For sure the 204 is industrial with double acting cylinders. The dust seal, shaft and cylinder interior are all in very good shape. I have two pix. First is the blown packings still on the shaft (lift pressure would be from right, pushing to left) (drop pressure would be from left to right). Note the color of the two previously white (nylon?) packings. You can see that they appear to have been blown toward the lift pressure side. The second pix is of the current set of packings still with twist-tie holding them in correct order but fanned out a bit to see the details. Note the vee shapes that nest from one to the next. I assume as you see them in the pix that they will install with lift pressure side to the right, kind of like this: [<<<<<<]
For ref this was the left-side cylinder. Right side also got dissembled and checked, and was in perfect shape. Both cylinders see exactly same pressures since their feeds are from tee'd lines from spool valve. Why did left side blow so bad and not the right side? [img][/img]
This post was edited by RetiredMiner at 15:34:08 06/13/13.
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