Owners Manual - Air Compressors Direct

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to Fig. 3-8, Typical Drop Leg & Component Location).WARNING !Follow ASME code for air reciever tanks and other pressure containingvessels. Pressure vessels must not be modified, welded,repaired, reworked or subjected to operating conditions outsidethe nameplate ratings. Such actions will negate code status, affectinsurance status and may cause property damage, severe injury oreven death.A drain valve should be located in the bottom of the air receiver to allow formoisture drainage. An automatic drain valve is recommended. Extend pipingaway from the unit and any personnel in the immediate area to provide safe andconvenient removal of excess moisture.If the air receiver is going to be subject to temperatures of 32°F or below,provisions must be made to guard against freezing of the pressure relief valves,check valves, pressure gauge, and moisture drain.CondensationRust can form inside the crankcase and on internal components as a result ofcondensation. A compressor must operate long enough during each run cycleto reach full operating temperature in order to reduce the risk of condensation.CAUTION !Lubricant that appears milky on the dipstick may have mixed withcondensate. Failure to replace contaminated lubricant will resultin damage to the compressor and may void warranty.30 PSIGCondensation can also form in the air tank of yourcompressor. When this happens, a mixture of air andmoisture will be expelled through the service valve andinto whatever is connected to the valve (e.g. air hoses,metal air lines, pneumatic tools, spray guns). An in-linefilter or dryer, available from your local Quincy distributor,may be required to eliminate the moisture.Fig. 3-9 Internal Drain TubePix 1224Condensation in the air tank can be kept to a minimumby draining the tank on a daily basis. This alsoreduces the risk of rust developing and weakening thetank.Manual Tank Drain Valve OperationThe manual tank drain valve on portable compressors and some stationarycompressors is located on the underside of the air tank. Portable compressorscan be tilted in the direction of the drain to allow removal of tank moisture.Some tanks use an internal drain tube (Refer to Fig. 3-9, Internal DrainTube) to drain the moisture. Tank pressure is required to force moisture outof the tank through the drain tube. Safe removal of tank moisture from the airtank is dependent upon an internal tank pressure of no more than 30 PSIG.Higher internal tank pressures are dangerous and could cause serious injury!QT & PLT SeriesQuincy Compressor50161-106, January 2009 22 3501 Wismann Lane, Quincy Ill. - 62305-3116
WARNING !Oil and moisture residue must be drained from the air receiverdaily or after each use. Accumulations of oil residue in the receivercan be ignited by embers of carbon created by the heat of compression,causing an explosion, damage to property and injury to personnel.WARNING !Do not open a manual tank drain valve on any air tank containingmore than 30 PSIG of air pressure!WARNING !Never attempt to relieve an air tank by removing a pipe plug or anyother system component!Fig. 3-10 Checking Pressure Relief Valves& Relieving System PressurePix 1160Manually Draining An Air Tank:Step 1) Disconnect & lockout the compressor from thepower source (electric models) or disconnect the sparkplug wire from the spark plug (gas engine models).Step 2) Tanks subjected to freezing temperatures maycontain ice. Store the compressor in a heated areabefore attempting to drain moisture from the tanks.Reduce the air pressure in the tank to 30 PSIG bypulling the pressure relief valve ring (refer to Fig. 3-10,Checking Pressure Relief Valves & RelievingSystem Pressure).Step 3) Open the drain valve and allow the moistureand air mixture to drain from the tank.Step 4) Once the moisture has been completely drained,close the drain valve.QT & PLT SeriesQuincy Compressor50161-106, January 2009 23 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 and 24: WARNING !Excessive compressor RPM
Page 25: where moisture can be easily remove
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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