Didn't know the roller bearing section was serviceable or about the o-ring location.

Just finished tearing down my extra pump...thanks for showing the exploded view of the roller section. Now to chase down 2 more parts.


I didn't find ANY of the 3 o-rings shown above during my tear down. I did locate the small o-ring, 003 997 82 45, in my rebuild kit. Do i need the other 2 o-rings Stretch shows or just the crush washers?

Does the small o-ring just sit on the shaft during reassembly?
How do i extract the piston, toward the roller bearing or towards the 30mm plug? After looking at the cylinder section with better light i see a stepped section on the roller side preventing travel so towards the plug, right?


chris

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1985 300D, 250k
1980 300SD, 180K