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Copyright and liabilities 

The copyright for this manual belongs 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 or make copies of this manual, in whole or in part, outside of 
this purpose without receiving prior consent from Endo Kogyo Co., Ltd. 
The customer is also prohibited from translating or modifying the content of the manual, 
in whole or in part. 
The content described in the manual is subject to change without advance notice. 
Please note this in advance. 

 

November 2019 ENDO KOGYO CO., LTD. 

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Summary of Contents for EWA-15

Page 1: ...AL SPRING BALANCER EWA 15 ENDO KOGYO CO LTD BM 10097 WARNING Read this manual before use Keep this manual available Issued on Dec 2012 C o p i e d d i g i t a l d a t a f r o m h t t p w w w e n d o k...

Page 2: ...e copies of this manual in whole or in part outside of this purpose without receiving prior consent from Endo Kogyo Co Ltd The customer is also prohibited from translating or modifying the content of...

Page 3: ...pment Please read these messages and follow these instructions carefully CAUTION indicates a hazardous situation which if not avoided could result in minor or moderate injury damage or destruction of...

Page 4: ...e damage caused by use of non genuine parts 3 Failure damage caused by fire earthquake natural disaster or other unexpected incident 4 Incident caused by fall shock negligence or by inadequate storage...

Page 5: ...3 3 Working stroke cable travel check 4 Use 4 4 1 Safety instructions on use 4 2 Drum lock operation 4 3 Tool device replacement 5 Troubleshooting 6 5 1 Common malfunctions and their causes 5 2 Soluti...

Page 6: ...under the suspended Always attach a secondary support tool device cable or chain Never remove tool device while the wire Be careful when handling the spring rope is extended Never pull the wire rope...

Page 7: ...case of the cutting The device is only for emergency 3 Installation 3 1 Balancer installation WARNING Install the balancer correctly Incorrect installation could cause personal injury or damage to th...

Page 8: ......

Page 9: ...rely If the drum is not locked securely the drum lock could be released allowing the wire rope to snap back possibly causing personal injury Drum lock check is very important factor for safety Never f...

Page 10: ...g 2 4 Attach the new complete tool device to the bottom hook Releasing the drum lock WARNING Never release the drum lock when the balancer is unloaded If released the wire rope will snap back possibly...

Page 11: ...cause personal injury or damage to the balancer Therefore be careful but thorough when making repairs When the fall prevention device has engaged because the spring tension is set under the minimum ca...

Page 12: ...n and install Gage 50 and Pins 12 See Chapter 8 Spring replacement In case that the Wire rope snap back protection has actuated by sudden retrieve 1 Pull out Wire rope 38 and release Ratchet 26 suspen...

Page 13: ...eceives excessive shock Wire rope pulling out or excessive shock to the Balancer will release Wire rope snap back protection causing personnel injury Wire rope will be retrieved about 100mm 200mm rapi...

Page 14: ...hich are detected Make the inspection interval shorter when operating frequently or under hostile environments See Fig 5 Service limit of top hook Fig 5 Limit dimension mm A B C D 11 7 15 5 44 0 1 5 S...

Page 15: ...g case If removed the spring will expand explosively and cause personal injury Replace the spring assembly as a whole Referring to the disassembly drawing on page13 disassemble the balancer using the...

Page 16: ...ring by turning worm 49 clockwise NOTE While turning Worm Wire rope 38 will be retracted into drum 19 Pay attention Wire rope does not slip out from the drum groove After Wire rope is fully retracted...

Page 17: ...Always replace old ones with new ones when they are remove Tighten the hex Socket bolts with torque of 2 8 3 0N m 0 28 0 3kgf m 6 Mount the balancer on a fitting Refer to Chapter 3 1 Balancer Installa...

Page 18: ...3 1 Latch 4 1 Spring 5 1 Rivet 6 1 Shaft 7 1 Rivet 8 P2B400347 1 Pin 9 P2B400081 1 Spring 10 P2B400224 1 Spring pin 11 P2B400348 2 Cap 12 P2B400044 3 Pin 13 P2B400041 3 Set screw 14 P2B301252 1 Spind...

Page 19: ...Wire rope assembly 38 1 Wire rope 39 1 Thimble LBP001505 1 Hook complete 40 1 Hook LBP001524 1 Latch set 41 1 Latch 42 1 Spring 43 1 Rivet 44 1 Lock tube 45 1 Lock tube 46 P2B400150 1 Collar 47 P2B400...

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