1. GENERAL INFORMATION
1-1
1.
GENERAL INFORMATION
PRECAUTIONS ······································ 1-1
TECHNICAL SPECIFICATIONS ·················· 1-3
TIGHTENING TORQUE ···························· 1-7
PRECAUTIONS
1.
Do not make engine under operation at a closed place or place with poor ventilation for a long time.
2.
If engine stops operation, please do not touch it or silencer to avoid burning.
3.
Due to high corrosiveness, battery fluid (dilute sulphuric acid)) may cause burns to skin and eyes. In case of
splashing it to skin, please clean it with water and see the doctor immediately. In case of splashing it to
clothes, please wash it with water immediately. Keep battery fluid far away from Children.
4.
Cooling liquid is toxic. Do not drink it or splash it to skin, eyes and clothes. once splashing it to skin, please
wash it with a lot of soapy water. In case of splashing it to eyes, please wash eyes immediately and see the
doctor. In case of drinking cooling liquid, resulting in vomit, please see the doctor. Keep cooling liquid far
away from children.
5.
Wear proper working suit, boots and hat. If necessary, please wear long-sleeve working suit and gloves for
operation.
6.
Gasoline is highly inflammable. No smoking or firing. At the same time, fire sparks shall be avoided.
Vaporized gasoline is explosive as well. Operation shall be carried out at places with good ventilation.
7.
Battery may produce explosive hydrogen in charging. Please ensure charging at places with good
ventilation.
8.
Use legal parts, lubricating oil and lubricating grease.
9.
Before overhauling, please clean soil and dust.
10.
Keep accessories of each part well for correct assembly.
11.
Replace dismantled gasket, O-shaped ring, piston pin retainer and cotter pin.
12.
Retainer of rubber ring may be deformed after dismantling. So, please do not use loose and soft retainer.
13.
Please wash and dry dismantled parts. Use lubricant on the surface of moving parts. For correct installation,
please measure data well in dismantling process.
14.
If do not know length of screw, please install screws one by one to ensure their corresponding depth.
15.
Pre-tighten bolts and nuts and then tighten them with designated torque from the big to the small and from
the inside to the outside.
16.
Check whether rubber parts are aged. If necessary, replace them. Keep rubber parts far away from grease.
17.
If necessary, special tools can be used.
18.
Rotate inside and outside races of bearing to ensure flexibility of balls.
a)
If axial or radial resistance is too large, please replace it. If there is concave-convex on the surface,
please use oil for washing. If no effect is achieved with washing, please replace it.
b)
If bearing cannot be clamped tightly in pressing into machine or axle, please replace bearing.
