Shimano Dynamo Front Hub DH 3N80 User Manual

User Manual: Shimano Dynamo Front Hub DH-3N80 User Manual

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Hub Dynamo

DH-3N80
DH-2N80-E

6 V -- 3 W
6 V -- 2.4 W

7

8

9

6
4

5

13 pcs.

2

3

3
4
5
* 6
7
8
9

SHIMANO
CODE NO.
Y-20E 98010
Y-2SS 98030
Y-2Z4 98010
Y-2Z5 98010
Y-2Z4 13000
Y-000 91210
Y-2Z4 12000
Y-2Z4 98020
Y-2Z4 16000
Y-2Z4 10000

DESCRIPTION
Complete Quick Release 133 mm (5-1/4")
Connector Cap & Cover
Internal Assembly (Axle Length 108 mm) for DH-3N80
Internal Assembly (Axle Length 108 mm) for DH-2N80-E
Grease Guard
Steel Ball (3/16") 20 pcs.
Seal Ring
Cone (M14 x 10.73 mm) w/Dust Cover
Left Hand Spacer (5.2 mm)
Serated Lock Nut (M12 x 4.5 mm)

A: Same parts.
B: Parts are usable, but differ in materirals, appearance, finish, size, etc.
Absence of mark indicates non-interchangeability.

-E
30

20

-2N
DH

-3N

-3N
DH

ITEM
NO.
1
* 2

DH

71

1

INTERCHANGEABILITY
B
A
A
A

A

A

A

0708-2732A

General Safety Information

Connection of the cables
Connect the cables as shown in the illustration below.

WARNING – To avoid serious injuries:

Note:

Obtain and read the service instructions carefully prior to installing the parts.
Loose, worn, or damaged parts may cause serious injury to the rider.
We strongly recommend only using genuine Shimano replacement parts.
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.

Scrape away the paint from the lamp's frame connection terminal
and the lamp connection terminal when connecting the cables.
Frame connection
terminal

Note:

Do not switch over the frame cable and the lamp cable
by mistake. If the cables are connected incorrectly, the
lamp will not illuminate.
Twist the cable wires before connecting them so that
they stay together.
Recommended wire specifications

Check that the lamp illuminates normally when riding at nighttime.
Read these Technical Service Instructions carefully, and keep them in a safe place
for later reference.

CAUTION

Wire

The hub dynamo generates an extremely high voltage. Never touch the connection
terminal of the hub dynamo directly while riding the bicycle or while the wheel is
spinning. Touching the dynamo terminal may cause an electric shock.

Lamp connection
terminal

Type

Stranded
Size (AWG) 22
Diameter approx. 0.8 mm
Diameter 1.8 – 2 mm

Wire

NOTE:

According to German regulations (StVZO), a hub dynamo in Germany requires
overvoltage protection. This hub dynamo does not have overvoltage protection inside
the hub itself. Use an external overvoltage protector with a symbol to show that it
complies with the German regulations (Shimano SM-DH10 overvoltage protector or
similar product).

Insulation

Frame cable

Check the degree of parallel of the front fork end. If the front fork end is severely out of
parallel, deformation of the hub axle may cause noise from an obstruction inside the
hub dynamo to be generated.

Lamp cable

Install the hub dynamo to the front fork so that the side with the connection terminal is
on the right when facing toward the front of the bicycle. If the side with the connection
terminal is facing toward the left, the hub dynamo may not turn properly while riding.

Note:

Bend the cable wires and run them
along the grooves.

Approx.
16 mm

Approx. 16 mm

Check that the hub dynamo connection terminal is securely connected before using the
hub dynamo.
Compatible bulbs

Insert

Connector cap (gray)
Connector cover (black)

Front lamp

Taillamp

6.0 V/ 2.4 W
6.0 V/ 3.0 W

6.0 V/ 0.6 W

Insulation

Bend

Groove

Do not allow the cable wires to
touch each other.

Note:

Set so that it faces the
right way.

If the bulb of either the front lamp or taillamp blows, excessive voltage will be applied to
the remaining lamp and shorten the operating life of the bulb, so any blown bulbs
should be replaced as soon as possible.
Lamps with electrical circuits such as automatic lamps may become damaged if the
bicycle is ridden at high speeds.
If the lamp is frequently turned on when riding at high speed ranges, it will shorten the
operating life of the bulbs.

Press in until you hear
a click.

Do not disassemble the internal hub mechanism.
Do not apply any lubricant to the inside of the hub, otherwise the grease will come out
and it may cause problems with conductivity.
The hub dynamo will cause the turning of the wheel to become slightly heavier
because of the magnet inside the hub.
Parts are not guaranteed against natural wear or deterioration resulting from normal
use.

SI-2ZR0B-001

DH-3N80
DH-3N71

Hub Dynamo

Hub dynamo connection terminal
Frame connection terminal

Lamp connection terminal

Note:

Secure the cable to the front fork or the basket stay so that it will not
get caught in the spokes or any other parts while riding. If the
position of the hub dynamo may change with respect to the lamp
Connector
cover
while riding, for example when using a suspension fork, make sure
that the cable is connected so that it will not be too loose or too tight
at any point within the range of movement.
Remove
Connect so that the current from the hub dynamo flows through the
cable from the lamp connection terminal of the hub dynamo to the
frame connection terminal.
To disconnect the lamp from the hub dynamo, remove the connector
cover.
Do not ride the bicycle while the connector cover is removed, otherwise the cable might
get caught in the bicycle wheel.
When removing the bicycle wheel, first remove the connector cover. If the cables are
pulled strongly, it may break the cable wires or cause poor contacts. Furthermore, when
installing the wheel, first secure the wheel to the front forks and then connect the
connector cover.

Technical Service Instructions
Connector cover

Installation of the front wheel
Install the wheel so that the side with the hub dynamo connection terminal is on the
right side when looking toward the front of the bicycle, and so that the hub
connection terminal is aligned with the front fork or with the basket stay.
Then install by following the procedure shown in the illustration below so that the
connection terminal is facing upward. Do not force the connection terminal to turn
after the quick release lever has been secured.

Cable
Front fork

Connect

Connection terminal

Checking the lamp illumination

Front fork

Rotate the front wheel and check that the
lamp illuminates.

Mudguard stay

Volute spring
Quick release nut

Note:

The toothed axle washer is not necessary
for a quick release type.

Front fork

These service instructions explain how to use and maintain the Shimano bicycle parts which have been
used on your new bicycle. For any questions regarding your bicycle or other matters which are not related to
Shimano parts‚ please contact the place of purchase or the bicycle manufacturer.

Connection
terminal

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

Mudguard stay

Connect the two wires to ensure that the
current flows smoothly.
Quick release nut

One Holland, Irvine, California 92618, U.S.A. Phone: +1-949-951-5003
Industrieweg 24, 8071 CT Nunspeet, The Netherlands Phone: +31-341-272222
3-77 Oimatsu-cho, Sakai-ku, Sakai, Osaka 590-8577, Japan
C Mar. 2007 by Shimano Inc. PIT. SZK. Printed in Singapore



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