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Jan 23rd, 2013
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Frozen set screw on brake axle #13211572
07/11/19 05:10 PM
07/11/19 05:10 PM
Joined: Apr 2004
Posts: 8,775
Rockwall
S
Stump jumper Online content OP
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Rockwall
It has been sitting in a puddle of PB Blaster since Sunday morning. I have a socket type allen wrench and a strikable impact. Impact is last resort. Someone said to apply heat directly to the set screw. I am a little concerned about the seals on the hub. If it comes down to heat I plan to wrap the rear of the hub with a wet rag. I have been lightly tapping the hub thinking maybe the vibration will allow some of the PB Blaster to flow along the threads. I am thinking last resort will be to turn the set screw upside down and drill a hole and the use and easy out.


2200 Bay Champ/200 Mercury Optimax
2017 Tundra TSS 4x4 Crewmax 5.7L
Re: Frozen set screw on brake axle [Re: Stump jumper] #13211605
07/11/19 05:28 PM
07/11/19 05:28 PM
Joined: Mar 2010
Posts: 8,868
Temple, TX.
T Bird Online content
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Temple, TX.
Bump it loose with air impact.


[Linked Image]
Alumni 1985-1989
Re: Frozen set screw on brake axle [Re: Stump jumper] #13211656
07/11/19 05:51 PM
07/11/19 05:51 PM
Joined: Jul 2012
Posts: 11,009
North Texas - God's Country
Cast Online content
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Cast  Online Content
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North Texas - God's Country
Quit wasting time man! Get out the big red wrench.


Cast




I have a short attention spa
Re: Frozen set screw on brake axle [Re: T Bird] #13211697
07/11/19 06:13 PM
07/11/19 06:13 PM
Joined: Apr 2004
Posts: 8,775
Rockwall
S
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Originally Posted by T Bird
Bump it loose with air impact.

I don't have one and the screw is already an little buggered up


2200 Bay Champ/200 Mercury Optimax
2017 Tundra TSS 4x4 Crewmax 5.7L
Re: Frozen set screw on brake axle [Re: Stump jumper] #13211754
07/11/19 06:56 PM
07/11/19 06:56 PM
Joined: Mar 2010
Posts: 8,868
Temple, TX.
T Bird Online content
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Posts: 8,868
Temple, TX.
Vice grips and hammer.


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Alumni 1985-1989
Re: Frozen set screw on brake axle [Re: Stump jumper] #13211759
07/11/19 06:57 PM
07/11/19 06:57 PM
Joined: Jul 2012
Posts: 11,009
North Texas - God's Country
Cast Online content
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North Texas - God's Country
You better heat it. Keep messing with it and you will be drilling it out. Take my word for it. I restored a 1953 Ford tractor.


Cast




I have a short attention spa
Re: Frozen set screw on brake axle [Re: Cast] #13211774
07/11/19 07:08 PM
07/11/19 07:08 PM
Joined: Apr 2004
Posts: 8,775
Rockwall
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Originally Posted by Cast
You better heat it. Keep messing with it and you will be drilling it out. Take my word for it. I restored a 1953 Ford tractor.

Yep, if it does not come out with just thr PB Blaster soaking the torch comes out. Neighbor who is a McGyver type thinks the heat should be applied to the hub. Others say directly to the screw.


2200 Bay Champ/200 Mercury Optimax
2017 Tundra TSS 4x4 Crewmax 5.7L
Re: Frozen set screw on brake axle [Re: Stump jumper] #13211884
07/11/19 08:32 PM
07/11/19 08:32 PM
Joined: Jul 2012
Posts: 11,009
North Texas - God's Country
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North Texas - God's Country
Put the heat right on the screw. Wrap the seals with a sopping wet rag. The heat will burn the crud out of the threads and it will back right out while it is hot. Be gentle do not force. If it doesn’t come, more heat. I have a rosebud and big tanks because of stuff like this.


Cast




I have a short attention spa
Re: Frozen set screw on brake axle [Re: Stump jumper] #13212020
07/11/19 10:59 PM
07/11/19 10:59 PM
Joined: Jan 2004
Posts: 2,155
Frisco, TX, USA
R
rb7764 Offline
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Agree 100%. Heat on set screw - lots of heat. Work screw back and forth. If needed, tap allen wrench with hammer in each direction. repeat if needed. You will need to heat it hotter than a normal propane torch can get. Rosebud is also what I use.

Re: Frozen set screw on brake axle [Re: Stump jumper] #13212292
07/12/19 02:50 AM
07/12/19 02:50 AM
Joined: Oct 2012
Posts: 1,514
bayou vista,tx
S
smooth move Offline
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bayou vista,tx
heat is last resort. try a 50/50 mix of acyetone and trans fluid.really thin lubricant that penetrates good.


es le bon ton roulet
Re: Frozen set screw on brake axle [Re: Stump jumper] #13212324
07/12/19 03:21 AM
07/12/19 03:21 AM
Joined: Apr 2004
Posts: 8,775
Rockwall
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Looks like it is time for the screw extractor. I have replacement set screws. Next step will be drill but concerned about filings in the hub. I figure if I turn it down I can drill with minimal filings and then flush it several times.


2200 Bay Champ/200 Mercury Optimax
2017 Tundra TSS 4x4 Crewmax 5.7L
Re: Frozen set screw on brake axle [Re: smooth move] #13212333
07/12/19 03:28 AM
07/12/19 03:28 AM
Joined: Mar 2015
Posts: 472
Dallas, Texas
C
Cat finder Offline
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Dallas, Texas
Originally Posted by smooth move
heat is last resort. try a 50/50 mix of acyetone and trans fluid.really thin lubricant that penetrates good.

This^^^ Used it for many years. Its stuff every household has.


If the fish don't bite your not baiting right...
Re: Frozen set screw on brake axle [Re: Stump jumper] #13212430
07/12/19 11:10 AM
07/12/19 11:10 AM
Joined: Jul 2012
Posts: 11,009
North Texas - God's Country
Cast Online content
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North Texas - God's Country
Have you decided not to use heat?


Cast




I have a short attention spa
Re: Frozen set screw on brake axle [Re: Stump jumper] #13212456
07/12/19 11:45 AM
07/12/19 11:45 AM
Joined: Oct 2012
Posts: 1,514
bayou vista,tx
S
smooth move Offline
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bayou vista,tx
if you drill it, use a left handed(counter clocklwise)bit. i've had the screws come on out after starting the drilling with left hand bits.


es le bon ton roulet
Re: Frozen set screw on brake axle [Re: Stump jumper] #13212783
07/12/19 04:20 PM
07/12/19 04:20 PM
Joined: Feb 2006
Posts: 1,727
Farmers Branch/Sulphur Bluff
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Originally Posted by Stump jumper
Looks like it is time for the screw extractor. I have replacement set screws. Next step will be drill but concerned about filings in the hub. I figure if I turn it down I can drill with minimal filings and then flush it several times.

coat the bit with grease to catch the filings....


1999 Triton TX21/225 Mercury Optimax
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