Before deciding on a particular model of chainsaw, you need to understand the classification by scope of use. For example, amateur tools are designed for small work at home or in the garden, but semi-professional chainsaws will be able to withstand the construction. But with the help of the latter, you can’t work 10 hours every day. In this case, the equipment will be ready to last a short time.
When to choose a professional saw
For consumers whose work is associated with construction, a professional device is suitable. This class is the strongest, it has great power and is capable of many hours of daily load. One of the semi-professional models is the Husqvarna 440, which will be discussed below.
Model description
The aforementioned chainsaw can be purchased for almost 16,000 rubles. This equipment is a versatile tool and is suitable for diverse tasks. Among them, private construction and felling of trees can be distinguished. The unit operates due to the economical and environmentally friendly engine of the brand X-TORQ.
There is a quick start system in the design. The unit is convenient to operate and easy to maintain. It has vibration protection, which is especially important for craftsmen working every day for several hours.
Specifications 440e
Before you purchase the Huskvarna 440 chainsaw model, you should familiarize yourself with its technical specifications in more detail. Among the main consumers highlight the length of the tire. In this design, it is 38 cm. An important factor in the choice is the engine size, it is 40.9 cm 3 . The oil tank holds 0.25 liters. The equipment weighs 5.3 kg. The chain rotates at a maximum speed of 9000 rpm. The chain pitch is 0.325 inches.
Number of links and idle
The kit comes with an NGK BPMR 7A spark plug. You may also be interested in the number of links, in this model it is 64. Idling speed is 2900 per minute. The groove width is 1.3 mm. The noise level during operation of the device is 102 dB. The fuel tank holds 0.37 liters. The power of the model is 1.8 kW, or 2.4 liters. from.
Model reviews
When buyers consider the Husqvarna 440 chainsaw model, they often pay attention to the opinions of other consumers. Among other positive features, they distinguish:
- simple maintenance;
- smooth operation;
- the possibility of a quick start.
With regard to ease of maintenance, it is provided by a chain tensioning mechanism , which in a short time allows you to take the necessary measures. Work will be uninterrupted due to the ability to carry out scheduled filter changes much less frequently. This was achieved thanks to the centrifugal air purification system.
Performance Opinions
Consumers also emphasize a quick start. It is guaranteed by the Smart Start system and fuel pump. Among the additional advantages, buyers distinguish:
- automatic reset switch;
- quick-detachable air filter;
- high idle speed;
- asymmetric rear handle.
As for the latter, it allows you to work with minimal fatigue. The design provides an inertial chain brake, which is also a plus. On the body there is a marking, which allows for greater accuracy of cut. To pump fuel, the manufacturer supplied the equipment with an easily accessible primer, which is very popular with customers.
Reviews on the piston stroke and ignition system
It is impossible not to mention the piston stroke, which is 31 mm or 1.22 inches. Many professionals when buying a "Husqvarna 440" pay attention to the diameter of the cylinder, it is 42 mm, which is equal to 1.65 inches. You may also be interested in the ignition system, its manufacturer is Walbro, which has established itself in the market. The design provides for the ignition system type MBU-33. The chainsaw has a fixed flow oil pump.
The cost of spare parts
No matter how high-quality the equipment may be, during its operation spare parts may be required, “Husqvarna 440” is no exception. For example, you can buy a shock absorber for 1025 rubles. But the side sheet on the crankcase costs about 700 rubles. The side sheet on the tire cover will cost about 450 rubles. A bolt for attaching the air filter housing and carburetor costs a little more than 150 rubles.
The Husqvarna 440 starter assembly costs about 5500 rubles. A tire cover with a chain brake will cost almost 4000 rubles. Flywheel can be purchased for 4900 rubles. A tire stud costs about 400 rubles. A fuel hose will cost 600 rubles. Gas trigger costs 700 rubles. The chain for "Husqvarna 440" can be bought for 600 rubles.
Reviews about the features of operation
Power saws can be dangerous, therefore it is necessary to handle them correctly and carefully. Otherwise, you may be injured. Before starting work, it is necessary to study the instructions. Consumers are advised to wear a protective helmet, goggles or a net mask, as well as noise protection headphones.
Before turning on the device, it must be visually inspected. It is important that there is fuel in the tank. The chain brake must be engaged when starting up the saw. Husqvarna chainsaw can be dangerous, because during its work sometimes there is a kickback when the toe of the saw tire is in contact with the object.
No changes should be made to the original design of the machine. Spare parts used must be original. There are chemicals in the muffler that can be dangerous. Therefore, consumers are advised to exclude contact with these elements if it is damaged.
Husqvarna chainsaw works by emitting exhaust fumes. Their inhalation can be hazardous to health, the same applies to wood dust. The ignition system creates an electromagnetic field during operation. It can cause interference with the electronic stimulator of the heart. In order to eliminate the risk of damage, it is recommended that people with such stimulants consult a doctor. This must be done before using the machine.
Consumers emphasize that it is important to combine the saw bar and chain correctly, as otherwise there may be a risk of kickback. The Husqvarna 440 chainsaw has a chain brake, which is activated manually. It will work when the guard grip moves forward. This movement will trigger a spring mechanism that clamps the brake band.
The anti-recoil safety handle is not only necessary to activate the chain brakes. Its function is also to exclude the hand from falling onto the chain when slipping. Before you start sawing, you should study the characteristics of "Husqvarna 440", as well as read the instructions.
Consumers emphasize that a machine with a clogged saw chain should not be turned on. A sign of this will be that the tool will need to be pressed when sawing. With a dull chain, sawdust does not form. Only wood dust will remain. A well-sharpened chain itself cuts into a tree and gives long sawdust.
To sharpen the cutting tooth, consumers are advised to use a round file and a template. The saw chain must be tight. With low tension, correct sharpening will not be possible. Poor lubrication of the saw unit can cause the chain to jam, often resulting in personal injury. The lubricating oil must be held on to moving parts and retain its fluidity in warm weather and in winter cold.
After reading reviews of Husqvarna 440, you can understand that consumers use oil from a manufacturer based on vegetable oil, which is biodegradable. This will increase the life of the circuit.
Making a chain sharpening machine
If you are periodically faced with the task of sawing wood in large quantities, then you will need a device for sharpening the chain. The machine can be mobile or stationary. The first is lightweight, which allows sharpening by putting the unit on the tire.
For the manufacture of the machine it will be necessary to make a base with clamps, the dimensions of which will correspond to the file. Next, the moving part is fixed, on which the working part is mounted. The last can be a beam file. The moving part in the design will allow you to adjust the height of the working surface vertically.
If you decide to make a machine for sharpening chains of chainsaws with your own hands, then it is better to supplement the design with backlight. LED lamps that are reliable in operation and energetically low-cost are perfect for this.
An electric machine can consist of a platform with a working table and an electric motor with fixation of the abrasive element. The screw system will allow you to adjust the position of the link. For greater accuracy, a graduated scale should be applied to the top of the table. To make such a device, it is necessary to carry out a bed. For this, with the help of a lathe, all components are manufactured.
An alternative solution would be to purchase a ready-made foundation, but its cost is higher than the price of a factory-made device. If you decide to make a machine for sharpening chains of chainsaws with your own hands, then you need to choose an electric motor in the calculation for operation from a 220 V network. Its optimal power is 250-600 watts. The rotation speed should be 3000-6000 rpm. The abrasive wheel must not have a thickness greater than 3.2 mm.
Finally
A 440 brand chainsaw from Huskvarna should work in conjunction with a chain lubrication system. If this unit fails, check whether the oil channel is open. If necessary, clean it. It is important to make sure that the groove of the saw blade is not clogged.
The sprocket on the toe of the web should rotate freely. The lubrication hole must not be blocked. This semi-professional saw is of average weight and affordable cost. During operation, it will not require repair, if all the rules given by the manufacturer are observed. For example, experts advise checking the lubrication whenever the tank is refueling.
The user must check the degree of wear of the drive sprocket. If necessary, it must be replaced. The chain sprocket has a needle bearing that must be lubricated regularly. This work is necessary once a week. For bearings, good quality grease should be used, which can be replaced with engine oil. Inspection of the circuit should be carried out daily. If there are no cracks in the joints, then you can begin to work. The chain should not become tight on a bend.