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OPERATING, MAINTENANCE
& PARTS MANUAL
ELECTRIC CHAIN
EC SERIES
Before installing hoist, fill in the information below.
Model Number
Serial No.
Purchase Date
Please provide Serial Number when ordering parts.
CAPACITIES:
1/4 TON
1/2 TON
1 TON
2 TON
3 TON
Follow all instructions and warnings for inspecting,
maintaining and operating this hoist.
The use of any hoist presents some 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 in manual may cause injury.
Columbus McKinnon Corporation
205 Crosspoint Parkway
Getzville, NY 14068
P/N EC680-7 April 2017
Order # 5041558-0 & 5041679-0
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Troubleshooting
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Summary of Contents for Coffing Hoists EC Series
- Page 1 OPERATING, MAINTENANCE & PARTS MANUAL ELECTRIC CHAIN EC SERIES Before installing hoist, fill in the information below. Model Number Serial No. Purchase Date Please provide Serial Number when ordering parts. CAPACITIES: 1/4 TON 1/2 TON 1 TON 2 TON 3 TON Follow all instructions and warnings for inspecting, maintaining and operating this hoist.
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Page 2: Master Parts Depots And Service Centers
COFFING HOIST PARTS AND SERVICES ARE AVAILABLE IN THE UNITED STATES AND IN CANADA As a COFFING Hoist and Trolley user you are assured of reliable repair and parts services through a network of Master Parts Depots and Service Centers that are strategically located in the United States and Canada. These facilities have been selected on the basis of their demonstrated ability to handle all parts and repair requirements promptly and efficiently. -
Page 3: Safety Precautions
Improper operation of a hoist can create a potentially Improper operation of a hoist can create a potentially hazardous situation which, if not avoided, could result in hazardous situation which, if not avoided, could result death or serious injury. To avoid such a potentially hazardous in minor or moderate injury. - Page 4 HOIST SAFETY IS UP TO YOU... DO NOT LIFT MORE THAN RATED LOAD. DO NOT PULL AT AN ANGLE. BE SURE HOIST AND LOAD ARE IN A STRAIGHT LINE. CHOOSE THE RIGHT HOIST FOR THE JOB... DO NOT USE LOAD CHAIN AS A SLING. Choose a hoist with the capacity for the job.
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Page 5: Table Of Contents
FOREWORD This manual contains important information to help you properly install, operate and maintain your hoist for maximum performance, economy and safety. Please study its contents thoroughly before putting your hoist into operation. By practicing correct operating procedures and by carrying out the recommended preventive maintenance suggestions, you will experience long, dependable and safe service. -
Page 6: General Information
SECTION I INTRODUCTION 1-4. BASIC HOIST DATA The basic hoist models covered by this manual are listed in Table 1-1. 1-1. GENERAL INFORMATION 1-5. APPLICATION INFORMATION This manual provides information for the safe operation and maintenance of Coffing® EC-1 Series Hoists. All persons operating This hoist is intended for general industrial use in the lifting and or maintaining these hoists should be familiar with the information transporting of freely suspended material loads within its rated... -
Page 7: Power Supply Connection
2-7. TROLLEY INSTALLATION a. Make sure that the hook latch closes after hanging the hoist. b. The standard top hook is restrained from rotation by a plate and For Motorized, Lug Mounted and Plain Trolley configurations refer to two screws. The hook can be made to swivel freely by removing manual included with the Trolley. -
Page 8: Washer Chart
STANDARD “Location A Location B Location C Location D Location E Location F BEAM Flange Width H4210 H4209 H4209 H4209 H4210 H4209 Size & Weight (Thin)” (Thick) (Thick) (Thick) (Thin) (Thick) 6" x 12.5# 3.332 6" x 17.3# 3.565 7" x 15.3# 3.662 7"... -
Page 9: Chain Container Installation
Slot For Spring Loaded Pin Small Screwdriver Slot For Mounting Arm Spring Loaded Pin Small Screwdriver Mounting Arm Chain Container Chain Container Hex Head Washer Screw CAUTION Hex Head Short edge of chain container Washer Screw body must be mounted toward CAUTION hoist (as shown). -
Page 10: General
SECTION III OPERATION 3-1. GENERAL This condition should be constantly checked on double or triple This section presents information concerning the proper operation chain hoists because it is possible for the load block to be of the Coffing Electric Chain Hoist. It is not intended to serve as “capsized”... -
Page 11: General
SECTION IV INSPECTION 4-3. PERIODIC INSPECTION The exact period for the following inspections will depend on the 4-1. GENERAL anticipated severity of hoist use. Determination of this period should be based on the user’s experience. It is recommended that the user A scheduled inspection routine should be established for this hoist begin with a monthly inspection and extend the periods to quarterly, based upon severity of use and environmental conditions. -
Page 12: Recommended Inspection And Maintenance Check List
INSPECTION SCHEDULE AND MAINTENANCE REPORT Type of Hoist Capacity (Tons) Location Original Installation Date Manufacturer Manufacturer’s Serial No. Frequency of Inspection Item Frequent Possible Deficiencies Action Required Periodic 1-12 Months Daily Monthly Any deficiency causing improper operation Operating Controls • •... -
Page 13: Load Brake Function Check
INSPECTOR’S REPORT Item Remarks (List Deficiencies and Recommended Action Inspector’s Signature Date Inspected Approved By Date FIGURE 4-2. RECOMMENDED INSPECTOR’S REPORT 4-4. LOAD BRAKE FUNCTION CHECK 4-5 CHAIN INSPECTION To check the functioning of the mechanical load brake, proceed as Chain inspection and lubrication are the more important aspects of follows: hoist maintenance. -
Page 14: Hook Throat Opening
4-6. HOOK THROAT OPENING c. Chain Inspection 1. Check the chain for overall wear or stretch by selecting an Use Table 4-1 (below) to check hook throat opening. unworn, unstretched length of chain (at the slack end, for example). Let the chain hang vertically with a light load (about 20 lbs.) on the chain to pull it taut. -
Page 15: Maintenance And Repeat
SECTION V MAINTENANCE AND REPEAT 3. Adjust the zinc limit switch nut in the same manner 5-1. GENERAL described above for the brass nut. This section provides instruction for the most common routine 4. Replace the short end cover and reconnect power to the hoist. maintenance and adjustments. -
Page 16: Chain Replacement
c. Install new suspension assembly and tighten socket head screws k. Adjust the lower limit switch per paragraph 5-2b. to 75 ft-lbs torque. l. Attach the bottom hook on single-chained hoists to the loose end of the chain. On double-chained hoists, feed the loose end 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. -
Page 17: Recommended Lubrication Schedule
POWER CORD NOTE POSITION OF SUSPENSION ASSEMBLY POWER CORD POWER CORD SINGLE CHAIN END VIEW AS VIEWED FROM END WITH SHORT END COVER DOUBLE CHAIN END VIEW AS VIEWED TRIPLE CHAIN FROM END WITH SIDE VIEW SHORT END COVER TRIPLE CHAIN END VIEW AS VIEWED FROM END WITH SHORT END COVER... -
Page 18: Troubleshooting
SECTION VI TROUBLESHOOTING 6-1. GENERAL Use the following table as an aid to troubleshoot your hoist. If you do not have an experienced machinist-electrician to do your repair work, we recommend that you send your hoist to an approved service center for repairs. Problem Probable Cause Remedy... -
Page 19: Wiring Diagrams
SECTION VI TROUBLESHOOTING Problem Probable Cause Remedy 1. Hoist overloaded. 1. Reduce load to within rated capacity of hoist. 2. Motor brake is dragging. 2. Check for proper brake adjustment or other defects. Sec paragraph 5-3. Lack of Proper 3. Low voltage. 3. -
Page 20: 115V, 230V - 3 Phase, 1-Speed Hoist
FIGURE 7-1. 115V, 230V - 1 PHASE, 1-SPEED HOIST 981EE2100-000 P/N EC680-7 April 2017 Order # 5041558-0 & 5041679-0... -
Page 21: 230V, 460V - 3 Phase, 1-Speed Hoist
FIGURE 7-2. 230V, 460V - 3 PHASE, 1-SPEED HOIST 983EE2100-000 P/N EC680-7 April 2017 Order # 5041558-0 & 5041679-0... -
Page 22: 208V, 380V 575V - 3 Phase, 1-Speed Hoist
FIGURE 7-3. 208V, 380V 575V - 3 PHASE, 1-SPEED HOIST 98* EE2100-000 P/N EC680-7 April 2017 Order # 5041558-0 & 5041679-0... -
Page 23: 208V, 230V, 460V, 575V - 3 Phase, 2-Speed Hoist
FIGURE 7-4. 208V, 230V, 460V, 575V - 3 PHASE, 2-SPEED HOIST 98* EE2200-000 P/N EC680-7 April 2017 Order # 5041558-0 & 5041679-0... -
Page 24: Repair Parts
Using “Commercial” or other manufacturer’s parts to repair the for that index number. Choose the correct usage code by COFFING Hoists may cause load loss. comparing the model number or electrical characteristics of your hoist with the usage codes above. -
Page 25: Suspension Assemblies
PARTS LIST FOR SUSPENSION ASSEMBLIES 2 TON & UNDER MODELS 3 TON MODEL ONLY 2 TON & UNDER MODELS 3 TON MODEL ONLY 2 TON & UNDER MODELS 3 TON MODEL ONLY 2 TON & UNDER MODELS FIGURE 8-1 - SUSPENSION ASSEMBLIES Index No. -
Page 26: Basic Hoist
FIGURE 8-2 BASIC HOIST Country Club Road P .O. Box 779 Wadesboro, NC 28170 USA TEL: (800) 477-5003 FAX: (800) 374-6853 24A & B P/N EC680-7 April 2017 Order # 5041558-0 & 5041679-0... - Page 27 FIGURE 8-2 BASIC HOIST Index No. Usage Part No. Part Name 36J1 Brake Cover 36J2 Electrical Cover 560J4 Gasket, brake & Electrical Covers 33J1 Sheave Housing (Models EC-2012, EC2016, EC4006 & EC4008) 33J2 Sheave Housing (Models EC0564 & EC1032) 33J2-1 Sheave Housing (EC0516, EC0532, EC1009, EC1016, EC2004 &...
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Page 28: 8-3A Motor Parts (One Speed)
FIGURE 8-3A MOTOR PARTS (ONE SPEED) † Refer to the motor nameplate for part number, voltage, full load amperage, horsepower, and other motor information. Part No. Description Part No. Description Adaptor Plate (1HP Only) Hoist Motor (1-Speed) Stator Assembly 861J241B 1/4 hp, 115/230V-1Ph Rotor Assembly 861J242B... -
Page 29: 8-3B Motor Parts (Two Speed)
FIGURE 8-3B MOTOR PARTS (TWO SPEED) Qty. † Refer to the motor nameplate for part number, voltage, full load amperage, horsepower, and other motor information. Part No. Description Part No. Description Hoist Motor (2-Speed) Adaptor Plate (1HP Only) 873J241B 1/4 hp, 230V-3Ph-60Hz Stator Assembly 873J242B 1/2 hp, 230V-3Ph-60Hz... -
Page 30: Parts List For Electrical Parts For 115/230V - 1-Phase Models
Columbus McKinnon Corporation Amherst, NY USA PARTS LIST FOR ELECTRICAL PARTS FOR 115/230V - 1-PHASE MODELS Standard Dimensional Dimensional Units Tolerances Unless INCH Otherwise Specified Columbus McKinnon Corporation 0" to 60" Over 60" Hoist & Rigging - Americas .020 .025 .010 .015 Amherst, NY USA... -
Page 31: Parts List For Electrical Parts For 3-Phase Models
Columbus McKinnon Corporation Amherst, NY USA 1-Speed 230/460V Only PARTS LIST FOR ELECTRICAL PARTS FOR 3-PHASE MODELS 2-Speed Only Standard Dimensional Dimensional Units Tolerances Unless INCH Otherwise Specified Columbus McKinnon Corporation 0" to 60" Over 60" Hoist & Rigging - Americas .020 .025 .010... - Page 32 FIGURE 8-5 TRANSMISSION P/N EC680-7 April 2017 Order # 5041558-0 & 5041679-0...
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Page 33: Transmission
Usage Usage Ref No. Part No. Description Ref No. Part No. Description Code Code 401J3 Input Gear (Models EC-0532 & EC-1032) Motor, Complete 34JG1 Transmission Cover 401J5 Input Gear (Models EC-2016, EC-4008 & EC-6005) 561 K2 Seal 401J9 Input Gear (Models EC-1009 & EC-2004) MA-562 Seal 591JG1... -
Page 34: Chaining Parts
3 Ton Model Only FIGURE 8-6 CHAINING PARTS Usage Usage Ref No. Part No. Description Ref No. Part No. Description 3 Ton Model Only Code Code Sheave Shaft (Ref. #28, Figure 8-5) 500K28 Bearing 16J2 Sheave (1/4 in Chain) 500K5 Bearing 16J1 Sheave (9/32 in Chain) -
Page 35: 8-7A Push Button (Single Speed Hoists)
FIGURE 8-7A PUSH BUTTON (SINGLE SPEED HOISTS) Ref No. Part No. Description Push Button Station & Control Cable Assembly (Consists of Ref. No 2-10) PB2100 6 Push Button Cable Assembly 6 ft. Cable Length (Consists of Ref No 2-10) PB2100 11 Push Button Cable Assembly 11 ft. -
Page 36: 8-7B Push Button (Two Speed Hoists)
FIGURE 8-7B PUSH BUTTON (TWO SPEED HOISTS) Ref No. Part No. Description Push Button Station & Control Cable Assembly (Consists of Ref. No 2-9) PB2200 6 Push Button Cable Assembly 6 ft. Cable Length (Consists of Ref No 2-9) PB2200 11 Push Button Cable Assembly 11 ft. -
Page 37: 8-8A Parts List For Limit Switch Assembly
FIGURE 8-8A PARTS LIST FOR LIMIT SWITCH ASSEMBLY Ref No. Part No. Description 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... -
Page 38: 8-8B Parts List For Long Lift Limit Switch Assembly
FIGURE 8-8B PARTS LIST FOR LONG LIFT LIMIT SWITCH ASSEMBLY Ref No. Part No. Description 944JG6 Long Lift Limit Switch Asssembly (all items except 19) 129J1 Mounting Plate 255K 16 Thrust Washer PB-287 Spring SK6000-63Z Limit Switch Nut (Zinc/Silver) SK6000-63W Limit Switch Nut (Brass/Gold) 117JG2 Shaft and Gear Assembly... -
Page 39: Motor Brake Parts
FIGURE 8-9 MOTOR BRAKE PARTS P/N EC680-7 April 2017 Order # 5041558-0 & 5041679-0... - Page 40 Ref No. Usage Code Part No. Description Ref No. Usage Code Part No. Description Disc Brake Assembly (1/4 & 1/2 JF-344 Spring 854JG6 HP, 115/230 V Hoists) 581J1A Brake Disc Disc Brake Assembly (3/4 & 1 JF-710 Retainer 854JG1 HP, 115/230 V Hoists) H-3978 Locking Nut Disc Brake Assembly (1/4 &...
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Page 41: 8-10A 1/4 Ton & 1/2 Ton Models
FIGURE 8-10A. (1/4 TON & 1/2 TON MODELS) FIGURE 8-10B. (1TON MODELS) FIGURE 8-10C. (DOUBLE CHAIN MODELS) FIGURE 8-10D. (TRIPLE-CHAIN MODELS) 3 TON ONLY Ref No. Usage Code Part No. Description Ref No. Usage Code Part No. Description 3JG20S Hook & Latch Assembly 122JG3 Shaft Assembly 4X1304... -
Page 42: Chain Container Assemblies (1/4 Ton & 1/2 Ton Models)
FIGURE 8-11. CHAIN CONTAINER ASSEMBLIES (1/4 TON & 1/2 TON MODELS) Index Part No. Part Name 927JG17 Chain Container Kit (20 Feet chain max.) 927JG18 Chain Container Kit (25 Feet chain max.) 927JG19 Chain Container Kit (35 Feet chain max.) 927JG20 Chain Container Kit (50 Feet chain max.) 927J17... -
Page 43: Cta Plain Trolley Assembly
FIGURE 8-12. CTA PLAIN TROLLEY ASSEMBLY P/N EC680-7 April 2017 Order # 5041558-0 & 5041679-0... -
Page 44: Cta Geared Trolley Assembly
FIGURE 8-13. CTA GEARED TROLLEY ASSEMBLY Ref No. Part No. Description H5501 Retaining Ring 420K1 Pinion 525K2 Thrust Bearing (.063" Thick) 100K14 Gear Shaft (Parallel-Mounted) 100K14-3 Gear Shaft (Cross-Mounted) 530K6 Sleeve Bushing 51KG1 Sleeve and Adapter Assembly (Parallel-Mounted) 51KG1-4 Sleeve and Adapter Assembly (Cross-Mounted) 525K1 Thrust Bearing (.125"... -
Page 45: Recommended Spare Parts
RECOMMENDED SPARE PARTS To ensure continued service of your hoist, the following is a list of parts that are recommended to be kept on hand at all times to replace parts that have worn or failed. Parts applicable to your hoist should be stocked. - Page 46 NOTES P/N EC680-7 April 2017 Order # 5041558-0 & 5041679-0...
- Page 47 NOTES P/N EC680-7 April 2017 Order # 5041558-0 & 5041679-0...
- Page 48 WARRANTY LIMITATION OF WARRANTIES, REMEDIES AND DAMAGES THE WARRANTY STATED BELOW IS GIVEN IN PLACE OF ALL OTHER B. IN THE EVENT OF ANY BREACH OF SUCH WARRANTY, SELLER’S SOLE WARRANTIES, EXPRESS OR IMPLIED, OF MERCHANTABILITY, FITNESS FOR OBLIGATION SHALL BE EXCLUSIVELY LIMITED TO, AT THE OPTION OF A PARTICULAR PURPOSE, OR OTHERWISE, NO PROMISE OR AFFIRMATION SELLER, REPAIR OR REPLACEMENT, F.O.B.
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