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Peerless/Tecumseh 205-024c #4106576 05/25/16 06:02 PM
Joined: Jun 2013
Posts: 589
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ford46guy Offline OP
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Posts: 589
I was driving my murray tractor and pushed the accelerator go go up a hill, next thing I know the pedal is stuck and the mower is in a smoke storm because of a locked pulley. These are supposed to be throwaway units, and there is a kit for 800$ that completely replaces the trans, total ripoff in my book. No warranty either. If I had to go that route I would get a new mower. Anyway I dropped the trans, opened it up and noticed the cap bolts were either loose or completely broken off. One came out whole, one broke below the surface, one broke flush, one broke with a stub(vice grip friendly).

You can see from the images below a scar in the case from the loose bolt..






Beyond that, the unit is now off to a welding shop to fix:
-The external actuator pin that broke when the bolt blocked the shift mechasim
-a crack in the case from from not seeing 2 bolts (kinda visible in pic #2 at the top
-removing the the broken cap bolts studs.


Now I'm wondering what oil is used to replace. You see the tar in the bucket, not pretty. This unit requires 2 oils, and they are separated by an RTV seal.

80W90 for the diff

Now the pump I'm not sure yet. There is a peerless pump oil kit, it is just branded mystery oil, cost about $40ish shipped. Now I'm reading everyone is using 20W50 synth motorcycle oil, or even 15W50 Mobil 1. The kit comes with an extra bellows, but mine is not leaking and looks fine. I noticed that the unit was getting a bit more sluggish over time, I guess that is due to that horrible oil. It is 15 years old, I installed an hour meter a few years ago, I would estimate 175 hrs on the unit.

I am going to use the special RTV for differentials, I had very good luck with it. Worth the extra few bucks. The case looks very porous.


95 Tbird V8 240K PP SYNTH ULTRA 5W30
98 MGM 160K M1 HM 5W20
96 Explorer EB V6 159K PP SYNTH HM 5W30
95 Conti 155K MC 5W20
11 GS350 90K PP HM 5W30
Re: Peerless/Tecumseh 205-024c [Re: ford46guy] #4106627 05/25/16 06:43 PM
Joined: Jul 2013
Posts: 1,948
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jhellwig Offline
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Neat. Hope you can get it going again.


Sparks fly from my fingers.

1995 Chevy K2500 Suburban lt 5.7
2014 Toyota Sienna
1983 Chevy K5 350
Re: Peerless/Tecumseh 205-024c [Re: ford46guy] #4107421 05/26/16 04:49 PM
Joined: Jun 2013
Posts: 589
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ford46guy Offline OP
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Just FYI for anyone who sees this thread, the bolts are 5/16 X 18 X 1.5" with a flanged top. Hardware store carries them but no more in the bin.

Original bolts had no marking, hardware store has grade 5.

Crack and pin were successfully welded.


95 Tbird V8 240K PP SYNTH ULTRA 5W30
98 MGM 160K M1 HM 5W20
96 Explorer EB V6 159K PP SYNTH HM 5W30
95 Conti 155K MC 5W20
11 GS350 90K PP HM 5W30
Re: Peerless/Tecumseh 205-024c [Re: ford46guy] #4107522 05/26/16 06:50 PM
Joined: Jun 2013
Posts: 589
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ford46guy Offline OP
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Ok, turns out the OEMs are trilobe screws - sort of like squashed triangle in the bolt. I thought it was from vibration.

The screws actually are designed to cut a thread like a tap and never come out under vibration (so much for that). Probably saved the co 20cents a unit cause they don't have to tap or use locktite.


95 Tbird V8 240K PP SYNTH ULTRA 5W30
98 MGM 160K M1 HM 5W20
96 Explorer EB V6 159K PP SYNTH HM 5W30
95 Conti 155K MC 5W20
11 GS350 90K PP HM 5W30
Re: Peerless/Tecumseh 205-024c [Re: ford46guy] #4108577 05/27/16 10:39 PM
Joined: Jul 2013
Posts: 1,948
J
jhellwig Offline
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You could probably get by with locktite and regular bolts. You would probably have a hard time finding a torque spec though.


Sparks fly from my fingers.

1995 Chevy K2500 Suburban lt 5.7
2014 Toyota Sienna
1983 Chevy K5 350
Re: Peerless/Tecumseh 205-024c [Re: ford46guy] #4108608 05/27/16 11:44 PM
Joined: Mar 2010
Posts: 5,614
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The_Eric Offline
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In my experience, the torque for a particular assembly almost always follows fastener size/grade guidelines.

So for a 5/16"-18 gr5 bolt, you'd have 13lbs. Grade 8 would be 18lbs.


2005 Lincoln Aviator 4.6 DOHC
2000 Honda Accord 2.3
2001 Hyundai Elantra 2.0
1979 Ford F-150 351M
Re: Peerless/Tecumseh 205-024c [Re: ford46guy] #4114207 06/03/16 11:39 AM
Joined: Jun 2013
Posts: 589
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ford46guy Offline OP
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Got it all back together, used right stuff grey to finish it off. No leaks, runs faster and cooler. Saved a buying a mower with similar specs that is 2 grand, and that is the Big Box quality, probably 4grand in an outdoor shop. Belt is on its last leg from the smoke show, but even cracked it still works fine after adjusting to the tension limit. Ordered a new kelvar one. Installed new gator much blades too.

M1 20W50 in the pump - about 46oz
VV Durablend 80W90 in the diff - less than 20oz

31 - 1/4 X1 1 1/4 -20 case bolts, torqued to about 10 ft/lbs
4 - 5/16 X 1 1/2 - 18 cap bolts, flanged, grade 8, torqued to 22 ft/lbs, red locktite.


Last edited by ford46guy; 06/03/16 11:48 AM.

95 Tbird V8 240K PP SYNTH ULTRA 5W30
98 MGM 160K M1 HM 5W20
96 Explorer EB V6 159K PP SYNTH HM 5W30
95 Conti 155K MC 5W20
11 GS350 90K PP HM 5W30
Re: Peerless/Tecumseh 205-024c [Re: ford46guy] #4114943 06/04/16 09:51 AM
Joined: Jul 2013
Posts: 1,948
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jhellwig Offline
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Good deal.


Sparks fly from my fingers.

1995 Chevy K2500 Suburban lt 5.7
2014 Toyota Sienna
1983 Chevy K5 350
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