[W126 Coupe] 560SEC Hydraulic Pump Rebuild

[Mike R.]

Here's a picture of a disassembled pump - hope it gets through!
 
Mike
 
From: mbcoupes-bounces at mbcoupes.com [mailto:mbcoupes-bounces at mbcoupes.com]
On Behalf Of Henry Viveiros
Sent: Wednesday, March 10, 2010 11:33 AM
To: 'Mercedes Coupes Mailing Lists'
Subject: [W126 Coupe] 560SEC Hydraulic Pump Rebuild
 
I have removed the pump and separated the front & rear parts. I have the
large O-ring that seals the front & rear halves, the paper gasket that goes
between the pump rear and the engine although some of the paper gasket
doesn't want to leave the pump. I've tried scraping it off with a piece of
wood so that I don't scratch the pump body-maybe soaking it will help. I
also have the shaft seal that is pressed into the pump body.
I don't know how to press the shaft seal out. Inside the pump I have removed
the brass bushing from inside the steel ring that pushes the 4 pistons and I
imagine I have to remove that steel ring to gain access to more O-rings ? ?
? Maybe that will give me access to the inside of the shaft seal to push it
out. Will there be much difficulty getting the little pistons back into
their places ?
Is there anything else I should know or do ?
Thanks guys.
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