Gardner Denver VS80A Operating And Service Manual page 21

Before removing the oil filler plug, always stop the unit and release air pressure,
lockout and tagout the power supply to the compressor package. Failure to release
pressure or properly disconnect the power may result in personal injury or death.
2. Air Filter - Inspect the air filter to be sure they are clean and the assembly is sealed tight. Refer to
Section 7, for complete servicing instructions. Be sure the inlet line is clean and sealed tight.
3. Couplings - Check setscrews for tightness. See Section 8.
4. Piping - Refer to Section 2, "Installation," and make sure piping meets all recommendations.
5. Electrical - Check the wiring diagrams furnished with the unit to be sure it is properly wired. See
Figure 4-3 and Figure 4-4, pages 31 and35, for general wiring diagrams and Section 2, for installation
instructions.
6. Grounding - Equipment must be properly grounded according to Gardner Denver Guidelines for
proper wiring, grounding and feed power conditioning.
Failure to properly ground the compressor package could result in controller
malfunction.
Read the Operator's Manual before operating the compressor.
7. Rotation - Check for correct rotation of all electric motors:
·
Use controller "JOG MODE" to bump compressor motor. Proper rotation shall be
counterclockwise when facing the compressor shaft end.
·
Use controller "JOG MODE" to bump heat exchanger cooling fan. Proper rotation shall be
clockwise when facing intake side of fan.
·
Use controller "JOG MODE" to bump main motor cooling fan. Proper rotation is achieved when
cooling air is discharged over the main motor body or when fan rotation matches that indicated
by the arrow decal affixed to the fan hub, as viewed via the serrated cutout on the fan shroud.
See Figure 3-1 for details.
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