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This is a typical problem with drum brakes, especially if they are worn and=
/or have sat around a long time. Usually caused by a "lip" on the outer ed=
ge of the drum surface that is hanging up on the brake shows as you try to =
pull it free.
1. Be sure that the adjusters are all the way retracted (see the service=
manual for how they work).
2. Remove the brake lines from the brake cylinders from the rear of the =
backing plate, or at the feed hose to be sure there is no residual pressure=
trapped in the line or cylinder.
3. You must get the locked up side free or it will never come off. Try =
to get it rotating.
4. Also take the emergency brake cable off both sides and be sure it's n=
ot that system which has the shoes locked.
5. I think you can take the hydraulic cylinder loose from the back side =
of the backing plate. That would free up the upper part of both shoes.
6. The shoes are held to the backing plate by two little "nails" that in=
sert from the back of the backing plate, go through a spring and then lock =
with a cup inside the drum. You can grind off the "head" of the "nails" fr=
om the back of the backing plate, thereby further freeing up the shoes.
7. Bottom line is that you need to get the shoes retracted (and unstuck)=
from the drum to get them off.
8. If all else fails, go to AutoZone and borrow the biggest three arm pu=
ller they have.
Steve Kirby
President
China Auto Group
22831 Avenida Empresa
Rancho Santa Margarita, CA 92688 USA
Direct: (949) 261-8208
Fax: (949) 767-5949
Cell: (949) 903-0957
Skype: steve.kirby29
www.chinaautogroup.com
From: Triumphs <triumphs-bounces@autox.team.net> On Behalf Of Adrian Jones
Sent: Wednesday, July 21, 2021 2:15 PM
To: Triumphs@autox.team.net
Subject: [TR] TR3A Rear Brakes
Hi folks,
I got the car jacked up and the back wheels off.
Now I'm looking at the back brakes.
The driver's side drum is locked up; the passenger side I can rotate.
I can't get either drum off, despite banging on them with a rubber mallet.
(I've taken out the 2 flat screws)
Any ideas?
Cheers
--_000_93a08b9939e34adc809287e9682e5ca5chinaautogroupcom_
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<p class=3D"MsoNormal">This is a typical problem with drum brakes, especial=
ly if they are worn and/or have sat around a long time. Usually cause=
d by a “lip” on the outer edge of the drum surface that is hang=
ing up on the brake shows as you try to pull it free.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<ol style=3D"margin-top:0in" start=3D"1" type=3D"1">
<li class=3D"MsoListParagraph" style=3D"margin-left:0in;mso-list:l0 level1 =
lfo1">Be sure that the adjusters are all the way retracted (see the service=
manual for how they work).<o:p></o:p></li><li class=3D"MsoListParagraph" s=
tyle=3D"margin-left:0in;mso-list:l0 level1 lfo1">Remove the brake lines fro=
m the brake cylinders from the rear of the backing plate, or at the feed ho=
se to be sure there is no residual pressure trapped in the line or cylinder=
.<o:p></o:p></li><li class=3D"MsoListParagraph" style=3D"margin-left:0in;ms=
o-list:l0 level1 lfo1">You must get the locked up side free or it will neve=
r come off. Try to get it rotating.<o:p></o:p></li><li class=3D"MsoLi=
stParagraph" style=3D"margin-left:0in;mso-list:l0 level1 lfo1">Also take th=
e emergency brake cable off both sides and be sure it’s not that syst=
em which has the shoes locked.<o:p></o:p></li><li class=3D"MsoListParagraph=
" style=3D"margin-left:0in;mso-list:l0 level1 lfo1">I think you can take th=
e hydraulic cylinder loose from the back side of the backing plate. T=
hat would free up the upper part of both shoes.<o:p></o:p></li><li class=3D=
"MsoListParagraph" style=3D"margin-left:0in;mso-list:l0 level1 lfo1">The sh=
oes are held to the backing plate by two little “nails” that in=
sert from the back of the backing plate, go through a spring and then lock =
with a cup inside the drum. You can
grind off the “head” of the “nails” from the back =
of the backing plate, thereby further freeing up the shoes.<o:p></o:p></li>=
<li class=3D"MsoListParagraph" style=3D"margin-left:0in;mso-list:l0 level1 =
lfo1">Bottom line is that you need to get the shoes retracted (and unstuck)=
from the drum to get them off.<o:p></o:p></li><li class=3D"MsoListParagrap=
h" style=3D"margin-left:0in;mso-list:l0 level1 lfo1">If all else fails, go =
to AutoZone and borrow the biggest three arm puller they have.<o:p></o:p></=
li></ol>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<div>
<p class=3D"MsoNormal"><b><i><span style=3D"color:#0070C0">Steve Kirby<o:p>=
</o:p></span></i></b></p>
<p class=3D"MsoNormal"><b>President<o:p></o:p></b></p>
<p class=3D"MsoNormal"><b>China Auto Group<o:p></o:p></b></p>
<p class=3D"MsoNormal">22831 Avenida Empresa<o:p></o:p></p>
<p class=3D"MsoNormal">Rancho Santa Margarita, CA 92688 USA<o:p></o:p></p>
<p class=3D"MsoNormal">Direct: (949) 261-8208<o:p></o:p></p>
<p class=3D"MsoNormal">Fax: (949) 767-5949<o:p></o:p></p>
<p class=3D"MsoNormal">Cell: (949) 903-0957<o:p></o:p></p>
<p class=3D"MsoNormal">Skype: steve.kirby29<o:p></o:p></p>
<p class=3D"MsoNormal">www.chinaautogroup.com<o:p></o:p></p>
</div>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<div>
<div style=3D"border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b>From:</b> Triumphs <triumphs-bounces@autox.tea=
m.net> <b>On Behalf Of
</b>Adrian Jones<br>
<b>Sent:</b> Wednesday, July 21, 2021 2:15 PM<br>
<b>To:</b> Triumphs@autox.team.net<br>
<b>Subject:</b> [TR] TR3A Rear Brakes<o:p></o:p></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:20.0pt">Hi folks,<o:p></o:p=
></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:20.0pt">I got the car jacke=
d up and the back wheels off.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:20.0pt">Now I’m looki=
ng at the back brakes.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:20.0pt">The driver’s =
side drum is locked up; the passenger side I can rotate.<o:p></o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:20.0pt">I can’t get e=
ither drum off, despite banging on them with a rubber mallet.<o:p></o:p></s=
pan></p>
<p class=3D"MsoNormal"><span style=3D"font-size:20.0pt">(I’ve taken o=
ut the 2 flat screws)<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:20.0pt">Any ideas?<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:20.0pt">Cheers<o:p></o:p></=
span></p>
<p> <o:p></o:p></p>
<p> <o:p></o:p></p>
</div>
<p> </p>
<p> </p>
<p> </p>
</body>
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