Quincy Rotary Screw Belt Drive Air Compressor QST-50-HP-W

Ensure maintenance is performed by trained and qualified technicians only.

Wait for the unit to cool before starting service.

Clean up fluid spills immediately to prevent slipping.

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

Use safety solvents for cleaning air filters or compressor parts.

Monitor all gauges and indicators for normal operation.

Check fluid level in the 'run' area on the dial gauge or sight gauge.

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

Rotate pulleys a minimum of 2 revolutions before taking measurements

Choose method to position the large o-ring

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

Disconnect conduit from elbow of probe

Cut wires and remove probe from the discharge end of the airend

Install new probe into discharge tube

Connect wires of new probe to existing wires using suitable splice and insert into conduit

Connect conduit to elbow of probe

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 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.

Carefully pry apart to ensure no residual pressure before removing bolts.