at
the end of any interval, it must be changed.
Severe operating conditions (e.g., high humidity, long idle periods, etc.) may require shorter oil change
intervals. It is essential that a lubricant analysis program be followed to help define the oil change
intervals and protect the compressor against damage by contaminated lubricant.
Oil Filter Maintenance Interval - The oil filter element should be replaced when the oil is changed. The
screw-on type cartridge must be set firmly against the filter head (approximate 1/4 turn after making
contact) to avoid oil leaks.
Oil Breather (Gear Box) - The breather element should be cleaned whenever the oil is changed. To
service, unscrew the wing nut and remove the element. Cleanse the element in solvent and dry
completely before reassembling.
Oil Level Gauge (Figure 5-1) - The gauge pointer indicates the oil level in the sump.
•
Green Zone: Adequate oil level.
•
Red Zone: Insufficient oil, but wait until the pointer reaches the bottom of the zone to add oil.
•
Yellow Zone: Excessive oil level. Drain oil to correct.
CAUTION
The oil level gauge indicates accurate oil levels when the compressor is in
operation. Make sure to check for proper oil level with the compressor running.
Figure 5-1 – OIL LEVEL GAUGE