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<p>[QUOTE=&quot;usmc60, post: 2572696, member: 76739&quot;]GD I question your statement not disagreeing with on what you&#039;ve done or&nbsp; been around because I do not know you so I cannot say. I can only go by your statements this particular press you&#039;re talking about does Not use grease. A lubricant base and without buying the service manual on this particular press a hydraulic reservoir is probably filled with a lubricating liquid about the viscosity of transmission fluid. And I would personally like to see the reservoir And the set up to the RAM itself and I can obtain them by purchasing the service manual but frankly I really don&#039;t care about it. I know enough about hydraulics because I worked with Them most of my life and repaired thousands of seals and pulled&nbsp;&nbsp; hundreds of pistons – the big shiny thing that is called the RAM. Or little depending on the size. And GD if you&#039;re so knowledgeable what coating is commonly used in hydraulic pistons.? I myself have been around improperly maintained hydraulics most of my life. And yes sir it can be messy.I can only take your word for it that you been up next to the crawler. Possibly the time that you were actually there they were still having problems with There lubrication. And yes sir on the adjusting pistons on each individual crawler is filled with a high velocity grease in the track adjustment piston. And another thing that makes me doubt your statement about grease everywhere especially on the crawler. Makes me want to asked you this question. Which I know personally what is a no no around liquid hydrogen and nitrogen.? And that would especially apply&nbsp; to the crawler that&#039;s hauling thousands of pounds&nbsp; to the launchpad.Another question what year did you become an operating engineer.Because the master mechanics that actually operate the crawlers and service the crawlers are all master mechanic operating engineers.Or at least they were.See in the last party Of your statement has me to a little confused. The only grease I&#039;ve ever encountered on a hydraulic cylinder was an idle adjuster cylinder when the seal&nbsp; go they go. Have repaired my share of idler adjuster hydraulics. And yes or you can get grease everywhere. Now if you&#039;re finding grease on a hydraulic press you have a big problem somewhere.. Because every hydraulic system I&#039;ve worked on over the years concerning presses do not use a grease because the viscosity is way too high they use a hydraulic based lubricant. And yes if you touch the surface of the piston and I suggest you do this while it is cold so you do not get burned you will encounter a very light coat of hydraulic fluid on that piston. And it&#039;s really even hard to tell because most body oils are thicker&nbsp; viscosity then some of the hydraulic fluids.Let&#039;s also not forget the crawler has been in use for over 50 years now.usmc60[/QUOTE]</p><p><br /></p>

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