It is important that your chainsaw is in good working condition in order to get the best out of it when you have a job to do. If your machine does stop working you will need to check what repairs you can do without voiding the warranty. If you are unsure you can query it with a registered repair agent. Here at McCulloch we have dedicated service agents across the country that you can find here.
When diagnosing different issues with machines, you will need to understand the different components that go into making a chainsaw work. As an example, the diagram below shows the main components in a McCulloch CS 42S Chainsaw.
1.Combination tool |
2.Chain |
3.Front hand guard |
4.Muffler |
5.Front handle |
6.Starter rope |
7.Idle speed screw |
8.On/Stop switch |
9.Choke/fast idle lever |
10.Primer (air purge) bulb |
11.Fuel mix fill cap |
12.Starter housing |
13.Bar and chain oil fill cap |
14.Bumper spike |
15.Cylinder cover |
16.Throttle lock-out |
17.Rear handle |
18.Throttle trigger |
19.Clutch cover |
20.Chain catcher |
21.Guide bar |
22.Chain brake |
23.Cutters |
24.Depth gauge |
25.Drive links |
26.Chain direction of travel |
27.Guide bar retaining nuts |
28.Manual |
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With roughly 30 different components to most petrol chainsaws, make sure that you are confident with the repairs that you need to carry out. The manufacturers manual provides additional information as to what is required; however if in doubt consult a specialist so you don't void the warranty.
To make things easier here are the most common issues that you can experience with your chainsaw.