Hate them!

[Scott & Heather]

Hey, I have a whole box of those screws if you need replacements


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[Aaron]

The spring in the picture Eagle posted doesn't look right to me,generally the spring goes inside the web not on the outside,there will be a bent pin,for lack of a better term, that goes thru a hole in the web and the spring attaches to it,one on each shoe.

[eagle19952]

The spring in the picture Eagle posted doesn't look right to me,generally the spring goes inside the web not on the outside,there will be a bent pin,for lack of a better term, that goes thru a hole in the web and the spring attaches to it,one on each shoe.

There is more than one brake config... the picture is meant to be atypical.

Q brakes have springs on both sides.
other designs have one.

[Lee Bradley]

The springs and drum are easier to install if you back the s-cam completely off.  You should lube the s-cam rollers.

[eagle19952]

The springs and drum are easier to install if you back the s-cam completely off.  You should lube the s-cam rollers.

actually at this point u should change the S cam bushings if they are in need. then grease them.

I have never greased the rollers where do you do that ?
A tiny bit of grease on the contact points at the shoe on the S cam roller is advised, but not the cam to roller contact.
I put hundreds in dry...
greased the anchor ends tho..
YMMV

http://www.axletech.com/resources/service_manuals/pdf/MM_4.pdf

FWIW see figure 3.3

[tuccitown]

Thanks all,

I was specifically interested in the style used on the drive and tag axles of the PD 4501. The type eagle19952 seems to be a popular setup as that is the type I have found a lot of youtube videos on. The Scenic uses nuts instead of pins. I was wondering if anyone had any tips on how  shoes on this type are removed. I have removed and backed off the nuts be it's not budging.

Here are a couple pics:

Drive axle



Tag axle



Thanks,

Jack

[eagle19952]

pry the link plate off 

often a dimpled bolt implies a puller 

sorrry that's all I got...

[eagle19952]

the more i look at this...(tho I am not familiar with this design)...the condition of the shoes is good.
were I you I would post a pic of the s cam side....,
have some one step on the brakes and watch what happens..
then I think I would remove the return spring and see what is holding the brakes from expanding

are they adjusted properly ?

[Lee Bradley]

actually at this point u should change the S cam bushings if they are in need. then grease them.

I have never greased the rollers where do you do that ?
A tiny bit of grease on the contact points at the shoe on the S cam roller is advised, but not the cam to roller contact.
I put hundreds in dry...
greased the anchor ends tho..
YMMV

http://www.axletech.com/resources/service_manuals/pdf/MM_4.pdf

FWIW see figure 3.3

I lube the side and small ends so it will turn easily in the brake shoe; to keep the roller from sliding on the S-cam.  So of the new rollers have crosshatching to help them roll on the S-cam.