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Post by w30bob on Aug 5, 2022 9:46:18 GMT -5
Ok, this is a niggling little detail question.....so be warned. I picked up a nice SEZ the the other day and one of the two screws that hold the muffler cover on is a bit rusted...........so I want to replace it. Went to the IPLs and they all show the part as 64133, a slotted round head shoulder screw. But that's not what's on my SEZ. My screws are unslotted socket head cap screws......and I can't find them in any of the IPLs. You can see them in the pic below. Anyone know what PN these screws are? I've got an NOS baffled cover on the way, but the screws are a bit elusive. And I'm not sure why. And no, I have no idea how the baffle got dented from the inside out unless the saw was spittin' out rocks! thanks, bob  |
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MI Old Saw
Saw Builder
Searching for a couple Green & Red saws…XL-904, 870 & 875!
Posts: 168
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Post by MI Old Saw on Aug 5, 2022 12:40:44 GMT -5
I am thinking the Homelite equivilent screw is 80870. But, the flange on yours is wider than any Homelite screws I have seen. Looking on ebay and pics on the net, I see 99% of these mufflers iwth the slotted head screw from the IPL. I think yours might have been user replacements. Not a bad thing. They seem to have more surface area where they contact the muffler, and I always prefer the socket head screws over slotted.
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Post by blythkd on Aug 5, 2022 14:08:04 GMT -5
If I recall those mufflers and covers correctly, you need the shoulder screws shown in the IPL to tighten down correctly without trying to either collapse the cover or bend the threaded brackets inside the muffler. If you remove one of those screws, I think you'll see it's probably about a half inch from the cover down the threaded bracket that the screws are tightening into. Someone likely picked the screws that are in it now since they have a large enough flange to cover the hole, which I'm guessing is around 3/8". The slotted shoulder screws work fine. They have a large enough slot in them to allow for a "real" screwdriver. When I was trying to break rusty ones loose, I usually opted for the Homelite bar scrench.
And no, I'm not an expert but I've had a few of those muffler covers off. Usually looking for a scorched piston.
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Post by edju1958 on Aug 5, 2022 17:34:12 GMT -5
I must have worked on around 30 or so SEZs & have never seen a bolt like that in any of the several different style mufflers.I'm going out on a limb here && I'm gonna say those bolts are NOT factory or OEM.The only thing I've ever seen in those mufflers are round slotted head shoulder screws.Leon usually has some in stock.
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Post by w30bob on Aug 6, 2022 8:42:48 GMT -5
Yup.......you guys are right.....not original bolts. Should have thought of that, but didn't.....thought maybe Homelite got smart and ditched the slot heads, but nope. Pulled them out last night and the 7/32 size head was the first indication something was amiss. When I got them out they were an inch and a half long!!! So obviously not the correct bolts. Thanks for getting my head out of my arse on this one!!
;O)
bob
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Post by 5terrysupersaws on Aug 6, 2022 13:49:42 GMT -5
Homelite Hex-Head/Washer Muffler Screw: 82353 ( 10-32 x 1.5" )
Typically used with Spacer: 94100 and Shield: 94092 , on the S-EZ. IPL:24522 revision 3, page 7.
Overall GFF condition for a '74 with some creative repairs.
Screen viewing expert; 25tss
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Post by blythkd on Aug 6, 2022 20:37:29 GMT -5
Are those longer screws and spacers an export thing? I've seen a ton of Super EZ's and I've seen those parts in the IPL but I've never seen a saw with that setup on it.
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Post by w30bob on Aug 6, 2022 21:47:01 GMT -5
Homelite Hex-Head/Washer Muffler Screw: 82353 ( 10-32 x 1.5" ) Typically used with Spacer: 94100 and Shield: 94092 , on the S-EZ. IPL:24522 revision 3, page 7. Overall GFF condition for a '74 with some creative repairs. Screen viewing expert; 25tss Well go figure! So it does look like the bolts I removed are 82353's. Now I wonder if it had the spacer and shield originally and someone replaced them with the baffled cover on there now. Why else would he use those screws?? Hmmm. ;O) |
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Post by blythkd on Aug 6, 2022 23:43:57 GMT -5
I think it's a vintage thing. How old is your saw? Looks like you have an older muffler cap and maybe the screws for a later muffler cap option.
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Post by w30bob on Aug 7, 2022 7:37:43 GMT -5
Hi bly, Not sure how old it is........I'll have to pull the SN and check. It has the red and white starter cover.....but I don't know when those were made. Will check later. I still want to know how the previous owner put dents in the muffler baffle that dent outward and not inward. Quite the mystery. ;O) bob Ok...just checked......SN is 48900172...now to go find the decoder ring........  |
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Post by w30bob on Aug 7, 2022 7:49:54 GMT -5
Ok.....found the decoder ring....it's an 8 digit SN.....so first digit is year...in this case it's a "4"...so 1974? Next three digits are 290, which is the day of the year. And the last 4 digits are "0172", so this was the 172th saw made on that 290th day of 1974. Did I get that right?
;O)
thanks,
bob
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Post by edju1958 on Aug 7, 2022 9:08:51 GMT -5
I believe you did Bob.When you said it had the red & white starter cover I knew it was early '70's.
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Post by 5terrysupersaws on Aug 7, 2022 16:11:45 GMT -5
After photo review of SUPER EZ AOW saws with the Muffler Temperature Kits( IPL:24522 revision 2 - fig. 5 ) installed, the possibility of those screws being '82353' is near zero.  |
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Post by blythkd on Aug 7, 2022 18:50:51 GMT -5
Your muffler cap looks period correct to me for the red/white saw. Seems like that's usually what I've seen on those. The next gen typically didn't have that extra shroud on the outside of the cap. Then the next gen after that had the big square 2 piece cap/shield with spacers and 3 long screws that went all the way through the muffler and into the cylinder.
That red/white one should be pretty solid if the bore is clean. That style and the next gen were the best ones, imo.
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Post by tangobravo on Oct 21, 2022 23:30:55 GMT -5
Hi bly, Not sure how old it is........I'll have to pull the SN and check. It has the red and white starter cover.....but I don't know when those were made. Will check later. I still want to know how the previous owner put dents in the muffler baffle that dent outward and not inward. Quite the mystery. Bob- These shielded mufflers were often bashed in and flattened to the underlying perforated plate beneath the shield. An expedient repair using a screwdriver is used to lift it back up. I think you can see where the screwdriver dented the lower part of the housing on that top position. The dents outward are from the screwdriver tip. |
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