Purpose of Champion 137
The chainsaw is intended for household use only. It can be used in the country house, used for trimming branches or preparing firewood for the barbecue. The Champion 137 is suitable for outdoor enthusiasts as it is the lightest saw in the Champion line of household chainsaws.
The manufacturer's recommendations for the use of this chainsaw are rarely followed in our country, and therefore the Champion 137 can be found at sawmills where it is used to cut slabs. Private offices that collect and sell firewood to the public also often use this chainsaw.
The 137th model is popular because it has a low cost. Another advantage is the cost of repairs and a large number of spare parts. Specialized stores have a large selection of both original and made-to-measure handicraft spare parts.
Design Features
Champion 137 does not have any design features; everything is done as simply and cheaply as possible. The engine is ordinary - two-stroke, diaphragm carburetor, starter without additional springs, but this does not mean that the chainsaw is bad. It’s pleasant to hold in your hands and it starts up no worse than Husqvarna’s household model, for example, the 236th.
There are still minor improvements, such as an additional fuel pump, which is designed to make starting easier after a long period of inactivity, as well as a chain tension regulator mounted on the side cover, which is quite convenient.
In the latest versions of the Champion 137, the manufacturer added a hatch in the top cover, through which you can access the air filter and spark plug without the use of additional tools. Comfortable? Of course it’s convenient, because previously, every time you needed to check the cleanliness of the air filter, you had to unscrew the 4 screws securing the top cover and remove it completely.
The saw controls are made as simple as possible; there are no combination levers or anything else. A separate choke control lever, which is mounted on the body to the right of the rear handle. Reliable and inexpensive push-button ignition switch.
At first glance at the saw, it becomes clear that this is a budget option without any bells and whistles. Below you can watch a video test of the Champion 137 saw.
Disassembling the tool
We have already figured out how a chainsaw works. Adjusting the carburetor requires almost complete disassembly of the tool. Since in all models the carburetor is located in the same place, the disassembly process is similar for all.
The first step is to unscrew the top plastic cover, which is held on by three bolts. Then we remove the foam rubber, which is an integral part of the air filter. At the next stage, the fuel line hose and drive rod are removed. All that remains is to remove the cable end. After the fuel hose is removed, you can dismantle the carburetor and begin adjusting it. If you need to disassemble, put all the structural elements in one place, as many spare parts are small and can easily get lost.
Equipment
The kit in which the chainsaw is delivered to store shelves is minimal and includes only a few things:
- user manual;
- warranty card;
- saw set (bar and chain);
- combination spark plug wrench;
- a screwdriver for adjusting the carburetor (not always);
- tire protective cover;
- canister for preparing the fuel mixture.
According to the manufacturer's information indicated on the official website, the configurations of Champion 137 that are available from sellers may differ from the official configuration.
User manual
All operating instructions for chainsaws can be viewed on the company’s official website. Models of the same series differ slightly in terms of use; as a rule, this parameter is standard for all chainsaws. At the same time, the manufacturer may make some changes to the manual. That is why, before and during the purchase of Champion products, it is necessary to review the characteristics and operating instructions.
All chainsaws of this brand have standard instructions regarding safety precautions and rules of use in their instructions. In addition, on the last pages of the manual, the manufacturer places a table indicating the frequency and rules of maintenance. In some models these tables are the same.
Basic operating rules:
It is necessary to start performing work with a chainsaw only after reading the instructions and undergoing training (for beginners) with a sales consultant. Particular attention should be paid to assembling and setting up the saw. All actions should be performed based on the recommendations in the instructions
Before use, it is recommended to make sure that all parts are well secured and the saw is functioning without failure.
Handle the tool carefully. Do not place the saw on the ground with the engine running.
When leaving the equipment for a long time, it is necessary to drain the fuel fluid and oil. When choosing oil, you should pay attention to the manufacturer's recommendations. As a rule, this is oil from the manufacturer Champion for two-stroke engines and gasoline AI 95 or 92. If the saw is used rarely, the optimal frequency of changing the fuel fluid is once every 3-4 weeks. Prolonged operation can lead to overheating or failure of the engine and components.
Every 30-40, and sometimes 50 minutes of operation (depending on the model), it is recommended to pause operation and allow the engine to cool. In more powerful models, this time is combined with refueling. Particular attention should be paid to your own safety. Thick and durable clothing, gloves, ear protection and goggles will help avoid possible injury.
- Timely maintenance will extend the life of the Champion chainsaw.
- The chainsaw should be stored and transported in accordance with the manufacturer's recommendations. Store in a dry place and transport with drained fuel and oil in a protective case.
Carburetor adjustment
If after purchase the saw does not work well, often stalls or does not start at all, the cause may be an incorrectly adjusted carburetor. The manufacturer does not recommend performing this task on your own. At the same time, if you follow the instructions of specialists, you can adjust the carburetor yourself. A video of how to complete this task is provided below.
First start
The first start of a chainsaw is usually carried out at idle and begins with a break-in. To run-in the engine, the fuel mixture is diluted in a ratio of 1:25 (oil:fuel). Next, you need to fill the reservoir of the automatic chain lubrication system and adjust the oil supply intensity. If this is not done, the oil will leak out and deteriorate the quality of sawing or will not reach the chain at all.
After completing all the steps for assembling, setting up and refueling, the saw must first be started at low speeds and gradually increase the power. It is recommended to work the next 7-9 tanks in a gentle mode, at medium power. The fuel mixture ratio during this period is 1:50.
As a rule, the Champion package includes a container for mixing fuel and oil, which will simplify the task.
As for chain tension, many models have a special function. At the same time, the manufacturer indicates in the manual how to perform this action yourself.
DIY repair
You can repair the Champion 137 either at a service center or yourself. Typical malfunctions of this model are as follows:
- lack of spark;
- stopping the fuel supply;
- carburetor malfunctions (clogs, defects in the injector valve, defects in the main chamber membranes and fuel pump);
- air leakage into the crankcase through the gasket or seals;
- carburetor depressurization.
If you have some experience, you can diagnose and fix faults yourself.
If for some reason the chainsaw does not hold or picks up speed at idle, this is the first sign of air leaking into the crankcase or carburetor. It is impossible to operate a saw with such a malfunction, since overheating and jamming of the engine will follow.
How to disassemble champion 137
In order to disassemble Champion 137 yourself you need to know only two basic rules:
- The flywheel and clutch are unscrewed as the chainsaw moves.
- In order to block the crankshaft from turning, you need to use a special corkscrew or cord with knots tied to it, which is installed through the spark plug hole and blocks the piston stroke.
The chainsaw parts are removed in the following order;
- top cover;
- starter and chain brake cover;
- flywheel and clutch;
- carburetor and muffler;
- engine.
When assembling, the reverse sequence must be observed.
The Champion 137 chainsaw housing must be installed with red sealant; the sealant cannot be used anywhere else.
If, when disassembling the Champion 137 chainsaw, the carburetor gaskets and spacers were damaged, then they must be replaced during reassembly, otherwise the saw will suck in air and all repairs will be in vain.
In order to check the crankshaft seals for air leaks in the absence of a special tool, you can use the following method.
Remove the flywheel, clutch and carburetor from the chainsaw, then use a syringe to pour kerosene into the engine crankcase (if there is no kerosene, then you can use the fuel mixture), while visually checking the seals for leaks. If there are leaks, then the seals are defective and need to be replaced.
Adjusting the carburetor of the Champion 137 chainsaw
Adjustment can correct the situation only when there is no air leak in the saw and the fuel system is clogged, and the chainsaw continues to gain speed at idle or does not develop speed and full power.
The Champion 137 carburetor is a diaphragm carburetor and has three standard adjustment screws (H), (T) and (L). Correct setup is carried out according to the following algorithm:
- with the engine turned off, all screws except (T) are set to a position of 1.5-2 turns from the fully tightened state;
- start the saw and let it warm up for several minutes;
- by tightening the screw (L), find the maximum number of revolutions at idle, then loosen the screw by ¼ turn;
- screw (T) is used to adjust the idle speed to 3000; if the adjustment is made without a tachometer, then the screw (T) is unscrewed until the chain on the saw stops spinning;
- by tightening the screw (H), set 12,500 rpm; if there is no tachometer, then by ear the maximum rpm is found with the throttle fully open, after which the screw is unscrewed by one quarter of a turn.
A properly adjusted carburetor ensures stable engine idling and makes it responsive.
Specifications
The Champion 137 does not boast excessive power or cutting speed. Compared to leading chainsaws in the household segment, its characteristics are average.
Engine power is 1.55 kW, maximum speed is 12500, these are not bad indicators, but still some household models produce a little more.
READ How to Check a Chainsaw Coil
The volume of the oil tank is 0.21 liters, the fuel tank is 0.31. Saw chain with 3/8" pitch, 1.3mm seat width and 56 links long. Saw weight 4.5 kg.
Basic setup principles
Before attempting to tune a carburetor , consider the basic principles of correcting its operation.
- It is easy to distinguish the screws thanks to the markings. Adjust a particular screw when you are confident that you have previously correctly identified the cause of the problematic operation of the device.
- Different screws need to be rotated for different operating modes of the device.
- Proceed to operate the unit only when you are sure that the carburetor screws are adjusted correctly.
- Check the optimal speed values indicated in the instructions for your Champion .
Owner reviews
Alexander. 45 years. Beloyarsk.
For more than a year and a half I have been the owner of a Champion 137. I really like the saw, although I rarely use it, only when I need to prepare firewood for the barbecue and bathhouse. In all the time that I have owned this saw, it has failed only once. As it turned out later, I myself violated the launch algorithm and filled the candle. After reading the instructions, I found out how to ventilate the engine after an unsuccessful start-up attempt and started the saw myself, although it smoked heavily for some time, but then the exhaust returned to normal. I'm happy with the saw and recommend it.
Ivan. 56 years old. Kursk
I bought a Champion 137 after my Shtil 180 broke down, and the cost of repairs turned out to be equivalent to buying a Champion 137. Now I regret it a little. As soon as you take the Champion in your hands, you immediately feel the difference with the Calm. The saw starts worse when hot and cuts worse, but I reassure myself that I paid for it almost half as much as the new Shtil 180 costs. Most likely, this saw will suit those who have not previously dealt with chainsaws.
