Shimano SM-AX78-B Manual

Shimano Ikke kategoriseret SM-AX78-B

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

3-77

, k Sa hi, - nOimatsu-cho Sa ai-ku, kai-s Osaka 590 8577, Japa

Please

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

UM-29U0A-002-00 User's manual

Rear E-THRU I-type 12 mm

User's manuals in other languages are available at :

http://si.shimano.com

IMPORTANT NOTICE

•Contact the place of purchase or a bicycle dealer for information on

installation and adjustment 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 (http://si.shimano.com).

•Do not disassemble or alter this product.

For safety, be sure to read this user's manual thoroughly

before use, and follow it for correct use.

Important Safety Information

For replacement information, contact the place of purchase or a bicycle

dealer.

WARNING

•

BEFORE USE, CAREFULLY READ THE REAR E-THRU I-TYPE 12 mm SYSTEM

USER'S MANUAL. IF YOU HAVE ANY QUESTIONS, ASK YOUR DEALER.

•The Rear E-THRU I-type 12 mm can be used in combination with a

special frame and a special hub/wheel. If it is used in combination with

any other frame or hub/wheel, it may cause the wheel to become

detached from the bicycle while you are riding and result in serious

bodily injury.

•If the Rear E-THRU I-type 12 mm is not correctly installed to the bicycle,

the wheel may fall off the bicycle during riding, and serious injury may

occur as a result.

•If the E-THRU lever is on the left side (disc

brake rotor side) of the frame, make sure

that the E-THRU lever does not interfere

with the disc brake rotor (Figure 1). In

addition, make sure that the frame and

the E-THRU lever do not interfere with

each other. Interference of the E-THRU

lever with the frame may loosen the

wheel, thereby causing the wheel to fall

off the bicycle during riding and resulting

in serious injury.

E-THRU

lever

Disc brake rotor

CLOSE position

Figure 1

•Do not touch the disc brake rotor while handling the E-THRU system. In

addition, do not operate the E-THRU lever while the wheel is turning.

The disc brake rotor is very sharp and serious injury may occur as a

result of touching it.

•The brake calipers and disc brake rotor become very hot when the

brakes are being used. To avoid the danger of burns, be sure to check

that they have cooled down sufﬁ ciently after riding the bicycle before

handling the E-THRU system.

•Before installing the wheel, remove any foreign particles and dust from

the fork end hole, the frame-side thread, and the axle openings.

Foreign particles or dust may interfere with the correct installation of

the E-THRU system, and if the hub and axle are not installed correctly,

the wheel may come off and serious injury may occur as a result.

•The adjuster cannot rotate more than 2 turns.

Do not turn the adjuster forcibly in either the tightening or loosening

direction when the rotation of the adjuster feels heavy. Forcibly turning

the adjuster may damage it.

•After reading the user's manual carefully, keep it in a safe place for

later reference.

Note

•Always check the E-THRU hubs before riding to make sure the wheels

are correctly installed on the frame. This is especially important after

you park your bicycle in a public place.

•Make sure that the E-THRU levers are pushed fully to the CLOSE

position (the side of the lever with the inscription "CLOSE" must be

facing away from the bicycle). As show in the ﬁ gure, tilt the levers. Do

not rotate them.

OPEN position

CLOSE position

•In the case of replacing the E-THRU lever axle with another one, make

sure that the one replacing the existing E-THRU lever axle is the same

in model name as the E-THRU model provided on the frame.

If the model name is different, the replacing E-THRU lever axle may not

be mounted correctly onto the frame due to differences in axial length,

thread size, housing diameter, etc.

•Products are not guaranteed against natural wear and deterioration

from normal use and aging.

•For maximum performance we highly recommend Shimano lubricants

and maintenance products.

Regular inspections before riding the bicycle

Before riding the bicycle, check the following items. If any problems are

found with the following items, contact the place of purchase or a bicycle

dealer.

•Are the wheels correctly installed to the frame?

•Are the E-THRU levers fully pushed to the CLOSE position?

QUICK CHECK

Lift up the bicycle so that the wheel is off the ground, and give the top of

the tire a few sharp downward blows as shown in Figure 1. Also shake

the wheel from side to side as shown in Figure 2 to make sure that there

is absolutely no looseness in the wheel. This check does not guarantee

that the E-THRU lever has received adequate tightening torque. If you

are uncertain as to whether the E-THRU lever is tightened correctly,

repeat the installation procedure as explained in "Installing the wheel"

in these Service Instructions before riding the bicycle.

Figure 1 Figure 2

Names of parts

Axle opening

Hub shoulder

Fork end

E-THRU lever

Adjuster

Operation

NOTICE

•Always be sure to operate the E-THRU lever with your hand. Never use

a hammer or other object to close the lever. If this is not observed, the

E-THRU system or the frame may be damaged.

What is the E-THRU hub?

It is a mechanism that uses the E-THRU lever on the hub to easily install

and remove the wheel.

E-THRU hub function

Tilt the E-THRU lever toward the CLOSE position and clamp the frame to

secure the wheel in the correct position.

CLOSE position

E-THRU lever

OPEN position

Installing the wheel

1. Align the hub shoulder correctly

with the fork end. Fork end

Hub

shoulder

Move the E-THRU lever to the OPEN

position, and insert it into the hole

in the fork end on the side opposite

to where the thread is. Pass the

lever axle all the way through until

it reaches the thread part on the

other side.

Turn the E-THRU lever to screw the E-THRU lever axle into the frame-

side thread.

Open and close the E-THRU lever; tighten the E-THRU lever axle into

the frame-side thread until some resistance is felt when the E-THRU

lever is parallel to the hub axle while being moved toward the CLOSE

position.

OPEN

position

Checking

position

4. For safety, make sure that the E-THRU lever runs along the frame

when it is in the CLOSE position. Using just the force of your hand,

push the E-THRU lever with the palm of your hand until it moves all

the way to the CLOSE position. Check that the side of the E-THRU

lever with the inscription "CLOSE" is facing away from the bicycle.

Check that the E-THRU lever moves to the position shown in the ﬁ gure

when it is in the CLOSE position. If it is not at the correct position, the

adjuster needs to be adjusted. Refer to "Adjusting the adjuster" for

details on how to do this.

Not OK

OK E-THRU

lever

Disc brake rotor

CLOSE position

Tightening torque:

5 - 7.5 N·m {44 - 65 in. lbs.}

If there are any instructions on the tightening position for the E-THRU

lever in the Service Instructions, follow them when tightening.

Removing the wheel

Move the E-THRU lever from the CLOSE position to the OPEN position,

and then turn the E-THRU lever counterclockwise to remove the E-THRU

axle from the frame-side thread. Once the E-THRU axle has been removed

from the frame-side thread, remove the E-THRU axle from the wheel.

Adjusting the adjuster

1. Screw the E-THRU lever axle into the frame-side thread in step 3 of

Installing the Wheel, then turn the E-THRU lever to adjust it so that it

moves to the correct CLOSE position, and check the torque.

2. •

If the tightening torque is weak when moving the E-THRU lever to the

CLOSE position, turn the adjuster in the direction of the arrow. The

adjuster can be rotated 1/8 of a turn at a time, as indicated on itself.

Fixing torque: Stronger

•

If the tightening torque checked in step 1 is so strong that the E-THRU lever

cannot be easily moved to the CLOSE position, turn the adjuster in the direction

of the arrow to make it weaker. Perform the adjustment using a single consistent

motion without loosening your grip, 1/8 of a turn at a time as indicated on the

adjuster, and set the E-THRU lever to the maximum reversible ﬁ xing strength.

Fixing torque: Weaker

3. Repeat this adjustment until the correct installation force is obtained

at the correct lever position.

Produkt Specifikationer

Mærke:	Shimano
Kategori:	Ikke kategoriseret
Model:	SM-AX78-B

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