Quincy Compressor QR-25 Series Скачать руководство пользователя страница 33 | Manualshive

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QR-25 Series

Quincy Compressor

52201-105, May 2003

29

3501 Wismann Lane, Quincy IL - 62305-3116

Trouble

Probable Cause

Excessive Vibration

•Piping inadequately supported or tightened into a bind

(cont.)

•Excessive discharge pressure
•Compressor feet may need to be leveled with shims

Excessive drive belt wear

•Pulley/sheave out of alignment
•Belt too loose or too tight
•Belt slipping
•Pulley/sheave wobbling
•Pulley/sheave groove damaged or rough
•Incorrect belts

Low oil pressure

•Oil pump direction reversed
•Oil sump strainer plugged
•Excessive leakage at crankshaft seals
•Low oil level
•Oil pump incorrectly assembled to the bearing carrier (“o”ring not

properly located between oil pump body & bearing carrier)

•Oil pressure adjusting screw not set properly
•Defective oil pressure gauge
•Plugged oil filter

Compressor loads

•Air receiver 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 defective

Defective pressure switch

•Moisture &/or oil buildup on the pressure switch diaphragm
•Ruptured diaphragm
•Burned contact points
•Plugged air passage from the receiver to the pressure switch
•Loose electrical connection

Excessive air pressure

•Air pressure gauge inaccurate

in air receiver

•Leaks in unloader piping system
•Defective compressor valve unloader
•Pilot valve or pressure switch set incorrectly or defective
•Pressure switch wired incorrectly
•Hydraulic valve or three way valve not functioning properly
•Tube to compressor unloader valve plugged

Excessive

•Intercooler restricted or plugged

intercooler pressure

•Compressor valves in second stage broken or not functioning properly

(Two stage models only)

•Pilot valve or pressure switch set incorrectly or defective
•Pressure gauge defective

*Obsolete models

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Содержание QR-25 Series

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 42: ......

Страница 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...

Страница 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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