Shimano Nexus Inter-8 Manual de usuario

(English)

DM-SG0003-01

Dealer's Manual

Nexus

Inter-8

Inter-7

Inter-5

CONTENTS

IMPORTANT NOTICE.............................................................................................. 4

TO ENSURE SAFETY............................................................................................... 5

INSTALLATION ....................................................................................................... 9

Installation of the sprocket to the hub .............................................................................9

< 7-gear hub / 5-gear hub >.............................................................................................9

< 8-gear hub > ................................................................................................................10

Installation of the cassette joint to the hub....................................................................11

< 7-gear hub > ................................................................................................................11

< 8-gear hub / 5-gear hub >...........................................................................................12

Installing the Inter-M brake to the hub body.................................................................13

Installation of the hub to the frame................................................................................14

Installation of the lever ....................................................................................................17

< In the case of REVOSHIFT > ........................................................................................18

< In the case of RAPIDFIRE Plus > ..................................................................................18

Installation of the shifting cable......................................................................................19

Installing to the cassette joint..........................................................................................19

< In the case of CJ-NX10 / CJ-8S20 >..............................................................................19

< In the case of CJ-NX40/CJ-8S40 >................................................................................22

ADJUSTMENT ...................................................................................................... 27

Adjusting the cassette joint..............................................................................................27

MAINTENANCE.................................................................................................... 29

Disconnecting the shifting cable when removing the rear wheel from the frame......29

< In the case of CJ-NX10/CJ-8S20 >................................................................................29

< In the case of CJ-NX40 / CJ-8S40 >..............................................................................31

Replacing the inner cable.................................................................................................33

Replacement and assembly of the indicator unit ...........................................................35

Oil maintenance of the inner set unit .............................................................................36

List of DM-compatible models

Parts / Series Inter-8 Inter-7 Inter-5

Internal hub gear

Coaster brake SG-C6000-8C

SG-8C31

SG-C3000-7C

SG-7C30 -

Inter-M brake

SG-C6010-8R

SG-C6000-8R

SG-8R31

SG-8R36

SG-8R60

SG-C3000-7R

SG-7R50

SG-5R30

SG-5R35

V-brake

SG-C6010-8V

SG-C6000-8V

SG-8R31-VS

SG-8R36-VS

SG-8R60-VS

-SG-5R30-VS

SG-5R35-VS

Shifting lever

RAPIDFIRE Plus -SL-7S50 SL-5S50

Shifting lever

REVOSHIFT SL-8S31

SL-8S30

SL-7S31

SL-7S30 SL-5S30

Cassette Joint CJ-8S40

CJ-8S20

CJ-NX40

CJ-NX10

CJ-8S40

CJ-8S20

IMPORTANT NOTICE

•

This dealer's manual is intended primarily for use by professional bicycle mechanics.

Users who are not professionally trained for bicycle assembly should not attempt to install the components themselves using the

dealer's manuals.

If any part of the information on the manual is unclear to you, do not proceed with the installation. Instead, contact your place

of purchase or a local bicycle dealer for their assistance.

•

Make sure to read all instruction manuals included with the product.

•

Do not disassemble or modify the product other than as stated in the information contained in this dealer's manual.

•

All dealer's manuals and instruction manuals can be viewed on-line on our website (http://si.shimano.com).

•

Please observe the appropriate rules and regulations of the country, state or region in which you conduct your business as a

dealer.

For safety, be sure to read this dealer's manual thoroughly before use, and follow it for correct use.

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

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

WARNING

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

CAUTION

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

TO ENSURE SAFETY

WARNING

•

When installing components, be sure to follow the instructions that are given in the instruction manuals.

It is recommended that you use only genuine Shimano parts. If parts such as bolts and nuts become loose or damaged, the bicycle

may suddenly fall over, which may cause serious injury.

In addition, if adjustments are not carried out correctly, problems may occur, and the bicycle may suddenly fall over, which may

cause serious injury.

•

Be sure to wear safety glasses or goggles to protect your eyes while performing maintenance tasks such as replacing parts.

•

After reading the dealer's manual thoroughly, keep it in a safe place for later reference.

Be sure to also inform users of the following:

•

It is important to completely understand the operation of your bicycle's brake system.

Improper use of your bicycle's brake system may result in a loss of control or a fall, which could lead to severe injury. Because

each bicycle may handle differently, be sure to learn the proper braking technique (including brake lever pressure and bicycle

control characteristics) and operation of your bicycle. This can be done by consulting your professional bicycle dealer and the

bicycle's owners manual, and by practicing your riding and braking technique.

•

The brake levers are equipped with a mode switching mechanism to make them compatible with cantilever brakes and roller

brakes or V-BRAKE brakes with power modulator.

If the incorrect mode is selected it may cause either excessive or insufficient braking force to occur, which could

result in dangerous accidents.

Be sure to select the mode in accordance with the instructions given in the table below.

Mode position Applicable brake

C: Mode position for compatibility with

cantilever brakes

R: Mode position for compatibility with roller

brakes

C R

C/R position

•

Cantilever brakes

•

Roller brakes

V: Mode position for compatibility with

V-BRAKE brakes with power modulator

C R

V position

•

V-BRAKE brakes with power

modulator

Use the brake levers with mode switching mechanism in the combinations given above.

•

Check that the wheels are fastened securely before riding the bicycle. If the wheels are loose in any way, they may come off

the bicycle and serious injury may result.

For Installation to the Bicycle, and Maintenance:

•

When securing the brake arm to the frame, be sure to use a brake arm clip that matches the size of the chainstay, and securely

tighten them with the clip screw and clip nut to the speciﬁed tightening torque.

Use a lock nut with a nylon insert (self-locking nut) for the clip nut. It is recommended that standard Shimano parts be used for

the clip screw, clip nut and brake arm clip.

If the clip nut comes off the brake arm, or if the clip screw or brake arm clip becomes damaged, the brake arm may rotate on

the chainstay and cause the handlebars to jerk suddenly, or the bicycle wheel may lock and the bicycle may fall over, causing

serious injury.

•

When installing the hub to the frame, be sure to install the correct non-turn washers to the left and right sides, and securely

tighten the hub nuts to the speciﬁed torques. If the non-turn washers are installed to one side only, or if the hub nuts are not

tightened sufﬁciently, the non-turn washer may fall out, which could cause the hub axle to rotate and the cassette joint to

turn. This may then cause the handlebars to be accidentally pulled by the shifting cable, and an extremely serious accident

could result.

< Coaster brake hub >

•

When using a fork end with a rear-facing dropout, use the chain adjusters to remove excess slack from the chain.

CAUTION

Be sure to also inform users of the following:

•

Be sure to shift the shifting lever one gear at a time. During shifting, reduce the force being applied to the pedals. If you try to

force operation of the shifting lever or perform multi-shifting while the pedals are being turned strongly, your feet may come

off the pedals and the bicycle may topple over, which could result in serious injury.

Operating the shifting lever to multi-shift to a light gear may also cause the outer casing to spring out of the shifting lever.

This does not affect the capabilities of the shifting lever because the outer casing returns to the original position after shifting.

•

If the brake is used frequently, the area around the brake may become hot. Do not

touch the area around the brake for at least 30 minutes after you finish riding the

bicycle.

Area around the brake

< Coaster brake specifications >

•

Avoid continuous application of the brakes when riding down long slopes, as this will cause the internal brake parts to become

very hot, and this may weaken braking performance. It may also cause a reduction in the amount of brake grease inside the

brake, and this can lead to problems such as abnormally sudden braking.

•

Spin the wheel and confirm that the braking force of the coaster brake is correct.

NOTE

Be sure to also inform users of the following:

•

You can shift gears while lightly pedaling, but on rare occasions the pawls and ratchet inside the hub may produce some noise

afterwards as part of normal gear shifting operation.

•

The internal hub is not completely waterproof. Avoid using the hub in places where water might get inside it and do not use

high-pressure water to clean the hub, otherwise the internal mechanism may rust.

•

Do not disassemble the hub. If you need to disassemble it, consult the dealer where you made a purchase.

•

All of the following phenomena occur due to the internal gear-shifting structure and are not the failure of the internal

components.

Possible phenomena

Number of

gears for the

hub

Types of hub Gear positions

where the

phenomena might

occur

For coaster brake For roller brakes/

V-BRAKE

If you place your foot on a pedal

and move the bicycle backwards, a

clicking will be felt in the pedal.

7-gear hub X - All gear positions

Noise occurs when the pedals are

rotating.

7-gear hub

X - All gear positions

- X 2, 3, 4, 5, 6, 7-speed

8-gear hub X - Gear positions

except the 1st

Noise occurs when the bicycle is

pushed backward. 8-gear hub X X 5, 6, 7, 8-speed

The hub has a built-in mechanism

for facilitating gear shifting.

When the mechanism operates

during gear shifting, noise and

vibration may occur.

8-gear hub X X All gear positions

Depending on the gear position,

gear shifting may give different

feels.

7-gear hub X

XAll gear positions8-gear hub X

5-gear hub -

When pedal rotation is stopped

during riding, noise will be

generated.

7-gear hub X X

All gear positions

8-gear hub X -

5-gear hub - X 4, 5-speed

•

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.

< Coaster brake specifications >

•

If the wheels are not rotating smoothly, you need to replace or grease the brake shoes. Consult the dealer where you made a

purchase.

For Installation to the Bicycle, and Maintenance:

•

The cassette joint should only be used with sprockets from 16T to 23T.

•

It is recommended that the chain ring of the front be set to the following gear ratio.

7, 8-gear: about 2.1

5-gear: about 2.0

Example) In the case of 26 inch wheels

Front 36T 38T 46T

Rear

7, 8-gear 16T 18T 22T

5-gear 18T 19T 23T

•

In order to maintain proper performance of the product, it is recommended that you ask the place where you purchased the

bicycle or your nearest Pro shop to carry out maintenance such as greasing the internal parts about once every two years from

the first time of use (once about every 5,000 km if the bicycle is used very frequently). It is also recommended that you use the

Shimano internal hub grease or lubrication kit when carrying out maintenance. If the special grease or lubrication kit is not

used, problems such as gear shifting malfunction may occur.

•

If the wheel becomes stiff and difﬁcult to turn, you should lubricate it with grease.

•

You should periodically wash the chainrings in a neutral detergent. In addition, cleaning the chain with neutral detergent and

lubricating it can be an effective way of extending the useful life of the chainrings and the chain.

•

If the chain keeps coming off the sprockets during use, replace the sprockets and the chain.

< Coaster brake specifications >

•

Use a wheel with 3x or 4x spoke lacing. Wheels with radial lacing cannot be used because the spokes and the wheel can be

damaged when applying the brakes and brake noise can be generated.

•

If the wheel becomes stiff and difficult to turn, you should replace the brake shoes or lubricate with grease.

•

Use only the dedicated grease for the brake shoes. When using a lubrication kit, remove the brake shoes to avoid contact with

the oil.

The actual product may differ from the illustration because this manual is intended chiefly to explain the procedures for

using the product.

INSTALLATION

List of tools to be used

The following tools are required to assemble the product.

Where to use Tool

Hub nut Adjustable wrench

Brake lever 5 mm Allen key

Shifting lever

RAPIDFIRE Plus 5 mm Allen key

Cover fixing screw Screwdriver (#2)

REVOSHIFT 3 mm Allen key

Cover fixing screw Screwdriver (#1)

Cassette joint Inner cable fixing bolt unit TL-CJ40 (Y70898020)



Installation of the sprocket to the hub

< 7-gear hub / 5-gear hub >

Place right hand dust cap onto the driver on the right side of

the hub body.

Next, install the sprocket and secure it in place with the snap

ring.

Specifications

Applicable sprockets

Outward

assembling

Inward

assembling

7-gear 16T - 23T 18T - 23T

5-gear 16T - 23T

Note the

direction

Snap ring

Sprocket

7-gear: Right hand dust cap C

5-gear: Right hand dust cap D

Driver

< 8-gear hub >

Place right hand dust cap C or B onto the driver on the right side

of the hub body. Next, install the sprocket and secure it in place

with the snap ring.

Specifications

Applicable sprockets

Outward

assembling

Inward

assembling

A16T - 23T 20T - 23T

B16T - 23T

Note:

•

For A specifications: If the sprocket is an inward assembling

sprocket with 19T or less or for belt drive specifications, right

hand dust cap A will come into contact with the chain or pulley

and so B specifications should be used instead.

•

For B specifications: If the sprocket is an inward assembling

sprocket with 16T and 3 mm teeth or for belt drive

specifications, remove right hand dust cap B before use.

Snap ring

Sprocket

Note the

direction

A specifications:

Right hand dust cap C

B specifications:

Right hand dust cap B

A specifications:

Right hand dust cap A

B specifications:

Right hand dust cap A

Driver

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