Lifan motors are produced by a well-known Chinese company. The products are presented in a wide range, from mopeds to buses. In addition, the company supplies power units for many small companies producing small-capacity motor vehicles and agricultural equipment. As a rule, Chinese designers skillfully copy Japanese or European analogues.
Motor "Lifan 6 5": description
This power unit is used on walk-behind tractors and has a power of 6.5 horsepower. The carburetor model is made in a classic layout with one cylinder, a lower camshaft and a rod valve drive.
The cylinder is a one-piece element with the engine crankcase. This design reduces the maintainability of the unit, although theoretically the cast iron sleeve can be replaced. The engine is equipped with forced air cooling, the performance of which does not decrease even when working in the heat, regardless of the load. Ignition is transistor type and does not require adjustment. A compression indicator of 8.5 units allows the unit to operate without problems on low-quality AI-92 gasoline. The specific fuel consumption of Lifan engines is 1.1 liters with a rated power of 4 kW (5.4 hp) and a speed of 2500 rotations per minute.
User manual
Before using the MB, it must be assembled and prepared for use. When receiving a cultivator, pay attention to its power unit. It should have a sticker with a safety symbol on it. Latest modifications of the Lifan 8 liter engine. With. Lifan have distinctive features that must be taken into account when assembling MB. Modification of the Lifan 900 mm – 1100 mm walk-behind tractor involves the installation of additional equipment to expand the plowed harrow.
When working with a motor cultivator, it is important to observe the following safety precautions:
- Before each start, you should inspect the engine.
- Beware of flammable objects when operating the Lifan engine.
- Keep children and animals away from the operating MB.
- The tank can only be refilled when the MB is turned off.
- Do not start the engine indoors.
Before starting work, each MB must be run-in in accordance with the manufacturer's requirements.
Starting work without running in the Lifan engine entails premature breakdowns and failure of the equipment.
Running in the Lifan walk-behind tractor
Running in the engine of the Lifan walk-behind tractor allows you to prepare the cultivator for full operation when the equipment is fully loaded. The purpose of running-in is to break in and grind in all elements of the power unit. The process of running in the Lifan engine is as follows:
- Before starting the engine, check the oil level.
- Fill the fuel tank.
- Start the walk-behind tractor at medium speed.
- For an hour, you need to test the car in all gears one by one.
- Using the cultivator, perform all operations (ploughing, cultivating, transporting cargo) at medium speed and only on previously plowed land.
- After break-in, change the oil and fill the fuel tank.
- The MB is ready to operate at full capacity.
It should be remembered that the break-in process is described in detail in the user manual. Before performing any actions, read the manual and act in accordance with the description.
Tilling the land with Lifan walk-behind tractors
The purpose of Lifan motor cultivators is high-quality cultivation of land for planting, caring for seedlings and harvesting. This type of equipment is excellent for cultivating medium and small areas with any terrain and various types of soil. Plowing with this unit is available up to a depth of 200 mm, which allows you to dig up only the fertile soil layer, leaving deeper clay layers untouched.
Thanks to a large selection of attachments, using the Lifan walk-behind tractor, you can carry out any type of garden work, depending on the season and the needs of the consumer. By changing the components, the motor-cultivator can be used all year round, from plowing and planting to snow removal in winter.
The standard package of the walk-behind tractor includes:
- Milling cutters.
- Wheels d350 mm for walk-behind tractor.
Additional equipment:
- Plow.
- Hay mower.
- Potato digger.
- Pump equipment.
- Snow removal equipment, etc.
The power of the Lifan engine in the latest models allows you to easily cultivate virgin lands with complex mixed soil. However, when working with a motor cultivator, do not forget about the need for technical maintenance.
Modifications
The 6.5 engine line includes the following variations:
- 168F-27A. The unit is equipped with a lighting coil that allows you to power elements with a power of up to 90 W. This makes it possible to operate it on various equipment that requires lighting devices. The landing shaft diameter is 20 mm.
- 168 F-2. The model is equipped with a conical shaft output; it differs from the standard analogue in the corresponding groove of the toe, which guarantees a more accurate and tight fit of the pulleys.
- 168F-2L. This motor is equipped with a built-in reduction gearbox with a landing shaft with a diameter of 22 mm.
- Lifan 168F-2R 7A. Taking into account the markings, it can be understood that in addition to the reduction gear with an automatic clutch type, the unit has a 7-amp light coil.
- 168FD-2R 7A. The most expensive version differs from the standard not only by the size of the gear shaft increased to 22 mm, but also by the presence of an electric starter.
Characteristic
When choosing a new technique, be sure to first familiarize yourself with the characteristics of this model. Today on the market there is a large selection of walk-behind tractors, not only industrially produced, but also made by craftsmen with their own hands, as shown in the photo. Consumers are especially scrupulous when purchasing an engine for their iron assistant.
New models of cars are appearing on sale that have excellent characteristics and are quite inexpensive. The engines of lighter units run on gasoline. They create little vibration and are easy to start. The diesel engine is easier to operate and more economical. In addition, due to its heavy weight, it allows the mechanism to better grip the ground.
Engine "Lifan"
Lifan 177 F
The Lifan 177 F gasoline engine is designed for installation on small motor vehicles. This includes walk-behind tractors, generators, pumps, generators. The modification combines efficiency, reasonable price, and practicality.
The unit is a four-stroke single-cylinder engine with a capacity of 270 cc. see with a nominal power rating of 7.8 “horses”. The cylinder size and timing configuration make it possible to maintain the compact dimensions of the device. It can be easily mounted on most modifications of agricultural machinery.
Device and parameters
Lifan 177 motors are equipped with a crankshaft that is located horizontally. This helps ensure small dimensions and simplifies installation of the engine on the chassis. Torque reaches 15.5 Nm at a speed of 3600 rotations per minute. At the same time, high productivity is observed with economical consumption of gasoline. The fuel tank holds 6 liters of fuel. Transistor ignition is durable and easy to maintain, and operates reliably in all weather conditions. Unit weight – 26 kg
Maintenance
Maintenance of the Lifan walk-behind tractor includes a number of measures aimed at preserving internal parts and preventing breakdowns, namely:
- Checking the level and changing the oil in the walk-behind tractor engine.
- Checking the level and changing the oil in the walk-behind tractor gearbox.
- Checking, cleaning, replacing the air filter.
- Cleaning the sump.
- Cleaning, adjusting, replacing spark plugs.
- Adjusting valves on the Lifan walk-behind tractor.
- Cleaning the fuel tank.
When performing maintenance, it is important to follow the manufacturer's requirements for the use of fuel and oil. What kind of oil to pour into the walk-behind tractor engine is written in detail in the user manual. If you use the wrong oil or fuel, the walk-behind tractor will malfunction. Maintenance must be carried out in accordance with the schedule in the instructions.
Lifan LF2V78F-2A
Gasoline engines "Lifan" of a standard layout with manual and electric start are designed for installation on motor vehicles of various categories. The power unit is a two-cylinder V-engine. It is mounted not only on agricultural machinery, but also on go-karts, all-terrain vehicles, towing vehicles, and mini-tractors. The modification is durable, easy to use, and affordable.
Along with this, the Lifan motor of this type has a high power rating. This makes the model more attractive compared to its closest competitors. The power plant is equipped with a lighting coil (3 A), allowing you to connect a payload of up to 40 W.
Working volume – 688 cubic meters. cm, nominal power is 21.5 horsepower. The size of the cylinders and timing guarantees compact block sizes. The weight of the lightweight unit is only 46 kg. The installation is capable of providing high productivity with minimal costs. The simplicity of the design does not create problems during maintenance and installation. Forced atmospheric cooling allows you to operate the motor in extreme heat, and a convenient cable guarantees easy starting of the installation.
Advantages and disadvantages of Lifan walk-behind tractors
The Lifan walk-behind tractor, according to user reviews, is a reliable and powerful piece of equipment that can cultivate both small and large areas of land. Ease of use allows even novice users and retirees to work with the walk-behind tractor. The price-quality ratio, according to people's reviews, meets expectations.
Among the shortcomings, users highlight the need to quickly replace the original spark plug, and the strict adherence to the rules of use and technical control. Otherwise, the Lifan walk-behind tractor fully complies with the stated characteristics and, with proper maintenance, works properly for a long time.
Boat motor "Lifan"
Below are the detailed technical specifications of the LF 190FD model:
- Fuel - gasoline.
- Working volume – 420 cubic meters. cm.
- The power indicator is 15 “horses”.
- Country of origin: China.
- Noise – 79 dB.
- Number of cycles – 4.
- Cooling type – atmospheric system.
- Oil volume – 1.1 l.
- The capacity of the fuel tank is 6.5 liters.
- Dimensions – 470/435/495 mm.
- The shaft placement is horizontal.
- Number of cylinders – 1.
- Start - manual and electric starter.
- The shaft diameter is 25 mm.
- Torque moment – 25 Nm.
Disassembly
To carry out repairs, you will need to disassemble the Lifan 15 hp engine. With." or its analogues. The principle of operation is approximately identical. The operation consists of following the following steps:
- The oil from the crankcase and gearbox is drained, as is the remaining fuel from the gas tank.
- Remove the fuel tank, muffler and atmospheric filter.
- Disconnect the carburetor, which is attached to the cylinder head with a pair of studs.
- Remove the recoil starter and fan casing.
- The flywheel is fixed with a handy tool so as not to damage the propeller blades.
- Unscrew the fixing nut.
- Using a universal puller, press the flywheel from the seat cone.
- Check the keyway for deformation.
- Remove the ignition coil and lighting winding.
- Unscrew the fixing bolts of the cover and head.
- Remove the cylinder head.
- The valve is checked for tightness by filling the combustion chamber with kerosene in an inverted state.
- If liquid does not appear in any of the valves within a minute, their insulation can be considered satisfactory. Otherwise, problematic parts should be ground in using an abrasive paste or replaced.
- On modifications equipped with a gearbox, remove its cover, remove the secondary shaft, and press the gear or sprocket from the crankshaft. Elements with worn out teeth should be replaced.
- Unscrew the bolts securing the rear cover, after which it is removed. Next, remove the camshaft from the crankcase.
- In the freed space, the bolts connecting the lower cover of the connecting rod with its body are found and unscrewed, the cover and crankshaft are dismantled.
- The piston along with the connecting rod is pushed into the crankcase.
After repairing and replacing defects in the Lifan 15 motor, assembly is carried out in the reverse order.
