HER CHEE GTC-50 Manuale utente
SERVICE MANUAL
GTC-50
January, 2011
High power Engine
HER CHEE INDUSTRLAL CO., LTD.
INTRODUCTION
This Service Manual is provided as the technical information for the
check & preparation of ADLY GTC-50 scooter, and the direction edited
is given in diagrams with "Operation Sequence", "Key Points", and
"Adjustment of Check" for reference of the service staffs.
This Service Manual is finished in accordance with the model of
GTC-50 Taking new model as standard if there are differences between
the model described in this manual and the actual scooter.
HER CHEE INDUSTRIAL CO., LTD.
CONTENTS
Chapter
Information for Preparation...........................................................1
Diagnose of Brake Down.........................................................…. 1
Check & Adjustment.................................................................... 2
Engine -
Installation of Lubrication ............................................................ 3
Fuel system ................................................................................. 4
Engine assembling/disassembling ................................................ 5
Cylinder head, Cylinder, and Piston .............................................6
Starter / Driving Wheel ................................................................ 7
Clutch / Driven Wheel Assembly .................................................7
Final Transmission Mechanism ....................................................8
Crank Shaft Case, Transmission Box ........................................... 9
Chassis -
Front Wheel, Front Suspension, Front Brake ...............................10
Rear Wheel, Rear Suspension, Rear Brake ................................. 11
Electrical Device ...........................................................................12
Wiring Diagram ........................................................................... 13
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1. INFORMATION FOR PREPARATION
*** Attention of Operation ***
All the washers, oil rings, clamping rings, cotter pins, etc., shall be replaced by new one when
they have been disassembled.
After slightly locking the screws, bolts and nuts, etc., first, tighten them according to the
tightening tension stipulated with the opposite angle's way from big diameter's screw to small
diameter's screw, and from inside to outside.
Must use the pure and original oil, grease, and parts.
Must use the professional tools and the general tools to repair.
Must clean the parts checked after disassembling the parts, and put the grease to lubricate the
operation face when assemble the parts.
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*** Attention of Operation ***
Must lubricate to the appointed part with grease oil, and the canned lubrication.
To confirm the locking parts and check the operation of each part after assembling.
Must coordinate with each other and pay attention to the safety when working over 2 people.
Meaning of Pattern and Notes
The patterns and notes below are the direction and attentions of this service manual.
Lubrication
Use the appointed lubricant in the appointed part.
Use the lubricant to lubricate
The part of using special tools.
Use the general tools.
Use new one after disassembling.
Attention!
Danger and important operation!
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SPECIFICATIONS
TYPE 50 CC
LENGTH 1750 mm
WIDTH 685 mm
HEIGHT 1140 mm
WHEEL BASE 1220 mm
NET WEIGHT 75Kg
DISPLACEMENT 49.3 c.c.
BORE X STROKE 40 x 39.2mm
ENGINE TYPE 2 Stroke ,Single cylinder, AIR COOLED
COMPRESSION RATIO 7 : 1
IGNITION C.D.I. IGNITION
STARTER ELECTRIC & KICK
SUSPENSION Oil Damped shock absorber FRONT / REAR
TRANSMISSION AUTOMATIC, CVT type
TIRE 120/70-12
FRONT BRAKE DISC
REAR BRAKE DRUM
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Locking Torque
Adopt the standard torque locking for the item unlisted.
Engine
Place of Locking Q'ty Screw Diameter
(mm)
Locking Torque
(Kg-m)
Screw of Cylinder Cap 4 6 1.0
Flywheel Nut 1 10 3.8
Clutch Jacket Nut 1 1 3.8
Driving Disc Nut 1 28 5.5
Special Screw of Sliding Driving Disc 3 5 0.45
Nut of Transmission Disc 1 10 3.8
Oil-check Screw 1 8 1.3
Joint Screw of Exhaust manifold 2 6 1.2
Exhaust Pipe Support Screw of Muffler 2 6 1.2
Spark Plug 1 14 1.4
Bolt of Crank Shaft Case 6 6 10
Bolt of Engine Installation 1 8 5.0
Chassis
Place of Locking Q'ty Screw Diameter
(mm)
Locking Torque
(Kg-m)
Spanner Nut of Handle Steering Steam 1 25 7.0
Front Wheel Axle Nut 1 10 4.5
Rear Axle Nut 1 14 11
Rear Brake Arm Screw 1 5 0.6
Upper Screw of Rear Shock Absorber 1 10 4.0
Lower Screw of Rear Shock Absorber 1 8 2.7
Engine Mounting Bracket 1 8 6.0
Standard Locking Torque
Type Locking Torsion(Kg-m)
5mm Screw 0.4
6 mm Screw 1.0
6 mm Hex Washer Face Bolt / Nut 1.2
8 mm Hex Washer Face Bolt / Nut 2.7
10 mm Hex Washer Face Bolt / Nut 4.0
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The following drawing that shows the disassembling situation of the cover parts for Fox Plus scooters.
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