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Frozen set screw on brake axle
#13211572
07/11/19 05:10 PM
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Joined: Apr 2004
Posts: 14,082
Stump jumper
OP
TFF Guru
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OP
TFF Guru
Joined: Apr 2004
Posts: 14,082 |
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
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Re: Frozen set screw on brake axle
[Re: Stump jumper]
#13211605
07/11/19 05:28 PM
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Joined: Mar 2010
Posts: 25,822
T Bird
TFF Guru
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TFF Guru
Joined: Mar 2010
Posts: 25,822 |
Bump it loose with air impact.
Okie by birth, Texan by choice. USAF "Thunderbirds" Alumni 1985-1989
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Re: Frozen set screw on brake axle
[Re: Stump jumper]
#13211656
07/11/19 05:51 PM
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Joined: Jul 2012
Posts: 12,214
Cast
TFF Guru
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TFF Guru
Joined: Jul 2012
Posts: 12,214 |
Quit wasting time man! Get out the big red wrench.
Cast I have a short attention spa
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Re: Frozen set screw on brake axle
[Re: T Bird]
#13211697
07/11/19 06:13 PM
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Joined: Apr 2004
Posts: 14,082
Stump jumper
OP
TFF Guru
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OP
TFF Guru
Joined: Apr 2004
Posts: 14,082 |
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
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Re: Frozen set screw on brake axle
[Re: Stump jumper]
#13211754
07/11/19 06:56 PM
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Joined: Mar 2010
Posts: 25,822
T Bird
TFF Guru
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TFF Guru
Joined: Mar 2010
Posts: 25,822 |
Okie by birth, Texan by choice. USAF "Thunderbirds" Alumni 1985-1989
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Re: Frozen set screw on brake axle
[Re: Stump jumper]
#13211759
07/11/19 06:57 PM
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Joined: Jul 2012
Posts: 12,214
Cast
TFF Guru
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TFF Guru
Joined: Jul 2012
Posts: 12,214 |
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
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Re: Frozen set screw on brake axle
[Re: Cast]
#13211774
07/11/19 07:08 PM
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Joined: Apr 2004
Posts: 14,082
Stump jumper
OP
TFF Guru
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OP
TFF Guru
Joined: Apr 2004
Posts: 14,082 |
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
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Re: Frozen set screw on brake axle
[Re: Stump jumper]
#13211884
07/11/19 08:32 PM
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Joined: Jul 2012
Posts: 12,214
Cast
TFF Guru
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TFF Guru
Joined: Jul 2012
Posts: 12,214 |
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 doesnt come, more heat. I have a rosebud and big tanks because of stuff like this.
Cast I have a short attention spa
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Re: Frozen set screw on brake axle
[Re: Stump jumper]
#13212020
07/11/19 10:59 PM
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Joined: Jan 2004
Posts: 2,439
rb7764
Extreme Angler
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Extreme Angler
Joined: Jan 2004
Posts: 2,439 |
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.
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Re: Frozen set screw on brake axle
[Re: Stump jumper]
#13212292
07/12/19 02:50 AM
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Joined: Oct 2012
Posts: 1,925
smooth move
Extreme Angler
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Extreme Angler
Joined: Oct 2012
Posts: 1,925 |
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
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Re: Frozen set screw on brake axle
[Re: Stump jumper]
#13212324
07/12/19 03:21 AM
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Joined: Apr 2004
Posts: 14,082
Stump jumper
OP
TFF Guru
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OP
TFF Guru
Joined: Apr 2004
Posts: 14,082 |
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
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Re: Frozen set screw on brake axle
[Re: smooth move]
#13212333
07/12/19 03:28 AM
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Joined: Mar 2015
Posts: 499
Cat finder
Angler
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Angler
Joined: Mar 2015
Posts: 499 |
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...
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Re: Frozen set screw on brake axle
[Re: Stump jumper]
#13212430
07/12/19 11:10 AM
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Joined: Jul 2012
Posts: 12,214
Cast
TFF Guru
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TFF Guru
Joined: Jul 2012
Posts: 12,214 |
Have you decided not to use heat?
Cast I have a short attention spa
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Re: Frozen set screw on brake axle
[Re: Stump jumper]
#13212456
07/12/19 11:45 AM
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Joined: Oct 2012
Posts: 1,925
smooth move
Extreme Angler
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Extreme Angler
Joined: Oct 2012
Posts: 1,925 |
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
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Re: Frozen set screw on brake axle
[Re: Stump jumper]
#13212783
07/12/19 04:20 PM
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Joined: Feb 2006
Posts: 3,773
bronco71
TFF Team Angler
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TFF Team Angler
Joined: Feb 2006
Posts: 3,773 |
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....
1987 Nitro MX185/Mercury Black Max 150 1999 Triton TX21/225 Mercury Optimax
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