I managed to get the whole thing apart and thought I'd share my experiences. Here's my process:
1) Take filler hole plug out and drain oil. Used small screwdriver, wiggled in at side of plug, push all the way through and pivot bung out.
2) Undo the sealing screw. Used a punch and tapped gently. Then screwed off by hand.
3) Remove top v-part from inner cylinder. Placed jack in loose vice and used punch to tap in middle. That part then comes off easily.
4) Removed the main "bottle" part (plastic) with a filter removal pliers. Slide the whole thing off.
5) Placed piece of bicycle tubing over the main metal cylinder and used waterpump pliers to loosen and turn out. Any damage can be easily smoothed by using needle files.
6) Remove the inner cylinder from the outer by tapping with a punch. It comes out easily at the bottom.
7) Check seals and clean.
In my situation, the top o-ring of the inner cylinder was broken. Bought a bog of o-rings at Supercheap, but none worked. Found a set on RS that appears to have the same measurements.
"RS PRO Nitrile Rubber O-Ring, 19mm Bore, 21.6mm Outer Diameter". I haven't ordered it yet, but the measurements are similar to what I took when the thing was open.
Also, the outer cylinder's o-ring could use a replacement. I'll do the measurements next time it's open. (Unless someone has that handy, as I put mine together again pending the arrival of the o-rings...)
Hope this helps.
Cheers.
Ray
Attachment 173267Attachment 173268
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