Chain tension adjustment - HCS Snowmobile Forums

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Old 10-23-2003, 05:45 PM   #1 (permalink)
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Hi

Does someone has the removal/installation instruction procedures for a chaincase with mechanical reverse ?

I would like to know the proper chain tension adjustments ?

Some of you may have noticed that there are many linked parts outside and inside.... and I am planning to change my track to a Camoplast Rip Saw; so I would have to dissassemble and re-assemble the hole chaincase and the reverse stuff. (One of the bottom chaincase cover bolt (left one) seems pretty tight with the belly pan and hose coolant...)

Regards,

Guy
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Old 10-24-2003, 07:59 PM   #2 (permalink)
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I did that on my 99 XLT w/ mechanical reverse, it's not too bad, just take the cover off, and my best advice is if you got a digital camera, take a pic of it, you'll be glad you did putting it back together. There's just two gears in there instead of three. When I did it, I got lucky, my friends were there so we pulled it apart and put it back together in one night. I'm in the process of changing on my XC right now and it had been two weeks so it took a little more thinking. For chaincase tension I think you're supposed to put it finger tight then back off a half turn.
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Old 10-24-2003, 08:02 PM   #3 (permalink)
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let me rephrase that, three gears instead of two :zzz:
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Old 10-25-2003, 12:17 AM   #4 (permalink)
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The Polaris Service Manual says as follows for reverse chaincase:
1. Elevate the rear of machine and support so track is off the floor.
2. Loosen chain adjuster lock nut.
3. Loosen chain adjuster bolt slightly ( about one turn out).
4. Tighten adjuster to specified torque (20 in. lbs. or 2.3Nm)
5. Loosen adjuster bolt 1/2 turn.
6. Hold adjuster bolt in position and tighten locknut securely.

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Old 10-28-2003, 08:04 PM   #5 (permalink)
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Quote:
Originally posted by napadave@Oct 24 2003, 11:17 PM
The Polaris Service Manual says as follows for reverse chaincase:
1. Elevate the rear of machine and support so track is off the floor.
2. Loosen chain adjuster lock nut.
3. Loosen chain adjuster bolt slightly ( about one turn out).
4. Tighten adjuster to specified torque (20 in. lbs. or 2.3Nm)
5. Loosen adjuster bolt 1/2 turn.
6. Hold adjuster bolt in position and tighten locknut securely.

* *
I followed The Polaris Service Manual and before I reached the 20 in/lbs I heard a "knock" in the chaincase. So I back off and did it manually.

Also, (In that Super book...) they mention 11 oz of oil for the chaincase. I did not trust this and I decided to try 9 oz. And I was right on it.

I do not trust The Polaris Service Manual....

Thx anyway,

Guy
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Old 11-02-2003, 02:13 PM   #6 (permalink)
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For Polaris's with rev. tighten the adjuster finger tight and that's it. They tell you to back it off a half turn but do not do that. It needs to be tight because of the rev. it's something you should check every couple of rides. it takes a couple of minuts and can save your chain case. backing it off a half of turn is good for a sled without rev....
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