Harrington Hoists ER2 User's Manual
Contents
1. 16 Table 5 6 Chain Spring Length Dimensions Capacity Code standar Discard 17 6 0 Maintenance and Handling 6 2 Lubrication 6 2 1 Load Chain Refer to 6 2 1 of the ER2OM 6 2 2 Hooks and Suspension Components Refer to 6 2 2 of the ER2OM 6 23 Gear Box Refer to 6 3 of the ER20M except use the following table for checking oil level Table 6 1 ER Mechanical Load brake Equipped Gear Oil Check Distances l Check Distance 080S 100L 100S 0150S 200S 6 3 Brake Stator Brake gap enlarged Capacity Code Gap Discard Dimension inch mm 0805 100L 1005 1505 2005 0 043 1 1 18 6 4 Load Chain 6 4 1 6 4 2 1 2 3 4 5 6 1 8 9 Lubrication and Cleaning refer to Section 6 2 of ER20M Load Chain Replacement for ER20805 and ER2100L CAUTION The hoist must be properly powered and operational in order to perform the following procedures A WARNING Be certain that the replacement chain is obtained from Harrington and is the exact size grade and construction as the original chain The new load chain must have an odd number of links so that both its end links have the same orientation If the load chain is being replaced due to damage or wear out destroy the old chain to prevent its reuse 44 CAUTION When replacing load chain check for wear on mating parts i e Load Sheave Chain Guides and Idle Sheaves and replace parts if necessary For2. 3 of the ER2OM when replacing the gear oil Use the O50L Capacity Code to determine the correct amount of gear oil All ER2 mechanical load brake installed 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 cap and replace with the vented oil cap refer to Figure 3 1 There are two oil fill holes located in the top of the gear case on the ER2 hoist For ER2 coupled to MR2 trolley there are some flange widths that make it necessary to relocate the oil cap assembly to the other oil fill hole This will prevent interference with trolley side plate Refer to Figure 3 1 Air Vent Packing Figure 3 1 Vented Oil Cap Installation 3 2 Chain 3 2 1 3 2 2 3 2 3 3 2 4 The quantity and location of the chain components including chain springs and stoppers depends on the hoist model and capacity Never operate the hoist with incorrect missing or damaged chain components Refer to the hoist s nameplate Table 3 2 and Figure 3 2 and ensure that all chain components are in the correct location and properly installed When the hoist is used without a chain container the free end of the chain is attached to the hoist body as shown in Figure 3 2 Connect the no load end of the chain to Chain Guide A and the pre installed socket bolt and lock nut Make sure the chain remains free of twists and the chain Stopper is installed on the correct link R
3. 6 Preoperational Checks and Trial Operation 14 4 0 Operation seping iio ER2OM 4 1 Introduction ER2OM 4 2 Shall s and Shall Not s for Operation ER20M 4 3 Hoist Controls ER20M Section Page Number Location 5 0 Eo AA O E 15 and ER20M 5 1 General ER20M 5 2 Inspection Classification ER2OM 5 3 Frequent Inspection ER20M 5 4 Periodic Inspection ER20M 55 Occasionally Used Hoists ER20M 5 6 Inspection Records ER20M 5 7 Inspection Methods and Criteria 15 and ER20M 6 0 Maltenance Handle 18 and ER20M 6 1 Count Hour Meter ER20M 6 2 Lubrication 18 and ER20M 6 3 Motor Brake 18 and ER20M 6 4 Load Chain 19 and ER20M 6 5 Friction Clutch and Mechanical Load Brake with Friction Clutch ER20M 6 6 Storage ER20M 6 7 Outdoor Installation ER20M 7 0 OUEN a a A k ER2OM 2 0 Technical Information 2 1 Specifications 2 1 1 Product Code ER2M 200 SD L Type Capacity Code Lifting Speed ER2 ER2 Hook Mount examples L Low ER2M ER2 with Motorized Trolley 080 8 Ton S Standard ER2G ER2 with Geared Trolley 100 10 Ton LD Low Dual ER2P ER2 with Plain Trolley 150 15 Ton SD Std Dual NER2 NER2 Hook Mount 200 20 Ton Traversing Speed L Low 40 fom NER2M NER2 with Motorized Trolley NER2G NER2 with Geared Trolley NER2P NER2 with Plain Trolley 2 1 2 Operating Conditions and Environment Temperature range 4 to 104 F 20 to 40C Relative Humidity 85 or less Noise Level 85 dB or less A scale measured 1 meter away f
4. relief cable onto the cord strain relief stopper located at the 8P socket 10 Power Supply Cable Hoist Connection The Power Supply Cable connects to the hoist via a 4 pin 4P plug and socket or a direct fitting depending on the product code Make this connection as follows Refer to Figure 3 5 or 3 6 depending on the product code For ER2080S and ER2100L insert the 4P plug of the Power Supply Cable into the 4P Socket on the hoist and hand tighten the Lock Ring For ER2100S ER2150S and ER2200S The power supply cable should be pre installed to the switch box and properly connected Install the Cable Support Arm pre installed on the Power Supply Cable on to the Socket Holder or Switch Box depending on the product code Use the pre installed Machine Screws and Lock Washers Use care to avoid twisting or kinking the Power Supply Cable Insert the 4P Plug into the 4P Socket on the hoist and hand tighten the Lock Ring Cable Support Cable Support Arm Cord Support Machine Screw dE A Connector NA IN Y Plug 4P Err Connector 2 Plug 8P Lock Ring BX Cord Support 1 Connector lH Machine Screw Socket 4P Cord Strain Connector Relief Cable Socket 8P m Figure 3 5 Pendant and Power Supply Cable Connections for ER2080S and ER2100L 11 Cable Support Arm ae Ll oye Power Cable Hoist Control Cable Connection Box Cord ind Y cable Holder A ES paene Stopp
5. the open link attaching the new chain to the old chain 20 11 Remove the remaining Stopper and Chain Spring from the old chain Inspect and replace any damaged or worn parts Install the Stopper and Chain Spring to the end of the new chain Refer to Section 3 2 in this supplement for correct location 12 For hoists without a chain container attach the ends of the chain to Chain Guide A on each body with the socket bolt and lock nut see Figure 3 2 Ensure that all chain parts remain free of twists and correct any if found 13 Even out the chain by operating the hoist down until the down Limit Switch on both hoist bodies is activated 14 AWARNING Make sure the Stopper and Chain Springs are properly installed Refer to Section 3 2 in this supplement 15 After installation has been completed perform steps outlined in Section 3 6 Preoperational Checks and Trial Operation Figure 6 4 Chain Replacement for 100S 150S 200S Load Sheave Upper Idle Sheave Body A Chain Spring Open Link New Chain wim de 3 de ds A A A E D EN i l j T d i ik Weld sr elds _ lt 4 O Lower Idle Sheave Figure 6 4 Chain Replacement for 100S 150S 200S 21 ARRINGIO HOISTS AND CRANES www harringtonhoists com Harrington Hoists Inc Harrington Hoists Western Division 401 West End Avenue 2341 Pomona Rd 103 Manheim PA 17545 Corona CA 92880 6973 Phone 717 665 2000 Phone 909 279 7100 Toll
6. EFFECTIVE November 3 2008 OWNER S MANUAL SUPPLEMENT ELECTRIC CHAIN HOIST ER2 and NER2 SERIES 8 Ton through 20 Ton Capacity Code Lot and Serial Number AWARNING 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 ARRINGIO HOISTS AND CRANES IMPORTANT INFORMATION ON HOW TO USE THIS MANUAL This OWNER S MANUAL SUPPLEMENT is intended for use in combination with the Owner s Manual for Electric Chain Hoist ER2 and NER2 Series 1 8 through 5 Ton Capacity Refer to the Table of Contents below to determine the location s of information pertaining to your hoist References to the Owner s Manual for Electric Chain Hoist ER2 and NER2 Series 1 8 through 5 Ton Capacity will be designated by the use of the acronym ER2OM Table of Contents Section Page Number Location 1 0 Important Information and WarningS oococccoccoccnnnonccconconconcconnconnconnannnnnncanannnanoss ER20M 1 1 Terms and Summary ER20M 1 2 Warning Tags and Labels ER20M 2 0 TECANICAMINIONIMNAUON ii sa 4 2 1 Specifications 4 2 2 Dimensions 9 3 0 Preoperational Procedures iria ii ias 7 3 1 Fill Gear Box with Oil 7 3 2 Chain 8 3 3 Mounting Location 9 3 4 Mounting the Hoist 9 3 5 Electrical Connections 10 3
7. Free 800 233 3010 Toll Free 800 317 7111 Fax 717 665 2861 Fax 909 279 7500 ER2LCOMSup
8. UA a ee eee ert at o era so 30 5 a3 m3 168 157 168 22 See ee ee ee ee eee o eras so sa wo wa 57 ue 57 168 32 Os eras es a4 36 402 157 168 157 168 34 0 meras os m4 m6 42 157 168 187 168 40 Ce veras a5 25 22 be 18117117 24 m 21 32 A o eras o9 as 5 Bs ies 57 157 32 B 85 3110 ne s9 m5 m6 m4 158 166 58 168 32 s eras es as ze a2 us us us 168 34 a enzo o3 a5 26 2 ue 168 18 168 40 gt Mk A Leea 5A uM E ag i 1 l a fan iji ip T Ah i F tb 29 1 9 3 3 2 4 83 5 55 0 73 0 48 0 85 0 62 0 83 5 55 0 73 0 48 0 85 0 62 0 70 0 87 0 60 0 100 0 79 0 T Top Hook B Bottom Hook 2 8 4 3 3 4 l i 70 0 110 0 86 0 Units in mm Refer to EROM Section 5 7 for inspection dimensions and limits 3 0 Preoperational Procedures 3 1 Gear Box 3 1 1 The gearbox is filled with the correct amount of oil at the time of shipment The oil level must be verified prior to operation The ER2 and NER2 hoists have different checking procedures Refer to Section 6 3 of the ER2OM for specific checking procedures Use the 050L Capacity Code to determine the correct Check Distance for the ER2 Large Capacity hoist Refer to Section 6
9. ch the hoist s top hook to the fixed suspension point 3 5 3 4 4 3 4 5 Lug Mounted ER2080S and ER2100L LG To maintain proper balance when the hoist is not loaded it is necessary to install a stabilizing shaft to prevent the hoist from pivoting on the main support shaft Refer to Figure 2 1 and Figure 2 2 for the size and location of the main support and stablizing holes in the hoist s top suspension plates A WARNING Ensure that the fixed suspension point rests on the center of the hook s saddle and that the hook s latch is engaged Electrical Connections 3 9 1 3 9 2 3 5 3 3 5 4 3 5 5 3 5 6 3 5 7 A CAUTION Ensure that the voltage of the electric power supply is proper for the hoist or trolley A CAUTION Do NOT apply electronic soft start control or voltage varying controls to the ER2 or NER2 hoist Use of such devices may cause the motor brake and other electrical components to malfunction Variable frequency drives MAY be used with the single speed ER2 NER2 hoists contact Harrington Hoists Inc for more information A DANGER Before proceeding ensure that the electrical supply for the hoist or trolley has been de energized disconnected Lock out and tag out in accordance with ANSI 2244 1 Personnel Protection Lockout Tagout of Energy Sources 4A DANGER To avoid a shock hazard DO NOT perform ANY mechanical or electrical maintenance on the dual speed VFD control trolley or hoist within 5 mi
10. ction Yoke Container c Chain Lock Nut Socket Bolt Lock Nut Washer Socket Bolt Lock Nut and Washer Chain Socket Bolt Container Washer N ER20808 to N ER2100L N ER21008 to N ER2200L Figure 3 3 Installation of Chain Container 3 2 5 When using an optional steel chain container refer to the instructions and or assembly drawing s provided with the container for correct assembly and attachment 3 2 6 NENE Verify that the load chain is not twisted or tangled prior to operating the hoist Make sure the bottom hook is not capsized See Figure 3 4 Correct all chain irregularities before conducting the first hoist operation 3 2 7 Lubricate the entire length of the load chain with the supplied tube s of grease per the instructions in Section 6 2 1 Figure 3 4 Capsized Hook and Chain Mounting Location 3 3 1 A WARNING Prior to mounting the hoist ensure that the suspension and the supporting structure are adequate to support the hoist and its loads If necessary consult a professional that is qualified to evaluate the adequacy of the suspension location and its supporting structure 3 3 2 NOTICE See Section 6 8 of the ER2OM for outdoor installation considerations Mounting the Hoist 3 4 1 Manual Trolley Follow instructions in Owner s Manual provided with the trolley 3 4 2 Motorized Trolley Follow instructions in Owner s Manual provided with the trolley 3 4 3 Hook Mounted to a Fixed Location Atta
11. efer to Table 3 2 for proper placement of Stopper CHAIN GUIDE A STOPPER CHAIN SPRING Figure 3 2 Chain Component Arrangement Table 3 2 Chain Stopper Placement Capacity Code Without Chain Container With Chain Container 0805 100L 1005 1505 2005 Tightening torque for the Stopper Bolt 10 N m 7 lb ft 15 link from the free end 3 link from the free end When the optional canvas chain container s is used unfold it fully and install it on the hoist body ies as shown in Figure 3 3 In this case the free end of the chain is not attached to the hoist body and the chain stopper is installed on the third link from the free end To place the chain into the chain container s feed the chain into the chain container s beginning with the free end Take care to avoid twisting or tangling the chain NEVER put all the chain into the container s at once Lumped or twisted chain may activate the down limit switch and stop the hoist during lowering 44 CAUTION Each chain container indicates the maximum length of the load chain that can be stored in the container The amount of chain the container must hold is equal to the lift on the hoist DO NOT use a chain container with a storage capacity less than the lift length on the hoist If all of the chain can not be stored in the container the limit switch will not operate properly 3 3 3 4 Lock Nut Lock Nut Hanger Plate Socket Bolt for Trolley Mount secret Bolt Conne
12. eplace any damaged or worn parts 10 Connect the end link of the new chain to the chain holder with the Chain Pin and Snap Ring Ensure that the chain remains free of twists Attach the remaining chain components to the chain referring to Section 3 2 for the proper locations For hoists without a chain container attach the no load side of the chain to Chain Guide A with the socket bolt and lock nut See Figure 3 2 11 A WARNING Make sure the Stopper and Chain Springs are properly installed Refer to Section 3 2 12 After installation has been completed perform steps outlined in Section 3 6 Preoperational Checks and Trial Operation 19 6 4 3 1 2 3 4 5 6 7 8 9 Figure 6 3 Chain Replacement for 080S and 100L Load Sheave o Chain Pin Mae U Snap Ring Chain ion Lg Upper Idle Sheave Stopper a amp a Old Chain Link 4 Open Link New Chain ER2100L Figure 6 3 Chain Replacement for 080S and 100L Load Chain Replacement for ER2100S ER2150S and ER22005 CAUTION The hoist must be properly powered and operational in order to perform the following procedures A WARNING Be certain that the replacement chain is obtained from Harrington and is the exact size grade and construction as the original chain The new load chain must have an odd number of links so that both its end links have the same orientation If the load chain is being replaced due to dama
13. er Cable Packing Socket 8P o Cord Strain Relief Cable Holder Plate j dl ia Connector Lock Nut Hoist Socket 4P Control Connector Plug 4P Sannecior ee Plug 8P a 9 8F Connector Socket 8P Figure 3 6 Pendant and Power Supply Cable Connections for ER2100S ER2150S and ER2200S Guide Wire Trolley Beam Support Cable Arm Assembly Wire Guide Cable Support Assembly Cable Hanger Power Supply Cable Guide Wire A Dimension 080S 100L 100S approx 14 inches 150S 200S approx 16 inches Figure 3 7 Power Supply Cable Festooning and Guide Wire Location 12 3 9 8 3 9 9 3 9 10 Power Supply Cable Installation If the hoist is hook mounted to a fixed support ensure that the Power Supply Cable is properly installed and supported between the hoist and the electrical power supply If the hoist is installed on a manual trolley then the Power Supply Cable must be installed along the beam that the trolley runs on For curved beams a special cable suspension system will be needed and this instruction does not apply For straight beams install the Power Supply Cable as follows Refer to Figure 3 7 Install the Cable Hangers on to the Power Supply Cable spacing them every 5 feet Install a Guide Wire system parallel to the Bridge Beam Pass the Guide Wire through the Cable Hangers and the Wire Guide Make sure the Guide Wire is properly tensioned and the Power Suppl
14. ge or wear out destroy the old chain to prevent its reuse A CAUTION When replacing load chain check for wear on mating parts i e Load Sheave Chain Guides and Idle Sheaves and replace parts if necessary For hoists without chain containers remove the socket bolts lock nuts and attach the end links of the chain to Chain Guide A on both hoist bodies Remove the Stopper and Chain Spring from one end of the old chain Inspect and replace any damaged or worn parts Using an open link attach the new chain to the end link of the old chain where the Stopper and Chain Spring were removed The end link of the new load chain should be connected so that the welded portions of the load chain s standing links are oriented to the outside as they pass over the Load Sheave Refer to Figure 6 4 Install the Stopper and Chain Spring to the free end of the new chain Refer to Section 3 2 in this supplement for the correct location Disable Hoist Body B by unplugging its 8P plug Operate Hoist Body A in the down direction to move the new chain through the hoist until a sufficient quantity of chain has accumulated between the hoist bodies Re enable Hoist Body B by re inserting its 8P plug Disable Hoist Body A by unplugging its 8P plug Operate Hoist Body B in the up direction to move the new chain through the hoist until a sufficient quantity of new chain has passed through Hoist Body B Re enable Hoist Body A by re inserting its 8P plug 10 Remove
15. hat the controls agree with hoist direction Make sure that depression of the up button lifts the load chain and depression of the down button lowers the load chain hook If the load chain does not move in the correct direction when the push buttons are pushed the power supply is phased incorrectly In this case turn off the power source or breaker switch then reverse any two of the three wires at the power source The hook will then move in accordance with the directions of the push button Perform inspections per Section 5 2 Frequent Inspections in the ER2ZOM 14 5 0 Inspection NOTICE The information listed in this section is intended to supplement Section 5 7 of the ER2OM Table 5 3 Hoist Inspection Methods and Criteria Use this table in conjunction with Table 5 3 of the ER2OM The entries in this table replace in their entirety the corresponding entries in Table 5 3 of the ER2OM Wem menos eee on Hooks Fretting Measure wear Hooks Stretch Measure Load Chain Pitch Measure and Wire Diameter Load Chain Visual Reeving and Evening Chain Springs Visual The u and t dimensions should not be less than discard value listed in Table 5 4 The k dimension should not be greater than 1 15 times that measured and recorded at the time of purchase See Section 3 6 If recorded k values are not available for hooks when new use nominal k values from Table 5 4 The P dimension should not be g
16. hoists without a chain container remove the socket bolt lock nut and attach the no load side of the chain to Chain Guide A Remove the Stopper and Chain Spring from the no load side of the chain for reuse on the new chain Inspect and replace any damaged or worn parts Using an open link attach the new chain to the end link of the old chain on the no load side The end link of the new load chain should be connected so that the welded portions of the load chain s standing links are oriented to the outside as they pass over the Load Sheave Refer to Figure 6 3 Operate the hoist down to move the new chain though the hoist body Stop when a sufficient amount of new chain is accumulated on the load side Complete reeving as follows e For ER2080S pull down on Part Y until new chain is fed through the upper and lower idle sheaves Secure the new chain at Part directly below the upper suspension plates to prevent the new chain from running back through the idle sheaves Remove the open link attaching the new chain to the old chain e For ER2100L pull up on Part until the new chain is fed through the upper and lower idle sheaves Secure the new chain at Part directly above the lower idle sheave to prevent the new chain from running back through the idle sheaves Remove the open link attaching the new chain to the old chain Remove the Snap Ring and Chain Pin that attach the old chain to the chain holder for use on the new chain Inspect and r
17. nutes of de energizing disconnecting the trolley or hoist This time allows the internal VFD capacitor to safely discharge A DANGER Do NOT remove power to the dual speed VFD control hoist or trolley during operation A CAUTION 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 See Table 3 6 ER20M Speed frequency can be customized Refer to Section 3 6 10 of ER2OM for hoist specific soeed ranges and instructions The following instructions apply when the hoist is hook mounted to a fixed suspension point or installed on a manual trolley The hoist is controlled by a pendant with two push buttons one for lifting and one for lowering Refer to the appropriate trolley Owner s Manual if the hoist is installed on a motorized trolley Special wiring considerations must be taken if the trolley is used with a trolley other than an MR2 model Pendant Cord The Pendant Cord connects to the hoist via an 8 pin 8P Plug and Socket Make this connection as follows Refer to Figure 3 5 or 3 6 depending on the Product Code For ER2080S and ER2100L Insert the 8P Plug into the 8P Socket on the hoist body and hand tighten the Lock Ring Install the strain relief cable to the bottom of the hoist body For ER2100S ER2150S and ER2200S Insert the 8P Plug into the 8P Socket on the switch box and hand tighten the Lock Ring Install the strain
18. reater than maximum value listed in Table 5 5 The dq dimension should not be less than minimum value listed in Table 5 5 Chain should be reeved properly through Load and Idle Sheaves refer to Section 6 4 Chain Chain Springs Stoppers and Chain Pin should be installed properly refer to Section 3 2 For double body hoists chain should be evenly distributed equal length of chain in each chain container or equal lengths of chain on no load F of each hoist body pf springs should not be deformed or compressed Refer to Table 5 6 for Chain Spring dimensions 15 Replace Replace Inspect Load and Idle Sheaves Reeve Install chain properly Lower hook until lower limit switch is activated on both hoist bodies Replace Table 5 4 Top Hook 8 Bottom Hook Dimensions k Measured When New Top Bottom Nominal k u Dimension t Dimension Capacity Code Dimension inch mm inch mm ain me E ae 8 These values are nominal Sines the a is not m toa e The K dimension should be measured when the hook is new this becomes a reference measurement Subsequent measurements are compared to this reference to make determinations about hook deformation stretch See Section 5 7 of ER2OM Hooks Stretch Table 5 5 Chain Wear Dimensions P Dimension d Dimension Capacity Code inch Sear inch mm 0805 100L 1005 1508 2008 6 18 157 0 6 37 161 7 0 44 11 2 0 42 10 6
19. rom electric chain hoist Enclosure Rating Hoist Meets IP 55 Pendant Meets IP65 Supply Voltage Single Speed Standard Reconnectable 208 230 amp 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 Optional 575V 3 60 or Voltages Frequencies Voltages Available Single Speed Dual Speed Hoist Duty Rating ISO M4 FEM 2M ASME H4 Intermittent Duty Rating eee A0 ED i 360 starts per hour 120 240 starts per hour Short Time Duty Rating 30 10 min Table 2 1 Hoist Load Load Net Weight rata Current Chain Sheave tbs Weight for Cap Product Lifting aa Diameter Pockets Addai Tons Cod Speed Output mm One Foot min Hp 208v X of Lift 230V 460V Chain Fall lbs Lines w EE eae ea ur S ee 5 ow a O eee o eras ss ano 16ax2 19x2 mae 5 we we us_ 8 raso 7525 47 3 8 mae 5 28 x6 55 o wera s 47 w3 a3 taxa 5 oo a 74 A o verano s 47 w3 6 uma os sp se 74 30 meaw nas are 032 ase taxa 5 0 07 74 5 Nease 7525 ana m3x2 83x2 12x6 5 s a ezo 5 472 13 102 Available lug mount only Push button cord dimension L is to center of lug hole Although both 208 230 amp 460 Volts are shown together the dual speed hoist motors are NOT reconnectable 2 2 Dimensions Table 2 2 Hoist a y Product Code D H
20. ther lifting attachments before use Inspect all load suspension members for damage prior to use and replace or repair all damaged parts AWARNING Verify and correct all chain irregularities prior to operating the hoist Refer to Section 3 2 of this manual Measure and record the k dimension of all hooks on hoist See Table 5 4 under Section 5 Inspection of this manual Ensure that the hoist is properly installed to either a fixed point or trolley whichever applies If hoist is installed on a trolley ensure that trolley is properly installed on the beam and stops for the trolley are correctly positioned and securely installed on the beam Ensure that all nuts bolts and split pins cotter pins are sufficiently fastened Pull down on the Pendant and ensure that the Cord Strain Relief Cable takes the force not the Pendant Cord 4 CAUTION Check supply voltage before everyday use If the voltage varies more than 10 of the rated value electrical devices may not function normally Confirm proper operation Before operating read and become familiar with Section 4 Operation in the ER2OM Before operating ensure that the hoist and trolley meets the Inspection Testing and Maintenance requirements of ANSI ASME B30 16 Before operating ensure that nothing will interfere with the full range of the hoist s and trolley s operation Proceed with trial operation to confirm proper operation Verify t
21. y Cable is not twisted or kinked 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 connection should be made so that the hoist is phased properly Refer to Section 3 6 11 for instructions on how to check for correct power supply phase connection Fuse Breaker Capacity The hoist s power supply should be equipped with overcurrent protection such as fuses which should be selected for 110 to 120 of total listed full load amperage and should be dual element time delay fuses Refer to the motor nameplate s for the full load amperage draw 44 DANGER Grounding An improper or insufficient ground connection creates an electrical shock hazard when touching any part of the hoist or trolley In the Power Supply Cable the ground wire will be either Green with Yellow stripe or solid Green It should always be connected to a suitable ground connection Do not paint the trolley wheel running surfaces of the beam as this can affect grounding 13 3 6 Preoperational Checks and Trial Operation 3 6 1 3 6 2 3 6 3 3 6 4 3 6 5 3 6 6 3 6 7 3 6 8 3 6 9 3 6 10 3 6 11 Refer to the hoist s nameplate and record the hoist s Code Lot and Serial Number in the space provided on the cover of this manual A WARNING Confirm the adequacy of the rated capacity for all slings chains wire ropes and all o
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