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Приготовление дезинфицирующих растворов различной концентрации Практические работы по географии для 6 класса Организация работы процедурного кабинета Изменения в неживой природе осенью Уборка процедурного кабинета Сольфеджио. Все правила по сольфеджио Балочные системы. Определение реакций опор и моментов защемления |
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
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
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
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:
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.
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