[tcb] Re: help
- From: Steve Chamberlain <steveraychamberlain@xxxxxxxxx>
- To: tcb@xxxxxxxxxxxxx
- Date: Thu, 29 Dec 2011 14:48:10 -0600
You can adjust the brake shoe until they start to drag but they could be
dragging on the top end (or bottom end if you are inclined to think from
the bottom up) and the bottom end is not making contact. You have to adjust
so that the full surface of the shoe makes contact at the same time.
On Fri, Dec 23, 2011 at 9:56 AM, sammie smith
<bugcollections@xxxxxxxxxxxxx>wrote:
> Steve: I don't know what you mean by top to bottom adjustment. Help me
> out.
>
> ------------------------------
> *From:* Steve Chamberlain <steveraychamberlain@xxxxxxxxx>
> *To:* tcb@xxxxxxxxxxxxx
> *Sent:* Fri, December 23, 2011 9:30:36 AM
> *Subject:* [tcb] Re: help
>
> Good advice Sammie, however Tyler was refering to 'top to bottom'
> adjustment. After working with Tyler about a week we took it to
> Metaphysical VW. It took Toby about 20 minutes of equalizing everything and
> he had good pedal. Also when you replace the line from top cyliner to
> bottom cylinder make sure to bend the tube enough to get it off the center
> part of the drum. Doesn't take long to wear a hole in the brake line.
>
> On Fri, Dec 23, 2011 at 9:04 AM, sammie smith <
> bugcollections@xxxxxxxxxxxxx> wrote:
>
>> Good point Tyler. The way I adjust them to make sure that is not a
>> problem: Adjust one shoe until it almost locks the brake, back it off a
>> couple of clicks, adjust the other shoe until it almost locks the brake
>> then back it off a couple of clicks. You should then have both shoes just
>> making contact with the drum. Also, assuming you are doing a complete
>> brake job; remove both adjusters, unscrew the screw from the star wheel,
>> clean both thoroughly, run a wire wheel on both the threads of the screw
>> and the contact area of the star adjuster, reassemble using Permatex anti
>> seize on the threads and the surface area of the star adjuster. This
>> assures that they will turn freely until the next brake job.
>>
>> ------------------------------
>> *From:* Tyler Chamberlain <hexarobi@xxxxxxxxx>
>> *To:* tcb@xxxxxxxxxxxxx
>> *Sent:* Thu, December 22, 2011 11:25:32 PM
>> *Subject:* [tcb] Re: help
>>
>> Had a similar problem on my bus. I seemed to be getting them adjusted
>> properly because they would just barely scrape when turning, but one the
>> adjusters was all the way out and the other was all the way in, so they
>> wouldn't expand correctly when pressure was applied. Might be worth
>> checking.
>>
>> On Thu, Dec 22, 2011 at 9:40 PM, sammie smith <
>> bugcollections@xxxxxxxxxxxxx> wrote:
>>
>>> I don't know. Get under there and feel the play. Again, there should
>>> be about 2-3mm of play between the first movement of the pedal and when it
>>> engages the mc plunger.
>>>
>>> ------------------------------
>>> *From:* Rusty Herring <rustmah1@xxxxxxx>
>>> *To:* Texas Coalition of Busses <tcb@xxxxxxxxxxxxx>
>>> *Sent:* Thu, December 22, 2011 8:23:53 PM
>>> *Subject:* [tcb] Re: help
>>>
>>> I did try adjusting the rod to get the pedal to come up higher inside
>>> the car . could i have gone to far?
>>>
>>> If it can happen it will hapen to me????
>>>
>>> ------------------------------
>>> Date: Thu, 22 Dec 2011 18:19:46 -0800
>>> From: bugcollections@xxxxxxxxxxxxx
>>> Subject: [tcb] Re: help
>>> To: tcb@xxxxxxxxxxxxx
>>>
>>> I don't know what you mean by too far. It is supposed to be adjusted
>>> so that it is not firm up against the plunger in the MC, but not too much
>>> play. As stated, I think the free play is like 2 to 3 mm. If it has too
>>> much play the pedal will not depress the MC completely and if it has no
>>> free play or pressure on the MC then there is always pressure in the system
>>> and your brakes will drag. Your problem may be that there is too much
>>> distance (play) between the rod and the mc and you are not getting complete
>>> depression of the mc when you press the pedal. The rod is adjustable.
>>>
>>> I guess in simple terms you can say that your brake system has two
>>> adjustments: The brake shoes and the pedal plunger to the MC. If either
>>> is not adjusted properly it can result in a very low pedal before your
>>> brakes are engaged, or the reverse; you always have a full pedal and your
>>> shoes are contacting the drums all the time. Obviously you do not want
>>> either condition.
>>>
>>> ------------------------------
>>> *From:* Rusty Herring <rustmah1@xxxxxxx>
>>> *To:* Texas Coalition of Busses <tcb@xxxxxxxxxxxxx>
>>> *Sent:* Thu, December 22, 2011 8:08:36 PM
>>> *Subject:* [tcb] Re: help
>>>
>>> can you adjust the rod out of the master cyclinder to far?
>>>
>>> If it can happen it will hapen to me????
>>>
>>> ------------------------------
>>> Date: Thu, 22 Dec 2011 17:52:55 -0800
>>> From: bugcollections@xxxxxxxxxxxxx
>>> Subject: [tcb] Re: help
>>> To: tcb@xxxxxxxxxxxxx
>>>
>>> Well, Denis there is a third: Mentioned in my first post; there may
>>> be too much play between the pedal push rod and the plunger on the MC.
>>> Adjust according to specs.
>>>
>>> ------------------------------
>>> *From:* Denis Dodson <coocoo@xxxxxxx>
>>> *To:* tcb@xxxxxxxxxxxxx
>>> *Sent:* Thu, December 22, 2011 7:42:35 PM
>>> *Subject:* [tcb] Re: help
>>>
>>> There are only the two things possible, I think. Adjust the brakes and
>>> then bleed. Make sure that you keep fluid in the reservoir and then bleed
>>> again, oh yeah, bleed again.
>>>
>>>
>>>
>>> I am not sure your rear wheels will “lock up”.
>>>
>>>
>>>
>>> *From:* tcb-bounce@xxxxxxxxxxxxx [mailto:tcb-bounce@xxxxxxxxxxxxx] *On
>>> Behalf Of *Brad Tripp
>>> *Sent:* Thursday, December 22, 2011 7:35 PM
>>> *To:* tcb@xxxxxxxxxxxxx
>>> *Subject:* [tcb] Re: help
>>>
>>>
>>> Rusty did you adjust your rear brakes correctly also
>>>
>>> On Dec 22, 2011 7:02 PM, "Rusty Herring" <rustmah1@xxxxxxx> wrote:
>>>
>>> where do i find your post on this subject?
>>>
>>> If it can happen it will hapen to me????
>>>
>>> ------------------------------
>>>
>>> Date: Thu, 22 Dec 2011 16:43:18 -0800
>>> From: bugcollections@xxxxxxxxxxxxx
>>> Subject: [tcb] Re: help
>>> To: tcb@xxxxxxxxxxxxx
>>>
>>> 67s don't have brake pads. They are drum brakes. And see my post on
>>> adjusting the shoes.
>>>
>>>
>>> ------------------------------
>>>
>>> *From:* Duncan <whocanduncan1@xxxxxxxxx>
>>> *To:* TCB <tcb@xxxxxxxxxxxxx>
>>> *Sent:* Thu, December 22, 2011 5:40:41 PM
>>> *Subject:* [tcb] Re: help
>>>
>>> Sorry if this seems obvious but you don't mention if you adjusted the
>>> brake pads?
>>> ------------------------------
>>>
>>> *From: *Rusty Herring <rustmah1@xxxxxxx>
>>>
>>> *Sender: *tcb-bounce@xxxxxxxxxxxxx
>>>
>>> *Date: *Thu, 22 Dec 2011 17:31:45 -0600
>>>
>>> *To: *Texas Coalition of Busses<tcb@xxxxxxxxxxxxx>
>>>
>>> *ReplyTo: *tcb@xxxxxxxxxxxxx
>>>
>>> *Subject: *[tcb] Re: help
>>>
>>>
>>>
>>> I'm trying to fix the brake system on a 67 deluxe buse.
>>> Have changed out the mastercyclinder, all four wheel cycliners on the
>>> front,new drums on front.
>>> I've ran 64oz of brake fluid thru all the system(bleeding all wheel
>>> cycliners front and back) no more air, even bled mastercyclinder, all hoses
>>> look new.
>>> the brake pedal goes almost to the floor before the front brakes will
>>> lock up. the rear brakes want lockup. they will if you pull the e brake.
>>> i'm at a loss to figure this out .
>>> can any body offer any sugestions on what to try next??????
>>>
>>>
>>>
>>> If it can happen it will hapen to me????
>>>
>>> ------------------------------
>>>
>>> Date: Thu, 22 Dec 2011 08:54:41 -0600
>>> Subject: [tcb] Bus sighting
>>> From: evil.scientist.boo@xxxxxxxxx
>>> To: tcb@xxxxxxxxxxxxx
>>>
>>> In the admirals club at LAX there is a large photograph about 4 by 6 on
>>> the wall. It is a photo of the desert southwest, possibly Mexico, with a
>>> 70s bus in it driving on a dirt road. Lime green and yellow.
>>>
>>
>>
>>
>> --
>> -Tyler Chamberlain
>>
>
>
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