Quincy Rotary Screw Belt Drive Air Compressor QSB-25-HP-A

Ensure maintenance is performed by trained and qualified technicians only.

Is there any unusual noise or vibration from the compressor?

Wait for the unit to cool before starting service.

Clean up any fluid spills immediately.

Loosen, but do not remove, flange or component bolts to check for residual pressure.

Use safety solvents for cleaning air filters or compressor parts.

NOTICE: Maintenance should be performed by trained and qualified technicians only.

CAUTION: Unusual noise or vibration indicates a problem. Do not operate the compressor until the source has been identified and corrected.

Wait for the unit to cool before starting service. Temperatures may exceed 180°F when the compressor is operating.

Clean up fluid spills immediately to prevent slipping.

Loosen, but do not remove, flange or component bolts. Carefully pry apart to be sure there is no residual pressure before removing bolts.

Never use a flammable solvent such as gasoline or kerosene for cleaning air filters or compressor parts.

Safety solvents are available and should be used in accordance with their instructions.

Check roll pin indicator position in slot and replace V-belts if at or near allowable travel.

Belt Drive Inspection Procedure

Ensure maintenance is performed by trained and qualified technicians only.

Is the unit cooled down before starting service?

Clean up any fluid spills immediately to prevent slipping.

Loosen, but do not remove, flange or component bolts to check for residual pressure.

Are safety solvents used instead of flammable solvents for cleaning?

Go over unit and check all bolts for tightness.

Ensure the Belt Tension Tester (P/N 142645) is available

Rotate pulleys a minimum of 2 revolutions before taking measurements

Select method to position large o-ring

Apply force at center of span (t) with tester perpendicular to span

Remove the screws attaching control to door of enclosure

Remove and discard wire tie-wraps

Identify individual wire location before removing any wiring from the electronic control

Refer to the electrical wiring diagram

Install new electronic control panel

Install wiring in accordance with electrical wiring diagram