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HB212 Garden Tractor
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reedski View Drop Down
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Joined: 25 Sep 2014
Location: Princeton MN
Points: 12 		Post Options Post Options   Thanks (0) Thanks(0)   Quote reedski Quote  Post ReplyReply Direct Link To This Post Topic: HB212 Garden Tractor
    Posted: 21 Aug 2015 at 8:38pm
I need ideas on problem with my HB212, I am a retired engineer and have exhusted my ideas.
My tractor is super sensetive as the hydro control is moved. When the unit moves it has a periodic "surge" the rpms remain the same. I can take it out on the street af full throttle and speed, it works without surging. Problem has become progressivly worse over several years
I have:
Checked for leaks
Checked and replaced belts
Eliminated carburation probs
Replaced the Hydro filter
Verified positraction adjustment

Anybody had this prob? Things to try ?
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SHAMELESS View Drop Down
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Joined: 13 Sep 2009
Location: EAST NE
Points: 29486 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SHAMELESS Quote  Post ReplyReply Direct Link To This Post Posted: 22 Aug 2015 at 4:16am
air in the system? pump going out?
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SHAMELESS View Drop Down
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Joined: 13 Sep 2009
Location: EAST NE
Points: 29486 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SHAMELESS Quote  Post ReplyReply Direct Link To This Post Posted: 22 Aug 2015 at 5:28pm
was thinking about this all last night...bet you have some linkage that's worn a bit!
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ACmowerguy View Drop Down
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Joined: 20 Apr 2010
Location: Winfield, MO
Points: 1209 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ACmowerguy Quote  Post ReplyReply Direct Link To This Post Posted: 22 Aug 2015 at 10:29pm
Have you checked the bolts that connect the bevel gear box to the frame tunnel? If they are getting loose you could have intermittent belt slip.
10 various B-series garden tractors, AC Homesteader8, 416 hydro,710 gt, 914, 916H, 917H, 920D, and many misc attachments
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