Author Topic: Husqvarna 268XP 268  (Read 28167 times)

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Offline Cut4fun .

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Re: Husqvarna 268 272 questions
« Reply #150 on: February 14, 2016, 03:41:04 pm »
I used your idea just the other with a small change.   I used a piece of brass tubing that I pushed through like you did and then attached the fuel line to both sides of the brass tubing.   You can get the brass tubing at any hobby shop and it comes in all different sizes.   The brass tubing has no give and will not compress when pushed through a grommet and with fuel line on both ends it stays in place.

Nice.   8)


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Husqvarna 268XP
« Reply #151 on: October 11, 2016, 04:32:38 pm »
Husqvarna 268 xp in today. After getting it started and running and cutting to get it hot it is acting like the crank seal on pto side is leaking to me.

Info on seal replacement on these as I havent did one yet.   I'll start digging too. Thanks

Saving info as I go.

 clutch side crank seal goes in the oil pump body not the case. The oil pumb body is o-ringed to the case. this is another good place for an air leak to occur

 o-ring on the back of the oil pump leak air as often as I see the actual crank seals leak.


Is this the o-ring they are talking about? seals and o-rings




Offline Cut4fun .

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Re: Husqvarna 268 272 questions
« Reply #152 on: October 11, 2016, 07:59:53 pm »
husqvarna 268 IPL http://www.declicmotoculture.com/fs/Root/boq9i-268.pdf

seal 503 26 02-04  503260204

o ring 740 42 21-00  740422100

saving info

the crank seal is mounted in the oil pump housing...remove the oil pump housing being careful to note the tiny o-ring that seals pump body the oil passage going to the bar.....also note how deep the crank seal is mounted in the housing. It may be easier to remove the oil pump gear and shaft again noting the order of the parts. Tap the old out and the new in to the same depth as the old using an appropriate deep socket.....make sure it goes in square to the bore and be very careful not to scar the sides of the bore where the seal set against. Now you will notice that the oil pump housing is also o-ringed to the case.....this must be replaced at this time as well .....this is a special sized o-ring and should be picked up from a Husky dealer part # 740 42 21 00. Use a dab of grease on the seal lips to help it to slide over the crank end.

 flywheel side...there two ways this can be depending on the year.....the early (two piece ign) has a seal carrier held in place by three screws...remove the screws and carrier...same as clutch side..tap in tap out, setting the seal to the original depth. This carrier is also o-ringed to the case with the same o-ring as the clutch side so you will need two of these. The late version (one piece ign) does away with the carrier and the o-ring....the seal is right in the case....remove the seal by using a seal puller or a thin screwdriver to lever the seal out...again be very careful of the side of the case bore...do not scratch it.....tap the new seal into place squarely with a deep socket......install to the original depth.
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Offline Cut4fun .

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Re: Husqvarna 268 272 questions
« Reply #153 on: October 11, 2016, 09:03:18 pm »
Anyone try the aftermarket seals and o rings on this series of saws? Northwood Saw has them for half cost of oem. So wondering.

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Re: Husqvarna 268 272 questions
« Reply #154 on: October 12, 2016, 02:22:32 pm »
Any info @weimedog

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Re: Husqvarna 268 272 questions
« Reply #155 on: October 12, 2016, 02:46:10 pm »
On Jacks small engine website I can get OEM for cheaper then the aftermarket. Shipping is $2 more but no biggie

Husqvarna    503260204    Sealing Ring    $2.99    
Husqvarna    740422100    O-Ring    $1.99    
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Re: Husqvarna 268 272 questions
« Reply #156 on: October 13, 2016, 06:31:41 pm »
Found a leak at base gasket. Went and did a gasket delete with threebond 1194. 

Tested again and seems to me to be flywheel side seal.  Lay on flywheel side after hot and she just takes off at higher rpm spinning the chain.

sob flywheel was on there goooood.   :-X :-X
Seal was a sob too  :-X :D. Can see chipping inside the crankcase on seal area from lip areah to about a 1/3 to 1/2 down.  Told owner what I saw and will see if I can seat the seal little deeper to seal up.  Might be iffy IMO.

Had pto side down to the seal with oil pump still on.  Put it all back when tested so hope pto side goes easier when parts come in.


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Re: Husqvarna 268 272 questions
« Reply #157 on: October 13, 2016, 06:35:08 pm »
Oh also noticed where seal rides the crank it appears to be a slight worn groove.  Anyone seen this on chainsaws?  I have seen it on car cranks but not on a saw.   

Dont know if the seal will seal anyways right there. but going deeper should clear this too.

Any thoughts or info?

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Re: Husqvarna 268 272 questions
« Reply #158 on: October 13, 2016, 07:34:56 pm »
2    503260204    Sealing Ring    $2.99    $5.98
1    740422100    O-Ring    $1.99    $1.99
1    501806803    Gasket    $2.10    $2.10
1    501296402    Gasket    $1.99    $1.99

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Re: Husqvarna 268 272 questions
« Reply #159 on: October 15, 2016, 10:22:42 am »
Everything back together. Just waiting on new seals and o-ring.   Will have to pull the intake and carb back off for the new gaskets too. But want to test it with new seals and the old carb and intake gaskets first.

Dont know if pics you can see the chipping on bottom right seal area.

.024 squish with base gasket delete.


 

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