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ELECTRIC 

CHAIN HOIST 

ER2 and NER2 

SERIES 

1/8 Ton through 5 Ton Capacity 

EFFECTIVE:  August 2, 2017

Code, Lot and Serial Number

This  equipment  should  not  be  installed,  operated,  or 
maintained by any person who has not read and understood 
all the contents of this manual.  Failure to  read and comply 
with the contents of this manual can result in serious bodily 
injury or death, and/or property damage.

Summary of Contents for ER2 Series

Page 1: ...Code Lot and Serial Number This equipment should not be installed operated or maintained by any person who has not read and understood all the contents of this manual Failure to read and comply with...

Page 2: ...nting Location 3 4 Mounting the Hoist 3 5 Electrical Connections 3 6 VFD Setup Dual Speed Only 3 7 Preoperational Checks and Trial Operation 4 0 25 4 1 Introduction 4 2 4 3 Hoist Controls 5 0 29 5 1 G...

Page 3: ...Lubrication Load Chain Hooks and Suspension 6 3 Lubrication Gearbox 6 4 Motor Brake 6 5 Load Chain 6 6 Friction Clutch and Mechanical Load Brake with Friction Clutch 6 7 Storage 6 8 Outdoor Installat...

Page 4: ...damage Notice is used to notify people of installation operation or maintenance information which is important but not directly hazard related These general instructions deal with the normal installa...

Page 5: ...quired for the crane and monorail to comply with applicable crane design and safety standards The crane designer crane manufacturer or user is responsible to furnish these additional items Run Running...

Page 6: ...nstall inspect test maintain and operate a hoist in accordance with National Electric Code If the hoist is installed as part of a total lifting system such as an overhead crane or monorail it is also...

Page 7: ...The warning tag illustrated below in Figure 1 1 is supplied with each hoist shipped from the factory If the tag is warnings attached to this hoist Tag is not shown actual size front back Figure 1 1 W...

Page 8: ...ct Code 2 1 2 ER2 and NER2 Models Harrington ER2 series hoists are available in two versions the ER2 and NER2 These two versions differ with the presence of a mechanical load brake as standard equipme...

Page 9: ...y Voltage Single Speed Standard Reconnectable 208 230 460V 3 60 Single Speed Optional 575V 3 60 or Special Voltages Frequencies Available Dual Speed Standard 208 230V 3 60 or 460V 3 60 Dual Speed Opti...

Page 10: ...ER2020S 28 4 7 16 4 7 9 10 2 x 1 5 201 198 1 6 2 1 2 N ER2025S 22 4 7 16 4 7 9 11 2 x 1 5 227 225 1 9 3 N ER2030C 17 4 7 16 4 7 9 10 2 x2 5 234 234 3 2 5 N ER2050L 11 4 7 16 4 7 9 11 2 x 2 5 289 284 3...

Page 11: ...B 1 1 0 7 0 9 0 7 1 4 1 1 001HCC 003SCC T 1 1 0 7 0 9 0 7 1 4 1 1 B 0 8 0 5 0 7 0 5 1 4 1 1 010L 010S T B 1 5 0 9 1 2 0 9 1 7 1 2 020C T B 1 9 1 1 1 6 1 1 2 0 1 5 015S T 2 0 1 3 1 7 1 3 2 1 1 5 B 1 7...

Page 12: ...1 6 6 9 5 6 5 6 N ER2030C 32 9 9 2 27 6 30 8 16 8 16 8 13 6 16 8 14 0 14 0 1 8 8 5 3 2 3 2 N ER2050L 33 5 9 2 28 9 32 5 17 5 17 5 13 2 16 8 15 7 15 7 1 9 9 1 3 3 3 3 DUAL SPEED N ER2001HD 13 8 8 2 21...

Page 13: ...al load brake equipped hoists are shipped with a separate air vented oil cap This vented oil cap must be installed prior to use To install remove an existing oil plug and replace with the vented oil c...

Page 14: ...oad end of the chain to Chain Guide A with the End Suspender provided For 5 ton hoist connect the no load end of the chain directly to Chain Guide A if Chain Guide A is notched to accept the chain Mak...

Page 15: ...body and the chain stopper is installed on the third link from the free end To place the chain into the chain container feed the free end of the chain into the container Take care to avoid twisting o...

Page 16: ...6 Correct all chain irregularities before conducting the first hoist operation Figure 3 5 Twist in Load Chain 2 3 and 5 Ton Double Fall Models Figure 3 6 Capsized Hook and Chain Double Fall Models 3 3...

Page 17: ...ped with a VFD The VFD is used to control the high and low lifting speeds The speeds come preset from the factory See Table 3 6 Speed frequency can be customized Refer to Section 3 6 10 for hoist spec...

Page 18: ...e Connections 3 5 8 Connection to Electrical Power Source The red blue and black wires of the Power Supply Cable should be connected to an Electric Power Disconnect Switch or Circuit Breaker This conn...

Page 19: ...ation 3 6 3 All dual speed hoists are equiped with a VFD The VFD is used to control the high and low lifting speeds The speeds come preset from the factory Table 3 6 Speed frequency can be customized...

Page 20: ...in the display Table 3 3 shows the corresponding digital characters to its English eqivalent Table 3 3 Digital Character Key Character Digital Display Character Digital Display Character Digital Displ...

Page 21: ...0 8 0 7 2 55 0 54 0 N ER2010LD Low 1 1 14 2 6 2 5 53 5 54 0 2 8 2 5 55 0 54 0 Std 2 5 14 7 3 7 3 53 5 54 0 8 0 7 2 55 0 54 0 N ER2010SD Low 2 2 28 2 3 2 1 53 0 53 5 2 7 3 0 53 0 53 5 Std 4 5 28 7 3 7...

Page 22: ...to display the parameter setting screen blinking 4 Press or until the desired parameter is displayed blinking Low Speed d1 01 High Speed d1 02 5 When you press the current setting value is displayed d...

Page 23: ...e values that may be changed Title Parameter Description Min Frequency Hz Low Speed d1 01 Default setting dependant upon hoist Refer to Table 3 7 Max frequency Hz High Speed d1 02 Default setting depe...

Page 24: ...ed and securely installed on the beam 3 7 7 Ensure that all nuts bolts and split pins cotter pins are sufficiently fastened 3 7 8 Pull down on the Pendant and ensure that the Cord Strain Relief Cable...

Page 25: ...E ADJUSTMENT OR REPAIR AND TO BE INSTRUCTED TO STOP OPERATION IF SUCH MALFUNCTIONS OCCUR AND TO IMMEDIATELY ADVISE THEIR SUPERVISOR SO CORRECTIVE ACTION CAN BE TAKEN HOIST OPERATORS SHOULD HAVE NORMAL...

Page 26: ...ontaminants NOT operate hoist when it is restricted from forming a straight line from hook to support in the direction of loading NOT use load chain as a sling or wrap load chain around load NOT apply...

Page 27: ...Make sure the load is free to move and will clear all obstructions Avoid swinging the load or hook Make sure hook travel is in the same direction as shown on controls Inspect the hoist regularly repl...

Page 28: ...rol depress the UP button to raise the hoist load chain hook or the DOWN button to lower the hoist load chain hook as shown in Figure 4 1 To stop motion release the buttons 4 3 4 Dual Speed Pendant Co...

Page 29: ...modified hoists shall be inspected by a designated person to ensure compliance with the applicable provisions of this manual 5 2 2 Inspection Classification the inspection procedure for hoists in reg...

Page 30: ...on such that the hoist is maintained in safe working condition 5 4 2 For inspections where load suspension parts of the hoist are disassembled a load test per ANSI ASME B30 16 must be performed on the...

Page 31: ...so indicate Such disassembly and further inspection should only be performed by a qualified person trained in the disassembly and re assembly of the hoist Table 5 3 Hoist Inspection Methods and Crite...

Page 32: ...e or replace as required Hooks Hook Latches Visual Function Latch should not be deformed Attachment of latch to hook should not be loose Latch spring should not be missing and should not be weak Latch...

Page 33: ...sually or via detection of unusual sounds or vibration during operation Replace Bolts Nuts and Rivets Visual Check with Proper Tool Bolts nuts and rivets should not be loose Tighten or replace as requ...

Page 34: ...cuits for opposing motions e g up and down Repair or replace as necessary Pendant Cord Visual Electrical Continuity Surface of cord should be free from nicks gouges and abrasions Each conductor in cor...

Page 35: ...99 25 2 020C 2 46 62 5 1 57 40 0 1 42 36 0 1 14 29 0 1 02 26 0 020L 020M 020S 025S 2 72 69 0 1 71 43 5 1 63 41 3 1 24 31 5 1 18 29 9 030L 030C 2 87 73 0 1 87 47 5 1 78 45 1 1 36 34 5 1 29 32 8 050L 3...

Page 36: ...1 84 0 3 41 86 5 0 24 6 0 0 21 5 4 010L 010S 020C 4 25 108 0 4 38 111 2 0 30 7 7 0 27 6 9 015S 020L 020S 030C 5 63 143 0 5 80 147 2 0 40 10 2 0 36 9 2 025S 030L 050L 6 18 157 0 6 37 161 7 0 44 11 2 0...

Page 37: ...on inch mm Discard Single 001H to 020L 0 030 0 75 020S to 050L 0 043 1 10 Dual 001HD 003SD 005LD 0 024 0 60 003HD 005SD to 020LD 0 016 0 40 020SD to 050LD 0 020 0 50 Figure 5 4 Hub Joint Note Hub Join...

Page 38: ...L 005S 0 12 3 0 0 08 2 0 010L 010S 020C 0 18 4 5 0 12 3 0 015S 020L 020S 030C 0 26 6 5 0 17 4 3 025S 030L 050L 0 29 7 3 0 19 4 9 Table 5 9 Chain Spring Length Dimensions Capacity Code inch mm Standard...

Page 39: ...the display will automatically 1 The example in Figure 6 1 is as follows I Operating Hours 1 089 hours Number of Starts 2 031 091 starts Figure 6 1 Count Hour Meter 6 1 2 Contactor The C H Meter can b...

Page 40: ...ion under 1 000 starts 1 to 999 the value of U7 01 is incremented by 1 and the value of U7 02 is reset to 0 U7 03 Hours of Operation The number of hours of operation in both the up and down directions...

Page 41: ...le Brake 6 1 6 Hook and Yoke The C H Meter can be used to determine when the Top Bottom Hook and Yoke should be replaced Refer to Table 6 6 Table 6 6 Criteria for Top Bottom Hook and Yoke Replacement...

Page 42: ...nd Suspension Components Hooks Bearings should be cleaned and lubricated at least once per year for normal usage Clean and lubricate more frequently for heavier usage or severe conditions Suspension P...

Page 43: ...03S 2 95 75 003H 005L 005S 3 94 100 010L 010S 020C 3 94 100 015S 020L 020S 030C 4 72 120 025S 030L 050L 5 12 130 6 3 5 REPLACING OIL Change gear oil at least once every 5 years The oil should be chang...

Page 44: ...CALTEX ER2 Gear Oil Harrington standard Farm Gear B NIPPON OIL Harrington Part Numbers 7019801 1 Quart 7019802 2 Gallons 6 4 Motor Brake 6 4 1 The motor brake on the NER2 ER2 hoist is not adjustable 6...

Page 45: ...Section 3 2 for the proper locations 8 Double falls 020C 030C 050L Feed the end link on the load side of the new chain through the required chain components step 4 above and the bot chain components t...

Page 46: ...the weather at all times 6 8 2 Possibility of corrosion on components of the hoist increases for installations where salt air and high humidity are present The hoist may require more frequent lubrica...

Page 47: ...ubleshooting Guide Symptom Cause Remedy Hoist moving in wrong direction Power supply reversed phased Switch 2 of the 3 power supply cord wires at the power source Refer to Section 3 7 11 for instructi...

Page 48: ...coils for open or short circuit Check all connections on motor circuit Check for burned contacts Replace as needed Faulty VFD dual speed only Check fault codes Reference Section 3 6 Reset VFD by pres...

Page 49: ...Motor or brake overheating Excessive load Reduce load to within rated capacity of hoist Excessive duty cycle Reduce frequency of lifts Wrong voltage or frequency Check voltage and frequency of power s...

Page 50: ...c place of business to customer Customer must obtain a Return Goods Authorization as directed by Harrington or Harringto published repair center prior to shipping product for warranty evaluation An ex...

Page 51: ...ovided on the cover of this manual ER2 NER2 Series Nameplate The parts list is arranged into the following sections Section Page 9 52 9 56 9 3 Hook and Chain 60 9 4 Electric Parts Single Speed 78 9 84...

Page 52: ...ake Cover F 1 ER2BS9115 ER2CL9115 ER2CS9115 ER2CL9115 ER2DS9115 ER2CS9115 M ER2CL9149 ER2CL9149 ER2DL9149 5 Packing B 1 ER2BS9119 ER2CS9119 ER2CL9119 ER2DS9119 ER2CS9119 6 Set Pin S 2 ES120003 7 Socke...

Page 53: ...I6103 M ER2BS6102 ER2CS6102 ER2DS6102 26 Oil Plug 1 E3S111003 27 Plug Packing 1 E3S112003 28 Spring Pin 1 9148128 E3S129005S 29 Packing G F 1 ER2BS9116 ER2CS9116 ER2DS9116 M 2 30 Set Pin S F 2 ES12000...

Page 54: ...25S 050L 1 Fan Cover 1 ER2DS9107 ER2ES9107 2 Fan 1 ER2DS9108 ER2ES9108 3 Snap Ring 1 9047116 9047122 4 Brake Cover F 1 ER2DS9115 ER2ES9115 M ER2EL9149 5 Packing B 1 ER2DS9119 ER2ES9119 6 Set Pin S 2 E...

Page 55: ...6102 26 Oil Plug 1 E3S111003 27 Plug Packing 1 E3S112003 28 Spring Pin 1 E3S129005S 29 Packing G F 1 ER2ES9116 ER2FS9116 M 2 30 Set Pin S F 2 ES120010S M 4 31 Socket Bolt F 4 5 9091280 9091286 9091280...

Page 56: ...56 9 2 Gearing Parts Figure 9 2 1 Gearing Parts...

Page 57: ...e Complete Assembly M 1 ER2BH1274 ER2BS1274 ER2CH1274 ER2CS1274 ER2CL1274 ER2DS1274 ER2DL1274 15 Wave Washer F 1 E1DBX20S9311 16 Nut Cover F 1 ER1CS9235 17 Name Plate FP Adjustment Of Friction Clutch...

Page 58: ...58 9 2 Gearing Parts Figure 9 2 2 Gearing Parts...

Page 59: ...r F 1 ER1DS9234 ER2ES9234 16 Nut Cover F 1 ER1DS9235 ER2ES9235 17 Name Plate FP Adjustment Of Friction Clutch Prohibited F 1 ER1BS9892 18 Gear B Assembly F 1 ER2EM5262 ER2EL5262 ER2FS5262 M ER2EM5306...

Page 60: ...60 9 3 Hook and Chain Parts Figure 9 3 1 Hook and Chain Parts...

Page 61: ...on Rubber 2 ER2BS9053 ER1CS9053 23 Stopper Assembly 1 ES1045003 ER2CS1041 24 Bottom Hook Complete Assembly 1 ER2BH1011 ER2BS1011 ER2CH1011 ER2CS1011 25 Hook Latch 1 ER2CS1002 26 Plastic Chain Containe...

Page 62: ...62 9 3 Hook and Chain Parts Figure 9 3 2 Hook and Chain Parts...

Page 63: ...F554010 19 Guide Roller 1 ER2DS9333 20 Roller Pin 1 ER1CS9334 21 Limit Lever 1 ER2DS9337 22 Limit Lever Pin 1 ER2DS9338 23 Limit Lever Spring 1 ER2CS9357 24 Cushion Rubber 2 ER1DS9053 25 Stopper Assem...

Page 64: ...64 9 3 Hook and Chain Parts Figure 9 3 3 Hook and Chain Parts...

Page 65: ...8 ER2ES9338 ER2EL9338 23 Limit Lever Spring 1 ER2CS9357 24 Limiting Plate 1 ER1ES9054 25 Chain Spring 1 E7SS020S9047 ER1DL9051 26 Cushion Rubber 1 ER1ES9053 27 Cushion Rubber 1 ER1ES9053 28 Stopper As...

Page 66: ...66 9 3 Hook and Chain Parts Figure 9 3 4 Hook and Chain Parts...

Page 67: ...ing Washer 4 E6F151003 21 Guide Roller 1 ER1DS9333 22 Roller Pin 1 ER1DL9334 23 Limit Lever 1 ER2DS9337 24 Limit Lever Pin 1 ER2DS9338 25 Limit Lever Spring 1 ER2CS9357 26 Cushion Rubber 2 ER1DS9053 2...

Page 68: ...68 9 3 Hook and Chain Parts Figure 9 3 5 Hook and Chain Parts...

Page 69: ...Guide Roller 1 ER1DL9333 22 Roller Pin 1 ER1DL9334 23 Limit Lever 1 ER2ES9337 24 Limit Lever Pin 1 ER2ES9338 25 Limit Lever Spring 1 ER2CS9357 26 Cushion Rubber 1 ER1EM9053 27 Limiting Plate 1 ER1ES90...

Page 70: ...70 9 3 Hook and Chain Parts Figure 9 3 6 Hook and Chain Parts...

Page 71: ...d Trolley 1 ER2FS9031 10 Connection Shaft Assembly 1 ER2FS6121 11 Shaft Plug 1 ER2FS9128 12 O Ring 2 9013317 13 Fixing Shaft Assembly 1 ER2FS6122 14 Fixing Shaft Plug 1 ER2FS9131 15 O Ring 2 9013307 1...

Page 72: ...72 9 3 Hook and Chain Parts Figure 9 3 7 Hook and Chain Parts...

Page 73: ...S9338 10 Limit Lever Spring 1 ER2CS9357 11 Limiting Plate 1 ER1FH9054 12 Chain Spring 1 ER1EM9051 13 Cushion Rubber 1 ER1EM9053 14 Stopper Assembly 1 ER1ES1041 15 Canvas Chain Container Assembly Max L...

Page 74: ...74 9 3 Hook and Chain Parts Figure 9 3 8 Hook and Chain Parts...

Page 75: ...13 Top Pin Plug Assembly 1 ER2FS6128 14 O Ring 2 9013317 15 Fixing Shaft Assembly 1 ER2FS6122 16 Fixing Shaft Plug Assembly 1 ER2FS6131 17 O Ring 2 9013307 18 Plate A 1 ER1ES9123 19 Socket Bolt With...

Page 76: ...76 9 3 Hook and Chain Parts Figure 9 3 9 Hook and Chain Parts...

Page 77: ...er 1 ER2FS9337 9 Limit Lever Pin 1 ER2FS9338 10 Limit Lever Spring 1 ER2CS9357 11 Cushion Rubber 1 ER1EM9053 12 Stopper Assembly 2 ER1ES1041 13 Limiting Plate 1 ER1FH9054 14 Chain Spring 2 ER1EM9051 1...

Page 78: ...78 9 4 Electric Parts Single Speed Figure 9 4 1 Electric Parts Single Speed...

Page 79: ...ECP91CHAF ECP91CHAE 13 CH Meter Support 1 ECP99BKBA 14 Rectifier 1 ECP93DIAA 15 Fuse 1 9006275 16 Fuse Holder 1 ECP92FZAA 17 Name Plate CH 1 ECP99CHAA 18 Terminal Block 6P 1 ECP1306AD 19 Fulcrum Pin 1...

Page 80: ...80 9 4 Electric Parts Single Speed Figure 9 4 2 Electric Parts Single Speed...

Page 81: ...er Support 1 ECP99BKBA 14 Rectifier 1 ECP93DIAA ECP94DIAA 15 Fuse 1 9006275 16 Fuse Holder 1 ECP92FZAA 17 Name Plate CH 1 ECP99CHAA 18 Terminal Block 6P 1 ECP1306AD ECP1306AD ECP1306AF 21 Machine Scre...

Page 82: ...82 9 4 Electric Parts Single Speed Figure 9 4 3 Electric Parts Single Speed...

Page 83: ...Support 1 ECP99BKBA 14 Rectifier 1 ECP94DIAA 15 Fuse 1 9006275 16 Fuse Holder 1 ECP92FZAA 17 Name Plate CH 1 ECP99CHAA 18 Terminal Block 6P 1 ECP1306AF 21 Machine Screw 2 9798512 22 Fulcrum Pin 1 ER2...

Page 84: ...84 9 5 Electric Parts Dual Speed Figure 9 5 1 Electric Parts Dual Speed...

Page 85: ...ECP91KB02 10A Fuse 1 9006275 11 Board Support 1 ECP99BKAA 12 Transformer 2V 1 TRF32C612 4V TRF32N612 13 Rectifier 1 ECP93DIAA 14 Terminal Block 6P 1 ECP1306AD 15 Fulcrum Pin 1 ER2CS9449 16 Cover Suspe...

Page 86: ...86 9 5 Electric Parts Dual Speed Figure 9 5 2 Electric Parts Dual Speed...

Page 87: ...21 INV615M21 INV622M21 10 Interface Board 1 ECP91KB02 10A Fuse 1 9006275 11 Board Support 1 ECP99BKAA 12 Transformer 2V 1 TRF32C612 4V TRF32N612 13 Rectifier 1 ECP93DIAA 14 Terminal Block 6P 1 ECP1306...

Page 88: ...88 9 5 Electric Parts Dual Speed Figure 9 5 3 Electric Parts Dual Speed...

Page 89: ...99BKAA 12 Transformer 2V 1 TRF32C612 4V TRF32N612 13 Rectifier 1 ECP94DIAA ECP94DIAA 14 Terminal Block 6P 1 ECP1306AF ECP1306AF 17 Machine Screw 2 9798512 18 Fulcrum Pin 1 ER2CS9449 19 Cover Suspender...

Page 90: ...90 9 6 Power Supply and Pendant Parts Figure 9 6 1 Power Supply and Pendant Parts Plug Connection...

Page 91: ...crew W Spring Washer 6 MS561010 10 Socket Frame Packing 1 ER2CS9512 11 Power Supply Cable 4C Assembly 1 ZBZA12CH1000 ZBZA12AH1000 12 Power Supply Cable 4C ft 16 4 14 4 13 Plug 4P 1 ECP2304AD ECP2304AF...

Page 92: ...92 9 6 Power Supply and Pendant Parts Figure 9 6 2 Power Supply and Pendant Parts Direct Connection...

Page 93: ...Power Supply Cable 4C Assembly 1 ZBZA12CH1000 ZBZA12AH1000 12 Power Supply Cable 4C ft 16 4 14 4 13 Cable Support Arm 1 ER1BS9541 14 Cable Sup 12 Assembly 1 ES822003 Cable Sup 14 Assembly MS1724010 15...

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Page 96: ...Harrington Hoists Inc 401 West End Avenue Manheim PA 17545 Toll Free 800 233 3010 Phone 717 665 2000 Fax 717 665 2861 ER2OM ENG...

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