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I drained the hydraulic tank today in search of the metal particles I saw at the exit of the pump. I found not only metal particles but sand, dirt, rocks, and general crud. I haven't pulled the suction filter yet but I will later this week.
So I guess my question is: How worried should I be? There hasn't been any hydraulic issues. Everything seems to be working fine. I'm only going down this road because I went to fix a leak and found metal particles when I removed the high-pressure flange at the pump.
Of course I'm going to clean the tank. Any suggestions on how to do that? Also, when I remove the suction filter, what should I be concerned about when I put it back? (i.e. torque spec on that big banjo bolt, o-rings, etc)
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Cleaning the reservoir will be a lot easier if you completely remove the suction strainer (it's behind the big banjo fitting). A good rinse with kerosene should emulsify any crud in the bottom and flush it right out. Use an Air-Vac if you have compressed air handy.
So the shavings are probably from the manufacturing process. I've seen wierder things on new US made products.
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