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Spring Balancer    Users Manual 

 

 

 

13 

6-4-2  Method of attaching the tool (equipment) 

WARNING 

 

 

Do not move directly under the tool (equipment) suspended from the balancer. 

 

CAUTION

 

 

Be sure to use the product within the capacity range. (Refer to the capacity range in 
“4-3-1 Specifications”) 

 

NOTICE

 

 

Adjust the spring tension before the operation. 

 

Check whether the total mass (weight) of the tool (equipment) and the accessories is within the 
capacity range of the balancer. 

Install the tool (equipment) and adjust the spring tension in accordance with “0 Installation of 
tools (equipment) and adjustment of the spring tension”. 

 

6-4-3  Replacement of the tool (equipment) using the drum lock 

WARNING 

 

 

Do not move directly under the tool (equipment) suspended from the balancer. 

 

Do not replace the tool with one with a different mass. 

 

Do not remove the tool before checking that the drum is securely locked by 
moving the tool (equipment) up and down. If the drum is locked inadequately, the 
drum lock may be released during the work. Then, the wire rope may be quickly 
wound up, causing an injury. 

 

CAUTION

 

 

Be sure to use the product within the capacity range. (Refer to the capacity range in 
“4-3-1 Specifications”) 

 

NOTICE

 

 

Adjust the spring tension before the operation. 

 

Confirm that the tool (equipment) can be moved up and down. 

Lock the drum within the range of the stroke according to “6-3 Operation method of the drum 
lock”, and then remove the tool. 

Confirm that the mass of the tools is identical, and attach the tool (equipment) according to “0 
Installation of tools (equipment) and adjustment of the spring tension”. 

 

6-5  Periodical inspections 

Perform an inspection at least once per month. 
For the method of the periodical inspections, download “Repair Manual” from our website and refer to 
“2-2 Periodical inspections” in “Repair Manual”. 
http://www.endo-kogyo.co.jp 
If the product is used in an unfavorable environment or used frequently, reduce the interval between 
the inspections. 

Summary of Contents for ELF-15

Page 1: ...er 2022 For safe and correct operation of the product please be sure to read this manual and fully understand its content before use After reading keep the manual safe so that you can find and use it...

Page 2: ...scription 5 4 1 Components 5 4 2 Operating environment 5 4 3 Product specifications 6 4 4 Applicable standards 6 5 Installation 7 5 1 Preparation and checks before installation 7 5 2 Installation proc...

Page 3: ...ure electric shock bone fracture poisoning and other injuries that leave aftereffects and that require hospitalization or long term outpatient treatment Moderate injury Burn electric shock bone fractu...

Page 4: ...anual is issued to Endo Kogyo Co Ltd The manual is provided for the limited purpose of supporting the safe and proper use of the product It cannot be used for other purposes The customer may not use o...

Page 5: ...ire or injury Do not perform any modification of the product The maintenance should be performed by a maintenance operator who has developed sufficient knowledge and operating skill for the balancer I...

Page 6: ...apes and the number of springs differ according to the models 4 1 1 Main equipment 4 2 Operating environment Installation location General indoor Ambient temperature 10 C to 50 C no freezing Humidity...

Page 7: ...nt tools equipment from falling Before using the balancer be sure to check that the total mass weight of the tool equipment and the accessories is within the capacity range of the balancer NOTICE If t...

Page 8: ...and equipment for installation All of the following items must be prepared by the customer Auxiliary wire rope or chain Support members metal hangers 5 1 2 Check of installation location Before insta...

Page 9: ...er metal hanger 2 Check that the top hook latch is closed 3 Ensure that the balancer moves freely 4 Prepare an auxiliary wire rope or chain that has a strength at least 10 times greater than the maxim...

Page 10: ...device will be activated and prevent the vertical movement of the tool equipment 1 Check whether the total mass weight of the tool equipment and the accessories is within the capacity range of the bal...

Page 11: ...otice any wear deterioration or deformation of the parts contact us or your dealer Inspect and check the following items before starting the operation Check of the surroundings 1 Ensure that there is...

Page 12: ...ting bolts are not loose 8 Check that the pin and the safety pin have not dropped off 9 Check the E type retaining ring is not removed 10 Check that the screws and the bolts in various parts are not l...

Page 13: ...one with a different mass weight If the drum lock is released in such situations the wire rope may be quickly wound up as soon as the lock is released the tool may fall or an injury may be caused Att...

Page 14: ...locked by moving the tool equipment up and down If the drum is locked inadequately the drum lock may be released during the work Then the wire rope may be quickly wound up causing an injury CAUTION B...

Page 15: ...uch and the fall arrest device has been activated Release the fall arrest device See 7 2 Releasing the fall arrest device The wire rope came off the groove on the drum and is caught between the casing...

Page 16: ...ing parts If any of these parts are broken or any wear or damage is found replace them Spring Wire rope Wire guide Drum Note For the replacement of the consumables and other parts download Repair Manu...

Page 17: ...L 06 6568 1571 FAX 06 6568 1573 812 0013 3 11 15 3F TEL 092 412 5281 FAX 092 412 5280 959 1261 3 14 7 TEL 0256 64 4786 FAX 0256 62 5772 E mail service endo kogyo co jp ENDO KOGYO CO LTD 3 14 7 Akiba c...

Page 18: ...2 For safe and correct operation of the product please be sure to read this manual and fully understand its content before use After reading keep the manual safe so that you can find and use it readil...

Page 19: ...t if mishandled may cause death or serious disability CAUTION A situation that if mishandled may cause minor or moderate injury NOTICE A situation that if mishandled may cause property damage The exte...

Page 20: ...y injury Indicates a REQUIRED action that must be performed Indicates that it is necessary to thoroughly read the manual and the relevant documents Illustrations This manual covers multiple models of...

Page 21: ...other equipment that are not included in this product 6 Replacement of consumables 7 Usage in violation of dangers or cautions stipulated in the Users Manual and this manual 8 Failure damage caused b...

Page 22: ...stallation simple troubleshooting and periodic inspections The maintenance operator is required to develop sufficient knowledge and operating skill for this product The maintenance operator should rea...

Page 23: ...d users for this manual 4 Emergency contact in case of malfunctions 4 1 Precautions for handling 6 2 Maintenance 7 2 1 Daily inspections 7 2 2 Periodical inspections 7 2 3 Replacement of the wire rope...

Page 24: ...ications to the product The maintenance should be performed by a maintenance operator who has developed sufficient knowledge and operating skill for the balancer Incorrect usage of the product may cau...

Page 25: ...ion refer to 6 1 Pre operation inspections and checks of the separate Users Manual and perform the inspections and checks daily 2 2 Periodical inspections Perform an inspection at least once per month...

Page 26: ...ng the balancer and change the wire rope see 2 3 Replacement of the wire rope or contact us or your dealer Operating limit of the wire rope Check of the state of the wire rope Check that there is no d...

Page 27: ...k 1 Pull down the tool equipment and extend the wire rope completely 2 Align the position of the plug attached to the drum so that the plug can be seen through the window as shown in the figure below...

Page 28: ...Spring Balancer Repair Manual 10 5 Remove the balancer from the support member and place it on the ground or on a workbench 6 Remove the plug with a hex key Plug...

Page 29: ...omes stuck while drawing the wire rope into the drum push or squeeze the end of the wire rope into the drum using a tool to dislodge it 8 Insert the new wire rope into the drum through wire rope inser...

Page 30: ...um it can be passed through the drum easily by twisting and squeezing it 10 Attach the plug and tighten it with a hex key 11 Install the balancer to the support members 12 Attach the removed tool to t...

Page 31: ...a set of spring parts Multiple springs are used for ELF 40 and the models with a larger capacity Therefore even if one of the springs is ruptured tension remains in the other springs Perform the work...

Page 32: ...Manual 14 3 Remove the balancer from the support member and place it on the ground or on a workbench 4 Remove the gauge 5 Loosen the set screw and remove all pins 6 Remove the plug with a hex key Gau...

Page 33: ...t is totally removed REMINDER If the end of the wire rope becomes stuck while drawing the wire rope into the drum push or squeeze the end of the wire rope into the drum using a tool to dislodge it 8 L...

Page 34: ...le as one unit from the casing If the washer cannot be removed in step 2 remove the remaining washer from the inside of the casing Keep the washer because it is used for reinstallation 10 Remove the s...

Page 35: ...e spring washers and separate the spring assembly from the drum WARNING Do not remove the cover from the spring assembly If the cover of the spring assembly is removed the spring inside may spring out...

Page 36: ...pring 1 Attach the spring assembly on the drum with the Cap screw and the spring washers 2 Attach the spindle 3 Attach the spring assembly drum and spindle to the casing Cap screw Spring washer Spring...

Page 37: ...attach the hex head bolts and the spring washers 5 Insert the wire rope into the drum through wire rope insertion hole B from side A as shown in the figure below and pass the wire rope inside the dru...

Page 38: ...he plug 7 Attach the plug and tighten it with a hex key REMINDER When the wire rope becomes stuck inside the drum it can be passed through the drum easily by twisting and squeezing it If the end of th...

Page 39: ...he worm by the number of times described in the table below Model Number of worm turns Setting weight ELF 15 Approx 140 Approx 12kg ELF 22 Approx 120 Approx 18kg ELF 30 Approx 130 Approx 26kg ELF 40 A...

Page 40: ...n with the set screw WARNING If the pins are not installed correctly the fall arrest device may not be activated when the spring is ruptured causing an injury or property damage Be sure to install all...

Page 41: ...pe may be quickly wound up causing an injury 1 Extend the wire rope to a position where the wire guide can be replaced 2 Turn the spring pin to the lock position and lock the drum See 6 3 Operation me...

Page 42: ...screws with new ones after removing them 7 Install the balancer to the support members See 5 2 1 Installation of the Spring Balancer in the Users Manual 8 Attach the removed tool to the bottom hook ag...

Page 43: ...If the wire rope cannot be pulled out remove the retaining ring from the end of the worm 3 To release the spring tension turn the worm in the direction counterclockwise and remove the worm The washer...

Page 44: ...e hex head bolts and remove the cover If the washer cannot be removed in step 3 remove the remaining washer from the inside of the casing Keep the washer because it is used for reinstallation See Step...

Page 45: ...pe if any damage is found 9 Attach the cover and attach the hex head bolts and the spring washers 10 Attach the worm together with the washer and attach the retaining ring 11 Adjust the spring tension...

Page 46: ...L 06 6568 1571 FAX 06 6568 1573 812 0013 3 11 15 3F TEL 092 412 5281 FAX 092 412 5280 959 1261 3 14 7 TEL 0256 64 4786 FAX 0256 62 5772 E mail service endo kogyo co jp ENDO KOGYO CO LTD 3 14 7 Akiba c...

Page 47: ...g Balancer ELF 15 ELF 40 ELF 70 ELF 22 ELF 50 ELF 30 ELF 60 This Parts List covers products from 2021 onwards Please contact us for any inquiries regarding other parts of the product BMP 0015 Issued i...

Page 48: ...76 18 0 How to find the parts from the list Please refer the reference number on the exploded view and choose the parts from the list according to its reference number Ref No Parts No Description Quan...

Page 49: ...ete 1 1 1 2 Hook 1 1 1 LBP000216 Latch set 1 1 1 3 Latch 1 1 1 4 Spring 1 1 1 5 Rivet 1 1 1 6 Shaft 1 1 1 7 Rivet 1 1 1 LBP001366 Drum lock assembly 1 1 1 8 Pin 1 1 1 9 Spring 1 1 1 10 Collar 1 1 1 11...

Page 50: ...28 P2B400045 Pin 4 4 4 29 P2B400042 Set screw 4 4 4 30 KA00120642 Hex head bolt 4 4 4 LBP000223 Wire rope assembly 1 1 1 31 Wire rope 1 1 1 32 Thimble 1 1 1 LBP002127 Hook complete 1 1 1 33 Hook 1 1...

Page 51: ...4 Spring 1 1 1 1 5 Rivet 1 1 1 1 6 Shaft 1 1 1 1 7 Rivet 1 1 1 1 LBP001366 Drum lock assembly 1 1 1 1 8 Pin 1 1 1 1 9 Spring 1 1 1 1 10 Collar 1 1 1 1 11 Spring pin 1 1 1 1 12 P2B400359 Cap 2 2 2 2 1...

Page 52: ...30 KA00120644 Hex head bolt 4 4 4 4 LBP000223 Wire rope assembly 1 1 1 1 31 Wire rope 1 1 1 1 32 Thimble 1 1 1 1 LBP002127 Hook complete 1 1 1 1 33 Hook 1 1 1 1 LBP002128 Latch set 1 1 1 1 34 Latch 1...

Page 53: ...L 06 6568 1571 FAX 06 6568 1573 812 0013 3 11 15 3F TEL 092 412 5281 FAX 092 412 5280 959 1261 3 14 7 TEL 0256 64 4786 FAX 0256 62 5772 E mail service endo kogyo co jp ENDO KOGYO CO LTD 3 14 7 Akiba c...

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