Gardner Denver VST110 Operating And Service Manual page 23

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.
Air Filter - Inspect the air filters to be sure they are clean and the assemblies are sealed tight. Refer
2.
to Section 7, page 55 "Air Filter", for complete servicing instructions. Be sure the inlet lines are clean
and sealed tight.
Couplings - Check set screws for tightness. See Section 8, page 57.
3.
Piping - Refer to Section 2, page 14 "Installation," and make sure piping meets all
4.
recommendations.
Electrical - Check the wiring diagrams furnished with the unit to be sure it is properly wired. See
5.
Figure 4-4 thru Figure 4-11, pages 34 thru 41, for general wiring diagrams and Section 2, page 14
for installation instructions.
Grounding - Equipment must be properly grounded according to Gardner Denver Guidelines for
6.
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.
Rotation - Check for correct rotation of all electric motors:
7.
·
Use controller "JOG MODE" to bump compressor motors. Proper rotation (either stage) shall be
counterclockwise when facing the compressor shaft end.
·
Use controller "JOG MODE" to bump heat exchanger cooling fan. Proper rotation shall be
counterclockwise when facing rear of fan drive motor.
·
Use controller "JOG MODE" to bump enclosure (roof) ventilation fans. Proper rotation is
achieved when ventilation air is discharged through each roof vent.
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