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Your question is "can the oil leak be fixed and what is causing in"?
First, here a service manual for your saw
Service manual Download
First, the "can it be repaired". question..
Is it worth being fixed? Likely not.
To be able to get to the Oiler system the saw must be "Decased". which takes a very long time for an expert.
Also, since the bankruptsy, most of the older mcculluch parts are extremely difficult to locate
The new saws are mosty chinese imports (and junk).
AUTOMATIC CHAIN OILER. Theautomatic chain oil pump is shown inFig. MC132. Remove the fan housing,fljrwheel and air shroud for access tothe oil pump. A plunger gear repair kitis available for the pump. Oil pump outputis not adjustable.
AUTOMATIC CHAIN OILER.
Theautomatic chain oil pump is shown inFig. MC132. Remove the fan housing,fljrwheel and air shroud for access tothe oil pump. A plunger gear repair kitis available for the pump. Oil pump outputis not adjustable.
automatic chain oil pump is shown in
Fig. MC132. Remove the fan housing,
fljrwheel and air shroud for access to
the oil pump. A plunger gear repair kit
is available for the pump. Oil pump output
is not adjustable.
Any one of the following parts can be the culprit
20. "0" ring21. Washer22. Spring23. Oil pump plunger24. Plug
20. "0" ring
23. Oil pump plunger
26. Oil hose
14, Seal15. Oil pump housing
15. Oil pump housing
If the O ring is worn, the washer misplaced, the oil pump plunger cracked, the plug loose or cracked,
or if the oil hose is split or the oil seal or pump housing is cracked there will be a leak
Stupid thing is,
You can not tell until you actualy take it apart and LOOK at it....
You can try to fix it if you want
Usually when we get one of these in with your problem it goes into the file 13
But, if the saw is yours, and you will get some emotional satisfaction from repairing it and can call the 2 or 3 hours of work "Hobby time" then by all means, continue.. But understand,
once you get into it, you may run into a roadblock such as no part available
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