UM-7070B-000

Motor Unit

User's Manual

IMPORTANT NOTICE

• For maximum performance we highly recommend SHIMANO lubricants and maintenance products.

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

(1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

• Contact the place of purchase or a distributor for information on installation, adjustment, and replacement of the products which are not found in the user's manual. A dealer's manual for professional and experienced bicycle mechanics is available on our website (https:// si.shimano.com).

For safety, be sure to read this “user's manual” thoroughly before use, follow it for correct use, and store it so that it can be referenced at any time.

The following instructions must be observed at all times in order to prevent personal injury and physical damage to equipment and surroundings. The instructions are classified according to the degree of danger or damage which may occur if the product is used incorrectly.

DANGER

WARNING

CAUTION

Failure to follow the instructions will result in death or serious injury.

Failure to follow the instructions could result in death or serious injury.

Failure to follow the instructions could cause personal injury or physical damage to equipment and surroundings.

Regular inspections before riding the bicycle

Before riding the bicycle, check the following items. If any problems are found, consult your place of purchase or a distributor.

• Is there any noticeable damage to the electric wires?

• Is gear shifting carried out smoothly?

• Do any abnormal noises occur during operation?

Names of parts

Important safety information

WARNING

• Do not disassemble or modify the product. This may cause the product to not operate correctly, and you may suddenly fall and be seriously injured.

CAUTION

• Never place your foot on the motor unit. Disassembling them may result in malfunctions.

Notice

E-TUBE port

Motor unit

• Do not keep connecting and disconnecting the small waterproof connector. It may impair the function.

• The components are designed to be fully waterproofed to withstand wet weather riding conditions; however, do not deliberately place them into water.

• Do not clean the bicycle with a high-pressure washer. If water gets into any of the components, operating problems or corrosion may result.

• Handle the components carefully, and avoid subjecting them to strong shock.

• Be careful not to get water into the E-TUBE ports.

• Do not use the thinners or harsh solvents to clean the products. Such solvents may damage the surface. When cleaning the products, use a cloth moistened with a neutral detergent diluted with water.

• Contact the place of purchase for updates of the component software.

The most up-to-date information is available on the SHIMANO website.

• Products are not guaranteed against natural wear and deterioration from normal use and aging.

One Holland, Irvine, California 92618, U.S.A. Phone: +1-949-951-5003

High Tech Campus 92, 5656 AG Eindhoven, The Netherlands Phone: +31-402-612222

Roebuck Way, Knowlhill, Milton Keynes, Buckinghamshire, MK5 8HL, United Kingdom

3-77 Oimatsu-cho, Sakai-ku, Sakai City, Osaka 590-8577, Japan

Please note: specifications are subject to change for improvement without notice. (English)

© Jan. 2021 by SHIMANO INC. ITP