Coffing Hoists EC Series Operating, Maintenance & Parts Manual Download Page 37

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P/N EC680-7 April 2017

Order # 5041558-0 & 5041679-0

Ref No.

Part No.

Description

Qty

918JG4

Limit Switch Assembly (Includes items 3-11)

918JG3

Limit Switch Bracket Assembly (Includes items 3-6)

815J1

Switch

H1402P

6-32UNC X 1" Screw

H3944

6-32UNC Elastic Locknut

JF900-3

Limit Switch Bracket (Includes Item 7)

JF531-4

Bushing

JF117-3S

Limit Switch Shaft

SK6000-63Z

Limit Switch Nut (silver)

SK6000-63W

Limit Switch Nut (gold)

H5520

Retaining Ring

JF343-3

Spring

H2970

10-24UNC X 1/2" Screw

FIGURE 8-8A PARTS LIST FOR LIMIT SWITCH ASSEMBLY

Summary of Contents for EC Series

Page 1: ...me risk of personal injury or property damage That risk is greatly increased if proper instructions and warnings are not followed Before using this hoist each operator should become thoroughly familiar with all warnings instructions and recommendations in this manual Retain this manual for future reference and use Forward this manual to the hoist operator Failure to operate equipment as directed i...

Page 2: ...piezas de repuesto y centros de servicio situados estratégicamente en Estados Unidos y Canadá Estas instalaciones se han seleccionado en base a su capacidad demostrada en la reparación de equipos y suminstro de piezas de repuesto de forma rápida y eficaz Para obtener la dirección del almacén de piezas de repuesto o del centro de servicio más cercano llame al teléfono 800 888 0985 Fax 716 689 5644 ...

Page 3: ...potentially hazardous situation THE OPERATOR SHALL a Maintain firm footing or be otherwise secured when operating the hoist b Check brake function by tensioning the hoist prior to each lift operation c Use hook latches Latches are to retain slings chains etc under slack conditions only d Make sure the hook latches are closed and not supporting any parts of the load e Make sure the load is free to ...

Page 4: ...weight of your loads Then match them The application the size and type of load the attachments to be used and the period of use must also be taken into consideration in selecting the right hoist for the job Remember the hoist was designed to ease our burden and carelessness not only endangers the operator but in many cases a valuable load DO NOT OPERATE DAMAGED OR MALFUNCTIONING HOIST DO NOT OPERA...

Page 5: ...Inspection 13 Hook Throat Opening 14 MAINTENANCE AND REPEAT General 15 Limit Switch Adjustment 15 Motor Brake Adjustment 15 Top Suspension Removal and Replacement 15 Chain Replacement 16 Lubrication 16 TROUBLESHOOTING General 18 WIRING Wiring Diagrams 19 Voltage Conversion 19 REPAIR PARTS General 24 How to Use 24 Hoist Model Number and Serial Number 24 Recommended Spare Parts 45 LIST OF TABLES TAB...

Page 6: ...a Adverse Environmental Conditions Do not use the hoist in areas containing flammable vapors liquids gases or any combustible dusts or fibers Refer to Article 500 of The National Electric Code Do not use this hoist in highly corrosive abrasive or wet environments Do not use this hoist in applications involving extended exposure to ambient temperatures below 10 F or above 130 F b Lifting of Hazardo...

Page 7: ...ooner at either end of its travel b Attach a light load to the hook and check the hoist for proper operation The load should stop without noticeable drift when the pushbutton is released Increase the load to near rated load The hoist should still lift the load without hesitation and stop with no more than one inch drift 2 7 TROLLEY INSTALLATION For Motorized Lug Mounted and Plain Trolley configura...

Page 8: ...1 6 x 15 0 5 990 1 3 20 19 1 4 6 x 16 0 4 030 2 10 13 12 0 11 6 x 20 0 6 020 2 3 20 20 0 3 6 x 25 0 6 080 1 3 20 20 1 3 8 x 10 0 3 940 1 11 12 12 1 11 8 x 13 0 4 000 2 10 13 12 0 11 8 x 15 0 4 015 2 10 13 12 0 11 8 x 18 0 5 250 2 6 17 17 0 6 8 x 21 0 5 270 1 6 17 17 1 6 8 x 24 0 6 495 1 1 22 21 1 2 8 x 28 0 6 535 1 1 22 21 1 2 10 x 12 0 3 960 1 11 12 12 1 11 10 x 15 0 4 000 2 10 13 12 0 11 10 x 17...

Page 9: ...te housing c Use the two hex washer head screws provided to fasten the two remaining hanger chains into the notches on the lower edges of the hoist housing d Be sure the end of the chain is started into the container Run hoist up until the hook block is even with the bottom of the chain container e Reset upper limit switch at this position see procedure paragraph 5 2 to prevent the possibility of ...

Page 10: ...ntly checked on double or triple chain hoists because it is possible for the load block to be capsized or flipped over one or more times putting twist in the chain The presence of twist may not be obvious when the hook block is in the lowered position but can cause serious chain binding when the hook block is in its filly raised position d Bring the hook into engagement with the load and make sure...

Page 11: ...pushbutton and power cord for cuts or other damage f Check load chain for adequate lubrication as well as for signs of excessive wear or stretch cracked damaged or twisted links corrosion or foreign substance 4 3 PERIODIC INSPECTION The exact period for the following inspections will depend on the anticipated severity of hoist use Determination of this period should be based on the user s experien...

Page 12: ...gs Chain Guides Excessive wear corrosion cracks distortion Nuts Bolts Rivets Looseness stripped and damaged threads corrosion Sheaves Distortion cracks and excessive wear Buildup of foreign substances Housing Load Block Distortion cracks and excessive wear internal buildup of foreign substances Wiring and Terminals Fraying defective insulation Contact Block Magnetic Hoist Control Switch Other Elec...

Page 13: ...ex No 7 d Carefully pry open motor brake close solenoid gap and observe action of load If the load accelerated the mechanical load brake is malfunctioning and must be repaired FIGURE 4 3 LOAD BRAKE FUNCTION 4 5 CHAIN INSPECTION Chain inspection and lubrication are the more important aspects of hoist maintenance Removal of the chain from the hoist usually is not necessary but the chain should be ru...

Page 14: ... replaced If the chain is worn less than 1 5 check it at several more places along its length If any section is worn more that 1 5 the chain should be replaced d The chain used in this hoist is accurately calibrated to operate over the load sprocket and is very carefully heat treated for maximum wear life and strength a Do not weld or join hoist load chain b Do not substitute another manufacturer ...

Page 15: ...int where are least 12 links of slack chain hang down from the hoist housing 2 Disconnect power from the hoist and remove the short end cover 3 Adjust the zinc limit switch nut in the same manner described above for the brass nut 4 Replace the short end cover and reconnect power to the hoist 5 Carefully lower the load block to its lower limit and observe if it stops automatically at the desired le...

Page 16: ...d of the chain through the load block welds of the upstanding links will be in towards the sheave and fasten the end of the chain to the dead end lug No 19 Figure 8 6 Note On triple chain hoists feed the loose ends of the chain through the load block welds away from sheave around the idler sheave in the hoist and to the center of the load block m Adjust the upper limit switch per paragraph 5 2 a n...

Page 17: ...ekly Monthly Yearly Figure 8 1 Nos 1 2 3 4 5 6 7 Top Hook or Suspension Lug Bearing Surfaces SAE 30 Gear or Motor Oil Monthly Yearly Yearly Figure 8 10C No 11 Figure 8 10D No 11 Idler Sheave Bearing Bushing NLGI 2 multi purpose lithium base grease Coffing No H 7610 At periodic inspection See Figure 4 1 Note All bearings except hook and idler sheave bearings are pre lubricated and sealed This lubri...

Page 18: ...ires except the green ground wire at the power source see paragraph 2 3 2 Improper connections 2 Check all connections against Wiring Diagram Hoist Hesitates to lift When Energized 1 Hoist overloaded 1 Reduce load to within rated capacity of hoist 2 Motor brake requires adjustment 2 Check motor brake adjustment see paragraph 5 3 3 Worn overload limiting clutch 3 Replace clutch 4 Low voltage 4 Chec...

Page 19: ...me cases Motor Brake Buzz Anytime hoist is running 1 Brake needs adjustment 1 Adjust as per paragraph 5 3 2 Broken shading coil on brake frame 2 Replace shading coil or complete brake frame assembly A more detailed explanation of electronics troubleshooting can be found with the CM interface cable kit This procedure requires use of extracted fault codes from the hoist memory plus multimeter readin...

Page 20: ...20 P N EC680 7 April 2017 Order 5041558 0 5041679 0 FIGURE 7 1 115V 230V 1 PHASE 1 SPEED HOIST 981EE2100 000 ...

Page 21: ...21 P N EC680 7 April 2017 Order 5041558 0 5041679 0 FIGURE 7 2 230V 460V 3 PHASE 1 SPEED HOIST 983EE2100 000 ...

Page 22: ...22 P N EC680 7 April 2017 Order 5041558 0 5041679 0 FIGURE 7 3 208V 380V 575V 3 PHASE 1 SPEED HOIST 98 EE2100 000 ...

Page 23: ...23 P N EC680 7 April 2017 Order 5041558 0 5041679 0 FIGURE 7 4 208V 230V 460V 575V 3 PHASE 2 SPEED HOIST 98 EE2200 000 ...

Page 24: ...008 E Hoists with 9 32 in Load Chain Models EC 2012 EC 2016 EC 4006 EC 4008 and EC 6005 F Single Chain Hoists Models EC 0516 EC 0532 EC 0564 EC 1009 EC 1016 EC 1032 G Double Chain Hoists Models EC 2004 EC 2008 EC 4006 EC 4008 H Single Chain Hoists Models EC 2012 EC 2016 J Triple Chain Hoists Model EC 6005 3 Part Number 4 In addition to basic part name This column contains descriptions which are es...

Page 25: ...ed Trolley 4 J 50JG53 Trolley Lug Assembly Plain or Geared Trolley Only 3 Ton Only 5 F G H 14J4 Trolley Lug Assembly Kit Cross Mounted Motorized Trolley 6 J 50JG54 Trolley Lug Assembly Motorized Trolley Only 3 Ton Only 7 F G H 50JG22 Multi Purpose Lug Assembly PARTS LIST FOR SUSPENSION ASSEMBLIES FIGURE 8 1 SUSPENSION ASSEMBLIES 2 TON UNDER MODELS 3 TON MODEL ONLY 2 TON UNDER MODELS 3 TON MODEL ON...

Page 26: ... 2017 Order 5041558 0 5041679 0 20 Country Club Road P O Box 779 Wadesboro NC 28170 USA TEL 800 477 5003 FAX 800 374 6853 12 9 3 11 15 9 3 14 26 24A B 4 25 23 8 9 2 21 21 22 10 9 13 7 5 1 6 27 28 20 FIGURE 8 2 BASIC HOIST ...

Page 27: ...J2B Decal Capacity 1 2 Ton 675J3B Decal Capacity 1 Ton 675J4B Decal Capacity 2 Ton 675J11 Decal Capacity 3 Ton 11 H4002P Flat Washer 12 677J2 Decal Coffing 13 H2981P Screw 14 560J5 Gasket Trans 15 676J2B Decal Coffing 16 A 679J1 Decal Power Requirements 115 230V B 679J2 Decal Power Requirements 230 460V A B C 679J3 Decal Power Requirements 230V B C 679J4 Decal Power Requirements 460V B C 679J5 Dec...

Page 28: ...1J144B 1 hp 115 230V 1Ph 1 863J241B 1 4 hp 230 460V 3Ph 60Hz 1 863J242B 1 2 hp 230 460V 3Ph 60Hz 1 863J144B 1 hp 230 460V 3Ph 60Hz 1 863J244B 1 4 hp 575V 3Ph 60Hz 1 863J245B 1 2 hp 575V 3Ph 60Hz 1 863J148B 1 hp 575V 3Ph 60Hz 1 863J247B 1 4 hp 208V 3Ph 60Hz 1 863J248B 1 2 hp 208V 3Ph 60Hz 1 863J149B 1 hp 208V 3Ph 60Hz 1 863J241B 21 hp 380V 3Ph 50Hz 1 863J242B 42 hp 380V 3Ph 50Hz 1 863J144B 83 hp 38...

Page 29: ...4 hp 230V 3Ph 60Hz 1 873J242B 1 2 hp 230V 3Ph 60Hz 1 873J144B 1 hp 230V 3Ph 60Hz 1 873J244B 1 4 hp 460V 3Ph 60Hz 1 873J245B 1 2 hp 460V 3Ph 60Hz 1 873J148B 1 hp 460V 3Ph 60Hz 1 873J247B 1 4 hp 575V 3Ph 60Hz 1 873J248B 1 2 hp 575V 3Ph 60Hz 1 873J152B 1 hp 575V 3Ph 60Hz 1 873J251B 1 4 hp 208V 3Ph 60Hz 1 873J249B 1 2 hp 208V 3Ph 60Hz 1 873J145B 1 hp 208V 3Ph 60Hz 1 Ref No Part No Description Qty 2 Ad...

Page 30: ...g information only and may not be reproduced or used to manufacture anything shown or referred to hereon without direct permission from CMCO to the user This drawing and or technical information is loaned for mutual assistance and is subject to recall by CMCO at any time This drawing and or technical information is the property of CMCO Coil voltage of the contactor and the secondary voltage of the...

Page 31: ... to hereon without direct permission from CMCO to the user This drawing and or technical information is loaned for mutual assistance and is subject to recall by CMCO at any time This drawing and or technical information is the property of CMCO Coil voltage of the contactor and the secondary voltage of the transformer are the same This is referred to as the control voltage Standard units are suppli...

Page 32: ...32 P N EC680 7 April 2017 Order 5041558 0 5041679 0 FIGURE 8 5 TRANSMISSION ...

Page 33: ...t Gear Models EC 0532 EC 1032 401J5 Input Gear Models EC 2016 EC 4008 EC 6005 401J9 Input Gear Models EC 1009 EC 2004 23 591JG1 Slip Clutch Assembly Models EC 0516 591JG2 Slip Clutch Assembly Model EC 0532 591JG3 Slip Clutch Assembly Model EC 0564 591JG4 Slip Clutch Assembly Models EC 1016 EC 2008 591JG5 Slip Clutch Assembly Model EC 1032 591JG6 Slip Clutch Assembly Models EC 2012 EC 4006 591JG7 S...

Page 34: ... end 30 500K29 Bearing Ref 29 Figure 8 5 31 H 5539 Retaining Ring Ref 30 Figure 8 5 Ref No Usage Code Part No Description 32 Sheave Shaft Ref 28 Figure 8 5 34 D 16J2 Sheave 1 4 in Chain 34 E 16J1 Sheave 9 32 in Chain 35 D JF 250 3 Chain Guide 1 4 in Chain 35 E JF 254 3 Chain Guide 9 32 in Chain 36 F G H 107J1 Drive Coupling 36 J 107JG7 4 Drive Coupling 37 F G H 107J1 Retainer Block 38 H 5382 Dowel...

Page 35: ...able Length Consists of Ref No 2 10 PBS2100 Special Drop Equal to the Cable Length 2 36900R Push Button Station Consists Ref No 3 7 9 3 36998R Enclosure 4 36986 Gasket 5 36987 Contact Assembly Consists of Ref No 5 No 6 6 36988 Button Assembly 7 36989 Grommet 8 PBC2100 6 Control Cable Assembly 6 ft Cable Length PBC2100 11 Control Cable Assembly 11 ft Cable Length PBC2100 16 Control Cable Assembly 1...

Page 36: ...2200 16 Push Button Cable Assembly 16 ft Cable Length Consists of Ref No 2 9 PBS2200 Special Drop Equal to the Cable Length 2 36800R Push Button Station Consists Ref No 3 6 3 36998R Enclosure 4 36986 Gasket 5 70964 Contact Assembly Consists of Ref No 5 No 6 6 36988 Button Assembly 7 36866 Grommet 8 PBC2200 6 Control Cable Assembly 6 ft Cable Length PBC2200 11 Control Cable Assembly 11 ft Cable Len...

Page 37: ...embly Includes items 3 6 1 3 815J1 Switch 2 4 H1402P 6 32UNC X 1 Screw 4 5 H3944 6 32UNC Elastic Locknut 4 6 JF900 3 Limit Switch Bracket Includes Item 7 1 7 JF531 4 Bushing 1 8 JF117 3S Limit Switch Shaft 1 9 SK6000 63Z Limit Switch Nut silver 1 10 SK6000 63W Limit Switch Nut gold 1 11 H5520 Retaining Ring 1 12 JF343 3 Spring 1 13 H2970 10 24UNC X 1 2 Screw 2 FIGURE 8 8A PARTS LIST FOR LIMIT SWIT...

Page 38: ...ver 1 6 SK6000 63W Limit Switch Nut Brass Gold 1 7 117JG2 Shaft and Gear Assembly 1 8 JF531 4 Bushing 1 9 258J8 End Plate 1 10 H4158 Lock Washer 3 11 H2741P Screw 3 12 815J1 Switch 2 13 H3944 Locknut 4 14 427J1 Drive Pinion 1 15 258JG7 Frame and Guide Assembly 1 16 H1402P Screw 4 17 854823 Screw 2 18 H5520 Retaining Ring 1 19 H2981P Mounting Screw 2 20 H1210 Flat Head Screw 1 21 110J14 Post 1 FIGU...

Page 39: ...39 P N EC680 7 April 2017 Order 5041558 0 5041679 0 FIGURE 8 9 MOTOR BRAKE PARTS ...

Page 40: ... V Hoists B C 854JG5 Disc Brake Assembly 3 4 1 HP 208 V Hoists 2 857JG1 Plate and Frame Assembly 3 858JG1 Plate and Armature Assembly 4 859JG1 Plate and Stud Assembly 5 291J1 Brake Plate Ref No Usage Code Part No Description 6 JF 344 Spring 7 581J1A Brake Disc 8 JF 710 Retainer 9 H 3978 Locking Nut 10 A JF 853 1 Coil 115 V 60 Hz For Brake 854JG6 854JG1 B C JF 853 2 Coil 230 V 60 Hz For Brake 854JG...

Page 41: ...06 EC4008 9 G 3KG1 Hook Latch Assembly Models EC4006 EC4008 G 3KG6 Hook Latch Assembly Models EC2004 EC2008 11 G 16JG7 Sheave Bearing Assembly Models EC2004 EC2008 G J 16JG6 Sheave Bearing Assembly Models EC4006 EC4008 EC6005 12 G 30J2 Frame Models EC2004 EC2008 G 30J4 Frame Models EC4006 EC4008 Ref No Usage Code Part No Description 13 G J 122JG3 Shaft Assembly 14 G J 255K2 Washer 15 G J H2403P Sc...

Page 42: ...eet chain max 1 927JG20 Chain Container Kit 50 Feet chain max 2 927J17 Container 20 Feet chain max 2 927J18 Container 25 Feet chain max 2 927J19 Container 35 Feet chain max 2 927J20 Container 50 Feet chain max 3 267J3 Mounting Arm 4 53J4 Chain Section 5 H7929 Split Link 6 H2349 Screw FIGURE 8 11 CHAIN CONTAINER ASSEMBLIES 1 4 TON 1 2 TON MODELS Split Link is not required once chain container is in...

Page 43: ...43 P N EC680 7 April 2017 Order 5041558 0 5041679 0 FIGURE 8 12 CTA PLAIN TROLLEY ASSEMBLY ...

Page 44: ...e Bushing 2 6 51KG1 Sleeve and Adapter Assembly Parallel Mounted 1 6 51KG1 4 Sleeve and Adapter Assembly Cross Mounted 1 7 525K1 Thrust Bearing 125 Thick 2 8 33K23 Hand Chain Wheel 1 9 53A Hand Chain Specify Length 1 10 H5527 Retaining Ring 1 11 45JG1G 1 Geared Wheel Assembly 2 12 102K11 Axle 2 13 45J1G Geared Wheel 2 14 420K2 Gear 2 15 H5331 Pin 4 16 H2165 Screw 4 17 JF504 2 Ball Bearing 2 18 H55...

Page 45: ...ave worn or failed Parts applicable to your hoist should be stocked Part Name Qty Per Hoist Brake Disc 1 Upper Hook Assembly 1 Lower Hook Assembly 1 Upper Latch 1 Lower Latch 1 Load Chain Alterations or modifications of equipment and use of any parts other than COFFING EC manual hoist repair parts can lead to dangerous operation and injury TO AVOID INJURY Do not alter or modify equipment Only use ...

Page 46: ...46 P N EC680 7 April 2017 Order 5041558 0 5041679 0 NOTES ...

Page 47: ...47 P N EC680 7 April 2017 Order 5041558 0 5041679 0 NOTES ...

Page 48: ... the Goods the mechanical components of the Goods will be free from defects in workmanship and materials B IN THE EVENT OF ANY BREACH OF SUCH WARRANTY SELLER S SOLE OBLIGATION SHALL BE EXCLUSIVELY LIMITED TO AT THE OPTION OF SELLER REPAIR OR REPLACEMENT F O B SELLER S POINT OF SHIPMENT OF ANY GOODS THAT SELLER DETERMINES TO HAVE BEEN DEFECTIVE OR IF SELLER DETERMINES THAT SUCH REPAIR OR REPLACEMEN...

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