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External
Since: Jun 27, 2007
Posts: 4
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(Msg. 1) Posted: Wed Jul 11, 2007 2:14 am
Post subject: Suzuki GZ250, rear brake problem
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Hi,
wondering if someone can give me a few pointers on repairing the rear
drum brake on a Suzuki GZ250 Marauder - 1999 model.
If I put my foot on the brake pedal, then release - the brake is not
returning to "off", not releasing. I assume there is some spring?
mechanism in the brake itself that springs it back to the released
position.
the Cable itself seem to be ok and functioning - it's definetely a
problem in the brake itself.
Quite possibly this is not something I can fix myself - but if someone
can explain the problem fix - I'll at least be able to clesrly
identify what's wrong when I take it in to be fixed, or I might be
able to buy a replacement "whatever it is" I need to replace.
many thanks.
(Havn't been able to find any web site that shows the brake in detail
and describes all the bit's'n'pieces that make it up.) |
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External
Since: Jun 01, 2007
Posts: 12
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(Msg. 2) Posted: Wed Jul 11, 2007 2:30 am
Post subject: Re: Suzuki GZ250, rear brake problem [Login to view extended thread Info.]
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On 11 Jul, 11:14, neutrino <stua... RemoveThis @bluebottle.com> wrote:
> Hi,
> wondering if someone can give me a few pointers on repairing the rear
> drum brake on a Suzuki GZ250 Marauder - 1999 model.
>
> If I put my foot on the brake pedal, then release - the brake is not
> returning to "off", not releasing. I assume there is some spring?
> mechanism in the brake itself that springs it back to the released
> position.
> the Cable itself seem to be ok and functioning - it's definetely a
> problem in the brake itself.
> Quite possibly this is not something I can fix myself - but if someone
> can explain the problem fix - I'll at least be able to clesrly
The operating arm has seized in the brake drum plate. Common fault,
that afflicts virtually all drum brakes sooner or later....
See where the cable is attached, on the rear wheel? That's the
operating arm. If it's not returning, then you remove the rear wheel,
remove the brake plate, and remove the operating arm from its splines
(mark where it sits with a small scratch or a punch mark or similar,
so you put it back in exactly the same place afterwards).
Knock out the pivot pin that the arm is splined to. Clean it up with
wet & dry paper or similar. Grease it very lightly, with a decent moly
or copper-based grease. Check it swivels nice and freely. Reassembly
is the reverse of disassembly. Half an hour's work, maybe.
Oh, clean all the brake dust out of the drum while you're there. |
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External
Since: Jun 27, 2007
Posts: 4
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(Msg. 3) Posted: Wed Jul 11, 2007 4:05 am
Post subject: Re: Suzuki GZ250, rear brake problem [Login to view extended thread Info.]
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thanks for that, sounds like something for me to get into at the
weekend,
I hadn't really considered that it could be a "simple" Clean and
Grease, I suspected
the operating arm would have had some kind of component that'd need
replacing.
this actually occurred about 2 or 3 years ago - and I think now it may
not hav ehad the service correctly done, cos he couldnt figure out why
it would not return to normal position after removal and reassembly -
and ended up adding a Spring on the end of the Cable to 'push' it back
into the release position - which obviously worked ok - up to now!
Lets hope this does the trick this time.
thanks again.
>
> The operating arm has seized in the brake drum plate. Common fault,
> that afflicts virtually all drum brakes sooner or later....
>
> See where the cable is attached, on the rear wheel? That's the
> operating arm. If it's not returning, then you remove the rear wheel,
> remove the brake plate, and remove the operating arm from its splines
> (mark where it sits with a small scratch or a punch mark or similar,
> so you put it back in exactly the same place afterwards).
>
> Knock out the pivot pin that the arm is splined to. Clean it up with
> wet & dry paper or similar. Grease it very lightly, with a decent moly
> or copper-based grease. Check it swivels nice and freely. Reassembly
> is the reverse of disassembly. Half an hour's work, maybe.
>
> Oh, clean all the brake dust out of the drum while you're there. >> Stay informed about: Suzuki GZ250, rear brake problem |
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External
Since: Jun 01, 2007
Posts: 12
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(Msg. 4) Posted: Wed Jul 11, 2007 8:09 am
Post subject: Re: Suzuki GZ250, rear brake problem [Login to view extended thread Info.]
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On 11 Jul, 13:05, neutrino <stua... RemoveThis @bluebottle.com> wrote:
> thanks for that, sounds like something for me to get into at the
> weekend,
> I hadn't really considered that it could be a "simple" Clean and
> Grease, I suspected
> the operating arm would have had some kind of component that'd need
> replacing.
> this actually occurred about 2 or 3 years ago - and I think now it may
> not hav ehad the service correctly done, cos he couldnt figure out why
> it would not return to normal position after removal and reassembly -
> and ended up adding a Spring on the end of the Cable to 'push' it back
> into the release position - which obviously worked ok - up to now!
Actually, a lot of drum brakes have an additional spring on the cable
or rod end, but the main returning force is done by the brake shoe
springs. But, I'll just reiterate: when you pull the operating arm off
the splines, mark its position so it goes back exactly as it was
before. >> Stay informed about: Suzuki GZ250, rear brake problem |
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