Table of Contents
Advertisement
OPERATING, MAINTENANCE
& PARTS MANUAL
ELECTRIC CHAIN
EC3-SERIES
Before installing hoist, fill in the information below.
Model Number
Serial No.
Purchase Date
Please provide Serial Number when ordering parts.
FOR MODELS
EC-2032
EC-8008
EC-4016
EC-8012
EC-4024
EC-10005
EC-6010
EC-10008
EC-6016
EC-6016
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
EC3-680-3 February 2017
Order # 5041558-0 & 5041679-0
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for Coffing Hoists EC3 Series
Summary of Contents for Coffing Hoists EC3 Series
- Page 1 OPERATING, MAINTENANCE & PARTS MANUAL ELECTRIC CHAIN EC3-SERIES Before installing hoist, fill in the information below. Model Number Serial No. Purchase Date Please provide Serial Number when ordering parts. FOR MODELS EC-2032 EC-8008 EC-4016 EC-8012 EC-4024 EC-10005 EC-6010 EC-10008 EC-6016 EC-6016 Follow all instructions and warnings for inspecting, maintaining and operating this hoist.
-
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 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: Safety Precautions
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. -
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: Application Information
(4) repair parts or accessories other than those supplied by Coffing Hoists are used on 1-3. HOIST CONSTRUCTION AND FEATURES the hoist. Equipment and accessories not of the seller’s manufacture are warranted only to the extent that they are warranted by the manufacturer. -
Page 7: Power Supply Connection
2-3. POWER SUPPLY CONNECTION NOTE: The upper and lower limit switches are factory set to provide the maximum allowable hook travel. This travel a. Disconnect power before making connections. adjustment should not be increased. However, the switches may be adjusted to stop the hook sooner at either end of b. -
Page 8: Parts List For Ct Trolley
FIGURE 2-1. COFFING CT TROLLEY TABLE 2-1. PARTS LIST FOR CT TROLLEY TABLE 2-2- TROLLEY I-BEAM ADJUSTMENT DATA Part Numbers “I” Beam Size Model No. Part Name 1, 2 & 4 Ton 3 & 5 Ton 10" 15" 18" 6" 8"... -
Page 9: Chain Container Installation
Max Hoist Lift (Feet) Ass'y No. DIM. "A" Single Double Triple Chain Chain Chain Do not attempt to store more chain in chain container than that 927JG201 16" – – specified in table or serious damage to hoist may result and 927JG202 20"... -
Page 10: Chain Container Installation
2-8. CHAIN CONTAINER INSTALLATION 3-4. OVERLOAD LIMITING PROTECTION a. Operate hoist in “down’’ direction until it is stopped by the limit This hoist is equipped with a factory-calibrated overload limiting switch. Disconnect the slack end of the chain from the hoist clutch, which will permit the lifting of loads within its load rating, by using a small screwdriver to slide the spring-loaded pin to but will prevent the lifting of damaging overloads while the hoist is... - Page 11 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 12: Periodic Inspection
INSPECTOR’S REPORT ITEM REMARKS (LlST DEFICIENCIES AND RECOMMENDED ACTION) Inspector’s Signature Date Inspected Approved By Date FIGURE 4-2. RECOMMENDED INSPECTOR’S REPORT 4-3. PERIODIC INSPECTION 4-4. LOAD BRAKE FUNCTION CHECK The exact period for the following inspections will depend on the To check the functioning of the mechanical load brake, proceed as anticipated severity of hoist use. -
Page 13: Chain Inspection
4-5. CHAIN INSPECTION Chain inspection and lubrication are the most important aspects of hoist maintenance. Removal of the chain from the hoist usually is not necessary, but the chain should be run through the hoist enough that every link is made visible for inspection. a. -
Page 14: Motor Break Adjustment
NOTE: If upper and lower limits are not operating satisfactorily, repeat adjustment. 5-3. MOTOR BRAKE ADJUSTMENT When properly adjusted, the multiple disc motor brake should release promptly, operate without noticeable chatter, and stop the load with no more than one inch of drift. If the hoist hesitates to lift the load promptly when the pushbutton is depressed. -
Page 15: Chain Replacement
FIGURE 5-3. TOP SUSPENSION ORIENTATION 5-5. CHAIN REPLACEMENT All standard top suspensions will be marked with a letter. Hoist (OLD CHAIN STILL IN HOIST) center sections have each tapped mounting hole marked by a cast- in number. In order to obtain proper alignment of the top suspension Refer to Figure 5-5, Chaining Diagrams, and proceed as follows: with the load block, letters and numbers must be placed adjacent to each other according to the following table. -
Page 16: Lubrication
5-6. LUBRICATION Proper lubrication is necessary for long, trouble-free hoist operation. Refer to the following and to Table 5-1, Recommended Lubrication Schedule, for lubrication points, type of lubricant, and frequency of lubrication. a. Load Chain. Clean the load chain with a non-acid and non caustic solvent and coat with SAE 90 gear oil. -
Page 17: Chaining Diagrams
FIGURE 5-5. CHAINING DIAGRAMS EC3-680-3 February 2017 Order # 5041558-0 & 5041679-0... -
Page 18: Chain Stop Installation
5-7. CHAIN STOP INSTALLATION d. If no chain container is used, reattach the slack end of the chain to the hoist. If a chain container is used, drop the slack end of Refer to Figures 8-6A. 6B and 6C, Chaining Parts, and proceed the chain into chain container. -
Page 19: Voltage Conversion
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: Wiring Diagram, Single Speed Hoist
FIGURE 7-1. 230/460V, 3 PHASE, SINGLE SPEED HOIST (WIRING DIAGRAM NO. 983LE2100-000) EC3-680-3 February 2017 Order # 5041558-0 & 5041679-0... -
Page 21: Wiring Diagram, Single Speed Hoist
FIGURE 7-2. WIRING DIAGRAM – 208, 380 & 575V, 3 PHASE, SINGLE SPEED HOIAST (WIRING DIAGRAM NO. 98*LE2100-00) *Factory supplied wiring diagrams will have numbers beginning with 985 for 575C, 987 for 208V and 988 for 380V. EC3-680-3 February 2017 Order # 5041558-0 &... -
Page 22: Wiring Diagram, Two Speed Hoist
FIGURE 7-3. WIRING DIAGRAM – 230, 460, 575 & 208V, 3 PHASE, TWO SPEED HOIST (WIRING DIAGRAM NO. 98*LE2200-00) EC3-680-3 February 2017 Order # 5041558-0 & 5041679-0... -
Page 23: Repair Parts List
Using “Commercial” or other manufacturer’s parts to repair the part and the reference illustration. If this is the case, the parts list COFFING Hoists may cause load loss. will show several different pan numbers with sufficient information to allow the selection of the correct part number. -
Page 24: Basic Hoist
FIGURE 8-1. BASIC HOIST Description Description 36J4 Brake Cover 676J2B Decal. Coffing Hoists 679J3 Decal. Power Requirements (230/460V) 36J3 Control Cover 679J3 Decal. Power Requirements (230V) 560J2 Gasket, Brake Cover 679J4 Decal. Power Requirements (460V) 33J13 Sheave Housing_ Motor Side 1, (2, 3. & 4 ton) 679J5 Decal. -
Page 25: Suspension Assembly Kits
FIGURE 8-2. SUSPENSION ASSEMBLY KITS Index No. Part No. Part Name 14J27 Swivel Hook Assembly, With Latch (1, 2, 3 & 4 Ton Models) 4X1309 Latch Kit 14J14 Trolley Lug Assembly (3 5/8") Plain and Geared Trolley-Parallel or Cross Mounted Motorized Trolley-Parallel Mounted ONLY, (1, 2 &... -
Page 26: Motor Parts
FIGURE 8-3. MOTOR PARTS Ref No Description 863J601B 2 HP Motor (230/460V-3Ph-60Hz) 863J602B 3 HP Motor (230/460V-3Ph-60Hz) 863J603B 2 HP Motor (575V-3Ph-60Hz) 863J604B 3 HP Motor (575V-3Ph-60Hz) 863J605B 2 HP Motor (208V-3Ph-60Hz) 863J606B 3 HP Motor (208V-3Ph-60Hz) 861J601B 1.67 HP Motor (380V-3-50HZ) 861J602B 2.5 HP Motor (380V-3-50HZ) 873J401... -
Page 27: 8-4A Controller Area (Single Speed Hoist)
FIGURE 8-4A. CONTROLLER AREA (SINGLE SPEED HOIST) Ref No Description Contactor, Reversing 25943 24V Coil 24729 115V Coil Transformer 821J432 Pri.: 230V/460V. Sec.: 24V 821J431 Pri.: 230V/460V. Sec.: 115V 821J452 Pri.: 575V. Sec.: 24V 821J451 Pri.: 575V. Sec.: 115V 821J472 Pri.: 208V. -
Page 28: 8-4B Controller Area (Two Speed Hoist)
FIGURE 8-4B. CONTROLLER AREA (TWO SPEED HOIST) Ref No Description Contactor, Reversing 25943 24V Coil 24729 115V Coil Speed Control Relay 820J34 24V Coil 820J35 115V Coil Transformer 821J432 Pri.: 230V/460V. Sec.: 24V 821J431 Pri.: 230V/460V. Sec.: 115V 821J452 Pri.: 575V. Sec.: 24V 821J451 Pri.: 575V. -
Page 29: Transmission
FIGURE 8-5. TRANSMISSION Description Description 400J7 High Speed Pinion H4157 Lock Washer H-5493 Dowel Pin 560K15 Transmission Adapter Gasket (Reference-See figure 8-1) 560J6 Transmission Cover Gasket (Reference-See figure 8-1) 404J3 Output Pinion H5387 Dowel Pin 405J1 Output Gear 35J3 Transmission Housing (Reference-See figure 8-1) 500K13 Bearing 34J2... -
Page 30: 8-6A Chaining Parts (Single Chain)
FIGURE 8-6A. CHAINING PARTS (SINGLE CHAIN) Description Description 16J9 Load Sheave 107JG8 7 Drive Coupling H6286 Pipe Plug 500K12 Bearing 19J3 Load Chain (Standard) 561K19 Seal 19J3Z Load Chain (Zinc Plated) 561K18 Seal 913JG2 Bottom Block Assembly (Consists of Ref No. 23-29) 33J13 Sheave Housing, Motor Side (Reference-See figure 8-1) 30J9... -
Page 31: 8-6B Chaining Parts (Double Chain)
FIGURE 8-6B. CHAINING PARTS (DOUBLE CHAIN) Description Description 16J9 Load Sheave Bottom Block Assembly (For 3 Ton Hoist) (Consists of Ref No. 914JG13 23-30) 500K12 Bearing Bottom Block Assembly (For 4 Ton Hoist) (Consists of Ref No. 914JG14 561K19 Seal 23-30) 561K18 Seal... -
Page 32: 8-6C Chaining Parts (Triple Chain)
FIGURE 8-6C. CHAINING PARTS (TRIPLE CHAIN) Description Description 16J9 Load Sheave Bottom Block Assembly (For 3 Ton Hoist) (Consists of Ref No. 914JG12 23-31) 500K12 Bearing 23 3M009A07S Bottom Hook Assembly with latch 561K19 Seal 4X1309 Latch Kit 561K18 Seal 28JG6 Chain Sprocket assembly 33J11... -
Page 33: 8-7A Standard Limit Switch Parts
FIGURE 8-7A. STANDARD LIMIT SWITCH PARTS USED ON STANDARD LIFT HOISTS Ref No Description 34J2 Transmission Cover (Reference - See Fig 8-1) 918JG4 Limit Switch and Shaft Assembly (Consists of Ref no 3- 12) 918JG3 Limit Switch Assembly (Consists of Ref No 4-8) JF900 3 Limit Switch Bracket Assembly (includes Ref no 5) JF531 4... -
Page 34: 8-7B Geared Limit Switch Parts
FIGURE 8-7B. GEARED LIMIT SWITCH PARTS USED ON LONG LIFT HOISTS Ref No Description 944JG6 Long Lift Limit Switch Asssembly (all items except 19) 129J1 Mounting Plate 255K l6 Thrust Washer PB-287 Spring SK6000-63Z Limit Switch Nut (Zinc/Silver) SK6000-63W Limit Switch Nut (Brass/Gold) 117JG2 Shaft and Gear Assembly JF531 4... -
Page 35: Motor Brake Parts
FIGURE 8-8. MOTOR BRAKE PARTS Ref No Description 854JG24 Brake Assembly (230V, for 2HP Hoists) 854JG20 Brake Assembly (230V, for 3HP Hoists) 854JG25 Brake Assembly (460V, for 2HP Hoists) 854JG21 Brake Assembly (460V, for 3HP Hoists) 854JG26 Brake Assembly (575V, for 2HP Hoists) 854JG22 Brake Assembly (575V, for 3HP Hoists) 854JG27... -
Page 36: Counterweights
FIGURE 8-9. COUNTERWEIGHTS Ref No Description 52J2 Counterweight (40 lbs) 52J3 Counterweight (20 lbs) S49 22 socket head cap screw H4157 LockWasher Pin, Threaded H3947 Sheave Housing, Motor Side (Reference - See Fig 8-1) Sheave Housing, Transmission Side (Reference - See Fig 8-1) 12951 Counterweight Kit (40 lbs) 12952... -
Page 37: Pushbutton (Single Speed Hoists)
FIGURE 8-10A. PUSHBUTTON (SINGLE SPEED HOISTS) Ref No Description Pushbutton Station & Control Cable Assembly (Consists of Ref. No 2-10) PB2100 6 Pushbuton Cable Assembly 6 ft. Cable Length (Consists of Ref No 2-10) PB2100 11 Pushbuton Cable Assembly 11 ft. Cable Length (Consists of Ref No 2-10) PB2100 16 Pushbuton Cable Assembly 16 ft. -
Page 38: 8-10B Pushbutton (Two Speed Hoists)
FIGURE 8-10B. PUSHBUTTON (TWO SPEED HOISTS) Ref No Description Pushbutton Station & Control Cable Assembly (Consists of Ref. No 2-9) PB2200 6 Pushbuton Cable Assembly 6 ft. Cable Length (Consists of Ref No 2-9) PB2200 11 Pushbuton Cable Assembly 11 ft. Cable Length (Consists of Ref No 2-9) PB2200 16 Pushbuton Cable Assembly 16 ft. - Page 39 NOTES EC3-680-3 February 2017 Order # 5041558-0 & 5041679-0...
- Page 40 NOTES EC3-680-3 February 2017 Order # 5041558-0 & 5041679-0...
- Page 41 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.
Need help?
Do you have a question about the EC3 Series and is the answer not in the manual?
Questions and answers