Section V- Servicing; Preparing For Maintenance Or Service; Safety - Quincy QSF Series Instruction Manual

Direct drive rotary screw air compressors
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Section V– Servicing

Preparing for Maintenance or Service

Never assume the compressor is ready for maintenance or service because
it is stopped. The automatic control may start the compressor at any time.
Death or serious injury may result.
The following procedure should be used for maximum safety when preparing for maintenance or service.
1. Disconnect and lockout the main power switch and hang a sign at the switch of the unit being
serviced.
2. Close shut-off valve (block valve) between receiver and plant air system to prevent any back up of
airflow into the area to be serviced. NEVER depend upon a check valve to isolate the system.
3. Open the manual vent valve and wait for the pressure in the system to be completely relieved
before starting service. DO NOT close the manual vent valve at any time while servicing.
4. Shut off water and depressurize system if water-cooled.
NOTE:
Only trained and qualified technicians should perform maintenance.

Safety

Safety procedures performed while servicing the compressor are important to both the service personnel
at the time of servicing and to those who may be around the compressor and the system it serves.
Listed below are some, but not all, procedures that should be followed:
Wait for the unit to cool before starting service. Temperatures may exceed at 180
compressor is working.
Clean up fluid spills immediately to prevent slipping.
Loosen, but do not remove, flange or component bolting. Then, carefully pry apart same to be sure
there is no residual pressure before removing the bolting.
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.
Unusual noise or vibration indicates a problem. Do not operate the
compressor until the source has been identified and corrected.
! WARNING !
! CAUTION !
Quincy Compressor – QSF Series
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