III Front Wheel/Front Suspension 


Мы поможем в написании ваших работ!



ЗНАЕТЕ ЛИ ВЫ?

III Front Wheel/Front Suspension



Preparatory data-----------------3.1

Fault diagnosis------------------3.2

Front wheel----------------------3.3

Control assembly---------------3.4

Front fork assembly------------3.5

3.1 Preparatory Data

Precautions on operation

Before removing the front wheel, lift and support the bottom of motorcycle with a jack or other available device. The front wheel is off the ground. Take care not to rotate the wheel reversely.

Attention: Please do not let oil contaminate braking shoe.

 

Basic data of the motorcycle as a whole

Measuring position Item Standard value(mm) Service Limit(mm)
Front wheel shaft Curvature   0.2
Front wheel Wheel shimmy Longitudinal   2.0
Transversal Within 1.0 2.0

 

Tightening torque Tools

Direction handle fixed screw 22-29 NЎ¤m Bearing disassembly pole

Front axle 37-44 NЎ¤m

3.2 Fault diagnosis

3.2.1 Direction handle moves hard

l Direction handle is out of order or damaged

l Bearing failure of direction handle

l Faucet bearing rating nut is too tight

l Tire pressure is not enough

3.2.2 Wobbly Direction Handle

l Damaged handle bearing

l Not enough tyre pressure.

l Front fork bent, front wheel shaft bent.

l Distorted and crooked front wheel tyre.

3.2.3 Wobbly Front Wheel

l Distorted wheel rim

l Worn front wheel bearing

l Defective front tyre

l Unbalance of tyre or wheel

3.2.4 Difficult Rotation of Wheel

l Breakdown of front wheel bearing

l Braking breakdown of brake

l Breakdown of wheel and axle

l Bending of front wheel

3.2.5 Noisy Front Shock Absorber

l Lack of liquid in shock absorber

l Friction sound of shock absorber protecting plate.

l Loosened bolts on the shock absorber.

3.2.6 Operated to one side only or walking not in straight line

l unbalance of both crossesЎЇ adjustment

l bending of shock absorber

l bending of wheels

l inaccuracy of wheelsЎЇ installment

l bending of car frame

l illness of axle

l illness of swing arm central shaft units

3.2.7 Front shock absorber is soft

l lack of liquid in shock absorber

l insecure of spring in shock absorber

l tyre pressure is too low

3.2.8 Front shock absorber is hard

l inadequacy of liquid weight

l block of shock absorber liquid pipe


Front wheel

3.3.1 Disassembly

Support the bottom of body to float front wheel

Disassemble bolt and take down front splash guard and odometer guide line.

Disassemble front brake hose

Disassemble front axle jam nut

Disassemble front axle

Disassemble front wheel

Disassemble oil seal with oil seal stripping attachment and bearing with bearing stripping attachment.

*Note: dismounting picture is on page 41 of this manual

3.3.2 Inspection

3.3.2.1 Shaft Bow Inspection

Place the shaft onto a V block and measure its eccentricity with a dial gauge.

 

 

Service limit: When the measured value exceeds 0.2mm, replace it.

3.3.2.2 Wheel Shimmy Inspection

Service limit:

Longitudinal: replace it when it is over 2.0mm

Transversal: replace it when it is over 2.0mm.


3.3.2.3 Front Bearing Inspection

Disassemble front wheel central lining and take down oil seal.

 

 

Check the rolling condition of bearing.

If not rolling, or the bearing is worn or loose, replace with a new one.

 

 

3.3.3 Bearing Replacement

Disassemble front wheelЎўfront axle and axle sleeve and then disassemble oil seal with oil seal stripping attachment and bearing with bearing stripping attachment.

Note: Removed bearing shall be replaced with a new bearing.

Apply some lubricating grease on the bearing at installation.

And then press the bearing in with bearing installer.

 

* Attention

• The bearing must be pushed in parallel. • Bearing oil seal sleeve must be pressed in from the out.

 

3.3.4 Installation

Oil seal on front wheel should be spread with lubricating grease.

Autometer gearing mesh and moving parts should be spread with lubricating grease.

Fold odometer wheel gear units and then install brake disc

Attention

Without folding and locking odometer wheel gear units to front axle, odometer wheel gear units will be out of shape After installment of axle, rotate it to make sure the rotation condition of autometer drive shaft.

Install front axle and then lock tight.

* Note: the dismounting picture is on page 41 of this manual

Torsion force

Front axle: 37-44 NЎ¤m

3.4 Direction handle

3.4.1 Disassembly

Disassemble direction handle sheath and rearview mirror units

Disassemble front brake handle and left handle units

Take down accelerator seats units and right grip units

Take down accelerator cable units

Take down left direction handle cover

Take down clutch line units and ventilation door line units

Take down handle fixed bolt and handle.

3.4.2 Installment

Install in the order which is against disassembly

Fixed bolt

Torsion forceЈє22-29NЎ¤m

3.5 Front fork

3.5.1 Disassembly

Disassemble front splash guard

Disassemble front wheel

Disassemble brake hose and autometer wire

Disassemble front shock absorber

Disassemble diversion fixed nut

Disassemble direction handle

Tools:

Direction handle fixed bolt wrench

Fixed nut wrench

* Attention:

• Clean the opening part of protecting plate of motorcycle block with a cloth.

 

3.5.3 Installation

Tools:

Locknut wrench

 

Rotate the front fork left and right to be sure of its smoothness and there shall be no looseness.

 

Steps:

Install direction handle.

Install front shock absorber.

Install front wheel.



Поделиться:


Последнее изменение этой страницы: 2016-04-08; просмотров: 433; Нарушение авторского права страницы; Мы поможем в написании вашей работы!

infopedia.su Все материалы представленные на сайте исключительно с целью ознакомления читателями и не преследуют коммерческих целей или нарушение авторских прав. Обратная связь - 44.222.128.90 (0.01 с.)