Shimano FH-T780 Manual

Shimano Ikke kategoriseret FH-T780

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Side 1/1

General Safety Information

WARNING

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.

●Obtain and read the service instructions carefully prior to installing the parts.

Loose, worn, or damaged parts may cause injury to the rider.

We strongly recommend only using genuine Shimano replacement parts.

Read these Technical Service Instructions carefully, and keep them in a safe place for

●

later reference.

Note

Use the CS-M771-10 in combination with an MTB 10-speed chain.

●

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

●

Do not apply any oil to the inside of the hub, otherwise the grease will come out.

●

You should periodically wash the sprockets in a neutral detergent and then lubricate

●

them again. In addition, cleaning the chain with neutral detergent and lubricating it can be

a effective way of extending the useful life of the sprockets and the chain.

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

●

chain.

Parts are not guaranteed against natural wear or deterioration resulting from normal use.

●

For maximum performance we highly recommend Shimano lubricants and maintenance

●

products.

Technical Service Instructions SI-3TG0A-002

FH-M785 / HB-M785

FH-T780 / HB-T780

Freehub / Front hub

Speciﬁ cations

Freehub / Front hub

Freehub Front hub

Model No. FH-M785 FH-T780 HB-M785 HB-T780

Gears 10 ––

No. of spoke holes 32 / 36 32 / 36

Overlock nut dimensions 135 mm 100 mm

Applicable brakes Disc brake Rim brake Disc brake Rim brake

Cassette sprocket tooth combination

Model number Group name Gears Tooth combination

CS-M771-10

bJ 10 11, 13, 15, 17, 19, 21, 23, 26, 30, 34T

bK 10 11, 13, 15, 17, 19, 21, 24, 28, 32, 36T

bL 10 11, 12, 14, 16, 18, 20, 22, 25, 28, 32T

CS-6700 – 10 11, 12, 13, 14, 15, 17, 19, 21, 24, 28T

* The RD-M780 cannot be used in combination with the CS-6700 (11-28T).

* The RD-T780 cannot be used in combination with the CS-M771-10 (11-36T).

<FH-M785 / FH-T780>

Installation of the HG sprockets

For each sprocket, the surface that

has the group mark should face

outward and be positioned so that

the wide parts of the gear projections

on each sprocket and the A part

(where the groove width is wide) of

the freewheel body are aligned.

< >CS-M771-10

(bJ) 11 - 34T

(bK) 11 - 36T

(bL) 11 - 32T

<CS-6700>

11 - 28T

For installation of the HG sprockets, use the special tool

(TL-LR15/LR10) to tighten the lock ring.

Tightening torque:

30 - 50 N·m {261 - 435 in. lbs}

To replace the HG sprockets, use the special tool

(TL-LR15/LR10) and TL-SR21 to remove the lock ring.

The groove is wide

at one place only.

Wide part

Tool

(TL-SR21)

Disassembly

TL-LR15 / LR10

Lock ring

Sprocket spacer Sprocket spacer

Spacer

Lock ring spacer

Replacement of the freewheel body

First, pull out the hub axle by following the procedure shown in the illustration. (FH-M785)

The double-lock section at the freewheel side cannot be disassembled.

(1)

Disassembly

5 mm Allen key 17mm spanner

(2)

Rotor ﬁ xing serrations

Seal

Cone with dust cover

(Cannot be disassembled) Lip is on the outside

Left side Tightening torque:

15 - 20 N·m {131 - 174 in. lbs.}

(3)

Hub axle

Note:

When removing and installing the seal, do it very

●

carefully so that the seal does not become bent.

When reinstalling the seal, make sure that it is facing

the right way, and insert it as far as it will go.

Do not disassemble the dust-proof cover which is

●

crimped onto the cone.

The rotor ﬁ xing serrations may become damaged

●

if the disc brake rotor has not been installed to the

FH-M785, so install the accessory rotor mount cover.

After removing the hub axle, remove the freewheel body

ﬁ xing bolt (inside the freewheel body), and then replace the

freewheel body.

Note:

Be sure to apply grease to the the thread of the

freewheel body ﬁ xing bolt, otherwise looseness or

sticking may occur.

Do not attempt to disassemble

the freewheel body, because it

may result in a malfunction.

<HB-M785>

Maintenance

The unit can be disassembled as

shown in the illustration.

Apply grease to the various parts at

periodic intervals.

Note:

The HB-M785 cannot be disassembled from the left side of the

●

hub unit (the rotor ﬁ xing serration side).

When removing and installing the seal, do it very carefully so that

●

the seal does not become bent.

When reinstalling the seal, make sure that it is facing the right way,

and insert it as far as it will go.

The rotor ﬁ xing serrations may become damaged if the disc

●

brake rotor has not been installed to the HB-M785, so install the

accessory rotor mount cover.

Use the special tool (TL-HS22/HS20 /17mm)

for installing the hub axle and a 5 mm Allen

key to tighten the lock nut so as to double-lock

the mechanism as shown in the illustration.

Tightening torque:

15 - 17 N·m {131 - 148 in. lbs.}

5 mm Allen key

Tighten

TL-HS22/HS20

Hub axle

<FH-M785 / HB-M785>

Wheel spoke lacing

Check that the spokes have been laced as shown in

the illustration.

A radial assembly cannot be used.

Rotating direction of wheel

Front left Rear left Rear right Front right

Installation of the rotor

Rotor ﬁ xing lock ring

TL-LR15

Tightening torque:

40 - 50 N·m {348 - 435 in. lbs}

14 mm Allen key

Seal

Rotor mount cover

SI-3TG0A-002-00

Applying grease

DURA-ACE grease

(Y-04110000)

Freewheel body

washer (FH-M785)

Freewheel body

ﬁ xing bolt

Do not disassemble

the seal.

Freewheel body

* Service Instructions in further languages are available at: http://techdocs.shimano.com

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

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-shi, Osaka 590-8577, Japan

Tightening torque:

45 - 50 N·m {392 - 435 in. lbs.}

Produkt Specifikationer

Mærke:	Shimano
Kategori:	Ikke kategoriseret
Model:	FH-T780

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