I know i am quite a few years too late by I think i found the answer, and a good ol’ fashioned cleanup and smack won’t do the trick 100% of the time.
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I know i am quite a few years too late but I think i found the answer, and a good ol’ fashioned cleanup and smack won’t do the trick 100% of the time.
I recently refurbished my old SP3 due to cracked screen and noisy fan when tilted. I had to open everything including replacing thermal paste.
Upon investigation, 2 major causes aside from dust accumulation.
# The fan’s Axle and Hub lost its lubrication! There’s a tiny gap between the axle and the brass hub and when you introduce a movement that would oscillate the fan to its axle, it rubs and creates a weird noise. It does not sound scraping against the wall because the axle is rubbing the hub without any lubrication.
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[image|1950591]
Solution: Add a lithium grease or RC car grease to the hub and axle. Not too much. Just enough to cover the whole mechanism. I wouldn’t recommend WD-40 as it is too thin.
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# If the sound seems like it is scraping something, it could be because of the corrosion of metals around the fan blades. The aluminum surface directly in front of the fan is corroding and creating small spots that is raised and the fan hub is scraping it. The fan case is metal too so a small rust will scrape to the fan blades. Better try to scrape those with the blunt edge of your pry tool.
[image|1950590]
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Solution: Scrape using your hardest plastic or mild scraping of the blunt edge of your metal pry tool.
I know i am quite a few years too late by I think i found the answer, and a good ol’ fashioned cleanup and snack won’t do the trick 100% of the time.
+
I know i am quite a few years too late by I think i found the answer, and a good ol’ fashioned cleanup and smack won’t do the trick 100% of the time.
-
I recently refurbishing my old SP3 due to cracked screen and noisy fan when tilted. I had to open everything including replacing thermal paste.
+
I recently refurbished my old SP3 due to cracked screen and noisy fan when tilted. I had to open everything including replacing thermal paste.
Upon investigation, 2 major causes aside from dust accumulation.
# The fan’s Axle and Hub lost its lubrication! There’s a tiny gap between the axle and the brass hub and when you introduce a movement that would oscillate the fan to its axle, it rubs and creates a weird noise. It does not sound scraping against the wall because the axle is rubbing the hub without any lubrication.
+
[image|1950591]
-
# If the sound seems like it is scraping something,it could be because of the corrosion of metals around the fan blades. The aluminum surface directly in front of the fan is corroding and creating small spots that is raised and the fan hub is scraping it. The fan case is metal too so a small rust will scrape to the fan blades. Better try to scrape those with the blunt edge of your pry tool.
+
Solution: Add a lithium grease or RC car grease to the hub and axle. Not too much. Just enough to cover the whole mechanism. I wouldn’t recommend WD-40 as it is too thin.
+
+
+
# If the sound seems like it is scraping something, it could be because of the corrosion of metals around the fan blades. The aluminum surface directly in front of the fan is corroding and creating small spots that is raised and the fan hub is scraping it. The fan case is metal too so a small rust will scrape to the fan blades. Better try to scrape those with the blunt edge of your pry tool.
[image|1950590]
+
+
+
+
Solution: Scrape using your hardest plastic or mild scraping of the blunt edge of your metal pry tool.
Hi Guys,
I know i am quite a few years too late by I think i found the answer, and a good ol’ fashioned cleanup and snack won’t do the trick 100% of the time.
I recently refurbishing my old SP3 due to cracked screen and noisy fan when tilted. I had to open everything including replacing thermal paste.
Upon investigation, 2 major causes aside from dust accumulation.
# The fan’s Axle and Hub lost its lubrication! There’s a tiny gap between the axle and the brass hub and when you introduce a movement that would oscillate the fan to its axle, it rubs and creates a weird noise. It does not sound scraping against the wall because the axle is rubbing the hub without any lubrication.
[image|1950591]
# If the sound seems like it is scraping something,it could be because of the corrosion of metals around the fan blades. The aluminum surface directly in front of the fan is corroding and creating small spots that is raised and the fan hub is scraping it. The fan case is metal too so a small rust will scrape to the fan blades. Better try to scrape those with the blunt edge of your pry tool.
[image|1950590]