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Piston removal
- Thread starter kevlh20
- Start date
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In what?
Under normal circumstances, to remove a piston, you have to remove the cylinder jug, then once the piston is exposed, you'll need to have a "pisont pin puller" P/N 290 877 092 to remove the pin and bearings. Then the piston will be able to be removed.
Myself, I use a 8" long, 3/8" bolt, with a couple washers and a deep well socket. In doing this, which if your not "McGyver", you may not see how it would work, get the bolt, put a 3/8" washer (good size washer) and put it on the bolt. Slide a deep well socket on the bolt, that's inside diameter is just over the outside diameter of the pin. Then, put the bolt and socket assembly through the piston pin. (Oh, remove the "c" clip on the pin first). Then, you'll have to have a 3/8" washer that is the same outside diameter as the pin (or a tad under, use double washers) grind one down if you have to. Then, put the nut on and draw it down tight. Then, when you tighten the bolt, the pin should be extraced into the inside of the deep well socket. In doing this, remember, if it binds and the pressure you excert is really high, then you may be binding. This pin is tight, but not so tight that you need a 5 foot cheater bar on your wrench to remove it.
That's my "McGyver" pin extractor tool. If you choose this route, make sure that the tools, bolts, washers and sockets are all within the tolerances of the holes diameters....
Under normal circumstances, to remove a piston, you have to remove the cylinder jug, then once the piston is exposed, you'll need to have a "pisont pin puller" P/N 290 877 092 to remove the pin and bearings. Then the piston will be able to be removed.
Myself, I use a 8" long, 3/8" bolt, with a couple washers and a deep well socket. In doing this, which if your not "McGyver", you may not see how it would work, get the bolt, put a 3/8" washer (good size washer) and put it on the bolt. Slide a deep well socket on the bolt, that's inside diameter is just over the outside diameter of the pin. Then, put the bolt and socket assembly through the piston pin. (Oh, remove the "c" clip on the pin first). Then, you'll have to have a 3/8" washer that is the same outside diameter as the pin (or a tad under, use double washers) grind one down if you have to. Then, put the nut on and draw it down tight. Then, when you tighten the bolt, the pin should be extraced into the inside of the deep well socket. In doing this, remember, if it binds and the pressure you excert is really high, then you may be binding. This pin is tight, but not so tight that you need a 5 foot cheater bar on your wrench to remove it.
That's my "McGyver" pin extractor tool. If you choose this route, make sure that the tools, bolts, washers and sockets are all within the tolerances of the holes diameters....
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