Owners Manual - Air Compressors Direct

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Induction SystemAir IntakeA clean, cool and dry air supply is essential to the satisfactory operation of yourQuincy QT or PLT Series air compressor. The standard air filter that thecompressor is equipped with when leaving the factory is of sufficient size anddesign to meet normal conditions, when properly serviced, in accordance withthe maintenance section of this manual.If, however, the compressor is to be installed in a location where considerabledust, dirt and other contaminants are prevalent, consult your local Quincydistributor for advice and optional filters. A condensate trap must be installedas close as possible to the inlet filter if, as a result of installation or environmentalconditions, there is any risk of moisture forming in the inlet piping. It is theuser’s responsibility to provide adequate filtration for those conditions. Oilbath filters are not to be used. Warranty will be void if a failure is determinedto be caused by inadequate filtration.Remote Inlet Filters (does not apply to Xtreme cabinet units)Depending on the size of the compressor and the size and construction of theroom in which the unit operates, the air inlet may have to be located outside ofthe room. If it is necessary to remotely install the air filter, make the inlet pipingas short and direct as possible. Remotely installed air filters can lead tovibrations in the inlet piping. These vibrations can be minimized by adding apulsation dampener in the inlet piping between the remote inlet filter(s) andthe compressor.If the inlet is routed to outside atmosphere, the inlet piping should beequipped with a hooded air filter and designed to prevent condensate, water orsnow from being injested into the compressor.All inlet piping should be at least the same size (or larger) in diameter as theinlet connection to the compressor. For every 10 feet of inlet piping or every 90°bend, increase the inlet piping diameter by one pipe size. The inlet piping mustbe thoroughly clean inside. Remove all weld slag, rust or dirt. Galvanized pipewith threaded or flanged fittings is preferred.CAUTION !Never locate the compressor air inlet system where toxic, volatileor corrosive vapors, air temperatures exceeding 100°F, water, orextremely dirty air could be ingested. These types of atmospherescould adversely affect the performance of the compressor system.Compressed Air Discharge SystemThe discharge piping should be of the same diameter as the compressordischarge connection, or sized so that the pressure drop at any point in thesystem does not exceed 10% of the air receiver pressure. Install auxiliary airreceivers near heavy loads or at the far end of a long system. This will insuresufficient pressure if the use is intermittent, or sudden large demands areplaced on the system.Discharge piping should slope to a drop leg (refer to Fig. 3-8, Typical DropLeg & Component Location) or moisture trap to provide a collection pointQT & PLT SeriesQuincy Compressor50161-106, January 2009 20 3501 Wismann Lane, Quincy Ill. - 62305-3116
where moisture can be easily removed. All service line outlets should beinstalled above the moisture traps to prevent moisture from entering the toolor device using the air. Manual shutoff valves, protected by pressure reliefvalves, should be installed at all service line outlets to eliminate leakage whilethe tools are not in use.Fig. 3-8 Typical Drop Leg & Component Location Pix 1007-004As with any piping, all parts of the discharge piping should fit so as not tocreate any stress between the piping and components.Pneumatic Circuit Breakers or Velocity FusesThe Occupational Safety and Health Act (OSHA), Section 1926.303, Paragraph7, published in the Code of Federal Regulations 29 CFR 1920.1, revised July 1,1982 states that all hoses exceeding 1/2" inside diameter shall have a safetydevice at the source of supply or branch line to reduce pressure in case of a hosefailure”These pneumatic safety devices are designed to prevent hoses from whippingand/or the loss of hazardous or toxic gasses, all of which could result in aserious or fatal accident.WARNING !Never join pipes or fittings with lead-tin soldering. Welded orthreaded steel pipes and cast iron fittings, designed for the pressuresand temperatures, are recommended.Pressure VesselsAir receiver tanks and other pressure containing vessels such as (but notlimited to) pulsation bottles, heat exchangers, moisture separators and traps,must be in accordance with ASME Boiler and Pressure Vessel Code Section VIIIand ANSI B19.3 safety standards. They must be equipped with a properly sizedpressure relief valve, pressure gauge, tank drain, & manual shutoff valve (referQT & PLT SeriesQuincy Compressor50161-106, January 2009 21 3501 Wismann Lane, Quincy Ill. - 62305-3116
Page 1 and 2: QT ® & PLT ® Series2 Stage Compre
Page 3 and 4: Warranty StatementTrue Blue Warrant
Page 5 and 6: SECTION 1SAFETYSafety FirstAt Quinc
Page 7 and 8: The owner, lessor or operator of an
Page 9 and 10: enclosure, across the motor, compre
Page 11 and 12: Retain all containers and packing f
Page 13 and 14: Fig. 3-13 Phase Magnetic Motor Star
Page 15 and 16: Fig. 3-3Single Phase 5 hp-230V Econ
Page 17 and 18: Connect incomingpower lines at scre
Page 19 and 20: Fig. 3-7Start / Stop ControlPiping
Page 21 and 22: Fig. 3-9Dual Control with Pilot Val
Page 23: WARNING !Excessive compressor RPM
Page 27 and 28: WARNING !Oil and moisture residue m
Page 29 and 30: Step 12)Step 13)(Xtreme Units)-Make
Page 31 and 32: SECTION 5MAINTENANCE & LUBRICATIONS
Page 33 and 34: LubricationQT and PLT Series basic
Page 35 and 36: POCKET CLIPSLIDINGRUBBER O-RINGSDEF
Page 37 and 38: PILOT VALVE ADJUSTMENTSAll adjustme
Page 39 and 40: TroubleExcessive drive belt wearPro
Page 41 and 42: TroubleProbable CauseExcessive oil
Page 43 and 44: Typical QT & PLT Series Unit with V
Page 45 and 46: QT & PLT SeriesQUINCY COMPRESSORSTA
Page 48: Reciprocating / Systems: 217.222.77

Owners Manual - Air Compressors Direct

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