Endo EWS-3 User Manual
  1. Manuals
  2. Brands
  3. Endo Manuals
  4. Wheel Balancers
  5. EWS-3
  6. User manual

Endo EWS-3 User Manual

Spring balancer
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Users Manual
Spring Balancer
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 readily.
In case of resale or transfer of this product, make sure to transfer the manual to the new owner.
EWS-3
EWS-5
EWS-7
BMU-0008
Issued in December 2022

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the EWS-3 and is the answer not in the manual?

Questions and answers

Related Manuals for Endo EWS-3

Summary of Contents for Endo EWS-3

  • Page 1 Users Manual Spring Balancer EWS-3 EWS-5 EWS-7 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 readily.

  • Page 2: Table Of Contents

    Spring Balancer Users Manual CONTENTS Introduction.....................3 Notation in this manual ....................Scope of warranty and liabilities for the equipment ............. Definition of intended users for this manual ..............Emergency contact in case of malfunctions ..............5 Precautions for handling...............5 Unpacking and Installation..............5 3-1   Packaging arrangement and transportation ...........

  • Page 3: Introduction

    Spring Balancer Users Manual   Introduction Thank you very much for your purchasing of the Spring Balancer. To prevent any trouble and obtain the best performance, please be sure to read this manual and fully understand its content. Notation in this manual Hazard levels This product is designed with ultimate priority on the safety of operators.

  • Page 4: Scope Of Warranty And Liabilities For The Equipment

    Copyright and liabilities The copyright for this manual 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.

  • Page 5: Emergency Contact In Case Of Malfunctions

    Spring Balancer Users Manual The management supervisor is required to have sufficient knowledge of the product and advanced operating skill for this product. Management The management supervisor should manage not only the product itself but on-site supervisor operations that handle the product, comprehensively. In The service engineer is a worker with special knowledge and skills for installing the product, investigating the causes of a failure or damage, and performing repairs Service engineer...

  • Page 6: Disposal Of Packing Materials

    After opening the package, dispose of any packing and cushioning materials in accordance with the local regulations of the area where the product is used.   Product Description 4-1 Components 4-1-1 Main equipment （EWS-3,5,7） Top hook Casing Drum lock Cover...

  • Page 7: Applicable Standards

    Spring Balancer Users Manual 4-3-2 Fall-arrest device If the spring is ruptured, this device prevents the tool (equipment) attached to the bottom hook from falling across the entire stroke. If the spring is ruptured, the safety pin is activated from the spring casing and interferes (collides) with the pin installed on the spring casing, stopping the rotation of the drum.

  • Page 8: Installation

    Spring Balancer Users Manual   Installation WARNING ● Install the balancer correctly in accordance with the descriptions in this manual. Incorrect installation may cause an injury, property damage, or damage to the balancer. ● Be sure to attach an auxiliary wire rope or chain to the balancer to protect workers  in case the top hook or the support member (metal hanger) for the balancer should  be damaged.

  • Page 9: Installation Procedures

    Spring Balancer Users Manual 5-2 Installation procedures 5-2-1 Installation of the Spring Balancer CAUTION Do not fix the top hook. Using the product with the top hook fixed may cause damage or a fall. ● Use a support member (metal hanger) with no opening as shown in the figure on the right, so that the balancer does not come off while in motion.
  • Page 10 Spring Balancer Users Manual CAUTION Loosen the auxiliary wire rope or chain to Damaged allow the balancer to move freely. and falls The slack must be such that the balancer stops within 100 mm if the top hook or the support member (metal hanger) for the Within 100 mm...

  • Page 11: Post-Installation Checks

    Spring Balancer Users Manual 5-3 Post-installation checks 5-3-1 Checking the working range (stroke) Do not extend the wire rope beyond the stroke. Doing so may damage the balancer. Ensure that work can be performed within the range of the stroke. For the stroke of each product, see “4-3-1 Specifications”.

  • Page 12: Precautions For Use

    Spring Balancer Users Manual ■ Check of the main equipment of the balancer For the main equipment of the balancer, perform the following inspections and checks. Check that the top and bottom hooks are not worn and can rotate smoothly. Check that the latches of the top and bottom hooks are not deformed and do not come off the hooks.

  • Page 13: Operation Method Of The Drum Lock

    Spring Balancer Users Manual 6-3 Operation method of the drum lock Operate the drum lock according to the figure below. Spring pin Lock position (deeper slot) Release position (shallower slot) 6-3-1 Activation of the drum lock WARNING ● Do not remove the tool (equipment) attached to the bottom hook until it is confirmed that the drum is securely locked.

  • Page 14: Periodical Inspections

    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...

  • Page 15: Troubleshooting

    Spring Balancer Users Manual Troubleshooting 7-1 Countermeasures? WARNING ● Do not remove the tool (equipment) attached to the wire rope end until the cause of the failure is identified. If the tool (equipment) is removed, the wire rope may be quickly wound up, causing an injury.

  • Page 16: Dimensional Drawing

    Note: For the replacement of the consumables and other parts, download “Repair Manual” from our website or contact us or your dealer. For special accessories of the Spring Balancer, check in the catalog linked on our website. Our website: http://www.endo-kogyo.co.jp/   Disposal of Product When disposing of the product, follow the local regulations of the area where the product to be disposed, and dispose it as industrial waste.

  • Page 17: Parts List

    ● How to order the parts Please inform us or our distributors of the parts information which include the model, part description, parts number and quantity. Example model ： EWS-3 parts name ： drum parts number ： quantity ： 1 P2B100110...
  • Page 18 Spring Balancer Users Manual Quantity Ref.No. Part No. Description EWS-3 EWS-5 EWS-7 Casing assembly LBP000749 ーCasing P2B100109 ーHook complete LBP000241 ーーHook ーーLatch set LBP000240 ーーーLatch ーーーSpring ーーーRivet ーーShaft ーーRivet ーPin P2B400856 ーSpring P2B400857 ーSpring pin P2B401374 ーCap P2B400348 P2B300505 Spindle...
  • Page 19 TEL  ：   052-253-6231 FAX  ：   052-253-6240 サービス営業グループ 〒959-1261 新潟県燕市秋葉町3丁目14番7号 TEL  ：   0256-64-4786 FAX  ：   0256-62-5772 E-mail  ：  service@endo-kogyo.co.jp 3-14-7,Akiba cho, Tsubame, Niigata 959-1261, Japan http://www.endo-kogyo.co.jp TEL : 81-256-62-5133   ● 本書ならびに本製品の仕様は改善のために予告なしに変更することがあります。   ● 本書の内容の無断転載を禁止します。 ● This manual and the specifications of this product are subject to change for improvement without advance notice.
  • Page 20 Repair Manual Spring Balancer EWS-3 EWS-5 EWS-7 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 readily.

  • Page 21: Thank You Very Much For Your Purchasing Of The Spring Balancer. To Prevent Any Trouble And Obtain The Best

    Spring Balancer Repair Manual   Introduction Thank you very much for your purchasing of the Spring Balancer. To prevent any trouble and obtain the best performance, please be sure to read this manual and fully understand its content. Notation in this manual Hazard levels This product is designed with ultimate priority on the safety of operators.
  • Page 22 Copyright and liabilities The copyright for this manual 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.
  • Page 23 Spring Balancer Repair Manual Definition of intended users for this manual This manual has been prepared to help all intended users involved with this product. From the stand point of safety, we have defined intended users according to their ability and experience and provided detailed descriptions for each group.
  • Page 24 Spring Balancer Repair Manual CONTENTS Introduction .................... 1 Notation in this manual ....................Scope of warranty and liabilities for the equipment ............Definition of intended users for this manual ..............Emergency contact in case of malfunctions ..............3 Precautions for handling ................. 5  Maintenance .................... 6 Daily inspections ....................Periodical inspections ..................

  • Page 25: Precautions For Handling

    Spring Balancer Repair Manual   Precautions for handling Incorrect handling of this product may cause damage to the product itself as well as a fire or injury. Thoroughly read the following precautions and be sure to heed the instructions when handling the machinery.

  • Page 26: Maintenance

    See the figure below and measure the dimensions of the hook. The hook must be replaced when any dimensions have reached the limiting dimensions. Stop using the balancer, and contact us or your dealer. Operating limit of the top hook Limiting dimension (mm) Model EWS-3 EWS-5 10.0 12.0 33.5 EWS-7...
  • Page 27 Spring Balancer Repair Manual Operating limit of the bottom hook Limiting dimension (mm) Model EWS-3 16.5 41.0 EWS-5 EWS-7 2-2-2 Inspection of the wire rope See the figure below and measure the dimension of the wire rope. The wire rope must be replaced when the dimension has reached the limiting dimension or the limiting number of broken wires within one pitch.

  • Page 28: Replacement Of The Wire Rope

    Spring Balancer Repair Manual Replacement of the wire rope WARNING Do not release the drum lock when the balancer is not loaded or after the tool (equipment) is replaced with 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.

  • Page 29: Replacement Of The Spring

    Spring Balancer Repair Manual disassembly drawing Plate Stopper Cover Retaining ring Screw Screw Spindle Worm Casing Wire rope Drum Plug Spring Hook 2-4 Replacement of the spring Never remove the spring from drum unless the replacement is required. WARNING ● The spring is extremely dangerous. Be careful when handling the spring. ●...

  • Page 30: Spring Disposal

    While turning Worm, Wire rope (21) will be retracted into Drum (13). Pay attention Wire rope does not slip out from the drum groove. After Wire rope is fully retracted, turn Worm by the number of turns shown in Table1. Table-1 EWS-3 EWS-5 EWS-7 Model...
  • Page 31 TEL  ：   052-253-6231 FAX  ：   052-253-6240 サービス営業グループ 〒959-1261 新潟県燕市秋葉町3丁目14番7号 TEL  ：   0256-64-4786 FAX  ：   0256-62-5772 E-mail  ：  service@endo-kogyo.co.jp 3-14-7,Akiba cho, Tsubame, Niigata 959-1261, Japan http://www.endo-kogyo.co.jp TEL : 81-256-62-5133   ● 本書ならびに本製品の仕様は改善のために予告なしに変更することがあります。   ● 本書の内容の無断転載を禁止します。 ● This manual and the specifications of this product are subject to change for improvement without advance notice.

This manual is also suitable for:

Ews-5Ews-7

Table of Contents