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Why should the hydraulic fan oil be changed every six months as
directed by the owner's manual? Thanks

Dan Williams
88WB38
Jackson, MS

I think that is overkill. I bet caution is because the tank reservoir
is where the expansion takes place and the cold oil airspace leaves
room for condensation. when you mix water with the hydrolic oil you get
a foam. the foam air can pack airpressure in the lines and screw with
the pump and rams. (the steering gets spongy) the fan pump and oil also
runs the steering on the pt's.--- In
WanderlodgeForum@yahoogroups.com, "maureyroad" wrote:
>
> Why should the hydraulic fan oil be changed every six months as
> directed by the owner's manual? Thanks
>
> Dan Williams
> 88WB38
> Jackson, MS
>

You are right, it runs the power steering
and fan using 10w – 30 motor oil. 20 quarts. I wonder if there is a
way to extend the change interval. The instructions say to run the engine
at 2100 rpm and if the red light on the rear switch panel comes on then change
the oil and filter. I don’t know how one man can run the engine at
2100 rpm and check the light on the rear switch panel at the same time.
Seems like the light should be on the dash somewhere.

From: WanderlodgeForum@yahoogroups.com [mailto:WanderlodgeForum@yahoogroups.com] On Behalf Of timvasqz

Sent: Wednesday, February 25, 2009
9:36 PM

To: WanderlodgeForum@yahoogroups.com

Subject: [WanderlodgeForum] Re:
hydraulic fan oil and filter

I think that is overkill. I bet caution is because the
tank reservoir

is where the expansion takes place and the cold oil airspace leaves

room for condensation. when you mix water with the hydrolic oil you get

a foam. the foam air can pack airpressure in the lines and screw with

the pump and rams. (the steering gets spongy) the fan pump and oil also

runs the steering on the pt's.--- In

"WanderlodgeForum%40yahoogroups.com",
"maureyroad" wrote:

>

> Why should the hydraulic fan oil be changed every six months as

> directed by the owner's manual? Thanks

>

> Dan Williams

> 88WB38

> Jackson, MS

>

Not shure but I think the light signals that the filter is clogged
enough to cause a filter bypass path to be used??? I think high
filter pressure opens a valve (and glows a light). the open valve
lets oil bypass the compramised filter to continue a path of which is
now unfiltered hydrolic oil???? many oil filters have a bypass
spring in the bottom to prevent pump damage. if the pump doesnt pass
fluid it burns up cause it spinns constant with or without fan or
steering use.

Greg ofTim&Greg
94ptCa

--- In WanderlodgeForum@yahoogroups.com, "Dan Williams"
wrote:
>
> You are right, it runs the power steering and fan using 10w - 30
motor oil.
> 20 quarts. I wonder if there is a way to extend the change
interval. The
> instructions say to run the engine at 2100 rpm and if the red light
on the
> rear switch panel comes on then change the oil and filter. I don't
know how
> one man can run the engine at 2100 rpm and check the light on the
rear
> switch panel at the same time. Seems like the light should be on
the dash
> somewhere.
>
>
>
> _____
>
> From: WanderlodgeForum@yahoogroups.com
> [mailto:WanderlodgeForum@yahoogroups.com] On Behalf Of timvasqz
> Sent: Wednesday, February 25, 2009 9:36 PM
> To: WanderlodgeForum@yahoogroups.com
> Subject: [WanderlodgeForum] Re: hydraulic fan oil and filter
>
>
>
> I think that is overkill. I bet caution is because the tank
reservoir
> is where the expansion takes place and the cold oil airspace leaves
> room for condensation. when you mix water with the hydrolic oil you
get
> a foam. the foam air can pack airpressure in the lines and screw
with
> the pump and rams. (the steering gets spongy) the fan pump and oil
also
> runs the steering on the pt's.--- In
> WanderlodgeForum@
> yahoogroups.com, "maureyroad" wrote:
> >
> > Why should the hydraulic fan oil be changed every six months as
> > directed by the owner's manual? Thanks
> >
> > Dan Williams
> > 88WB38
> > Jackson, MS
> >
>

Dan: I have run my oil in the power steering for more than 6 years
without a problem. Oil still looks clear and clean.

R.E. (Ron) Marabito, Dallas, TX 92WB40

--- In WanderlodgeForum@yahoogroups.com, "Dan Williams"
wrote:
>
> You are right, it runs the power steering and fan using 10w - 30
motor oil.
> 20 quarts. I wonder if there is a way to extend the change
interval. The
> instructions say to run the engine at 2100 rpm and if the red light
on the
> rear switch panel comes on then change the oil and filter. I don't
know how
> one man can run the engine at 2100 rpm and check the light on the rear
> switch panel at the same time. Seems like the light should be on
the dash
> somewhere.
>
>
>
> _____
>
> From: WanderlodgeForum@yahoogroups.com
> [mailto:WanderlodgeForum@yahoogroups.com] On Behalf Of timvasqz
> Sent: Wednesday, February 25, 2009 9:36 PM
> To: WanderlodgeForum@yahoogroups.com
> Subject: [WanderlodgeForum] Re: hydraulic fan oil and filter
>
>
>
> I think that is overkill. I bet caution is because the tank reservoir
> is where the expansion takes place and the cold oil airspace leaves
> room for condensation. when you mix water with the hydrolic oil you get
> a foam. the foam air can pack airpressure in the lines and screw with
> the pump and rams. (the steering gets spongy) the fan pump and oil also
> runs the steering on the pt's.--- In
> WanderlodgeForum@
> yahoogroups.com, "maureyroad" wrote:
> >
> > Why should the hydraulic fan oil be changed every six months as
> > directed by the owner's manual? Thanks
> >
> > Dan Williams
> > 88WB38
> > Jackson, MS
> >
>

Yes, mine is so clear that I wonder if it
is 10w-30 motor oil. But still my owners manual says in one place to
change it every six months and in another place to change it every oil change,
which would be twelve months. Does your manual also mention changing it?

Dan Williams

88WB38

Jackson, MS

From: WanderlodgeForum@yahoogroups.com [mailto:WanderlodgeForum@yahoogroups.com] On Behalf Of ronmarabito2002

Sent: Thursday, February 26, 2009
9:46 PM

To: WanderlodgeForum@yahoogroups.com

Subject: [WanderlodgeForum] Re:
hydraulic fan oil and filter

Dan: I have run my oil in the power steering for more
than 6 years

without a problem. Oil still looks clear and clean.

R.E. (Ron) Marabito, Dallas,
TX 92WB40

--- In "WanderlodgeForum%40yahoogroups.com",
"Dan Williams"

wrote:

>

> You are right, it runs the power steering and fan using 10w - 30

motor oil.

> 20 quarts. I wonder if there is a way to extend the change

interval. The

> instructions say to run the engine at 2100 rpm and if the red light

on the

> rear switch panel comes on then change the oil and filter. I don't

know how

> one man can run the engine at 2100 rpm and check the light on the rear

> switch panel at the same time. Seems like the light should be on

the dash

> somewhere.

>

>

>

> _____

>

> From: "WanderlodgeForum%40yahoogroups.com"

> [mailto:"WanderlodgeForum%40yahoogroups.com"]
On Behalf Of timvasqz

> Sent: Wednesday, February 25, 2009 9:36 PM

> To: "WanderlodgeForum%40yahoogroups.com"

> Subject: [WanderlodgeForum] Re: hydraulic fan oil and filter

>

>

>

> I think that is overkill. I bet caution is because the tank reservoir

> is where the expansion takes place and the cold oil airspace leaves

> room for condensation. when you mix water with the hydrolic oil you get

> a foam. the foam air can pack airpressure in the lines and screw with

> the pump and rams. (the steering gets spongy) the fan pump and oil also

> runs the steering on the pt's.--- In

> WanderlodgeForum@ Forum%40yahoogroups.com>

> yahoogroups.com, "maureyroad" wrote:

> >

> > Why should the hydraulic fan oil be changed every six months as

> > directed by the owner's manual? Thanks

> >

> > Dan Williams

> > 88WB38

> > Jackson, MS

> >

>

Like Ron's mine has been going four years since the change without adding any oil. All looks well, and yes my manual says to change oil and filters every 6 months or 25,000 whichever comes first. I am now about 5,000 miles away from 25K miles on the change. I will decide what to do at that point. I just cannot see changing those filters every 6 months. That would mean I change them before and after the winter. I have not driven the coach this winter but I start it once a month.
Leroy Eckert
1990 WB-40 Smoke N Mirrors
Dahlonega, GA
Royale Conversion

--- On Thu, 2/26/09, Dan Williams wrote:

From: Dan Williams
Subject: RE: [WanderlodgeForum] Re: hydraulic fan oil and
filter
To: WanderlodgeForum@yahoogroups.com
Date: Thursday, February 26, 2009, 11:23 PM

Yes, mine is so clear that I wonder if it
is 10w-30 motor oil. But still my owners manual says in one place to
change it every six months and in another place to change it every oil change,
which would be twelve months. Does your manual also mention changing it?

Dan Williams

88WB38

Jackson, MS

From: WanderlodgeForum@ yahoogroups. com [mailto: WanderlodgeForum@ yahoogroups. com ] On Behalf Of ronmarabito2002

Sent: Thursday, February 26, 2009
9:46 PM

To: WanderlodgeForum@ yahoogroups. com

Subject: [WanderlodgeForum] Re:
hydraulic fan oil and filter

Dan: I have run my oil in the power steering for more
than 6 years

without a problem. Oil still looks clear and clean.

R.E. (Ron) Marabito, Dallas ,
TX 92WB40

--- In "WanderlodgeForum%40yahoogroups.com",
"Dan Williams"

wrote:

>

> You are right, it runs the power steering and fan using 10w - 30

motor oil.

> 20 quarts. I wonder if there is a way to extend the change

interval. The

> instructions say to run the engine at 2100 rpm and if the red light

on the

> rear switch panel comes on then change the oil and filter. I don't

know how

> one man can run the engine at 2100 rpm and check the light on the rear

> switch panel at the same time. Seems like the light should be on

the dash

> somewhere.

>

>

>

> _____

>

> From: "WanderlodgeForum%40yahoogroups.com"

> [mailto:"WanderlodgeForum%40yahoogroups.com"]
On Behalf Of timvasqz

> Sent: Wednesday, February 25, 2009 9:36 PM

> To: "WanderlodgeForum%40yahoogroups.com"

> Subject: [WanderlodgeForum] Re: hydraulic fan oil and filter

>

>

>

> I think that is overkill. I bet caution is because the tank reservoir

> is where the expansion takes place and the cold oil airspace leaves

> room for condensation. when you mix water with the hydrolic oil you get

> a foam. the foam air can pack airpressure in the lines and screw with

> the pump and rams. (the steering gets spongy) the fan pump and oil also

> runs the steering on the pt's.--- In

> WanderlodgeForum@

> yahoogroups. com, "maureyroad" wrote:

> >

> > Why should the hydraulic fan oil be changed every six months as

> > directed by the owner's manual? Thanks

> >

> > Dan Williams

> > 88WB38

> > Jackson , MS

> >

>

Haven't had time to check the manual. It probably says the same as
yours, but several other scheduled items really don't need that much
attention either.

R.E. (Ron) Marabito, Dallas, TX 92WB40

--- In WanderlodgeForum@yahoogroups.com, "Dan Williams"
wrote:
>
> Yes, mine is so clear that I wonder if it is 10w-30 motor oil. But
still my
> owners manual says in one place to change it every six months and in
another
> place to change it every oil change, which would be twelve months. Does
> your manual also mention changing it?
>
>
>
> Dan Williams
>
> 88WB38
>
> Jackson, MS
>
>
>
> _____
>
> From: WanderlodgeForum@yahoogroups.com
> [mailto:WanderlodgeForum@yahoogroups.com] On Behalf Of ronmarabito2002
> Sent: Thursday, February 26, 2009 9:46 PM
> To: WanderlodgeForum@yahoogroups.com
> Subject: [WanderlodgeForum] Re: hydraulic fan oil and filter
>
>
>
> Dan: I have run my oil in the power steering for more than 6 years
> without a problem. Oil still looks clear and clean.
>
> R.E. (Ron) Marabito, Dallas, TX 92WB40
>
> --- In WanderlodgeForum@
> yahoogroups.com, "Dan Williams"
> wrote:
> >
> > You are right, it runs the power steering and fan using 10w - 30
> motor oil.
> > 20 quarts. I wonder if there is a way to extend the change
> interval. The
> > instructions say to run the engine at 2100 rpm and if the red light
> on the
> > rear switch panel comes on then change the oil and filter. I don't
> know how
> > one man can run the engine at 2100 rpm and check the light on the rear
> > switch panel at the same time. Seems like the light should be on
> the dash
> > somewhere.
> >
> >
> >
> > _____
> >
> > From: WanderlodgeForum@
> yahoogroups.com
> > [mailto:WanderlodgeForum@
> yahoogroups.com] On Behalf Of timvasqz
> > Sent: Wednesday, February 25, 2009 9:36 PM
> > To: WanderlodgeForum@
> yahoogroups.com
> > Subject: [WanderlodgeForum] Re: hydraulic fan oil and filter
> >
> >
> >
> > I think that is overkill. I bet caution is because the tank reservoir
> > is where the expansion takes place and the cold oil airspace leaves
> > room for condensation. when you mix water with the hydrolic oil
you get
> > a foam. the foam air can pack airpressure in the lines and screw with
> > the pump and rams. (the steering gets spongy) the fan pump and oil
also
> > runs the steering on the pt's.--- In
> > WanderlodgeForum@
> > yahoogroups.com, "maureyroad" wrote:
> > >
> > > Why should the hydraulic fan oil be changed every six months as
> > > directed by the owner's manual? Thanks
> > >
> > > Dan Williams
> > > 88WB38
> > > Jackson, MS
> > >
> >
>

Ron, I drew a sample from the canister and
sent it in for testing. The fluid may have been clear on top but the
fluid I drew from the bottom of the canister was brown. You know, it
would be nice if someone with some fleet management software could enter all
our coaches in a data base and help manage the maintenance and record keeping
for us. I should have the lab results back by mid week and can give you
the results if you are interested.

Dan Williams, 88WB38, Jackson, MS

From: WanderlodgeForum@yahoogroups.com [mailto:WanderlodgeForum@yahoogroups.com] On Behalf Of ronmarabito2002

Sent: Friday, February 27, 2009
4:47 PM

To: WanderlodgeForum@yahoogroups.com

Subject: [WanderlodgeForum] Re:
hydraulic fan oil and filter

Haven't had time to check the manual. It probably says
the same as

yours, but several other scheduled items really don't need that much

attention either.

R.E. (Ron) Marabito, Dallas,
TX 92WB40

--- In "WanderlodgeForum%40yahoogroups.com",
"Dan Williams"

wrote:

>

> Yes, mine is so clear that I wonder if it is 10w-30 motor oil. But

still my

> owners manual says in one place to change it every six months and in

another

> place to change it every oil change, which would be twelve months. Does

> your manual also mention changing it?

>

>

>

> Dan Williams

>

> 88WB38

>

> Jackson, MS

>

>

>

> _____

>

> From: "WanderlodgeForum%40yahoogroups.com"

> [mailto:"WanderlodgeForum%40yahoogroups.com"]
On Behalf Of ronmarabito2002

> Sent: Thursday, February 26, 2009 9:46 PM

> To: "WanderlodgeForum%40yahoogroups.com"

> Subject: [WanderlodgeForum] Re: hydraulic fan oil and filter

>

>

>

> Dan: I have run my oil in the power steering for more than 6 years

> without a problem. Oil still looks clear and clean.

>

> R.E. (Ron) Marabito, Dallas,
TX 92WB40

>

> --- In WanderlodgeForum@ Forum%40yahoogroups.com>

> yahoogroups.com, "Dan Williams"

> wrote:

> >

> > You are right, it runs the power steering and fan using 10w - 30

> motor oil.

> > 20 quarts. I wonder if there is a way to extend the change

> interval. The

> > instructions say to run the engine at 2100 rpm and if the red light

> on the

> > rear switch panel comes on then change the oil and filter. I don't

> know how

> > one man can run the engine at 2100 rpm and check the light on the
rear

> > switch panel at the same time. Seems like the light should be on

> the dash

> > somewhere.

> >

> >

> >

> > _____

> >

> > From: WanderlodgeForum@ Forum%40yahoogroups.com>

> yahoogroups.com

> > [mailto:WanderlodgeForum@ Forum%40yahoogroups.com>

> yahoogroups.com] On Behalf Of timvasqz

> > Sent: Wednesday, February 25, 2009 9:36 PM

> > To: WanderlodgeForum@ Forum%40yahoogroups.com>

> yahoogroups.com

> > Subject: [WanderlodgeForum] Re: hydraulic fan oil and filter

> >

> >

> >

> > I think that is overkill. I bet caution is because the tank reservoir

> > is where the expansion takes place and the cold oil airspace leaves

> > room for condensation. when you mix water with the hydrolic oil

you get

> > a foam. the foam air can pack airpressure in the lines and screw with

> > the pump and rams. (the steering gets spongy) the fan pump and oil

also

> > runs the steering on the pt's.--- In

> > WanderlodgeForum@ Forum%40yahoogroups.com>

> > yahoogroups.com, "maureyroad" wrote:

> > >

> > > Why should the hydraulic fan oil be changed every six months as

> > > directed by the owner's manual? Thanks

> > >

> > > Dan Williams

> > > 88WB38

> > > Jackson, MS

> > >

> >

>

Dan: Have you had the coach out on the road recently. If oil is
brown on the bottom, then it sounds like it has been setting still and
some solids have settled. Please do inform me of the analysis.

I use a software to keep all my records. It is called Rolling Stock.
It was designed by a friend of mine and several fleets use it. Not
sure what it cost right now. I was a Beta Tester on it several years
back. If you are interested in it, I'll send you a URL to look at it.
It has a Reminders page to let you know when the next services are due.

R.E. (Ron) Marabito, Dallas, TX 92WB40

--- In WanderlodgeForum@yahoogroups.com, "Dan Williams"
wrote:
>
> Ron, I drew a sample from the canister and sent it in for testing. The
> fluid may have been clear on top but the fluid I drew from the
bottom of the
> canister was brown. You know, it would be nice if someone with some
fleet
> management software could enter all our coaches in a data base and help
> manage the maintenance and record keeping for us. I should have the lab
> results back by mid week and can give you the results if you are
interested.
>
> Dan Williams, 88WB38, Jackson, MS
>
>
>
> _____
>
> From: WanderlodgeForum@yahoogroups.com
> [mailto:WanderlodgeForum@yahoogroups.com] On Behalf Of ronmarabito2002
> Sent: Friday, February 27, 2009 4:47 PM
> To: WanderlodgeForum@yahoogroups.com
> Subject: [WanderlodgeForum] Re: hydraulic fan oil and filter
>
>
>
> Haven't had time to check the manual. It probably says the same as
> yours, but several other scheduled items really don't need that much
> attention either.
>
> R.E. (Ron) Marabito, Dallas, TX 92WB40
>
> --- In WanderlodgeForum@
> yahoogroups.com, "Dan Williams"
> wrote:
> >
> > Yes, mine is so clear that I wonder if it is 10w-30 motor oil. But
> still my
> > owners manual says in one place to change it every six months and in
> another
> > place to change it every oil change, which would be twelve months.
Does
> > your manual also mention changing it?
> >
> >
> >
> > Dan Williams
> >
> > 88WB38
> >
> > Jackson, MS
> >
> >
> >
> > _____
> >
> > From: WanderlodgeForum@
> yahoogroups.com
> > [mailto:WanderlodgeForum@
> yahoogroups.com] On Behalf Of ronmarabito2002
> > Sent: Thursday, February 26, 2009 9:46 PM
> > To: WanderlodgeForum@
> yahoogroups.com
> > Subject: [WanderlodgeForum] Re: hydraulic fan oil and filter
> >
> >
> >
> > Dan: I have run my oil in the power steering for more than 6 years
> > without a problem. Oil still looks clear and clean.
> >
> > R.E. (Ron) Marabito, Dallas, TX 92WB40
> >
> > --- In WanderlodgeForum@
> > yahoogroups.com, "Dan Williams"
> > wrote:
> > >
> > > You are right, it runs the power steering and fan using 10w - 30
> > motor oil.
> > > 20 quarts. I wonder if there is a way to extend the change
> > interval. The
> > > instructions say to run the engine at 2100 rpm and if the red light
> > on the
> > > rear switch panel comes on then change the oil and filter. I don't
> > know how
> > > one man can run the engine at 2100 rpm and check the light on
the rear
> > > switch panel at the same time. Seems like the light should be on
> > the dash
> > > somewhere.
> > >
> > >
> > >
> > > _____
> > >
> > > From: WanderlodgeForum@
> > yahoogroups.com
> > > [mailto:WanderlodgeForum@

> > yahoogroups.com] On Behalf Of timvasqz
> > > Sent: Wednesday, February 25, 2009 9:36 PM
> > > To: WanderlodgeForum@
> > yahoogroups.com
> > > Subject: [WanderlodgeForum] Re: hydraulic fan oil and filter
> > >
> > >
> > >
> > > I think that is overkill. I bet caution is because the tank
reservoir
> > > is where the expansion takes place and the cold oil airspace leaves
> > > room for condensation. when you mix water with the hydrolic oil
> you get
> > > a foam. the foam air can pack airpressure in the lines and screw
with
> > > the pump and rams. (the steering gets spongy) the fan pump and oil
> also
> > > runs the steering on the pt's.--- In
> > > WanderlodgeForum@
> > > yahoogroups.com, "maureyroad" wrote:
> > > >
> > > > Why should the hydraulic fan oil be changed every six months as
> > > > directed by the owner's manual? Thanks
> > > >
> > > > Dan Williams
> > > > 88WB38
> > > > Jackson, MS
> > > >
> > >
> >
>

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