I would think that the motor should run at least 3000 rpm without any load
on it. Does it appear to do that? And then with a reasonable load on it I
would not expect it to slow down a great deal if the motor is healthy and
sized appropriately for the width of the machine.
You did not mention how wide the cut is. Your dad's 6hp would have a much
better time of it if it is only 24 to 30 inches wide than a 7hp working
against a 36 or 40 inch cut.
Arvid
----- Original Message -----
From: "Phil Nase" <nases@verizon.net>
To: <shop-talk@autox.team.net>
Sent: Saturday, February 06, 2010 11:17 AM
Subject: [Shop-talk] Snow blower repair
>I have a 15 year old Ariens 7hp Tecumsah engined 2 stage snow blower. It
> starts and runs well but no longer pitches the snow more than 6-8 feet.
>
> I have adjusted the idler pulley and the cable to the clutch is tight
> enough.
> I see no other adjustments to make for the the impeller. I've tried every
> thing I know to fix it but nothing has changed. The belts have very little
> time on them. I haven't worked on the throttle and am wondering whether I
> should have more power under load.
>
> My dad had a similar unit with a 6hp engine and that thing would throw the
> snow clear across a 30 foot street.
>
> Mine never did move the snow like his did but it is getting unusable.
>
> Any ideas? Thanks.
>
> Phil Nase
> Quakertown, PA
> http://home.comcast.net/~philnasecpa/
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