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Muskeg hull rebuild

benz9

New member
You just might make it for the snow, Mr. J5B. Even the air filter is yellow...yup it's a nice color!
 

J5 Bombardier

Well-known member
It's been a little damp for outside painting, so I put my dash together and installed it temporarily to get it out of my way.
J5 Bombardier
 

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pixie

Well-known member
SUPER Site Supporter
That's fancy :wow::clap:

It that an air brake button top left ? What's the light for ?

What kind of steering ?

Are the 3 verticle slots an air vent ?

Tell us more :flowers:
 

J5 Bombardier

Well-known member
Hi Pixie
Top left of dash-Pto lever for pump running off trans, to the right data plate , lights- hi beam, misc warning, horizontal slots for defroster[louvres to cover]. Vertical slots for hydraulic valve levers[to be covered by aluminum plate]. Steering(what's that ?) Oh yeah, hydraulic stick- to be alot like the muskeg steering pics you sent me a long time ago !
J5 Bombardier
 

benz9

New member
Wow, that's a lot of dials, buttons, and levers. Very nice indeed, Especially the CD/Radio.
 

Snowtrac Nome

member formerly known as dds
GOLD Site Supporter
ditto what my buddy Big Al said excelent craftsmanship you should be proud of your work.
 

J5 Bombardier

Well-known member
A little update on the Muskeg rebuild, dealing with the undercarriage. Replaced two axles on the front beams, rebuilt the grease adjusters,built up the worn rear beams and rear axle saddles (to get rid of the excess play) on the sliders.New wheel seals and replaced 12 out of 32 bearings,16 seal spacers made up and some of the air rims I had were small bearing style which I switched the center hub to large bearing style.
Tires are a mix of old and new style solids on the front and rear and the centers are air . Plan on adjusting the bearings and installing the grease caps next,then take off the rails for the last time and get these suckers installed !
J5 Bombardier:hammer:
 

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pixie

Well-known member
SUPER Site Supporter
Nice paint job on the wheels !

Must be nice to work on the wheels without having to get them on/off underneath the machine.

How did you replace the small axle centers ?
 

J5 Bombardier

Well-known member
Hi Pixie
It's definitely no fun changing an inside tire on a Muskeg,throw in a little slush and slop- pretty nasty ! Replacing small bearing to large bearing you need a very large lathe and mig !
J5 Bombardier:smile:
 

J5 Bombardier

Well-known member
great job!!! - after over 40 years in the painting trade, I'd rather paint than punch holes - lol

It's about time to kick start this thread ! Hasn't been much happening on this project, installed the rad and hood for the final time,put in the fuel and hyd tanks,the sprockets are ready to go in. Painting is done,just about ready to punch those 900 plus holes !
J5 Bombardier:hammer:
 

muleman

Gone But Not Forgotten
GOLD Site Supporter
Don't count them and you will be done in no time!:clap:Should be ready when the snow flies.
 

J5 Bombardier

Well-known member
Well ,the motivation has kicked in again,I decided to install the front sprockets on the muskeg project.Both tubes have been repaired,straightened the disc's,new sprockets,machined some new wear sleeves for the seals to run on and rebuilt the outer bearing retainers. Instead of bombardier seals(8required), four spacers were made up with an o-ring on the outside and 4double lipped seals were used. The original felt doughnuts were reused between the retainer plates.Next step assemble the diff and install.:hammer:
J5 Bombardier
 

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pixie

Well-known member
SUPER Site Supporter
Glad you are working on it again :thumb:

I like the UHMWPE spacers. Great idea !
 

J5 Bombardier

Well-known member
A bit more accomplished on the Muskeg, diff is in, new outer caps made up for both axles, and started punching track,one done 5 to go. The box for installing the track cleats is a copy of Pixie's design ,works great !
J5 Bombardier:hammer:
 

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pixie

Well-known member
SUPER Site Supporter
Cool !!

I kind of like track building. It can be tedious and repetitive but you really have something when you're done.

Getting close to your fist rumble :smile:
 

J5 Bombardier

Well-known member
Finished swapping the springs in the (spring in a can's ),I had bought a set which weren't strong enough to support a J5 but will work fine for a Muskeg.Stretched them out and clamped (no fingers lost)and installed them.
Halfway done punching belts,opted to use the hammer instead of the hydraulic press,it's faster,not sure how the knees are going to feel tommorrow ! I keep my before pic of the Muskeg handy for "motivation"
J5 Bombardier:hammer:
 

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IMP

Member
Site Supporter
Hello J5 Bombardier, I see you working on your spring in a can. Why were you stretching the spring and clamping it? I have one of my J5 spring in a cans open right now and want to make sure I'm not missing something. Is there a way to tell if the spring is good before I weld the can back up? My can had a hole rubbed in the side so I removed the spring and cut the damaged side of the can out to replace.
 

J5 Bombardier

Well-known member
Imp, if both cans were open you could compare spring height between the two, but as a rule of thumb the spring will have enough tension at rest that clamps will be required to pull down the rod cap in order to start the nut on the rod. Make sure the internal stop (pipe) is still in the can,a lot of mods can happen over the years. Extending and clamping the cans makes the job easier on re-install .
J5 Bombardier
 

IMP

Member
Site Supporter
Ok, I see how extending and clamping the spring rod makes installation easier. I just removed the nut on the spring rod and some threads still show. Does that mean I need a new spring? My other spring in a can looks much newer. Do you have a source for new springs?
 

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J5 Bombardier

Well-known member
Weakened some ,but not broken, lucky considering the machines age.The end plate needs a little strengthening,then good to go. I have never found an exact match,other than dealer, for these springs.
J5 Bombardier
 

the old trucker

New member
My friend went to an auto parts store with the old one & matched it up a new one...Then if another one ever broke, you knew what to send the wife to the store for. Worked for him & he has 5 of them. After he was into it for awhile, he made his own springs, complete, everything new. Never had a problem after...
 

IMP

Member
Site Supporter
Thanks guys for all the spring info. Sorry for kind of hi jacking your thread J5 Bombardier but when I see the excellent quality of your work, I know I'm getting expert answers to my questions. At some future point I will post my J5 restoration project to share with everyone, just taking lots of photos now. My progress is painfully slow at this point but I will get r done.
 

J5 Bombardier

Well-known member
It would be nice to match up a set of springs,I'll have to pull out the spring charts again some time.
IMP , we'll be looking for your pics as your resto takes shape!
J5 Bombardier:biggrin:
 

J5 Bombardier

Well-known member
It was a pretty successful day,the last 2 lengths of belting were punched,finished building the tracks and managed to get them on the Muskeg.Will get the joints bolted up and the last 8 crossers on tomorrow,tension up the tracks and that should be it for the suspension.
J5 Bombardier:hammer:
 

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pixie

Well-known member
SUPER Site Supporter
Looks great :clap:

You must be thrilled to have it substantially together !!!
 

J5 Bombardier

Well-known member
Finished the major work on the muskeg cab. Glass is all installed,doors are back together and hung,just have to keep bolting all those parts back on !
J5 Bombardier:hammer:
 

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