Why is the chainsaw pulled to the side during work?
How To Repair A Chainsaw That Cuts Crooked – Video
There can be two main reasons for the chainsaw being pulled to the side while cutting. The first major complex cause is wear on parts such as the saw chain and / or tool bar. The sideways movement can begin even if only one saw tooth has been damaged. Most often, this happens when, during operation, the chain hits a nail or something similar, and the tooth is deformed. In addition, in such a situation, the thrust begins to fall, which means that the master inevitably begins to press harder on the saw during work. This, in turn, leads to the development of the second problem. accelerated tire wear.
The second common cause of the described problem is much simpler and more insidious. The point is that the saw chain was not properly tensioned from the very beginning. A chain that is too tight will overheat the bar very quickly and accelerate wear. Also, in this case, the load on the tool bearings increases very much.
How to solve the problem if the chainsaw is constantly being pulled to the side
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What to do
The first and most important thing to do to ensure that the saw does not tilt to the side during operation is to properly and regularly maintain it. First of all, sharpen the chain. Also, before starting work, you should check the correct tension of the chain and the condition of the tire, correct it if the sides are deformed.
To fix the problem, you should first put the tire on a flat table and attach a square to it. This will help determine the degree of deformation. After that, with the help of a vice and a grinder, the tire rises to the level of the disc. With the help of the square, the final position is set and the tire is clamped with replenishment. Then it remains to process the tire several times on each side.
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Jigsaw guide rail
The jigsaw guide is an elementary device at first glance, similar to a large metal ruler or rule. The main difference between the tire and the above devices is a special groove, along which the sole with a jigsaw installed on it moves, like on rails. Most of the guides have rubberized strips that prevent sliding on the surface of the material, and as additional fixation, they are attached with small clamps. The average length of such devices is from 1.5 to 3 meters, and can be increased by another, similar ruler, using an adapter.
Why the jigsaw saws crooked
There can be several reasons why the saw blade leaves the pre-marked line. The operator may lack experience with the tool, the file may be defective, and the jigsaw stem and guide roller may seriously play. In order not to guess on the coffee grounds, it is worth starting to screen out the factors that determine the accuracy and evenness of the cutting line in your, individual case.
This is one of the reasons why the jigsaw will pull to the side. What to do with this? The answer is obvious. Apply the minimum pressure just enough to guide the tool in line and set the maximum RPM (when working with wood). The pendulum mode usually does not affect the evenness of the cut, if its design is in good order.
The build quality and wear of the tool parts can be a good reason for the formation of beveled lines when cutting. There are basically no complaints about devices from the budget segment (up to 2500 rubles), as well as hopes for their conscientious assembly. It’s another matter when such tricks begin to perform original, branded instruments. Often, the cause of the crooked cut is the guide roller, jigsaw rod or its sole.
You can check the reliability of the fixation of the element by simply jerking it with your hand. Looseness of the rod or roller by more than 1 mm determines that this device is not capable of producing a perfectly straight cut. The greater the backlash of the parts, the less accurate the cutting line they form. This problem should be corrected based on the circumstances. If the part itself is worn out, it can be replaced with a similar one. It is difficult to fix a breakdown if the attachment to the mechanism is worn out. Not every modern Kulibin undertakes such repairs, and usually this problem is solved by buying a new tool.
The products of many proven brands, unfortunately, are often counterfeited, and jigsaw files are very popular in this regard. It so happened that low-quality and counterfeit products have a rather short service life, which brings many problems to the owner. One of these problems is the cutting curve. An initially flat blade can bend due to low-quality metal, which can deform the tooth gap, if it was present at all. In this regard, if your jigsaw cuts crookedly, replacing the saw blade can correct the situation. The process of choosing a high-quality jigsaw file was described in detail by us in a separate topic.
Why the jigsaw cuts crooked and how to fix it
In most cases, the process of straight and figured cutting of materials requires the utmost precision of the tool. This statement is most true for an electric jigsaw. The thin saw blades used in this device can easily change the cutting angle, which can negatively affect line accuracy. The clarity of the edges of the product and the evenness of the cutting line depend on the skills of the operator, the serviceability of the device and the file. Next, we will tell you how to get the planned contour with perfectly clear edges and what to do if the jigsaw goes to the side.
DIY jigsaw guide
If the jigsaw cuts crookedly, and it is not advisable to buy an expensive guide, you can completely do with improvised means. Any flat edge with a thickness of 5 mm or more can become an improvised emphasis: a straight rail, as a rule, a piece of plywood and other straight surfaces of suitable dimensions. A pair of conventional clamps can be used as fixators of the guide to the material. If the surface condition of the opposite part of the material to be cut is not very important, the guide can be screwed onto a pair of self-tapping screws.
To keep the line as neat and even as possible, use the optimal file for the material being cut. visual processes of making and using a homemade guide are demonstrated in the following videos.
How to avoid improper sharpening
In order to prevent a curve cutting due to uneven sharpening, you can use a special sharpening machine to straighten the chain from time to time or in case of severe damage. Buy a machine and sharpen it yourself or send it to a workshop for sharpening.
The fact is that during sharpening, the machine is adjusted according to the most worn tooth, which has the smallest size among all. After sharpening, all teeth will have the same size, which will be equal to the tooth on which the adjustment was made.
The disadvantage of this method is that the resource of the chain is significantly reduced, since even undamaged teeth have to be heavily grinded. Try to use your chainsaw more carefully, watch out for nails and any other metal products that may come across when cutting old boards and other junk.
Using the wrong chain
It’s no secret that a chainsaw tire, like a chain, has several main characteristics, one of them is the width of the groove for installing the chain. The groove width can have several basic dimensions:
Imagine that we take a chain with a width of 1.1 and place it on a bar with a 1.3 mm groove. Initially, having tightened it well, we may not notice the differences, but as soon as the tension loosens a little, a gap of 0.2 mm will prevent it from moving evenly along the tire, it will tilt to one side and we will again get crooked sawn material.
When buying a replacement chain for a chainsaw, name its exact dimensions, not the make and model of the chainsaw. On the same models of chainsaws, different tires can be installed and, accordingly, the chains will also differ.
Check the width of the chain, you can use a vernier caliper.
To eliminate the malfunction, if the chainsaw tire has not yet suffered much and there is no uneven wear on it, only the chain will need to be replaced. If it already shows wear, a completely new kit must be installed.
Why does the chainsaw cut crooked
When working with a chainsaw, in some cases you may notice how, when cutting a tree trunk with a diameter of more than 30 cm, the tire gradually starts to go sideways. This is especially noticeable when it is necessary to cut large diameter trunks using the double-cut technique, that is, first sawing from above, and then turning over and finishing to the end.
Lumps, crookedly sawn off with a chainsaw, have an uneven surface, this causes some discomfort when they are split into logs. And the use of such a chainsaw when laying a log house, for example, for trimming bars, is not at all permissible, since the ends will be uneven.
Why the chainsaw is being pulled aside
Discomfort during work, a decrease in productivity, an increase in fuel consumption, a curve cut, these are all negative consequences of this phenomenon, and what is the reason?
There are actually only three reasons:
- Uneven sharpening of teeth;
- Using a circuit that does not meet the bus parameters or vice versa;
- Increased wear of the chainsaw saw headset.
Why is the chainsaw pulled to the side during work
There can be two main reasons for the chainsaw being pulled to the side during sawing. The first major complex cause is wear on parts such as the saw chain and / or tool bar. The sideways movement can begin even if only one saw tooth has been damaged. Most often, this happens when, during operation, the chain hits a nail or something similar, and the tooth is deformed. In addition, in such a situation, the thrust begins to fall, which means that the master inevitably begins to press harder on the saw during work. This, in turn, leads to the development of the second problem. accelerated tire wear.
The second common cause of the described problem is much simpler and more insidious. The point is that the saw chain was not properly tensioned from the very beginning. A chain that is too tight will overheat the bar very quickly and accelerate wear. Also, in this case, the load on the tool bearings increases very much.
The main reasons why the chainsaw is misdirected
If the chainsaw starts to cut crookedly during operation, then besides an uneven cut, we get a number of the following negative consequences:
Chainsaw Tips & Tricks – Why Won’t It Cut Straight?
- It is necessary for the sawyer to exert physical effort to keep the tool in a straight direction.
- Fuel consumption increases, which is associated with an increase in the trajectory of the tool passing through the material being cut
- Increased load on the drive sprocket, which leads to accelerated wear
- The tire wears out as the load only increases on one side
- Decreases tool performance
- Obtaining a cut curve. If the forest is being prepared for the manufacture of boards, then crooked trunks are equated to scrap. If the tree is cut for firewood, then as a result, the curved-sawn log will not be very convenient to chop
- Discomfort during work. the master gets tired quickly, working with a faulty tool
Why can a chainsaw cut trees crookedly? Many people might think that the reason is a malfunctioning chainsaw tire, but in fact, there are four main reasons:
- Incorrect or uneven sharpening of the teeth
- Using a chain, bar or sprocket that does not match in pitch
- Saw head wear. this is often due to abrasion on one side of the bar
- Untimely tightened chain
If such a malfunction occurs, such as uneven cutting of wood, then it is necessary to resort to its elimination as soon as possible. If you continue to operate the tool with such a malfunction, this will lead to engine wear and the need to repair it.
Let’s consider each type of malfunction separately, and find out how to determine what is the reason why the chainsaw is sawing on its side.
If the saw head is incorrectly selected
Often, most sawers simply do not pay attention to the fact that not only the chain has technical characteristics, but also the tire and the drive sprocket with a crown. All these details must correspond to each other in such a technical parameter as a step. Most chainsaws are equipped with a headset with standard pitch parameters equal to 0.325. The tire, chain and drive sprocket, or rather the crown, must have the same pitch. If one of these parts does not meet one standard, then this will lead to accelerated wear of individual parts and the entire tool.
The tire also has such a parameter as the groove width. The value of this value can vary from 1.1 to 1.6 mm, depending on the power of the tool. It is categorically contraindicated to install a tire with a groove width of more than 1.3 mm on a household chainsaw. A standard chain in such a tire will have too much play, which will lead to accelerated wear of both parts.
Never buy an instrument headset if you don’t know or remember the exact measurements. A “like this” chain, bar or sprocket may be far from suitable for your tool, and eventually all consumables will need to be replaced. To find out the width of the tire, you will need to use a caliper or look in the technical description for the tool.
We adjust the maximum number of revolutions
As mentioned earlier, the maximum RPM is set with the H screw, the RPM increases when it is turned clockwise, decreases when it is turned counterclockwise.
The highest speed of rotation of engines of gasoline chainsaws is in the range of 11,500. 15,000 rpm, depending on the model. Higher speeds are dangerous for the engine and will prevent it from starting. Maximum rpm can be determined by misfiring. If any, turn the screw H counterclockwise.
Adjust the idle speed
Now, by unscrewing the idle screw (T, LA, S) counterclockwise, set the minimum number of revolutions at which the engine is stable. The chain must not move. If the engine stops idling, turn the idle screw clockwise accordingly. If the chain moves, turn the screw counterclockwise.
CHAINSAW HACK! fixing a saw that cuts crooked!
For the final tuning of the chain saw carburetor, we check the engine for acceleration and maximum rpm.
Why does not the saw cut
Why does not the saw cut
How to eliminate the defect of uneven sharpening
- Buy tool-grinding machine. If you have to work with the saw often, purchasing a machine is a smart investment. The equipment will increase the life of the chainsaw. The machine is adjusted according to the most worn-out element. Automatically selects the shortest tooth, sharpens according to its size. As a result, all saw teeth will be sharp and the same.
- Take the saw to the workshop. Here, the process will be similar, the master will sharpen the tool on the shortest tooth.
The process of grinding teeth on the shortest element reduces the service life of the equipment.
To increase the life of the saw, during work, they monitor the presence of nails, metal staples. Hardware is often found in old boards, and they lead to rapid grinding of the saw teeth.
Malfunction of the chain lubrication system in the chainsaw
Final carburetor setting
First, warm up the engine for 5-10 minutes (not at high speeds).
How to avoid premature breakdowns? Chainsaw Maintenance Tips
Your main assistant should be the instruction manual. If you have lost it, you can contact the dealer of the company whose chainsaw you are using, you will be provided with instructions in electronic form.
So, before each turning on the gasoline chain saw, be sure to make sure that the chain is in good working order, whether its teeth are sharpened, whether it is well tensioned (it does not sag, but also not too tight, it can be pulled a little from the blade).
You can sharpen the chain using a special machine or a file with a special template (depending on which tooth pitch of the chain, there are different templates).
Every time after use, the chainsaw must be cleaned: the chain, tire, air filter, housing, cooling fins, slots and other grooves are cleaned of sawdust. After using the saw, turn the tire over so that it wears out evenly, lubricate the sprocket (if there are lubrication grooves in the front of the saw).
When storing for a long time, be sure to drain fuel and oil! The chain and the bar form an electrochemical pair, so they rust together, they need to be stored separately.
Read the article Proper use of a chainsaw
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