Quincy Compressor QSB 15 HP Instruction Manual Download

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Section VIII - Troubleshooting

Symptom/Probable Causes:

Corrective Action:

Quincy Compressor

- QSB/T

™

DJUST

FLUID

LEVEL

RECOMMENDED

FLUID

LEVEL

DRAINING

THE

RESERVOIR

. U

FLUID

LEVEL

GAUGE

GUIDE

HECK

FOR

PROPER

BLOWDOWN

VALVE

SIZE

ORRECT

ACCORDANCE

WITH

INSTRUCTIONS

“I

NLET

VALVE

NOT

OPENING

CLOSING

RELATION

AIR

DEMAND

”

SECTION

THIS

TROUBLESHOOTING

GUIDE

EPLACE

INDICATOR

ASSEMBLY

GENUINE

UINCY

REPLACEMENT

FILTERS

ONLY

EPLACE

AIR

FILTER

ELEMENT

FLUID

BREAKDOWN

SECTION

THIS

TROUBLESHOOTING

GUIDE

HECK

AND

CLEAN

SYSTEM

ALL

DIRT

CORROSION

AND

VARNISH

DJUST

FLUID

LEVEL

RECOMMENDED

FLUID

LEVEL

DRAINING

THE

RESERVOIR

. U

FLUID

LEVEL

GAUGE

GUIDE

LEAN

SCAVENGER

LINE

ORIFICE

AND

TUBE

ORRECT

ACCORDANCE

WITH

THE

INSTRUCTIONS

“H

IGH

DISCHARGE

AIR

TEMPERATURE

”

SECTION

THIS

TROUBLESHOOTING

GUIDE

ESERVOIR

PRESSURE

SHOULD

NOT

FALL

BELOW

50 PSIG

WHEN

RUNNING

LOADED

. C

HECK

SYSTEM

CFM

REQUIREMENT

AND

MINIMUM

PRESSURE

CHECK

VALVE

HANGE

AIR

FLUID

SEPARATOR

Fluid Discharge Out Blowdown Valve:

HIGH

FLUID

LEVEL

RESERVOIR

FLUID

RESERVOIR

BLOWS

DOWN

TOO

FAST

NLET

VALVE

NOT

CLOSING

COMPLETELY

Frequent Fluid Filter Clogging:

AULTY

NDICATOR

NCORRECT

FLUID

FILTER

AULTY

INCORRECT

INADEQUATE

AIR

FILTER

LUID

BREAKDOWN

YSTEM

CONTAMINATION

Excessive Fluid Consumption:

HIGH

FLUID

LEVEL

THE

RECEIVER

LUGGED

SCAVENGE

LINE

IGH

DISCHARGE

TEMPERATURE

RESERVOIR

PRESSURE

WITH

FULLY

OPEN

INLET

VALVE

AULTY

DAMAGED

SEPARATOR

Summary of Contents for QSB 15 HP

Page 1: ...is manual contains important safety 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 equipment Manual No 65001 RA December 2001 Edition ...

Page 2: ......

Page 3: ...n III Installation Receiving 12 Moving the Unit to the Installation Site 12 Location 13 Piping Connections 14 Relief Valves 14 Pressure Vessels 14 Electrical 15 Guards 15 Manual Vent and Shutoff Valves 15 Water and Sewer Facilities at the Installation Site 16 Compressor Rotation 16 Fan Rotation 16 Section IV Operating Procedures Prior To Starting 18 Starting the Compressor 18 Stopping the Compress...

Page 4: ...ations 36 Lubrication 37 Fluid Level 37 Fluid Filter 38 Factors Affecting Fluid Life 38 Fluid Analysis Program General 39 QuinSyn PG 40 QuinSyn XP 41 QuinSyn Plus 42 QuinSyn Fluids 43 QuinSyn Flush 44 Cleaning and Flushing With QuinSyn Flush 45 Converting to QuinSyn PG 46 Converting to QuinSyn XP 47 Converting to QuinSyn Plus 47 Converting to QuinSyn 48 Sampling Procedures 49 Analysis Report sampl...

Page 5: ...riod Standard Warranty Quincy Compressor Industrial Screw Products QSB T Rotary Screw Air Compressors Seller s sole obligation on this warranty shall be at its option to repair replace or refund the purchase price of any product or part thereof which proves to be defective If requested by Seller such product or part thereof must be promptly returned to Seller freight collect for inspection Seller ...

Page 6: ...ed IMPORTANT Throughout this manual we have identified key hazards The following symbols identify the level of hazard seriousness DANGER This symbol identifies immediate hazards which will result in severe personal injury death or substantial property damage DANGER This symbol identifies life threatening electrical voltage levels which will result in severe personal injury or death All electrical ...

Page 7: ...uld result in the rupturing or explosion of some compressor component Do not change the pressure setting of the pressure relief valve restrict the function of the pressure relief valve or replace the pressure relief valve with a plug Over pressurization of system or compressor components can occur resulting in death severe personal injury or property damage Never use plastic pipe rubber hose or so...

Page 8: ...nsible for typographical errors Spare Parts Ordering Information Quincy Compressor maintains replacement parts for Quincy compressors A parts manual is shipped with all new machines Order parts from your Authorized Quincy distributor Failure to use genuine Quincy replacement parts may void warranty Serial Model Identification Plate Reference to the machine MODEL SERIAL NUMBER and DATE OF ORIGINAL ...

Page 9: ...Section I General Quincy Compressor QSB T 5 MODEL IDENTIFICATION ...

Page 10: ...compression cycle of a rotary screw compressor is a continuous process from intake to discharge with no reciprocating mechanisms starting and stopping as found in reciprocating compressors The compressor consists of two rotors in constant mesh housed in a cylinder with two parallel adjoining bores The male drive rotor has four lobes that mesh with six flutes in the female rotor All parts are machi...

Page 11: ...compressor of approximately 180 F Water cooled Fluid Coolers Water cooled fluid coolers are of the shell and tube design Fluid passes through the shell transferring its heat to the water flowing through the tubes Fluid leaving the cooler does not pass through a thermal mixing valve as in an air cooled unit but goes directly to the fluid filter and the compressor Fluid discharge temperature at the ...

Page 12: ... inlet valve is held in a closed position preventing the intake of air into the compressor and serving as a check valve preventing reverse air fluid flow through the inlet valve and air filter Auto Dual Standard The Auto Dual system offers two choices of controlling the Quincy QSB T Compressor With the selector switch in the Continuous Run position the compressor operates continuously matching air...

Page 13: ...lf on until the excess demand has been satisfied Again working with the standard Auto Dual control the second machine would time out and turn itself off after the demand dropped Load No Load Optional In the Load No Load mode the compressor does not modulate the inlet valve The valve is either fully open or it is closed If system demands include regular periods of air usage at less than full load a...

Page 14: ...ontrols include the selector switch pressure switch timer high air temperature safety switches solenoid and the various indicator lights Other incoming line voltages are available as options The compressor is provided with a NEMA 1 enclosure Optional panels include NEMA 4 DANGER High voltage could cause death or serious injury Disconnect all power supplies before opening or servicing the electrica...

Page 15: ...dicates excessive pressure differential across the air fluid separator element It is used to determine separator element change intervals Gauges Hourmeter This gauge indicates actual hours of operation Air Pressure Gauge This gauge indicates air pressure available for distribution to the service line CAUTION Gauge may not register when the unit is unloaded or off Make certain all air pressure is r...

Page 16: ...ing carrier within 15 days of delivery The delivering carrier must prepare a damage report Itemized supporting papers are essential to filing a claim Read the compressor nameplate to be sure the compressor is the model and size ordered and that optionally ordered items are included Check the reservoir and pressure relief valves to be sure they are adequate for the pressure at which you intend to o...

Page 17: ...ted exhaust air must be exhausted outside to prevent high temperature conditions in the compressor room If the room is not properly ventilated compressor operating temperatures will increase and cause a high temperature shutdown CAUTION Clean fresh air of sufficient quantity is required for proper compressor operation In high humidity areas avoid placing the compressor in a basement or other damp ...

Page 18: ...e sized to protect the system Never change the pressure setting or tamper with the valve Only the relief valve manufacturer or an approved representative is qualified to make such a change DANGER Relief valves are to protect system integrity in accordance with ANSI ASME B19 safety standards Failure to provide properly sized relief valves will result in death or serious injury Relief valves are to ...

Page 19: ...side diameter shall have a safety device at the source of supply or branch line to reduce pressure in case of a hose failure These pneumatic safety devices are designed to prevent hoses from whipping which could result in a serious or fatal accident Guards All mechanical action or motion is hazardous in varying degrees and needs to be guarded Guarding shall comply with OSHA Safety and Health Stand...

Page 20: ...at least as large as the inlet valve opening and increased several sizes for extremely long piping runs The piping must be leak free and clean after fabrication Compressor Rotation Compressor rotation must be checked prior to start up Proper rotation is clockwise as viewed from the power input end The power input end of the compressor is marked with an arrow noting the proper rotation Operating th...

Page 21: ...Quincy Compressor QSB T 17 THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 22: ...els and guards are in place and securely mounted Check fuses circuit breakers and thermal overloads for proper size Close the main power disconnect switch and jog the starter switch button to check the rotational direction of the compressor Check the fan rotation Water cooled models Check inlet and discharge water piping for proper connections Check for proper belt tension Reference V belt Drive M...

Page 23: ...the pressure is displayed in the numeric display NOTICE Aflashing on the digit display accompanied by an LED on the left signifies a faulty sensor eitherthe pressure transducerorthe temperature probe A fast blinking LED indicates that the labeled function has been tripped an overpressure condition or motor overload or high air temperature HAT trip A slow blinking LED indicates that the separator d...

Page 24: ...ressing the UP and DOWN keys simultaneously until the LED lamps on the left start to flash When the numeric display flashes 00 Release the UP and DOWN keys and use the UP key to select the desired menu 01 02 and 03 are user menus There is a time limit to select the menu number If this time period is exceeded the control will return to the standard display mode NOTICE The nomenclature on the decal ...

Page 25: ...ndicates compressor model QSF or QSB QMB LED 4 Set the total running hours this should only be adjusted during controller replacement to match recorded time from the previous one Use UP or DOWN to select LED 5 Sets the ID of the compressor This may be used in a future network control option Faults 1 EMERGENCY STOP Pressing this button will immediately stop compressor operation The microcontroller ...

Page 26: ...m to prevent any backup of air flow 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 WARNING Never assume the compressor is rea...

Page 27: ...Quincy Compressor QSB T 23 THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 28: ... 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 CAUTION Unusual noise or vibration indicates a problem Do not operate the compressor until the source has been identified and corrected Water Removal Water vapor may condense in the reservoir and must be removed The freq...

Page 29: ... will stop particles of 10 microns in size This element is replaceable and should not be cleaned Service intervals of the air filter element depends on ambient conditions and should be established by checking regular intervals until a pattern for servicing is found Daily maintenance of the filter element is not uncommon in dirty conditions If dirty conditions exist it is advisable to relocate the ...

Page 30: ... from the airend into the seal cavity and appear as a leak If the check valve is stuck closed the seal cavity will not scavenge Replace if necessary Remove the four bolts securing the seal adapter to the suction housing Insert two of the seal adapter retaining bolts into the seal adapter jack holes and turn clockwise pushing the seal adapter away from the suction housing After the seal adapter out...

Page 31: ... small oven to 350 F Do not preheat in warm oil Apply a thin film of Loctite to the inner diameter of the wear sleeve and immediately install on the compressor shaft using the proper wear sleeve driver Drive the wear sleeve on the shaft until the driver bottoms on the shaft shoulder Seal Installation Apply a thin coat of compressor fluid to the outer face of the wear sleeve and seal lip Slide the ...

Page 32: ...ut pressure The pressure switch should unload the compressor by the time it reaches the 20 load point Raising the pressure without changing the compressor speed above factory settings will result in high amp draw and drive belt failures Consult your parts book for proper sheave and belt part numbers Water Temperature Regulating Valve Water cooled units Only The water temperature regulating valve s...

Page 33: ...ment check alignment in at least three places after rotating one of the sheaves 120 each time Misalignment comes in three varieties Horizontal angular vertical angular and parallel Sheave alignment should be within 0 07 per foot of shaft center distance This is the total of all parallel and angular misalignment Horizontal Angular Shafts in same horizontal plane but not parallel 1 To check use stra...

Page 34: ... checked monthly and confirmed to be within tension requirements listed in the following table If not adjust per instructions on page 32 QSB T 10 30 HP TENSIONING DATA SPRING HEIGHT IN BELT TENSION LBS REFERENCE PRIMARY FOCUS HP SPRING COLOR MIN MAX MIN MAX 15 BLUE 5 9 6 1 6 0 7 0 20 BLUE 5 8 6 0 6 5 7 5 25 YELLOW 5 7 5 9 6 0 7 0 30 GREEN 5 8 6 0 6 0 7 0 Must have clearance under pin Belt tension ...

Page 35: ... of pounds pressure Read at bottom edge of ring Slide the o ring to back to 0 pounds before reusing 5 Compare deflection force with range of forces listed for unit being tested If less than minimum recommended deflection force tighten belts If more than the maximum recommended deflection force drive is too tight 6 Check tension of each belt on the drive as described above 7 Check the ride height A...

Page 36: ... alignment rotate the motor to the opposite end of travel and recheck sheave alignment Note These two alignments should be within 1 16 inch of each other if not realignment is required NOTICE Before the belts are properly tensioned the sheaves may appear to be out of alignment this condition is expected 10 Raise the motor into position by adjusting nut 2 until the pin 5 just reaches the bottom of ...

Page 37: ...belts weakening or breaking the tensile cords 7 Rotate drive by hand to help seat belts in sheaves Check motor base it should be level within 5 degrees 8 Tension the belts by turning the jackbolt 2 clockwise until the correct tension is set reference table on page 30 9 Tighten jamnut 1 to lock the motor base in place Recheck belt tension and sheave alignment 10 Reinstall any panels or guards which...

Page 38: ...s replaced Install new Teflon bushing and transducer Connect transducer wires to microprocessor and reinstall wire channel cover Replacing Electronic Control Prior to replacing electronic control gather and record information regarding total running hours separator hours air filter hours fluid filter hours and fluid service sample hours This data will be transferred to the replacement control prio...

Page 39: ...N THE GROOVE POSITION AND HOLD FLAT SEALING FACE AGAINST O RING 2 BACK OFF NUT BACK OFF LOCKNUT TO ITS UPPERMOST POSITION 3 THREAD INTO PORT THREAD FITTING INTO THE PORT UNTIL THE BACKUP WASHER CONTACTS THE SURFACE 4 BACK OFF FOR ALIGNMENT POSITION FITTING FOR ATTACHING LINE BY UNTHREADING UP TO 360 5 WRENCH TIGHTEN WRENCH TIGHTEN LOCKNUT 1 CHECK SEALING SURFACES INSTALL O RING INSPECT FITTING FOR...

Page 40: ...lowering the compressed air discharge temperature to seal the rotor clearances Fluid Specifications We recommend that all Quincy rotary screw compressors be filled with one of the following synthetic fluids QuinSyn PG Standard fill Replaces QuinSyn QuinSyn XP Standard fill for high pressure applications Replaces QuinSyn HP 68 QuinSyn Plus Extended life fluid QuinSyn F Food grade applications QuinS...

Page 41: ...he design life of the compressor or cause problems with filtration or carryover Consult the Quincy Service Department before changing brands of fluid Fluid Level Fluid level is monitored by a sightglass or a dial gauge while in operation Fluid level should be in the run area on the dial gauge or completely fill the sight gauge DO NOT OVERFILL Figure 1 1 Fluid Level Sight Gauges Each unit comes equ...

Page 42: ...stment check for the following which can affect the long life of QuinSyn 1 High operating temperatures 2 Contaminants a Other fluids b Strong Oxidizers such as acids sulfur chlorine burnt fuel i e exhaust from forklifts boilers jet aircraft nitrogen oxides ozone welding fumes plastic molding fumes c Ammonia d Solvent fumes chlorinated degreasers ink solvents e Airborne dust and particles f Paper d...

Page 43: ...ctory upon completion of the fluid analysis Although QuinSyn fluids are rated by hours of life expectancy under normal operating conditions it is recommended that fluid samples be taken every 500 to 2000 hours and sent to Quincy Compressor Fluid Analysis until a history of performance in a specific compressor application is established Once the appropriate drain interval is established the frequen...

Page 44: ... to drain water from the reservoir Disposal QuinSyn PG is considered nonhazardous waste Disposal of this fluid should be done in accordance with Local State and Federal regulations Separation of this fluid from condensate will require those separators designed to handle fluid emulsions The QIOWA fluid water separator is suitable for separation of fluid emulsions such as QuinSyn PG Please contact Q...

Page 45: ...66 Typical Properties of QuinSyn XP ISO 68 Viscosity 100 F ASTM D445 60 0 cSt Viscosity 210 F ASTM D445 9 8 cSt Viscosity Index ASTM D2270 131 Specific Gravity 60 60 0 95 Flash Point ASTM D92 570 F Fire Point ASTM D92 645 F Applications QuinSyn XP is designed for applications where the fluid is exposed to elevated temperatures for extended periods of time Fluid thermostat temperature settings can ...

Page 46: ...al stability Excellent oxidative stability Better gas fluid separation Typical Properties of QuinSyn Plus ISO 46 Viscosity 100 F ASTM D445 46 0 cSt Viscosity 210 F ASTM D445 7 5 cSt Viscosity Index ASTM D2270 127 Specific Gravity 60 60 0 89 Flash Point ASTM D92 475 F Fire Point ASTM D92 540 F Pour Point 58 F Applications QuinSyn Plus is suited for use in rotary screw air compressors operating in h...

Page 47: ...ompressors as a factory fill option Extended warranties are not available with the use of QuinSyn IV QuinSyn QuinSyn is a Polyalphaolefin PAO type synthetic fluid Effective November 1 2000 QuinSyn Compressor Fluid is no longer available as a factory fill option QuinSyn is still available in aftermarket pails drums and kits Extended warranties are not available with the use of QuinSyn except on com...

Page 48: ...ith mineral oils and QuinSyn synthetic fluids and is highly recommended for use as a flushing fluid when converting to QuinSyn PG from QuinSyn or QuinSyn IV Applications Cleaning fluid for removal of varnish dirt and oxidized fluid from compressor fluid systems Flushing fluid when changing from other fluids to QuinSyn fluids Typical Properties of QuinSyn Flush Viscosity 100 F ASTM D445 43 3 cSt Vi...

Page 49: ...ing the following procedure Drain thoroughly as in A and fill with QuinSyn Flush Run the machine for 300 hours and take a fluid sample Send fluid sample to Quincy Compressor Fluid Analysis to determine if further flushes are needed Continue compressor operation until results of fluid analysis are reported Drain or continue operation as advised by fluid analysis Always clean medium to heavily varni...

Page 50: ...mple and send to Quincy Compressor Fluid Analysis to determine if further flushing is needed Continue operating compressor until the results of fluid analysis are known Drain or continue to run compressor as advised by the fluid analysis report NOTICE More than one flush may be required to remove varnish buildup and reduce the TAN to an acceptable level It may be necessary to change the fluid filt...

Page 51: ...neral oils or PAO fluids flush the compressor with QuinSyn Flush following the procedures outlined on page 45 Converting to QuinSyn Plus Normal Machines A Any QuinSyn fluid except QuinSyn PG No flush required Drain Compressor thoroughly while hot including all the low areas fluid lines and the fluid cooler Shut down and lockout the machine Change the separator and all the filters on the compressor...

Page 52: ...is must be placed on draining after each step Contaminants left in the compressor after flushing have a direct effect on the fluid s life Once the oxidized material varnish is dissolved in the QuinSyn Flush the cleaner and varnish must be removed from the compressor and system parts particularly in areas like filters coolers and piping etc See your Quincy Compressor Distributor to assist in the ev...

Page 53: ...bottle 3 Close valve After collecting sample from either of the above methods 1 Fill out information label completely Be certain to provide all information as to possible hazards related to a given sample If this situation exists all information shall be clearly marked on the sample bottle label 2 Attach Sample Bottle Label to the bottle and put bottle in mailer 3 Place Shipping Label on the outsi...

Page 54: ...is n Sample Values below are in parts per million ppm Date Silver Alum Chrom Copp Iron Nickel Lead Tin Titan Vanad Bari Calc Mag Mol Sod Phos Sili Zinc Fluid Hours Ag Al Cr Cu Fe Ni Pb Sn Ti V Ba Ca Mg Mo Na P Si Zn Thank you for this opportunity to provide technical assistance to your company If you have any questions about this report please contact us at 1 800 637 8628 or fax 1 517 496 2313 mea...

Page 55: ...h MODEL NUMBER The model number of the Quincy compressor that the fluid sample was taken from i HOURS ON FLUID These are the actual hours that the QuinSyn fluid has been in the unit since the last fluid change j HOURS ON MACHINE This is the total hours on the compressor hourmeter k SAMPLE DATE The date that the sample was taken from the compressor NOTICE Items c through k are information provided ...

Page 56: ...sion QuinSyn PG 0 40 50 100 QuinSyn XP 0 40 50 100 QuinSyn Plus 0 5 20 20 Phosphorus PPM Plasma Emission QuinSyn PG 0 5 20 20 QuinSynXP 50 5 20 0 QuinSyn Plus 0 5 20 20 Zinc PPM Plasma Emission All 0 100 200 200 WEAR METALS Silver PPM Plasma Emission All 0 5 10 10 Aluminum PPM Plasma Emission All 0 5 10 10 Chromium PPM Plasma Emission All 0 5 10 10 Copper PPM Plasma Emission All 0 5 10 10 Iron PPM...

Page 57: ...5 20 20 Phosphorus PPM Plasma Emission All 0 5 20 20 Zinc PPM Plasma Emission All 0 100 200 200 WEAR METALS Silver PPM Plasma Emission All 0 5 10 10 Aluminum PPM Plasma Emission All 0 5 10 10 Chromium PPM Plasma Emission All 0 5 10 10 Copper PPM Plasma Emission All 0 5 10 10 Iron PPM Plasma Emission All 0 5 10 10 Nickel PPM Plasma Emission All 0 5 10 10 Lead PPM Plasma Emission All 0 5 10 10 Tin P...

Page 58: ...E CORRECT THE SITUATION IN ACCORDANCE WITH THE INSTRUCTION IN THE HIGH DISCHARGE AIR TEMPERATURE SECTION OF THIS TROUBLESHOOTING GUIDE RESTART THE COMPRESSOR CORRECT THE CAUSE OF THE OVERLOADED CONDITION RESET OVERLOAD RELAY AND PRESS THE START BUTTON ASK THE POWER COMPANY TO MAKE A VOLTAGE CHECK AT YOUR ENTRANCE METER THEN COMPARE THAT READING TO A READING TAKEN AT THE MOTOR TERMINALS USE THESE T...

Page 59: ... DISCHARGE AIR TEMPERATURE SECTION OF THIS TROUBLESHOOTING GUIDE RESTART THE COMPRESSOR CORRECT THE CAUSE OF THE MOTOR OVERLOADED CONDITION RESET THE OVERLOAD RELAY AND PRESS THE RESET BUTTON CHECK POWER SUPPLY AND TRANSFORMER FUSES CONTACT A QUALIFIED SERVICE TECHNICIAN FOR REPAIRS CHECK ALL WIRING TERMINALS FOR CONTACT AND TIGHTNESS REPLACE RELAY LOWER FULL LOAD PRESSURE SETTING AT CONTROL PANEL...

Page 60: ...SSURE GAUGE CLEAN AIR FILTER ELEMENT OR REPLACE WITH NEW ELEMENT CHECK SERVICE LINES FOR LEAKS WITH SOAP SUDS REPAIR AS NECESSARY CHECK FOR BUILD UP OR GUMMING OF SHAFT CHECK FLUID FILTER FOR PLUGGING REEVALUATE AIR DEMAND INSTALL ADDITIONAL COMPRESSORS AS NEEDED CHECK SERVICE LINES FOR LEAKS WITH SOAP SUDS REPAIR AS NECESSARY CORRECT IN ACCORDANCE WITH THE INSTRUCTIONS IN INLET VALVE NOT OPENING ...

Page 61: ...DOES NOT EXCEED MAXIMUM OPERATING PRESSURE CORRECT IN ACCORDANCE WITH INSTRUCTION ON INLET VALVE NOT OPENING OR CLOSING IN RELATION TO AIR DEMAND SECTION OF THIS TROUBLESHOOTING GUIDE CHECK CONTROL SOLENOID AND BLOWDOWN VALVE CLEAN COOLER CHECK WATER SYSTEM FOR POSSIBLE RESTRICTIONS INCLUDING WATER TEMPERATURE REGULATING VALVE CLEAN OR ADJUST IF NECESSARY CHECK LOCATION OF COOLER AND ASSURE NO RES...

Page 62: ...AND DISCHARGE AIR TEMPERATURE DO NOT MIX DIFFERENT GRADES OR TYPES OF FLUID DO NOT MIX FLUIDS FROM DIFFERENT MANUFACTURERS FOLLOW FLUID SPECIFICATIONS AS DESCRIBED IN COMPRESSOR FLUIDS SECTION OF THIS MANUAL CHANGE FLUID SERVICE AIR FILTER AND FLUID FILTER IN ACCORDANCE WITH THE RECOMMENDED MAINTENANCE SCHEDULE High Discharge Air Temperature and or High Fluid Injection Temperature continued IMPROP...

Page 63: ...NING THE RESERVOIR USE FLUID LEVEL GAUGE AS A GUIDE CLEAN SCAVENGER LINE ORIFICE AND TUBE CORRECT IN ACCORDANCE WITH THE INSTRUCTIONS IN HIGH DISCHARGE AIR TEMPERATURE SECTION OF THIS TROUBLESHOOTING GUIDE RESERVOIR PRESSURE SHOULD NOT FALL BELOW 50 PSIG WHEN RUNNING LOADED CHECK SYSTEM CFM REQUIREMENT AND MINIMUM PRESSURE CHECK VALVE CHANGE AIR FLUID SEPARATOR Fluid Discharge Out Blowdown Valve T...

Page 64: ... VALVE ASSEMBLY FAULTY SOLENOID VALVE FAULTY SHUTTLE VALVE LOOSE WIRING CONNECTIONS AT SOLENOID VALVE PRESSURE SWITCH BROKEN SPRING IN AIR INLET VALVE CHECK FOR LEAKS AND CORRECT REPLACE SEAL ASSEMBLY AND O RINGS USE RECOMMENDED FLUIDS ONLY SEE COMPRESSOR FLUID SECTION USE REMOTE AIR INTAKE MOUNTING USE SPECIALIZED AIR FILTER CONTACT AN AUTHORIZED QUINCY DISTRIBUTOR ADJUST AIR PRESSURE SWITCH TO P...

Page 65: ... PILOT VALVE Compressor Will Not Time out Or Shut Down When Unloaded Auto Dual Only FAULTY TIMER LEAKS IN CONTROL LINES LEAKS IN SERVICE LINES FAULTY AIR PRESSURE SWITCH FAULTY AIR PRESSURE SENSORS ADJUST TO PROPER SETTING REPLACE SWITCH REPAIR OR REPLACE AS NECESSARY REPAIR OR REPLACE AS NECESSARY REPAIR OR REPLACE AS NECESSARY CHECK ALL CONTROL LINE FITTINGS AND TUBING CHECK LINES BEFORE MPC VAL...

Page 66: ...R REPLACE AS REQUIRED CHECK OTHER COMPRESSORS ON SAME SYSTEM REPLACE COOLER ADJUST DIFFERENTIAL PRESSURE REGULATOR TO OBTAIN DESIRED MODULATION RANGE READJUST AIR PRESSURE SWITCH SO THAT THE COMPRESSOR UNLOADS AT THE DESIRED PRESSURE CORRECT IN ACCORDANCE WITH THE INSTRUCTION IN INLET VALVE NOT OPENING OR CLOSING IN RELATION TO AIR DEMAND SECTION OF THIS TROUBLESHOOTING GUIDE REPLACE WITH NEW AIR ...

Page 67: ... Belt Stretches Beyond Available Take up MISALIGNMENT DEBRIS IN SHEAVES BROKEN TENSILE MEMBER OR CORD DAMAGE MISMATCHED BELTS PROVIDE ADEQUATE GUARDS OR DRIVE PROTECTION FOLLOW CORRECT INSTALLATION PROCEDURE CHECK GROOVES FOR WEAR REPLACE SHEAVES AS NECESSARY CHECK DRIVE FOR CENTER DISTANCE MOVEMENT DURING OPERATION REALIGN AND RETENSION DRIVE FOLLOW CORRECT INSTALLATION PROCEDURE PROVIDE ADEQUATE...

Page 68: ...IBRATION INCORRECT BELTS SHEAVE OUT OF ROUND LOOSE DRIVE COMPONENTS RETENSION BELTS CLEAN BELTS AND SHEAVES CHECK AUTOMATIC TENSIONING DEVICE INSTALL NEW MATCHED BELT SET DO NOT MIX OLD AND NEW BELTS REALIGN AND RETENSION DRIVE REPAIR OR REPLACE GUARD USE CORRECT BELT SIZE REPLACE SHEAVES CLEAN SHEAVES AND IMPROVE SHIELDING RETENSION BELTS INSTALL NEW MATCHED BELT SET DO NOT MIX OLD AND NEW BELTS ...

Page 69: ...ANGES IMPROVE VENTILATION TO DRIVE DO NOT USE BELT DRESSING ELIMINATE SOURCE OF CONTAMINATION Severe or Abnormal Belt Wear WEAR ON TOP OF BELT RUBBING AGAINST GUARD WEAR ON TOP CORNERS OF BELT INCORRECT BELT TO SHEAVE FIT BELT TOO SMALL FOR GROOVE WEAR ON SIDEWALLS OF BELT BELT SLIP MISALIGNMENT WORN SHEAVES INCORRECT BELTS WEAR ON BOTTOM CORNER OF BELT INCORRECT BELT TO SHEAVE FIT BELT TOO SMALL ...

Page 70: ...UID RESERVOIR SERVICE AIR FILTER AS NEEDED DAILY OR WEEKLY IF EXTREMELY DIRTY CONDITIONS EXIST CLEAN AFTERCOOLER AND FLUID COOLER FINS AIR COOLED ONLY WIPE ENTIRE UNIT DOWN TO MAINTAIN APPEARANCE TAKE FLUID SAMPLE CHANGE FLUID FILTER CHECK PRESSURE RELIEF VALVE CHECK ROLL PIN INDICATOR POSITION IN SLOT AND REPLACE V BELTS IF AT OR NEAR ALLOWABLE TRAVEL GO OVER UNIT AND CHECK ALL BOLTS FOR TIGHTNES...

Page 71: ...Quincy Compressor QSB T 67 THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 72: ...Appendix A Dimensional Drawings 68 Quincy Compressor QSB T QSB 15 50 HP air cooled ...

Page 73: ...Appendix A Dimensional Drawings Quincy Compressor QSB T 69 QSB 15 50 HP water cooled ...

Page 74: ...Appendix A Dimensional Drawings 70 Quincy Compressor QSB T QST 15 50 HP air cooled 120 gallon tank ...

Page 75: ...Appendix A Dimensional Drawings Quincy Compressor QSB T 71 QST 15 50 HP water cooled 120 gallon tank ...

Page 76: ...Appendix A Dimensional Drawings 72 Quincy Compressor QSB T QST 15 50 HP air cooled 200 gallon tank ...

Page 77: ...Appendix A Dimensional Drawings Quincy Compressor QSB T 73 QST 15 50 HP water cooled 200 gallon tank ...

Page 78: ... Heat Rejection Fluid Cooler BTU min 577 563 Aftercooler BTU min 109 91 Aftercooler Approach standard conditions F 8 Maximum Allowable Static Backpressure in H2 O 0 125 Fan Flow cfm 2126 Water cooled Cooling Consult factory for water temperatures under 50 F or over 90 F and for water glycol cooling systems Recommended Inlet Water Pressure psig 40 100 Aftercooler Approach to Cooling water temperatu...

Page 79: ...ftercooling Heat Rejection Fluid Cooler BTU min 750 747 725 Aftercooler BTU min 150 129 107 Aftercooler Approach standard conditions F 9 Maximum Allowable Static Backpressure in H2 O 0 125 Fan Flow cfm 2126 Water cooled Cooling Consult factory for water temperatures under 50 F or over 90 F and for water glycol cooling systems Recommended Inlet Water Pressure psig 40 100 Aftercooler Approach to Coo...

Page 80: ... Aftercooling Heat Rejection Fluid Cooler BTU min 938 992 974 Aftercooler BTU min 197 181 148 Aftercooler Approach standard conditions F 10 Maximum Allowable Static Backpressure in H2 O 0 125 Fan Flow cfm 2000 Water cooled Cooling Consult factory for water temperatures under 50 F or over 90 F and for water glycol cooling systems Recommended Inlet Water Pressure psig 40 100 Aftercooler Approach to ...

Page 81: ...Aftercooling Heat Rejection Fluid Cooler BTU min 1154 Aftercooler BTU min 210 Aftercooler Approach standard conditions F 18 Maximum Allowable Static Backpressure in H2 O 0 125 Fan Flow cfm 3525 Water cooled Cooling Consult factory for water temperatures under 50 F or over 90 F and for water glycol cooling systems Recommended Inlet Water Pressure psig 40 100 Aftercooler Approach to Cooling water te...

Page 82: ... Aftercooling Heat Rejection Fluid Cooler BTU min 1551 Aftercooler BTU min 281 Aftercooler Approach standard conditions F 18 Maximum Allowable Static Backpressure in H2 O 0 125 Fan Flow cfm 3525 Water cooled Cooling Consult factory for water temperatures under 50 F or over 90 F and for water glycol cooling systems Recommended Inlet Water Pressure psig 40 100 Aftercooler Approach to Cooling water t...

Page 83: ...Aftercooling Heat Rejection Fluid Cooler BTU min 1983 1987 2001 Aftercooler BTU min 350 Aftercooler Approach standard conditions F 15 Maximum Allowable Static Backpressure in H2 O 0 125 Fan Flow cfm 6200 Water cooled Cooling Consult factory for water temperatures under 50 F or over 90 F and for water glycol cooling systems Recommended Inlet Water Pressure psig 40 100 Aftercooler Approach to Coolin...

Page 84: ...______________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ _____________________________________...

Page 85: ...ent according to percentage of completion Equipment held for Buyer shall be at Buyer s risk and storage charges may be applied at the discretion of Seller Accounts past due shall bare interest at the highest rate lawful to contract for but if there is no limit set by law such interest shall be eighteen percent 18 Buyer shall pay all cost and expenses including reasonable attorney s fees incurred i...

Page 86: ...product or part thereof must be promptly returned to seller freight prepaid for inspection Seller warrants repaired or replaced parts of its own manufacture against defects in materials and workmanship under normal use and service for ninety 90 days or for the remainder of the warranty on the product being repaired This warranty shall not apply and Seller shall not be responsible or liable for a C...

Page 87: ...ro Industries company All Rights Reserved Litho in U S A Quincy Compressor Products 217 222 7700 E mail info quincycompressor com Website www quincycompressor com 314 42nd Street West Williston ND 58801 701 572 2393 www iessinc com ...

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