13-21-615 v01 Page 14
For aluminum oil coolers, do not use any cleaning solution that is not compatible
with aluminum. Use of improper solution may result in damage to the cooler.
If the compressor unit base is raised above floor level, the space between the
floor and the base bottom must be closed with solid material all around to prevent
recirculation of hot air from the oil cooler end and over temperature operation.
Do not operate the compressor with the fan and coupling guard removed.
Exposed fan and couplings may cause injury to personnel.
Water-Cooled Units
- The water-cooled unit with the standard enclosure requires sufficient air flow, Figure
2-2, for electric motor cooling. Air is drawn into the unit at the top of the enclosure and is exhausted at the
motor side. Do not block air flow to and from unit. Allow three and one-half (3-1/2) feet (1.1 m) to the
nearest obstruction on the starter end and control box side of the unit. Allow three (3) feet (.9 m) to the
nearest obstruction above and on other sides of the unit.
FOUNDATION
- The Gardner Denver Rotary Screw compressor requires no special foundation, but should
be mounted on a smooth, solid surface. Whenever possible install the unit near level. Temporary
installation may be made at a maximum 10
angle lengthwise or 10
sidewise.
Mounting bolts are not normally required. However, installation conditions such as piping rigidity, angle of
tilt, or danger of shifting from outside vibration or moving vehicles may require the use of mounting bolts
and shims to provide uniform support for the base.
OIL RESERVOIR DRAIN
- The oil drain is piped from the bottom of the reservoir with a ball valve and a
flexible hose.
ENCLOSURE
- The compressor, electric motor, oil cooler and aftercooler are mounted inside the
enclosure. Service doors are provided for maintenance access. Be sure to allow enough space around
the unit for the doors to open completely. Any of the enclosure doors may be removed by opening the door
and lifting it up slightly to disengage the hinges.
