Discussion for the Makita DCS520 52cc Chainsaw
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Question: Chain Oiler
stopped oiling the chain,reservoir still full,area is clean,no sawdust,etc. can it be the pump? saw's very reliable ,15 years.
Reply: Chain Oiler
im not sure but i think you have a plastic worm drive that runs the pump
when these are stored in a cold place the oil thickens up and gets sticky
and the pump seizes in place all you have to do is replace the worm drive and free the pump up :cool:
You didn't specify where the oil was coming from so I will give a couple of suggestions.
If the oil is leaking from beneath the chain brake cover then the oilier hole on your bar is likely plugged. There is a small hole in the side of the bar that allows the oil to flow into the groove in the bar. If the oilier hole is plugged with sawdust or dirt the oil will run down the side of the bar and out of the saw.
There is a gasket that seals the oil reservoir. It is item #B14 on the parts diagrams. This gasket could be damaged allowing the oil to escape the reservoir. The gasket is part #965525002 and is available from http://ereplacementparts.com.
I think these would be the most likely causes of your oil leak.
Good luck with your repair!
Question: Makita Chainsaw DCS520
Hello Folks; While operating my chainsaw it stopped suddeny and I discovered the pull rope had caught in the cable drum. When I tried to remove the rest of the rope I discovered the cable drum will not move. Anyone know if this means the recoil spring is broken or is it something else. Thanks in advance.
Reply: Makita Chainsaw DCS520
just pull the drum off and check the spring. usually the spring will not cause the drum to lock up.could be debris between the two.