Keep away from heat

If the temperature of engine piston is too high, it is easy to cause overheating, burning and melting, causing cylinder lock; rubber seals, V-belt, tires, etc. are overheated, which will lead to premature aging, performance degradation and shortening of service life; the coils of starter, generator, regulator and other electrical equipment are overheated, which are easy to be burned and scrapped

Avoid dirty

If the fuel filter, oil filter, air filter, hydraulic oil filter and all kinds of filter screen are dirty, the filtering effect will be poor. If the radiator of water tank, radiator of air-cooled engine cylinder block and cylinder head, and cooler radiator are too dirty, it will lead to poor heat dissipation and high temperature

To avoid rebellion

The engine cylinder gasket should not be installed reversely during installation, otherwise it will cause premature ablation and damage of the cylinder gasket; the fan blade of the engine should not be reversed during the installation; for the tire with directional pattern and herringbone pattern, the ground mark after installation should make the herringbone point point to the rear

Avoid lack

The engine valve keys should be installed in pairs. If the valve is missing or missing, it will cause the valve out of control and damage the piston and other parts; once the engine connecting rod bolt, flywheel bolt, split pin installed on the transmission shaft bolt, locking screw, safety plate or spring pad and other anti loose devices, once missing, may lead to serious failure; If the oil nozzle used to lubricate the gear in the engine timing gear chamber is missing, it will cause serious oil leakage

Avoid oil

If the paper filter element of the engine dry air filter is stained with oil, it is easy to draw the mixture with high concentration into the cylinder, resulting in insufficient air volume, increasing fuel consumption and reducing engine power; if the triangular tape is stained with oil, it will accelerate its corrosion and aging; the brake shoe, friction plate of dry clutch and brake belt are stained with oil, Tire rubber is very sensitive to oil corrosion. Contact with oil will make rubber soft or peeling

Avoid washing

For paper air filter element of engine, do not use any oil to clean; for leather parts, do not use oil for cleaning

Avoiding pressure

If the tire outer tube is stored for a long time and is not turned over in time, it will be deformed due to extrusion; if the paper filter element of air filter and fuel filter is squeezed, it can not reliably play a filtering role; rubber oil seal, triangular tape, oil pipe, etc. can not be extruded

Keep away from fire

If the rubber products such as tire, V-belt, water stop ring of cylinder liner and rubber oil seal are close to the fire source, they will be easy to be aged, deteriorated or damaged. On the other hand, they may cause fire accidents

Avoid repetition

Some parts should be used at one time, but some drivers or repairmen reuse them in order to save or do not understand the "taboo", which can easily lead to accidents.