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Tsubaki ECHT-FLEX NEF Series Instruction Manual

Power-lock type coupling

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Thank you for purchasing an ECHT-FLEX COUPLING POWER-LOCK Type. Make
sure the unit delivered matches your order and no shortages exist in the parts
provided. Any such shortages or other delivery errors must immediately be reported
to your distributor.
This manual is an essential part of the ECHT-FLEX COUPLING, and it should
remain with the product at all times including when re-distributed. To ensure safety,
read all instructions thoroughly before installing or working on the equipment.
Safety precautions in this manual are classified into two categories: "WARNING" and "CAUTION".
These are defined as follows:
WARNING
CCC
CAUTION
Notice that although categorized under "CAUTION", subjects discussed may lead to serious results depending on
the situation.
(General)
Install a safety cover and prevent access to any rotating parts. Otherwise injury may occur.
Set a safety mechanism to stop the rotating parts when the cover is lifted.
Transporting, installing, operating, maintaining or inspecting must be carried out by skilled
and professional engineers to avoid mis-handling and hazardous situations.
When the coupling is used with vehicles for transporting humans, install a suitable
protection device on the vehicle. Otherwise, it could fall and result in accidents and damage
the equipments.
When the coupling is used for an elevator, install a safety device on the elevator in order to
prevent it from falling, which can cause accidents resulting in death, injury or damage to the
equipments.
(Unpacking upon delivery)
If delivered in a wooden case, unpack with care. Sharp nails may cause injury.
(Additional machining)
Never modify the coupling. The quality or function of the product may decrease and may
break or damage the machine or injure the operator.
(Transportation)
Never step under the product when it is elevated for transportation, otherwise either the
poduct or load may fall, causing accidents resulting in death or injury.
(Installation)
Wear protective clothing and gears (safety goggles, gloves, shoes, etc.).
Make sure the power is switched off, and the machine is completely stopped
before installing. Take caution so that the power is not switched back on
accidentally.
Make sure to tighten and apply anti-loosening agent sufficiently.
Instruction Manual
Instruction Manual
Instruction Manual
Instruction Manual
ECHT- - - - FLEX COUPLING
ECHT
FLEX COUPLING
ECHT
ECHT
FLEX COUPLING
FLEX COUPLING
POWER- - - - LOCK Type
POWER
POWER
POWER
LOCK Type
LOCK Type
LOCK Type
Death or serious injury may result from misusing the product
without following the instructions.
Minor or moderate injury, as well as damage to the product may
result from misusing the product without following the
instructions.
WARNING
1

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Summary of Contents for Tsubaki ECHT-FLEX NEF Series

  • Page 1 Instruction Manual Instruction Manual Instruction Manual Instruction Manual ECHT- - - - FLEX COUPLING ECHT FLEX COUPLING ECHT ECHT FLEX COUPLING FLEX COUPLING POWER POWER POWER POWER- - - - LOCK Type LOCK Type LOCK Type LOCK Type Thank you for purchasing an ECHT-FLEX COUPLING POWER-LOCK Type. Make sure the unit delivered matches your order and no shortages exist in the parts provided.
  • Page 2 (Operation) Avoid contact with any rotating parts ( coupling, shaft, etc. ) during operations. Rotating parts can catch approaching objects and cause serious injuries. (Maintenance and inspection) Avoid contact with any rotating parts ( coupling, shaft, etc. ) during maintenance and inspection.
  • Page 3 1. Structure and Parts Fig. 1 Fig. 2 Single type Spacer type NEF04 --- NEF700 NEF04W --- NEF700W ① Hub ① Hub ② Reamer Bolt ② Reamer Bolt ③ Disk ③ Disk ④ Washer (A) ④ Washer (A) ⑤ Washer (B) ⑤...
  • Page 4 (d) Tighten the Pressure Bolts Make sure the Bolts turn lightly when assembled. Tighten the Bolts manually until the Pressure Flange does not turn any more. Adjust the installation position of Hub and phase. Tighten at quarter of the tightening torque specified in Table 2. Finally, tighten the Bolts with torque wrench at full torque specified in Table 2 until the Bolts do not turn any more.
  • Page 5 3. Alignment The greater the accuracy of the initial alignment of the coupling, the less rotational stress it will experience during operations. Wear of the shaft bearing, depression of the mounting surface, changes in conditions due to temperature fluctuation, and shock may all result in shorter life of the coupling as well as your equipment.
  • Page 6 ① Adjusting flange surface measurements E (mm) Adjust the position of the Hub so that average of dimension E is within E±0.25 mm. Measure E at 4 positions every 90° for both Spacer and Single Types. Consider the adjustability of E dimension first. If the drive/ driven shafts have steps, adjustable range may be limited.
  • Page 7: Warranty

    1-1, Kohtari-Kuresumi, Nagaokakyo TSUBAKIMOTO CHAIN CO. Kyoto 617- 0833, Japan Global Associated Partners: Website: http://tsubakimoto.com/ U.S. Tsubaki Power Transmission, LLC Tsubakimoto Singapore Pte. Ltd. Tsubakimoto Europe B.V. http://www.ustsubaki.com/ http://tsubaki.sg/ http://tsubaki.eu/ Tsubaki of Canada Limited Taiwan Tsubakimoto Co.

This manual is also suitable for:

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