Quincy Compressor QR-25 Series Instruction Manual Download Page 38 | Manualshive

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QR-25 Series

Quincy Compressor

52201-105, May 2003

34

3501 Wismann Lane, Quincy IL - 62305-3116

Typical QR-25 Unit with Vertical Receiver

Typical QR-25 Unit with Horizontal Receiver

Decal Locations

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Summary of Contents for QR-25 Series

Page 1: ...ty information and should be made available to all personnel who operate and or maintain this product Carefully read this manual before attempting to operate or perform maintenance on this compressor...

Page 2: ...bought your compressor place you bought your compressor place you bought your compressor place you bought your compressor Your basic compressor will have the same coverage for the Your basic compress...

Page 3: ...t whichever occurs first This includes labor and approved travel All warranty travel expense will be paid to the nearest authorized repair center ReplacementParts ReplacementParts ReplacementParts Rep...

Page 4: ...SECTION 4 SECTION 4 SECTION 4 SECTION 4 ST ST ST ST STAR AR AR AR ART UP OPERA T UP OPERA T UP OPERA T UP OPERA T UP OPERATION TION TION TION TION Pre StartingChecklist 18 Initial Starting Operating 1...

Page 5: ...instructionmanual aswellasanyinstructionssupplied by manufacturers of supporting equipment should be read and understood prior to starting the compressor If there are any questions regarding any part...

Page 6: ...pressor and installation site prior to starting the compressor Do not operate a Quincy Compressor in excess of 250 PSIG unless it has been tested and certified for high pressure application by Quincy...

Page 7: ...s an all inclusive list the observance of which will prevent all damage to property or injury to personnel Everyefforthasbeentakentoensurethatcompleteandcorrectinstructions have been included in this...

Page 8: ...oke theintakevalvecloses and air is trapped in the cylin der The air is then compressed in the cylinder during the upstroke of the piston Total compression from atmospheric pressure to the final disch...

Page 9: ...dels Fan blades of the compressor sheave force ambient air across fins of the cylinder head s and intercooler fins of two stage compressors to cool the compressor QR 25 series compressors are normally...

Page 10: ...ompressor with no added control features Control Version L Consists of unloader tower s located on the head of the compressor a hydraulic unloader mounted on the bearing carrier and a pressure switch...

Page 11: ...rol Version This version is recommended wherever the degree of demand and usage is variable The manual shutoff allows for the selection of either start stop or continuous run control In either situati...

Page 12: ...ad the pressure relief valve nameplate to be sure it does not exceedtheworkingpressureshownonthecompressororanyother component in the system Step 6 Read and understand the safety precautions contained...

Page 13: ...t space needs to be provided around the compressor for safe and proper inspection cleaning and maintenance The compressor must not be installed closer than 24 inches to a wall or anothercompressor Thi...

Page 14: ...on electric motor wiring and all electrical controls must be in accordance with NFPA 70 National Electric Code National Electric Safety Code state and local codes Failure to abide by the national stat...

Page 15: ...your system Call your local Quincy Distributor for quality parts and professional advice Drive Pulleys Sheaves Various pulley and sheave combinations are available to obtain the desired air pressure a...

Page 16: ...QR 25 Series Quincy Compressor 52201 105 May 2003 12 3501 Wismann Lane Quincy IL 62305 3116 Wiring Schematic 1744A Three Phase Magnetic Motor Starter...

Page 17: ...QR 25 Series Quincy Compressor 52201 105 May 2003 13 3501 Wismann Lane Quincy IL 62305 3116 Wiring Schematic 1744B Single Phase Magnetic Motor Starter...

Page 18: ...valves must be provided to protect compressed air systems in accordance with ASME B19 safety standards Failure to provide properly sized pressure relief valves may cause property damage severe person...

Page 19: ...ressure if the use is intermittent or sudden large demands are placed on the system Discharge piping should slope to a drop leg refer to Fig 3 2 Typical Drop Leg Component Location or moisture trap to...

Page 20: ...ditions outside the nameplate ratings Such actions will negate code status affect insurance status and may cause property damage severe injury or even death A drain valve must be located in the bottom...

Page 21: ...e tank through the drain tube Safe removal of tank moisture from the air tank is dependent upon an internal tank pressure of 20 to 30 PSIG no more than 30 PSIG Higher internal tank pressures are dange...

Page 22: ...2 Check lubricant level in crankcase Refer to SECTION 5 Lubrication for quantity and types of lubricant to be used Step 3 Check motor pulley and compressor sheaves for alignment and tightness on shaf...

Page 23: ...brationandstrangenoises Ifeitherexist stop the compressor Refer to SECTION 6 Troubleshooting for help in determining the cause of such problems If you are starting a pressure lubricated model check th...

Page 24: ...Draining An Air Tank and moisture trap if so equipped Step 3 Turn on cooling water watercooled units Step 4 Jog the starter button and check compressor rotation Note Continuous Run Units Prior to sta...

Page 25: ...lug to relieve the pressure Step 4 Shut off the water cooling supply watercooled versions Step 5 Open all manual drain valves within the area to be serviced Step 6 Wait for the unit to cool before sta...

Page 26: ...ver occurs first change more frequently in harsher conditions Inspect compressor valves for leakage and or carbon build up The oil sump strainer screen inside the crankcase of pressure lubricated mode...

Page 27: ...F lower than the minimum expected ambient temperature Pulley Sheave Alignment Belt Tension Improper pulley sheave alignment and belt tension are causes for motor overloading excessivevibration andpre...

Page 28: ...ce of a drive belt from pulley to sheave Step 4 At the center of the span perpendicular to the belt apply pressure to the outer surface of the belt with a belt tension gauge refer to Fig 5 2 Belt Tens...

Page 29: ...top the unit Screw the springloadedadjustmentscrewout counterclock wise to decrease the amount of air pressure re quired to open the switch and stop the unit StandardpressureswitchessuppliedbyQuincy C...

Page 30: ...and relocate it in the opposite bottom hole See Fig 5 5 Relocating Countersunk Pipe Plug Failure to relocate this pipe plug will result in complete loss of oil flow throughout the compressor Compress...

Page 31: ...recommended maximum pressure will void the warranty and may cause personal injury Setting Unload Pressure Step 1 Flip the toggle to the PRONE position or turn the knurled knob if so equipped counterc...

Page 32: ...ectly sized for the altitude it is operating at Piston rings not seated allow 100 hours at full pressure Water in the crankcase Compressor does not run long enough to get hot and vaporize the liquids...

Page 33: ...er too small and unloads excessively Compressor valves or unloaders defective Excessive system leakage Compressor operating at incorrect speed Unloader pilot differential set too close Pressure switch...

Page 34: ...in cylinder head or cylinders Defective water temperature regulator valve Inadequate cooling water flow ventilation or recirculation of hot air Pulley sheave rotation wrong Incorrect speed Running cle...

Page 35: ...f oil Excessive current draw Low voltage must be within 10 of nameplate voltage To determine maximum Loose electrical connection amperage allowed multiply Wire size too small the FLA on the motor Inco...

Page 36: ...000 0 972 0 961 0 945 0 928 0 917 0 908 7000 0 967 0 953 0 936 0 915 0 902 0 890 8000 0 962 0 945 0 925 0 900 0 886 0 873 9000 0 957 0 938 0 915 0 887 0 868 0 857 10000 0 951 0 931 0 902 0 872 0 853 0...

Page 37: ...0 33 0 35 0 43 5 43 5 41 0 42 5 150 38 0 38 5 34 0 36 5 46 0 45 5 43 0 45 0 175 39 5 40 0 35 0 38 0 48 5 47 5 45 0 47 5 200 41 0 41 5 36 0 39 0 51 5 49 0 47 0 50 5 225 42 0 43 0 37 0 40 5 53 5 51 0 4...

Page 38: ...QR 25 Series Quincy Compressor 52201 105 May 2003 34 3501 Wismann Lane Quincy IL 62305 3116 Typical QR 25 Unit with Vertical Receiver Typical QR 25 Unit with Horizontal Receiver Decal Locations...

Page 39: ...QR 25 Series Quincy Compressor 52201 105 May 2003 35 3501 Wismann Lane Quincy IL 62305 3116 Typical Engine Driven QR 25 Unit with Horizontal Receiver...

Page 40: ...n EquipmentheldforBuyershallbeatBuyer sriskandstoragechargesmaybeappliedatthediscretion of Seller Accounts past due shall bare interest at the highest rate lawful to contract for but if there is no li...

Page 41: ...promptly returned to seller freight prepaid for inspection Sellerwarrantsrepairedorreplacedpartsofitsownmanufactureagainstdefectsinmaterialsandworkmanshipunder normal use and service for ninety 90 da...

Page 42: ......

Page 43: ...al provided with Quincy Compressor products as well as any instructions supplied by manufacturers of supporting equipment should be read and understood prior to performing maintenance NOTE Make your e...

Page 44: ...eserved Litho in U S A Quincy Service is always near There are authorized Quincy Distributors located throughout the United States Canada that stock genuine Quincy parts accessories for a wide range o...

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