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    2005 Cat 315cl cavitation issue

    I did not clean the suction strainer, should I have?
  2. A

    2005 Cat 315cl cavitation issue

    Thank you for the picture. If the plates were installed incorrectly, would they have gotten damaged?
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    2005 Cat 315cl cavitation issue

    I will check my work, take the port block back off, and check the port plates. There is a good chance that is the problem. Does anyone have a service procedure that shows the correct orientation for the port plates? If not, I'll just stop by cat and have them send me it over email.
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    2005 Cat 315cl cavitation issue

    I made sure to tighten everything up when I put it on. And It’s not leaking like it was before, so I don’t think that’s the problem. The small o-ring that was causing it to leak looked like the letter C, with an eighth of it gone. It’s quite a bit of work to take it off. I’m trying to decide...
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    2005 Cat 315cl cavitation issue

    Update I did the air purge procedure a couple of times and it still is making the noise. I checked the hoses I loosened before and they all are tight. I also poured hydraulic fluid down the case drain hose and loosened the fitting (circled in the picture) and fluid was coming out. Any other ideas?
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    2005 Cat 315cl cavitation issue

    I made sure to put hydraulic fluid into the case drain hose before starting the machine, I only started the machine for a couple seconds each time on low idle. I bought more fluid to make sure I have enough, I will try the air purge procedure tomorrow. The serial number is: CJC02905
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    2005 Cat 315cl cavitation issue

    I’ve got a Cat 315cl that I replaced an o-ring on the block port that bolts onto the main Hydraulic pump (picture below). To do this I drained all the hydraulic oil in the hydraulic tank and when I went to fill the hydraulic tank I put the oil that was in there before and some new cat branded...
    • Albert123
    • Thread
    • aeration block port cat 315cl cavitation foam in reservoir foamy fluid hydraulic oil noisy hydraulic pump
    • Replies: 17
    • Forum: Excavators
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