[AT] Hydraulic oil vs. motor oil

[Lew Best]

Pump seal probably no big job to fix IF pump easy to get off (but they're
usually buried & hard to get to)  :(  Looks to me like oil less likely to
damage hydraulic system than hydraulic fluid damaging the engine since I'd
think it might thin the engine oil down?

Lew near Waco, TX


-----Original Message-----
From: at-bounces at lists.antique-tractor.com
[mailto:at-bounces at lists.antique-tractor.com] On Behalf Of jahaze at aol.com
Sent: Monday, June 13, 2011 12:13 PM
To: at at lists.antique-tractor.com
Subject: Re: [AT] Hydraulic oil vs. motor oil


Good idea Lew, I didn't think of that.  I guess it would ensure that if
there were going to be any problems, this would minimize them.  I've been
putting off fixing it for quite some time, I always figured that the fluid
was leaking out through bad cylinder seals.  Then this weekend, I was
starting to really go through the hyrdaulic fluid and noticed that the crank
case was over full.  It took me awhile, but I finally put two and two
together and a little light bulb went off in my head.  There must be a
gasket, or seal between the pump and the engine block that's leaking.  I
don't know how hard it will be to fix, but I'd really like to finish moving
some dirt so I can get started on my garage expansion project.  Thanks to
everyone for your help.

Enjoy, Joe






-----Original Message-----
From: Lew Best <lew at lewslittlefarm.com>
To: 'Antique tractor email discussion group' <at at lists.antique-tractor.com>
Sent: Mon, Jun 13, 2011 12:41 pm
Subject: Re: [AT] Hydraulic oil vs. motor oil


A friend of mine has a drilling company (drills for large poles, pilings,
tc. in the earth); his drilling trucks have hydraulic drills on them.  He
ays he just uses non-detergent oil; cheaper than hydraulic fluid & works as
ell.  Might put oil in the ps pump instead of hydraulic fluid?  Years ago I
ad an old bobcat & the dealer said I could use atf, 30 wt oil or hydraulic
luid in it.
Lew near Waco, TX
-----Original Message-----
rom: at-bounces at lists.antique-tractor.com
mailto:at-bounces at lists.antique-tractor.com] On Behalf Of jahaze at aol.com
ent: Monday, June 13, 2011 9:38 AM
o: at at lists.antique-tractor.com
ubject: [AT] Hydraulic oil vs. motor oil

I have a leak between the power steering pump and the engine block on my
ase 430 industrial.  I have about two hours of run time left before I
inish the project I'm working on.  Will it hurt the engine if I keep using
t knowing that the engine oil is getting contaminated by hydraulic oil?  I
an tear it all apart before I finish, but I'd really like to get this
roject done first.
Enjoy, Joe

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