Small-sized chainsaw "Huskvarna 137" is characterized by good quality, maintainability and durability. This sturdy machine is ideal for non-professional needs.
What features this model possesses, what owners should consider when disassembling and assembling it, as well as the intricacies of adjusting the carburetor, we will describe later in the article.
About Husqvarna
The trademark of the Swedish industrial company Husqvarna has been known to consumers for more than 300 years. The company was founded in 1689 in the city of Huskvarna, initially positioned as a weapon factory.
Did you know? Canadian masters perceived the chainsaw as a sculptor's tool for wood. The chainsaw carving art was particularly popular in Hope town in British Columbia, the streets and squares of which are now all decorated with the creation of the chainsaw masters.From 1872, she tried herself as a manufacturer of sewing machines, and from 1918, lawn mowers and chainsaws began to leave the factory conveyors. Today it is the world leader in the manufacture of tools for cutting wood and stone, as well as garden equipment.
But the achievements of the most ancient European company did not exhaust themselves either. Among its latest developments is the Automower brand of robotic cordless mowers.
Technical characteristics of chainsaws
The Husqvarna 137 chainsaws are no longer produced today, since they have been replaced by a new improved 236th model. However, in everyday life almost every fifth compound still has such an apparatus. In addition, for many, he is the replaceable assistant in the household. The device turned out so perfect that even the most captious critics found it difficult to name at least one of his flaws.
Judge for yourself:
| Specifications chainsaws Husqvarna 137 | |
| Country of origin and collector | Sweden |
| Engine type | petrol |
| Type of | household |
| Fuel tank capacity | 0.41 l |
| Oil tank capacity | 0.20 L |
| Engine capacity | 36.3 cm 3 |
| Engine power | 1.64 kW |
| Dimensions: -length -width | 33 cm 38 cm |
| Weight (without chain and tire) | 4.6 kg |
| Chain pitch | 8.25 mm |
| Chain thickness | 1.3 mm |
| Number of links | 64 pieces |
| Chain speed | 16.3 m / s |
| Idling speed | 3000 per minute |
| Tire length | minimum 33 cm, maximum 38 cm |
| Maximum tire end radius | 10T |
| Noise | 98 - 108 dB |
| Warranty | 12 months |
Did you know? The world's first Dolmar gasoline chain saw was introduced by German entrepreneur Emil Lehrp. The tool was equipped with an engine capacity of 245 cm3, 8 liters capacity. with. and weighed 58 kg.
Scope of application
The manufacturer in the operational documentation modestly notes that this model of chainsaws is designed for amateur non-professional level. And users in reviews without fear call the device semi-professional and note its quality as well as durability.
The device is suitable for sawing everything except metal nails and earth. Its technical characteristics allow to expand the scope of application almost to the professional level.
The tool is used for:
- firewood;
- preparation and dismantling of construction wood;
- forming and sanitary pruning of fruit trees;
- manufacturing designer wooden parts for interior landscape design.
"Huskvarna 137" easily cuts hardwood with trunks up to 30 cm, copes with standard, diagonal, single-entry and longitudinal threads. And its compactness makes it possible to work even in hard to reach places.
Moreover, in the process of sawing fatigue is felt after a long time, due to the high center of gravity of the saw, its narrowed configuration and a flat body bottom.
Did you know? Reliable information about the first manufacturer of chainsaws today is not. This right is disputed by several modern manufacturers. The most confirmed fact is the start of production of petrol-driven hand chainsaws by Andreas Stiel in the late 1920s. At the very beginning of the 20th century, large chainsaws were made, manually set in motion. All chain saws of the time, created for felling, were large, clumsy machines that were driven by at least two people.
Saw device
If you disassemble the body of the saw "Huskvarna 137", then among its components you can find the classic elements of mechanical engineering and the latest technological developments.
The design consists of:
- cylinder with a piston engine;
- clutch;
- starter;
- front and rear starter handle;
- chain brake and its handles;
- fuel and oil tanks;
- muffler;
- tires with guide gear;
- chains that are activated using a tension screw;
- protective cover for the right hand;
- ignition switch;
- throttle and its lock lever;
- air damper regulator.
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Of all the components to the number of replacement parts are read the tire and the cutting chain. As their resource is developed, it is necessary to carry out the timely replacement of this equipment. This can be done using analog parts or other brands with the appropriate length.
The process of replacing worn parts is simple, but at home requires the use of a set of factory keys.
Important! Each step of the adjustment of the carburetor screw should be no more than 1/16 of a turn and be accompanied by another test of the work.
Carburetor
This detail ensures the formation of a combustible mixture and its dosed entry into the engine's combustion chamber. In chain chainsaws, carburetors are characterized by a distance of 31 mm between the centers of the mounting holes.
For the "Huskvarna 137", Walbro brand accessories with the WT-660 device type are ideal.
Chain
According to experts, the Husqvarna H30 chain is ideal for this model of chainsaws, which is characterized by a pitch length of 8.25 mm, a thickness of 1.3 mm and provides for 64 links. When working, it moves at a speed of 16.3 m / s.
During the operation of the chainsaw, there may be questions about sharpening the chain, chain tensioning, problems with starting up, and chain-grinding machines.
For better tool performance, the manufacturer advises sharpening the chain of specialists. But the level of its tension can be determined independently. Its adjustment is carried out using a screwdriver. To do this, turn the adjusting screw или to the right or left.
How to disassemble and assemble a chainsaw "Huskvarna 137"
Disassembly of the chain saw body is carried out in order to replace the cylinder and piston system. To do this, unscrew all the bolts and removed in alternate order.
Did you know? In the used equipment market, the cost of the base model has been kept at a high level for a long time. A tool in good technical condition can be purchased for at least 5500-6000 rubles.To properly assemble all the components, follow the algorithm below:
- Since the cylinders are supplied without thread, you will need to cut it yourself with the same bolts that will be attached to it in the future. To do this, their lower part is dipped in oil, inserted into the hole and scrolled, controlling the verticality of the bolt, until it ends on the other side of the part. Thus, it is necessary to process 13 holes: 4 - for the bottom fastening of the cover, 4 - for the saw, 3 - for the muffler, 2 - for the ignition module.
- Now it's time to install a new piston and crankshaft. To do this, press in the drive gear of the oil pump and put on new bearings on both sides. On the left will be the gland. The piston is mounted on the connecting rod in a certain position. This is indicated by the arrow placed on its upper part. After dismantling the design, it should return to its original position and point to the muffler. In our case, the left is a cone-shaped seat under the flywheel and part of the crankshaft, and on the right is the drive gear of the oil pump. So the arrow should point north.
- Next in one of the gears you can insert the retaining ring. The piston pin is inserted into the opposite one. And only after these manipulations the piston is put on the upper head of the connecting rod. Now you need to push through the piston pin and on the other hand install the retaining ring on it. At this stage, the crankshaft and piston assembly is complete.
- The following actions should be aimed at sealing the planes, the contact of the cylinder with its lower cap. For these purposes, the usual automotive sealant "Abra" or silicone "Hermes" is used. The tool is applied with a thin layer (no more than 1 mm) on the edge of the cover, after which the item must be set aside to dry for 5-7 minutes.
In the meantime, proceed to the assembly of the engine chainsaws. Pay attention: the lock of the compression ring is on the level of the pressed-in pin. It is important to avoid confusion in this moment and correctly insert the piston. This is done carefully, without unnecessary movements and efforts. The item should easily go inside.
After that, from above, fasten the greased sealant and cover it with bolts.
Be sure to check that the applied tool from all sides beyond the joint. Turn the crankshaft by hand - it should rotate easily.
- Then we proceed to mount the engine on the chainsaw crankcase, screwing it with 4 bolts from below.
- The resulting design is installed on the base of the saw, displace the holes and fasten the parts with screws.
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If, during disassembly, 2 rubber buffers fell out of the apparatus, we return them to their place.
After that, lower the crankcase and insert the gas line into its hole.
It is important to hold the channel in the tensioned position, otherwise bends may occur on it.
- Now came the turn of the decorative nozzle, which needs to be fixed with 1 screw.
- Then we assemble the oil pump in the reverse order of disassembly and fix it with 2 self-tapping screws.
- The next step is to install the clutch, washer and drum, which you first need to lightly oiled.
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After it weights are put on the construction.
- Put on the cylinder 2 pipe, and then install the carburetor adapter.
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This is done in such a way that the large oval hole goes into the black tube, and the second, small one - into the branch pipe of the impulse channel.
- We proceed to the installation of the ignition module on the cylinder and screw it up.
Do not forget to provide power under the bottom screw put the terminal.
For convenience, you can shift low-voltage wires to the carburetor compartment, so as not to hurt them in the process of further work.
- Mount the flywheel on the engine. On the landing surface there is a groove, and on the flywheel body there is a peculiar key.
Note that on modern gas powered tools, magneto is installed only in one position with the help of a spline joint. Adjustment of this mechanism is not provided.
- When turning the flywheel in a clockwise direction, the piston moves upward in the exhaust exhaust hole.
The exhaust holeAs soon as he closes this "window", load the string through the candle hole.
Rope with knots
Pull the handwheel and clutch key 17.
In the process of chainsaws, the level of magneto tightening is independently adjusted. Now the string can be removed.
- Next, adjust the gap between the ignition module and the flywheel. To this end, cranking the crankshaft, after which we bring the flywheel and the ignition magnets through each other. In the resulting space you need to enclose the probe.
His role is played by an ordinary aluminum strip of beer cans. The cut piece is doubled up so that the thickness of the material does not exceed 0.2 mm.
In this position, tighten all available screws and remove the lining.
Loosen the screws of the ignition coils, after which it will tighten to the flywheel, clamp them - the necessary clearance is set - Now we collect the muffler. To this end, we initially install its back, gasket, then the screen.
It is characteristic that all these components are attached with a single small bolt. Therefore, for convenience, acquire them with 2 large screws.
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- Put the air duct and its drum, then install the starter cover.
Wood, as a material, can be used in the construction of gazebos, pergolas, fences, paths from spilov, baths, a gable roof, a wooden greenhouse, attic.
If the components do not become in their natural position, pull the cable.
At the final stage, tighten the bolts.
- Place a gasket under the tire to the right, straightening its bent tendril if necessary.
- Next, in the carburetor compartment, we mount the ignition switch, putting one of the wires on its contact.
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- We put on the carburetor, and on top of its fitting on the adapter fasten the gas line.
- Install traction air damper.
- Mount the metal carburetor mounting rack and screw it up.
While twisting one of the lower screws, put a low-voltage wire terminal under it.
Then install the throttle rod.
- Came the turn of mounting the air filter and its body.
Note that rubber covers on the bolts are worn when the filter is removed after adjusting the carburetor.
- Now you can put a lid on the chainsaw, securing it with 3 screws.
Do not forget to screw the cross grip by placing a rubber cushion between the drain parts.
After the work done, you should have 4 self-tapping screws: short twists from the bottom, and long ones - from the side.
The exhaust hole
Rope with knots
Loosen the screws of the ignition coils, after which it will tighten to the flywheel, clamp them - the necessary clearance is set
Important! When assembling the chainsaw components, it is not necessary to lubricate the cylinder walls with fuel fluids. This process will happen without authorization as soon as you launch the tool into operation.
How to adjust the carburetor
The factory settings of the fuel unit of the Husqvarna 137 Chainsaw ensure optimum engine power and economy of the operating mode. But during operation, the tool needs to be transferred to the summer and winter periods, which requires additional adjustment of the parameters set by the manufacturer. Also, adjusting the carburetor is important when there is a decrease in thrust, or the amount of otkatochnogo fuel is not for the better.
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Many owners resort to solving this problem to the help of specialists. But you can make the necessary adjustments at home.
To do this, follow these steps:
- Warm up the engine and tighten the idle speed screw until it stops.
- Then loosen it by turning it counterclockwise 4.5 turns.
- Watch out for the chain when the engine is running. If it moves, the adjustment failed. Help in this situation can only specialists service center.
- In the case when, after adjusting the carburetor, the engine does not start or stalls immediately, check for the presence of fuel fluid in the supply tank, as well as the degree of suitability of the spark plugs and the air exchange filter.
- When the engine chainsaw stalls with increasing load, you need to check the central jet. Usually its clogging disables the device.
Video: adjustment carburetor chainsaw Huskvarna
Important! The power and uniform work during seasonal change of modes depends on the quality characteristics of the fuel fluids. It is important to apply chain oils recommended by the manufacturer, which will have a positive effect on the durability of the tool and its condition. It is strictly forbidden to use transformer, spindle oil, as well as refined products. Keep in mind that malfunctions can be a consequence of an attempt to start the unit on old gasoline, which has been in a plastic container for a long time.
Advantages and disadvantages
In reviews of the legendary Swedish chainsaw "Huskvarna 137" say different. More than 10 years ago, fierce battles of fans of this model and the popular “Calm 180” at that time were fought on the forums. Despite the fact that today such a unit can only be bought from the hands, its followers call a number of advantages of their choice.
The main advantages of Husqvarna 137 are:
- optimal ratio of dimensions, weight and power, compactness of the case;
- high quality of component parts and durability of the material used;
- affordable price;
- wide scope of use, which in many respects equates to the models of the professional class;
- modern equipment of the case, availability of operator-accessible handles, as well as main and additional control levers;
- wear-resistant coating of the crank assembly;
- satisfactory balancing;
- the economy of a high-speed engine with a significant stock of a rotating element;
- the possibility of self-adjusting carburetor;
- the presence of emergency brakes, which eliminates injuries when jumping off the chain with the gear.
Important! The cause of a malfunction or failure of the chainsaw may be damaged pipes on the cylinder.As a result of wear, they can dry out or crack.No matter how closely we study all the components of a gas powered tool, no matter how we test it in practice, there are no complaints about its design, as well as its operational features. This fact was confirmed not only by users, but also by independent experts who tested Husqvarn.
The appearance of malfunctions and failures in the operation of the unit is most likely to indicate its incorrect use and maintenance. This usually happens when a chainsaw is used for other purposes, poor-quality oils and gasoline are poured into its tanks, and also when blunders are made during operation.
Every object in the household, and even more so a tool, requires careful attitude towards oneself. If you replace the necessary components in time, clean the filters and use only high-quality fuel materials, you can be sure of the durability of your saw. We hope our article will help realize the care of the device and its assembly.
Repair chainsaw "Huskvarna 137": reviews
If the tire doesn’t burn out, oil runs out of the oil supply hole (under the "piece of iron"), then the oil pump is working and the cause is in the tire or in its loose fit to the side of the saw - then you can replace the tire or watch the flatness of this bar on the side where the studs. 180m casting defect and this plastic "strap" on the side was not even - the tire didn’t fit tightly and the oil didn’t go to the chain- I had to level it with a file
the clutch needs to be examined, perhaps the cams are simply burned and you need to gently grind their skins.
The new clutch is not very expensive, but it is worth experimenting with the old one first, I had a strip on my hammers that did not allow them to completely fit the outer “drum” and then my brother took off this strip with a hand file and the clutch works even now (I hope a lot I understood half)
P.s. The main safety technique, in any case, do not hand over the instrument for repair will break
