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Curtis CT Series, Instruction Manual

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Curtis CT Series Instruction Manual Download Page 33

CT SERIES

                                                                                            

CAP 410 

 

WIRING PROCEDURES 

FOR

 

FIELD INSTALLATION PRESSURE SWITCH  
(WIRED WITH MAGNETIC STARTER.) 

 

 

 
 
 

PRESSURE SWITCH  
CONNECTIONS 

 

TURN OFF POWER BEFORE SERVICING!!! 

 
 
 
 
 
 
 
 

THE ABOVE PICTURE DEPICTS WIRE CONNECTIONS TO THE PRESSURE 
SWITCH. 
 

1.  FOR FIELD INSTALLATION CONNECT 18GA WIRES FROM PRESSURE 

SWITCH TO STARTER TERMINALS L1 & A2 AS DESCRIBED ON PAGE 
19 AND 21. 

 
 
 
 

 

 
 

 

PAGE 31

Summary of Contents for CT Series

Page 1: ...FULLY READ UNDERSTAND AND RETAIN ALL SAFETY INFORMATION AND INSTRUCTIONS BEFORE OPERATING THIS COMPRESSOR IMPORTANT Make a permanent record of the Model and Serial number of your machine here You will save time and expense by including this reference identification on replacement part orders WARNING Before installing and operating this compressor read and understand the safety precautions containe...

Page 2: ...A4 1075VT8 A8 1075VT8 A9 ASSEMBLY DRAWING HORIZONTAL 7 1 2HP MODEL 775HT12 14 15 16 17 18 19 PARTS LIST 7 1 2HP MODEL 775HT12 A2 775HT12 A3 775HT12 A4 775HT12 A8 775HT12 A9 ASSEMBLY DRAWING HORIZONTAL 10HP MODEL 1075HT12 PARTS LIST 10HP MODEL 1075HT12 A2 1075HT12 A3 1075HT12 A4 1075HT12 A8 1075HT12 A9 ASSEMBLY DRAWING HORIZONTAL 13HP HONDA 20 PARTS LIST 13HP MODEL 1375GT3 HE 1375GT6 HE 21 ASSEMBLY...

Page 3: ... the filter to the compressor bush down the connections Be sure piping and fittings are clean and free from dirt and chips If the filter is installed outside check to insure that it is located above the normal outside dust level and the filter element is protected against rain or ice ELECTRICAL REQUIREMENTS The electrical installation of this unit is required to be performed by a qualified electri...

Page 4: ... before working on the unit to prevent the unit from starting unexpectedly 3 Release all air pressure from the system before working on the unit and red tag all electrical control switches for safety precaution 4 Do not by pass motor over current protection 5 Do not change the setting or in any way affect the operation of the safety valve 6 Keep unit securely anchored so that movement will not put...

Page 5: ...line and do not operate compressor with oil level below the lower line DO NOT OVER FILL 5 Change oil at the first 100 hours of operation and 1000 hours thereafter or as required It may be necessary to change oil more frequent due to abnormal humid and contaminated conditions DAILY MAINTENANCE SCHEDULE 1 Check and maintain oil level at centerline of sight glass and add oil as necessary 2 Drain cond...

Page 6: ...de the motor on the base using a lever if necessary or by turning the adjusting bolt at the end of the base Retighten motor hold down bolts NOTE Do not over tighten belts ELECTRIC MOTOR Grease once a year with a good grade of lithium ball bearing grease or as directed by the motor manufacturer ...

Page 7: ...7100 Intercooler CT 55 VA1163 Intake Filter Elem CT 75 VA1165 Intake Filter Elem CT 55 VA1166 Intake Filter Assy CT 75 VA1164 Intake Filter Assy When replacing 40CT pump Use kit CCC1801 When replacing 60CT pump Use kit CCC1802 Pump CT 55 Pump CT 75 Discharge tube Discharge tube Fittings Fittings Pulley Pulley Belts Belts Top bracket Top bracket Stud Mounting Stud Mounting When replacing 60CT pump ...

Page 8: ...CT SERIES CAP 410 EXPLODED VIEW VERTICAL 5HP 60 GALLON MODEL 555VT6 PAGE 6 ...

Page 9: ...ER 4 VH1320 18 NUT 4 VH1536 19 TUBING 1 OFF908 OFF908 20 ELBOW 90º 1 VA15ACE 21 CHECK VALVE 1 VV809 22 COMPRESSION CONNECTOR 1 VA14EHE 23 V BELT 1 VD310 24 BRACKET BELTGUARD TOP 1 CAF2526 25 BELT GUARD CLIPS 5 CAF2488 26 HHCS 20 X LG 12 VH51FE1 27 BUSHING REDUCING 2 X NPT 1 VA12JBQ 28 DRAIN COCK 1 VV514 29 NUTS WIRE BELT GUARD 2 VH515 30 BOLT 3 8 1 LG 3 VH10HH 31 WASHER RUBBER 4 VH1320 32 NUT 4 VH...

Page 10: ...CT SERIES CAP 410 PAGE 8 EXPLODED VIEW VERTICAL 5HP 80 GALLON MODEL 555VT8 ...

Page 11: ...NTING 4 CC1814 17 WASHER RUBBER 4 VH1320 18 NUT 5 16 18 4 VH1536 19 TUBING 1 OFF909 20 ELBOW 90º 1 VA15ACE 21 CHECK VALVE 1 VV809 22 COMPRESSION CONNECTOR 1 VA14EHE 23 V BELT 1 VD323 24 BRACKET BELTGUARD TOP 1 CAF2526 25 BELT GUARD CLIPS 5 CAF2488 26 HHCS 20 X 1 2LG 12 VH51FE1 27 FITTING COMPR X 1 VA14DHE 28 FILTER INTAKE ASSEMBLY 1 VA1166 29 FILTER INTAKE ELEMENT 1 VA1163 30 NUTS WIRE BELT GUARD ...

Page 12: ...CT SERIES CAP 410 PAGE 10 EXPLODED VIEW VERTICAL 7 1 2HP 80 GALLON MODEL 755VT8 ...

Page 13: ... 18 X 2 1 2 LG 4 CCC1814 17 WASHER RUBBER 4 VH1320 18 NUT 5 16 18 4 VH1536 19 TUBING 1 OFF909 20 ELBOW 90º 1 VA15ACE 21 CHECK VALVE 1 VV836 22 COMPRESSION CONNECTOR 1 VA14EHE 23 V BELT 1 VD323 24 BRACKET BELTGUARD TOP 1 CAF2526 25 BELT GUARD CLIPS 5 CAF2488 26 HHCS 20 X 1 2LG 12 VH51FE1 27 FITTING COMPR X 3 4 1 VA14DHE 28 FILTER INTAKE ASSY 1 VA1166 29 FILTER INTAKE ELEMENT 1 VA1163 30 NUTS WIRE B...

Page 14: ...CT SERIES CAP 410 PAGE 12 EXPLODED VIEW VERTICAL 7 1 2HP 80 GALLON MODEL 775VT8 ...

Page 15: ...H TREE 1 CCC1677 13 DRAIN COCK 1 VV552 14 SAFETY VALVE 1 VV404 15 PRESSURE GAUGE AIR 1 VA334 16 STUD MTG 4 CCC1814 17 WASHER RUBBER 4 VH1320 18 NUT 5 16 18 4 VH1536 19 TUBING 1 OFF909 20 ELBOW 90º 1 VA15ACE 21 CHECK VALVE 1 VV809 22 COMPRESSION CONNECTOR 1 VA14EJE 23 V BELT 2 VD351 24 BRACKET BELTGUARD TOP 1 CAF2525 25 BELT GUARD CLIPS 5 CAF2488 26 HHCS 20 X 1 2LG SERRATED 10 VH51FE1 27 FILTER INT...

Page 16: ...CT SERIES CAP 410 PAGE 14 EXPLODED VIEW VERTICAL 10HP 80 GALLON MODEL 1075VT8 ...

Page 17: ...ETY VALVE 1 VV404 15 PRESSURE GAUGE AIR 1 VA334 16 STUD MTG 4 CCC1678 17 WASHER RUBBER 4 VH1320 18 NUT 5 16 18 4 VH1536 19 TUBING 1 OFF909 20 ELBOW 90º 1 VA15ACE 21 CHECK VALVE 1 VV809 22 COMPRESSION CONNECTOR 1 VA14EJE 23 V BELT 2 VD393 24 BRACKET BELTGUARD TOP 1 CAF2525 25 BELT GUARD CLIPS 5 CAF2488 26 HHCS 20 X 1 2LG SERRATED 12 VH12FF1 27 FITTING ELBOW COMPRESSION NPT X 7 8 OD TUBE 1 VA15EJE 2...

Page 18: ...CT SERIES CAP 410 PAGE 16 EXPLODED VIEW HORIZONTAL 7 1 2HP 120 GALLON MODEL 775HT12 ...

Page 19: ...1320 13 NUT 4 VH1536 14 ELBOW COMPRESSION FITTING 3 4 X 7 8OD 1 VA14EJE 15 V BELT 2 VD323 16 BOLT CARRIAGE 3 VH10KM 17 WASHER RUBBER 4 VH1321 18 NUT 4 VH1537 19 MOTOR TAKE UP BOLT 1 OF269 20 BOLT MOTOR 1 OFA299 21 COMPRESSION CONNECTOR 1 VA14EJE 22 CHECK VALVE 1 VV817 23 ELBOW 1 VA15ACE 24 BRACKET BELTGUARD TOP 1 CAF2525 25 BELT GUARD CLIPS 5 CAF2488 26 HHCS 20 X 1 2LG SERRATED 12 VH51FE1 27 WASHE...

Page 20: ...CT SERIES CAP 410 PAGE 18 EXPLODED VIEW HORIZONTAL 10HP 120 GALLON MODEL 1075HT12 ...

Page 21: ... NUT 4 VH1536 14 ELBOW COMPRESSION FITTING 3 4 X 7 8OD 1 VA14EJE 15 V BELT 2 VD393 16 BOLT CARRIAGE 3 VH10KM 17 WASHER RUBBER 4 VH1321 18 NUT 4 VH1537 19 MOTOR TAKE UP BOLT 1 OF269 20 BOLT MOTOR 1 OFA299 21 COMPRESSION CONNECTOR 1 VA14EJE 22 CHECK VALVE 1 VV817 23 ELBOW 1 VA15ACE 24 BRACKET BELTGUARD TOP 1 CAF2525 25 BELT GUARD CLIPS 5 CAF2488 26 HHCS 20 X 1 2LG SERRATED 12 VH51FE1 28 DRAIN COCK 1...

Page 22: ...CT SERIES CAP 410 PAGE 20 EXPLODED VIEW HORIZONTAL 13HP HONDA ...

Page 23: ... X 3 4OD 1 VA14EJE 18 V BELT 1 VD371 19 BOLT CARRIAGE 3 VH10KM 20 BOLT MOTOR 1 OFC290 21 MOTOR TAKE UP BOLT 1 OFC256 22 WASHER FLAT 3 8 8 VH33K 23 WASHER LOCK 3 8 8 VH35K 24 NUT 3 8 8 VH15K 25 COMPRESSION CONNECTOR 1 VA779 26 VALVE DISCHARGE LINE UNLOADER 1 VV1009 27 CONNECTION COMPRESSION STRAIGHT 1 VA14EJE 28 INSERT 2 VA1620 29 COPPER TUBING 1 OFD806 30 SLOW DOWN DEVICE 1 VN109 31 HHCS 3 8 16UNC...

Page 24: ...CT SERIES CAP 410 PAGE 22 EXPLODED VIEW HORIZONTAL 13HP KOHLER ENGINE ...

Page 25: ...G X OD 1 VA14EJE 18 V BELT 1 VD371 19 BOLT CARRIAGE 3 VH10KN 20 BOLT MOTOR 1 OFC290 21 MOTOR TAKE UP BOLT 1 OF269 22 WASHER FLAT 3 8 8 VH32K 23 WASHER LOCK 3 8 8 VH35K 24 NUT 3 8 8 VH15K 25 COMPRESSION CONNECTOR 1 VA14EJE 26 VALVE DISCHARGE LINE UNLOADER 1 VV1009 27 CONNECTION COMPRESSION STRAIGHT 1 VA14ACE 28 INSERT 2 VA1620 29 NYLON TUBING 1 VA1601 30 SLOW DOWN DEVICE 1 VN112 31 HHCS 3 8 16UNC X...

Page 26: ...UP TIME TWO STAGE Tank Size Approx Time Required To Pump From H P Size Compressor Model No R P M C F M 150 psi Size in Gal 0 to 150 PSIG Min Sec 120 to 150 PSIG Min Sec 5 555VT6 869 17 8 20 X 48 60 4 48 0 48 5 555VT8HS 869 17 8 24 X 46 80 6 49 1 4 5 555VT8 869 17 8 24 X 46 80 6 43 1 4 7 1 2 755VT8 945 23 5 24 X 46 80 5 36 0 55 7 1 2 775VT8 872 29 6 24 X 46 80 4 21 0 41 10 1075HT12 1042 34 1 24 X 6...

Page 27: ...air or replace safety valve 4 Tighten the nuts even with packing 5 Remove and lap the surface 6 Replace with new ones 7 Replace packing gasket 8 Eliminate air leaks Inaccuracy of pressure gauge 1 Pressure gauge damaged 1 Replace Excessive oil consumption 1 Worn piston ring 2 Worn piston 3 Worn cylinder 4 Wrong oil 5 Dirty filter 1 Replace 2 Replace 3 Replace 4 Replace with correct oil 5 Replace Sl...

Page 28: ...neumatic equipment and tools prevents air line freeze ups and reduces product rejects The use of dryer s filters is recommended when this moisture related problems are reported to our factory or distributor service departments Troubleshooting guide Symptom Liquid water present in compressed air lines Problem Water vapor condensation from cooling and compression occurs naturally Solution Remove the...

Page 29: ...R BEFORE SERVICING FACTORY MOUNTED MOTOR STARTERS ARE SUPPLIED WITH PRESSURE SWITCH AND MOTOR CONNECTIONS TO STARTER 1 CONNECT INCOMING POWER WIRES TO STARTER TERMINALS L1 L2 AND L3 2 COMPRESSOR FLYWHEEL ROTATION SHOULD BE COUNTERCLOCKWISE WHEN FACING FLYWHEEL 3 IF COMPRESSOR FLYWHEEL ROTATION IS REVERSED INTERCHANGE SERVICE WIRES TO STARTER TERMINALS L1 AND L2 PAGE 27 ...

Page 30: ...VICING 1 CONNECT MOTOR LEADS AS PER DIAGRAM ON MOTOR NAMEPLATE TO STARTER TERMINALS T1 T2 T3 CONNECT ONE WIRE FROM PRESSURE SWITCH TO STARTER TERMINAL L1 USE 18 GAUGE WIRE 2 CONNECT 2ND WIRE FROM PRESSURE SWITCH TO STARTER COIL TERMINAL A2 USE 18 GAUGE WIRE A2 IS OPEN SPADE CLIP BEHIND L3 3 CONNECT INCOMING POWER LINES TO STARTER TERMINALS L1 L2 L3 4 COMPRESSOR FLYWHEEL ROTATION SHOULD BE COUNTERC...

Page 31: ...R CONNECT INCOMING POWER WIRES TO STARTER TERMINALS L1 L2 THERMAL OVERLOAD TURN OFF POWER BEFORE SERVICING FACTORY MOTOR STARTERS ARE SUPPLIED WITH PRESSURE SWITCH AND MOTOR CONNECTIONS TO STARTER 1 CONNECT INCOMING POWER WIRES TO STARTER TERMINALS L1 L2 PAGE 29 ...

Page 32: ... L1 L2 THERMAL UNIT CONNECT MOTOR LEADS TO STARTER TERMINALS T1 T2 TURN OFF POWER BEFORE SERVICING 1 CONNECT MOTOR LEADS AS PER DIAGRAM ON MOTOR NAMEPLATE TO STARTER TERMINALS T1 T2 2 CONNECT ONE WIRE FROM PRESSURE SWITCH TO STARTER TERMINAL L1 USE 18GA WIRE 3 CONNECT 2ND WIRE FROM PRESSURE SWITCH TO STARTER COIL TERMINAL A2 USE 18GA WIRE A2 IS OPEN SPADE CLIP BEHIND L2 4 CONNECT INCOMING POWER WI...

Page 33: ...D WITH MAGNETIC STARTER PRESSURE SWITCH CONNECTIONS TURN OFF POWER BEFORE SERVICING THE ABOVE PICTURE DEPICTS WIRE CONNECTIONS TO THE PRESSURE SWITCH 1 FOR FIELD INSTALLATION CONNECT 18GA WIRES FROM PRESSURE SWITCH TO STARTER TERMINALS L1 A2 AS DESCRIBED ON PAGE 19 AND 21 PAGE 31 ...

Page 34: ...INGLE PHASE POWER SUPPLY L1 SINGLE PHASE POWER SUPPLY L2 MOTOR CONNECTION TURN OFF POWER BEFORE SERVICING THE ABOVE PICTURE DEPICTS POWER SUPPLY WIRE CONNECTIONS TO PRESSURE SWITCH 1 FOR FIELD INSTALLATION CONNECT 8GA WIRES FROM POWER SUPPLY L1 AND L2 TO PRESSURE SWITCH AS DEPICTED ABOVE MOTOR CONNECTIONS FROM MOTOR TO PRESSURE SWITCH ARE FACTORY INSTALLED ...

Page 35: ...CURTIS TOLEDO INC 1905 KIENLEN AVE ST LOUIS MO 63133 TEL 800 925 5431 FAX 314 381 1439 E MAIL info curtistoledo com Website www curtistoledo com ...

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