KEEWAY ARN125 Installations- und Benutzerhandbuch
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Scooter Service and Maintenance Manual
ARN125/150
C o p y r i g h t :
K E E WAY I N T E R N AT I O N A L D E V E L O P M E N T C O . , LT D .
FEB.2006
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If you have any problems can not fnd the solution in this manual, please
fell free to contact with:
KEEWAY INTERNATIONAL DEVELOPMENT CO.,LTD
2000 SZENTENDRE U.8 KOZUZO. HUNGARY
TEL:0036-26-500005
FAX:0036-26-312034
EMAI: info@keewaymotor.com
Our engineer are very glad to give you the necessary assistance and
help.
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CONTENTS
Perface
A General knowledge
1. Basic term-----engine
2. Engine type—4 STROKE ENGINE，WORK CYCLES/ILLUSTRATIONS.
3. Safety for repair shop
4. Electric safety
B PRODUCT
1. Technical parameter
2. Special service tools
3. Engine and transmission system
a) Specified torque volume
b) Small but vital parts
c) Non-directional accessory-engine part
d) Engine removal and installation
e) ------ Cowling assembly
------Cylinder head assembly
-------Sub-cylinder shaft retainer assembly
----- Piston assembly
------Left crankcase cover assembly
---------Right crankcase cover assembly
--------Right crankcase
---Left crankcase parts assembly
----Crankcase assembly
----Transmission case
----Driven wheel disc clutch assembly
---- Kick starter shaft subassembly, transition gear shaft subassembly installation
---Driver wheel disc part assembly
---Exceeding clutch assembly
f) ---Power transfer chart
g) Lubricating system
h) Engine valve clearance setting
i) Cyliner pressure testing
j) Important standard dimension----engine
4. Oil----fuel system
--- Carburetor
----Carburetor removal/installation/
adjustment
5. Scooter body installation
6. Fixing torque---scooter body part
a) Front wheel assy.
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b) Rear wheel assy.
c) Muffler assy.
d) Front fork assy.
e) Front shock absorber assy.
f) Disc brake system
g) Points for motorcycle installation
h) Important dimension for scooter body
6．Electric work/electric
a) Magneto
b) Circuit diagram
c) Electronic ignition part test
d) Battery charge circuit and testing process for battery charge
e) Signal system circuit diagram
f) Various bulbs removal and installation
g) Inspection process for electronic accessories
h) Main electric accessories specification
i) Important electric parameters
C else
7. Inspection/inspection points before using
8. Periodical service
9. Permission and forbiddance
10. Safe driving
11. Fault inspection
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A
GENERAL
INFORMATION
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1．
．．
．B A S I C T E R M S O F E N G I N E
A. DEAD CENTER
DEAD CENTER IS THE TWO LIMITED
POINTS, WHERE PISTON MOVES UP
AND DOWN IN LINE.
TOP DEAD CENTER－WHICH IS FARTHEST
AWAY FROM THE ROTATION CENTER OF
CRANKSHAFT.
BOTTOM DEAD CENTER－WHICH IS NEAREST
AWAY FROM THE ROTATION CENTER OF
CRANKSHAFT.
B.
B.B.
B. CYLINDER DIAMETER
CYLINDER DIAMETER CYLINDER DIAMETER
CYLINDER DIAMETER
INNDRE DIAMETER OF CYLINDER IS CALLED CYLINDER DIAMETER.
C.
C.C.
C. JOURNEY
JOURNEY JOURNEY
JOURNEY
JOURNEY IS THE DISTANCE THAT PISTON
TRAVELS. WE USUALLY CALL ONE JOURNEY FROM
TOP DEAD CENTER TO BOTTOM DEAD CENTER.
D. WORKING CAPACITY OF THE CYLINDER
THE SPACE VOLUME OF PISTON WORKING
PATH, WHICH PISTON MOVES FROM TOP DEAD
CENTER TO BOTTOM DEAD CENTER IS CALLED
WORKING CAPACITY OF CYLINDER. USUALLY THE UNIT OF CYLINDER WORKING
VOLUME IS CC(CM³), SUCH AS 75CC, 125CC, WHICH IS DIFFERENT FOR WITH DIFFERENT
ENGINE MODEL.
E. TORQUE
TORQUE IS THE FORCE OF WHIRLING OR ROTATING.
WHEN WE LOOSEN OR SCREW NUTS/ SCREWS, WE HAVE
PUT TORQUE ON IT.
IN ORDER TO DRIVE THE WHEELS, THE ENGINE PUT TORQUE,
WHICH MAY STRENGTHEN LARGER FORCE ON WHEELS
WHEN CLIMBING SLOPE.
THE TORQUE IS EQUAL THAT THE FORCE MULTIPLIES THE
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ARM OF FORCE.
THE UNIT OF TORQUE IS KILOGRAM POWER-METER.
F. IGNITION TIMING
IN ORDER TO CONTROL THE BURNING OF
FIRE CHAMBER,, IGNITION IS TIMING.
THE IGNITION TIMING OF ENGINE QJ162FMJ
CHANGES AS FOLLOW:
WHEN ‘F’ IS 1400RMP, TOP DEAD CENTER
ADVANCES 15°..
WHEN “II” IS 4000RMP, THE TOP DEAD CENTER
ADVANCES 35°.
ENGINE CYCLE
ANY FOUR-STROKE GASOLINE ENGINE
HAS
FOUR STROKES, WHICH CONSIST OF ONE
WHOLE
OF CYCLE.
1.INLET: AIR AND MIXTURED AIR OF OIL
ARE ABSORBED INTO INLET CYLINDER.
2.COMPRESSION: MIXTURED AIR IS
COMPRESSED IN
THE CYLINDER.
3.POWER: WHEN IGNITING ENGINE, GAS
BURNS
AND EXPANDS, AND PUSH THE PISTON
MOVING
DOWN, CONNECTING ROD DIRVES ALONG
CRANKSHAFT AND OUTPUT MECHANICAL
ENERGY.
4.EXHAUST: THE EXHAUST GAS IS
EXPELLED FROM
CYLINDER.
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2．
．．
．4-STROKE ENGINE CYCLE
A：
：：
：INLET STROKE
1、CRANKSHAFT TURNS ANTICLOCKWISE.
2、CRANKSHAFT BRINGS ALONG PISTON TO MOVE THROUGH CONNECTING ROD.
3、WHEN PISTON TRAVES FROM TOP DEAD CENTER TO BOTTOM DEAD CENTER, INLET
PORT OPENS, MIXED GAS GOES INTO CYLINDER.
B. COMPRESSION STROKE
1. CRANKSHAFT REVOLVES CONTINUALLY, BRING ALONG THE PISTON TO MOVE FROM
TOP DEAD CENTER TO BOTTOM DEAD CENTER THROUGH CONNECTING ROD.
2. MIXTURE AIR IS COMPRESSED INTO A NARROW SPACE BETWEEN CYLINDER HEAD
AND PISTON HEAD, WHICH IS CALLED BURNING CHAMBER.
C
CC
C：
：：
： POWER STROKE
POWER STROKE POWER STROKE
POWER STROKE
1. SPARK PLUG INNITES COMPRESSED MIXED GAS OF AIR AND FUEL.
2. Burning of mixed gas of air and fuel results in sudden change of temperature
and pressure in Burning chamber, and then burning gas expands, the power acted on piston
push piston to move down. The power acted on piston transfers to crankshaft through
connecting rod, which leads that crankshaft moves more fastly. Expansion of burning mixed
gas provides enough power.
D: EXHAUST STROKE
D: EXHAUST STROKE D: EXHAUST STROKE
D: EXHAUST STROKE
b) When burning gas pushes piston continually to bottom, exhaust port opens.
c) For inertia crankshaft push piston to Move toward cyliner head.
d) As piston moves toward cylinder head, burning gas is excelled from exhaust port. When piston
travels to top end, exhaust port is shut off.
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3．
．．
．S E R V I C E W O R K S H O P S A F E T Y
WARNING
Don’t use the tool, which is damaged or easy to be
emerged, that may hurt you.
WARNING
Gasoline is flammable, and may explode in
some condition. Please never get it near smoke
or spark.
WARNING
Please often keep ground tidy and clear. Never
leak fuel on ground to avoid skidding and
damage.
WARNING
Never totate engine in close or bad ventilated
room, for exhaust contains poison gas.
WARNING
Please never clean brake hub, brake shoe and so
on with dry brush or compressed air to avoid
inhaling asbestos fibre, which may results in
cancer or other breath system disease.
WARNING
There is vitriol in storage battery, please protect
your eyes, skin and clothes. If touching vitriol
inadvertently, please wash it with water and see
doctor.
WARNING
Keep close privity with your colleague to ensure
safety.
WARNING
Please never touch brake fluid with your eyes,
otherwise wash it with water and see doctor.
Never touch brake fluid with hands for some
long time.
Never splash brake fluid on the surfaces of oil
pait parts and rubber accessories.
Never use superfluous fluid, which is exposed
in air, remaining fluid has absorbed moisture
from air, which may damage its speciality.
S E R V I C E R U L E S
1. Please use QianJiang genuine parts, and use recommended lubricant in pointed place.
2. Use special or universal tools.
3. When reassembling, use new sealed washer, O-ring, oil seal, clip, cottern pin etc.
4. Use metric bolt and nut.
5. When assembling bolt and nut, firstly tighten big diameter or central bolt and nut. Secondly tighten bolt
and nut with diagonal.
6. After assembly, check bolts and nuts tightening degree with torque wrench check if parts can move
freely.
7. Before measuring, oil and dirt should be removed; when assembly, make parts lubricated by
lubrication.
8. When parts are removed and need be reserved for a long time, please smear some lubrication on the
surface so that it is rusted and with dust deposition.
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4 . E L E C T R I C S A F E T Y
a) The relaxation of calbe is hidden trouble;
so remember to clamp each calbe to
ensure safety.
b) Don’t bend cable nip toward welding
point.
c) Band cable on oppointed position.
d) Never lay cable in the bottom of frame
or in needle angle position.
e) Never lay calbe in the end of bolts or
nuts.
f) Keep calbe away from hot source part
or some position where calbe may be
clipped when moving.
g) Lay cable along handlebar, don’t pull it
too tight or too loose, and never terrer
with other parts when ratoating in any
position.
h) Lay calbe smooth, never distort or tie it.
i) Before connecting joint, inspect if joint
is damaged and joint is stretched.
j) If calbe is layed in needle angle or
turning position, protect calbe with
adhesive tape or tube.
k) After repairing, band up it with adhesive
tape.
l) Never keep contolling calbe bended or
distorted. If controlling calbe is
damaged, you may lose stable.
Dieses Handbuch passt für folgende Modelle
1
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