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Clutternut


Joined: Feb 27, 2005
Points: 2

Removing broken shear pins
Original Message   Feb 27, 2005 12:19 pm
Hi everyone. Great site. We have a MTD two-stage, model 3BA snow thrower. We're brand new to the art of snow removal by any means other than a shovel and you guessed it, we hit something on the second day and sheared the pins. There seems to be four of them and three of the holes still have part of the pin in there. I don't have a punch tool and even if I did, how are you supposed to swing a hammer in that small area? Do I have to remove the the intake housing (if thats what it's called) to get better access to the axle?
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RalphS


There's a reason for more than one snowblower.
Because.
1974 Ariens 824 SnoThro
197? Ariens ST270 SnoThro
1988 Ariens ST824 SnoThro
196? REO Snowblower
1960 Ariens SnoThro
1964 Ariens SnoThro


Location: MA
Joined: Dec 21, 2004
Points: 70

Re: Removing broken shear pins
Reply #6   Mar 1, 2005 11:36 am
I would just add that when you're buying shear pins to replace the broken ones, get an extra set while you're there. 

The suggestion to grease and rotate the augers is a very good one, as Marty (Majorxlr8n) and I can attest to. 

Good Luck

Ralph

snowshoveler


tides in dirts out surfs up

Location: bridgewater nova scotia...aka the swamp
Joined: Jan 3, 2003
Points: 1261

Re: Removing broken shear pins
Reply #7   Mar 2, 2005 8:22 pm
sheer pins or bolts...

tape a couple extra ones to the handle .

you will always have them.

wrenches and hammers and punches are easy to find but those darn sheer bolts are lost as soon as you put them down.

also curious that you have 4 sheer bolts in one machine...can you elaborate.

later chris

craftsman 10/28 snowblower with tracks   husky 372xpg chainsaw   sachs dolmar bc212 bushsaw   mondo trimmer   monster tractor with trailer    cheep wheelbarro and couple shovels and a partridge in a pear tree 
terrapin24h


The more I learn the less i know

Location: Rochester NY, USA
Joined: Dec 18, 2003
Points: 628

Re: Removing broken shear pins
Reply #8   Mar 3, 2005 8:47 am
snow--
    new mtd's have quad-sectional augers, each section has it's own shear pin, erego 4 shear pins.  It's hard to see in the pic below, but if you look clse you can see the section break between the augers:




--chris
2001 Homelite VacAttack Blower
2001 6hp Toro PPace 22" mower
2001 Ariens 824LE
2002 6hp 2400 PSI Excell Powerwasher
2004 18hp Craftsman 27375 42" mower
2004 42cc Craftsman 18" chainsaw
snowshoveler


tides in dirts out surfs up

Location: bridgewater nova scotia...aka the swamp
Joined: Jan 3, 2003
Points: 1261

Re: Removing broken shear pins
Reply #9   Mar 3, 2005 5:29 pm
yes i have seen those models ,just havent worked on them yet.

looks like a good idea with the extra spiral on the augers,should provide a more consistant stream of snow to the impeller.

later chris 

craftsman 10/28 snowblower with tracks   husky 372xpg chainsaw   sachs dolmar bc212 bushsaw   mondo trimmer   monster tractor with trailer    cheep wheelbarro and couple shovels and a partridge in a pear tree 
solara


Location: Boston
Joined: Jun 16, 2004
Points: 252

Re: Removing broken shear pins
Reply #10   Mar 6, 2005 6:44 pm
found the head to a shear pin in the yard and realized that it had broken.  do not know when it had occurred.  (first storm? last storm?)

 most of the screw and  the nut were still in the shaft.  (and the rake was still only spinning w/ the shaft.)

Anyway  replaced it w/ the info from his thread.....starting w/ the tick list given by marc .

it was a realllllllllllllllllllllllllllllllll pain to get the old one out. the old one was bent. after a while  decided to remove the nut. that caused the screw to break in a second place.   that removed some of the bent screw shaft(?) and it finally came out.

Thanx

2004-2005 Ariens 11528LE
Jacobsen snow-burst
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