I have an older Towmotor 30,000 lbs forklift.

It does have power steering where a hydraulic cylinder provides
assistance. It has a power steering gearbox of unknown (to me)
construction.

The problem that it has developed is that power steering works great
when I turn steering wheel to the left, and it does not work when I
attempt to turn it right. Instead, turning right requires an enormous
effort.

What could the problem be here, thanks. Maybe there are some valves in
the power steering gearbox that malfunction?

i

On Tue, 02 Sep 2014 22:03:18 -0500, Ignoramus16252
wrote:

I have an older Towmotor 30,000 lbs forklift.

It does have power steering where a hydraulic cylinder provides
assistance. It has a power steering gearbox of unknown (to me)
construction.

The problem that it has developed is that power steering works great
when I turn steering wheel to the left, and it does not work when I
attempt to turn it right. Instead, turning right requires an enormous
effort.

What could the problem be here, thanks. Maybe there are some valves in
the power steering gearbox that malfunction?

i
The steering valve is malfunctioning (or shot)

On Tue, 02 Sep 2014 22:03:18 -0500, Ignoramus16252
wrote:

I have an older Towmotor 30,000 lbs forklift.

It does have power steering where a hydraulic cylinder provides
assistance. It has a power steering gearbox of unknown (to me)
construction.

The problem that it has developed is that power steering works great
when I turn steering wheel to the left, and it does not work when I
attempt to turn it right. Instead, turning right requires an enormous
effort.

What could the problem be here, thanks. Maybe there are some valves in
the power steering gearbox that malfunction?

i
That unit will LIKELY use a manual box with a linkage mounted valve
like on a '63 Ford Galaxy etc -

On Tue, 02 Sep 2014 22:03:18 -0500, Ignoramus16252 wrote:

I have an older Towmotor 30,000 lbs forklift.

It does have power steering where a hydraulic cylinder provides
assistance. It has a power steering gearbox of unknown (to me)
construction.

The problem that it has developed is that power steering works great
when I turn steering wheel to the left, and it does not work when I
attempt to turn it right. Instead, turning right requires an enormous
effort.

What could the problem be here, thanks. Maybe there are some valves in
the power steering gearbox that malfunction?

i

AFAIK, power steering works by having the force transmitted through a set
of valves, that make the thing torque one way or the other depending on
how it's being pushed.

If the valve is clogged, or stuck, it would cause what you see.

--

Tim Wescott
Wescott Design Services
http://www.wescottdesign.com

On 09/03/2014 4:28 PM, Tim Wescott wrote:
....

AFAIK, power steering works by having the force transmitted through a set
of valves, that make the thing torque one way or the other depending on
how it's being pushed.

If the valve is clogged, or stuck, it would cause what you see.

Or the linkage broke...

--

On 2014-09-03, Tim Wescott wrote:
On Tue, 02 Sep 2014 22:03:18 -0500, Ignoramus16252 wrote:

I have an older Towmotor 30,000 lbs forklift.

It does have power steering where a hydraulic cylinder provides
assistance. It has a power steering gearbox of unknown (to me)
construction.

The problem that it has developed is that power steering works great
when I turn steering wheel to the left, and it does not work when I
attempt to turn it right. Instead, turning right requires an enormous
effort.

What could the problem be here, thanks. Maybe there are some valves in
the power steering gearbox that malfunction?

i

AFAIK, power steering works by having the force transmitted through a set
of valves, that make the thing torque one way or the other depending on
how it's being pushed.

If the valve is clogged, or stuck, it would cause what you see.


I bought an all-hydraulic replacement for this system today. It was at
some point damaged by water and rust and was beyond repair.

On Wed, 03 Sep 2014 17:06:38 -0500, dpb wrote:

On 09/03/2014 4:28 PM, Tim Wescott wrote:
...

AFAIK, power steering works by having the force transmitted through a set
of valves, that make the thing torque one way or the other depending on
how it's being pushed.

If the valve is clogged, or stuck, it would cause what you see.

Or the linkage broke...
Or the cyl is bypassing in one direction (or one cyl is bypassing on
a dual cyl system (vs dual acting cyl)

On 9/2/2014 10:03 PM, Ignoramus16252 wrote:
I have an older Towmotor 30,000 lbs forklift.

It does have power steering where a hydraulic cylinder provides
assistance. It has a power steering gearbox of unknown (to me)
construction.

The problem that it has developed is that power steering works great
when I turn steering wheel to the left, and it does not work when I
attempt to turn it right. Instead, turning right requires an enormous
effort.

What could the problem be here, thanks. Maybe there are some valves in
the power steering gearbox that malfunction?

i

Sounds to me a hose is pinched or a metal 'hose' is flat.
If you can turn one way, the pump and storage is valid and working.
Turning the other way is a valve, or hose issue.

All I can say - maybe a detachable hose snapped off.

Martin

On Wed, 03 Sep 2014 21:50:45 -0400, wrote:

On Wed, 03 Sep 2014 17:06:38 -0500, dpb wrote:

On 09/03/2014 4:28 PM, Tim Wescott wrote:
...

AFAIK, power steering works by having the force transmitted through a set
of valves, that make the thing torque one way or the other depending on
how it's being pushed.

Right. They use a center-normal spool valve and strong springs on
either side. When you turn the steering wheel, it puts force on the
valve, opening an orifice for power (hyd) assist. When the force is
lower, it allows the spring to close the valve, removing the assist.
But I don't have to tell _you_ that. This is for the others.

If the valve is clogged, or stuck, it would cause what you see.

It sounds like the assist valve sat under water, according to Ig's
description of the replacement scenario.


Or the linkage broke...
Or the cyl is bypassing in one direction (or one cyl is bypassing on
a dual cyl system (vs dual acting cyl)

Ayup, 2 more possibles on the descending order of probability.
Lack of maintenance is highest on the list for stuck valve causes.

--
Let no man imagine that he has no influence. Whoever he may be, and
wherever he may be placed, the man who thinks becomes a light and a power.
-- Henry George

Ignoramus16243 wrote:

On 2014-09-03, Tim Wescott wrote:
On Tue, 02 Sep 2014 22:03:18 -0500, Ignoramus16252 wrote:

I have an older Towmotor 30,000 lbs forklift.

It does have power steering where a hydraulic cylinder provides
assistance. It has a power steering gearbox of unknown (to me)
construction.

The problem that it has developed is that power steering works great
when I turn steering wheel to the left, and it does not work when I
attempt to turn it right. Instead, turning right requires an enormous
effort.

What could the problem be here, thanks. Maybe there are some valves in
the power steering gearbox that malfunction?

i

AFAIK, power steering works by having the force transmitted through a set
of valves, that make the thing torque one way or the other depending on
how it's being pushed.

If the valve is clogged, or stuck, it would cause what you see.


I bought an all-hydraulic replacement for this system today. It was at
some point damaged by water and rust and was beyond repair.

Just be careful to check your hydraulic pressures, the hydraulic
steering systems often don't operate at the same pressure as the
hydraulics for the rest of the system, i.e. the mast.

I bought an all-hydraulic replacement for this system today. It was at
some point damaged by water and rust and was beyond repair.

glad you can find parts.

i have an old hyster, no parts available. When it breaks, its scrap.

Got a DEAL on an international backhoe. Found out i couldn't get parts
so i sent it on down the road before i got caught with it.

I'm surprised you can get anything for a tow motor.

Karl

On 2014-09-04, Pete C. wrote:

Ignoramus16243 wrote:

On 2014-09-03, Tim Wescott wrote:
On Tue, 02 Sep 2014 22:03:18 -0500, Ignoramus16252 wrote:

I have an older Towmotor 30,000 lbs forklift.

It does have power steering where a hydraulic cylinder provides
assistance. It has a power steering gearbox of unknown (to me)
construction.

The problem that it has developed is that power steering works great
when I turn steering wheel to the left, and it does not work when I
attempt to turn it right. Instead, turning right requires an enormous
effort.

What could the problem be here, thanks. Maybe there are some valves in
the power steering gearbox that malfunction?

i

AFAIK, power steering works by having the force transmitted through a set
of valves, that make the thing torque one way or the other depending on
how it's being pushed.

If the valve is clogged, or stuck, it would cause what you see.


I bought an all-hydraulic replacement for this system today. It was at
some point damaged by water and rust and was beyond repair.

Just be careful to check your hydraulic pressures, the hydraulic
steering systems often don't operate at the same pressure as the
hydraulics for the rest of the system, i.e. the mast.

Pete, as far as I understand, the power steering hydraulic system is
completely separate from the hydraulics on the forklift lifting
system.

i

On 2014-09-04, Karl Townsend wrote:

I bought an all-hydraulic replacement for this system today. It was at
some point damaged by water and rust and was beyond repair.

glad you can find parts.

i have an old hyster, no parts available. When it breaks, its scrap.

Got a DEAL on an international backhoe. Found out i couldn't get parts
so i sent it on down the road before i got caught with it.

I'm surprised you can get anything for a tow motor.

This is my second towmotor. I can get some parts. This hydraulic
steering replacement is a very universal item.

i

On 9/4/2014 12:04 PM, Karl Townsend wrote:

I bought an all-hydraulic replacement for this system today. It was at
some point damaged by water and rust and was beyond repair.

glad you can find parts.

i have an old hyster, no parts available. When it breaks, i
Got a DEAL on an international backhoe. Found out i couldn't get parts
so i sent it on down the road before i got caught with it.

I'm surprised you can get anything for a tow motor.

Karl

In th elate 1960's I was designing and programming a certified payroll
system for a major construction company in Salem, Oregon. We were using
an IBM 1440 computer system at West Coast Grocery headquarters.

The grocery co. also did all the computer work for Towmotor. I remember
many trays of punched cards (aperture cards!) with windows in one half
of the cards. A microfilm of a drawing of a Towmotor part was glued into
the aperture card.

That is the only time I ever saw such cards in use.

Paul

Ignoramus18095 wrote:

On 2014-09-04, Karl Townsend wrote:

I bought an all-hydraulic replacement for this system today. It was at
some point damaged by water and rust and was beyond repair.

glad you can find parts.

i have an old hyster, no parts available. When it breaks, its scrap.

Got a DEAL on an international backhoe. Found out i couldn't get parts
so i sent it on down the road before i got caught with it.

I'm surprised you can get anything for a tow motor.

This is my second towmotor. I can get some parts. This hydraulic
steering replacement is a very universal item.

i

Exactly, for much of these type of machines if you don't mind
fabricating a few brackets and whatnot you can retrofit off the shelf
modern parts into them and keep going. The hydraulic steering stuff is
readily available from SurplusCenter and others.

Ignoramus18095 wrote:

On 2014-09-04, Pete C. wrote:

Ignoramus16243 wrote:

On 2014-09-03, Tim Wescott wrote:
On Tue, 02 Sep 2014 22:03:18 -0500, Ignoramus16252 wrote:

I have an older Towmotor 30,000 lbs forklift.

It does have power steering where a hydraulic cylinder provides
assistance. It has a power steering gearbox of unknown (to me)
construction.

The problem that it has developed is that power steering works great
when I turn steering wheel to the left, and it does not work when I
attempt to turn it right. Instead, turning right requires an enormous
effort.

What could the problem be here, thanks. Maybe there are some valves in
the power steering gearbox that malfunction?

i

AFAIK, power steering works by having the force transmitted through a set
of valves, that make the thing torque one way or the other depending on
how it's being pushed.

If the valve is clogged, or stuck, it would cause what you see.


I bought an all-hydraulic replacement for this system today. It was at
some point damaged by water and rust and was beyond repair.

Just be careful to check your hydraulic pressures, the hydraulic
steering systems often don't operate at the same pressure as the
hydraulics for the rest of the system, i.e. the mast.

Pete, as far as I understand, the power steering hydraulic system is
completely separate from the hydraulics on the forklift lifting
system.

i

Good, if I recall the last hydraulic steering machine I worked on used
pressure from the charge pump to operate the steering and brakes, about
1/10 the pressure of the main hydraulics.

On Thu, 04 Sep 2014 16:32:52 -0500, "Pete C."
wrote:


Ignoramus18095 wrote:

On 2014-09-04, Pete C. wrote:

Ignoramus16243 wrote:

On 2014-09-03, Tim Wescott wrote:
On Tue, 02 Sep 2014 22:03:18 -0500, Ignoramus16252 wrote:

I have an older Towmotor 30,000 lbs forklift.

It does have power steering where a hydraulic cylinder provides
assistance. It has a power steering gearbox of unknown (to me)
construction.

The problem that it has developed is that power steering works great
when I turn steering wheel to the left, and it does not work when I
attempt to turn it right. Instead, turning right requires an enormous
effort.

What could the problem be here, thanks. Maybe there are some valves in
the power steering gearbox that malfunction?

i

AFAIK, power steering works by having the force transmitted through a set
of valves, that make the thing torque one way or the other depending on
how it's being pushed.

If the valve is clogged, or stuck, it would cause what you see.


I bought an all-hydraulic replacement for this system today. It was at
some point damaged by water and rust and was beyond repair.

Just be careful to check your hydraulic pressures, the hydraulic
steering systems often don't operate at the same pressure as the
hydraulics for the rest of the system, i.e. the mast.

Pete, as far as I understand, the power steering hydraulic system is
completely separate from the hydraulics on the forklift lifting
system.

i

Good, if I recall the last hydraulic steering machine I worked on used
pressure from the charge pump to operate the steering and brakes, about
1/10 the pressure of the main hydraulics.

The auto industry range was 1200-1800psi awhile back. I wonder if it
differs from industrial vehicles.


--
Let no man imagine that he has no influence. Whoever he may be, and
wherever he may be placed, the man who thinks becomes a light and a power.
-- Henry George

On Thu, 04 Sep 2014 14:04:07 -0500, Karl Townsend
wrote:


I bought an all-hydraulic replacement for this system today. It was at
some point damaged by water and rust and was beyond repair.

glad you can find parts.

i have an old hyster, no parts available. When it breaks, its scrap.

Got a DEAL on an international backhoe. Found out i couldn't get parts
so i sent it on down the road before i got caught with it.

I'm surprised you can get anything for a tow motor.

Karl
A lot of their parts were "generic" or sourced from another standard
manufacturer. It was an "assembled" machine with virtually all of the
mechanicals sourced from other manufacturers and only the "Heavies"
actually made by "tow-motor"

Unlike Hyster and International and other "integrated" manufacturers
who made virtually every bolt and nut.

On Thu, 04 Sep 2014 14:21:28 -0500, Ignoramus18095
wrote:

On 2014-09-04, Karl Townsend wrote:

I bought an all-hydraulic replacement for this system today. It was at
some point damaged by water and rust and was beyond repair.

glad you can find parts.

i have an old hyster, no parts available. When it breaks, its scrap.

Got a DEAL on an international backhoe. Found out i couldn't get parts
so i sent it on down the road before i got caught with it.

I'm surprised you can get anything for a tow motor.

This is my second towmotor. I can get some parts. This hydraulic
steering replacement is a very universal item.

Likely fits an early Ford car or pickup truck too.
i

On Thu, 04 Sep 2014 18:02:42 -0700, Larry Jaques
wrote:

On Thu, 04 Sep 2014 16:32:52 -0500, "Pete C."
wrote:


Ignoramus18095 wrote:

On 2014-09-04, Pete C. wrote:

Ignoramus16243 wrote:

On 2014-09-03, Tim Wescott wrote:
On Tue, 02 Sep 2014 22:03:18 -0500, Ignoramus16252 wrote:

I have an older Towmotor 30,000 lbs forklift.

It does have power steering where a hydraulic cylinder provides
assistance. It has a power steering gearbox of unknown (to me)
construction.

The problem that it has developed is that power steering works great
when I turn steering wheel to the left, and it does not work when I
attempt to turn it right. Instead, turning right requires an enormous
effort.

What could the problem be here, thanks. Maybe there are some valves in
the power steering gearbox that malfunction?

i

AFAIK, power steering works by having the force transmitted through a set
of valves, that make the thing torque one way or the other depending on
how it's being pushed.

If the valve is clogged, or stuck, it would cause what you see.


I bought an all-hydraulic replacement for this system today. It was at
some point damaged by water and rust and was beyond repair.

Just be careful to check your hydraulic pressures, the hydraulic
steering systems often don't operate at the same pressure as the
hydraulics for the rest of the system, i.e. the mast.

Pete, as far as I understand, the power steering hydraulic system is
completely separate from the hydraulics on the forklift lifting
system.

i

Good, if I recall the last hydraulic steering machine I worked on used
pressure from the charge pump to operate the steering and brakes, about
1/10 the pressure of the main hydraulics.

The auto industry range was 1200-1800psi awhile back. I wonder if it
differs from industrial vehicles.
The old towmotors used automotive power steering pumps on most of
them - Some had the pump on the end of the generator- like on early
cadillacs.

I'm surprised you can get anything for a tow motor.

Karl
A lot of their parts were "generic" or sourced from another standard
manufacturer. It was an "assembled" machine with virtually all of the
mechanicals sourced from other manufacturers and only the "Heavies"
actually made by "tow-motor"

Unlike Hyster and International and other "integrated" manufacturers
who made virtually every bolt and nut.

that's good to know. I'm sort of watching to replace my hyster with a
bad clutch. They don't sell parts for it.

Might even be a better situation than my old Ford tractors. The
collectors have got in the act and parts prices went through the roof.

At least when i go to the state fair and look at antique tractos, i
can say i still farm with that one.

karl

On 2014-09-05, Karl Townsend wrote:

that's good to know. I'm sort of watching to replace my hyster with a
bad clutch. They don't sell parts for it.

You can rebuild a clutch, as far as I know.

i

wrote:

On Thu, 04 Sep 2014 14:21:28 -0500, Ignoramus18095
wrote:

On 2014-09-04, Karl Townsend wrote:

I bought an all-hydraulic replacement for this system today. It was at
some point damaged by water and rust and was beyond repair.

glad you can find parts.

i have an old hyster, no parts available. When it breaks, its scrap.

Got a DEAL on an international backhoe. Found out i couldn't get parts
so i sent it on down the road before i got caught with it.

I'm surprised you can get anything for a tow motor.

This is my second towmotor. I can get some parts. This hydraulic
steering replacement is a very universal item.


Likely fits an early Ford car or pickup truck too.

Highly unlikely and not street legal. Iggy is talking about an
all-hydraulic steering system as typically found on construction
equipment. No mechanical link between the steering wheel and the wheels,
just hydraulic hoses.

Ignoramus18095 wrote:

On 2014-09-05, Karl Townsend wrote:

that's good to know. I'm sort of watching to replace my hyster with a
bad clutch. They don't sell parts for it.

You can rebuild a clutch, as far as I know.

i

Rebuilding relies on being able to get parts, if the part was made
specifically for the unit and the manufacturer no longer supplies it you
may well be SOL. I suppose there is some slight potential to scavenge
friction pads from a similar clutch and retrofit them in, but likely
more trouble than it's worth. Some searching might find dusty NOS on a
shelf in some warehouse though.

"Pete C." wrote in message
...

Ignoramus18095 wrote:

On 2014-09-05, Karl Townsend
wrote:

that's good to know. I'm sort of watching to replace my hyster
with a
bad clutch. They don't sell parts for it.

You can rebuild a clutch, as far as I know.

i

Rebuilding relies on being able to get parts, if the part was made
specifically for the unit and the manufacturer no longer supplies it
you
may well be SOL. I suppose there is some slight potential to
scavenge
friction pads from a similar clutch and retrofit them in, but likely
more trouble than it's worth. Some searching might find dusty NOS on
a
shelf in some warehouse though.

http://www.industrialbrakeclutch.com/
"We offer a wide variety of molded and woven friction material in
various widths and degrees of thickness to fit your application."

On Fri, 5 Sep 2014 11:52:34 -0400, "Jim Wilkins"
wrote:

"Pete C." wrote in message
...

Ignoramus18095 wrote:

On 2014-09-05, Karl Townsend
wrote:

that's good to know. I'm sort of watching to replace my hyster
with a
bad clutch. They don't sell parts for it.

You can rebuild a clutch, as far as I know.

i


http://www.industrialbrakeclutch.com/
"We offer a wide variety of molded and woven friction material in
various widths and degrees of thickness to fit your application."

Thanks for the lead. Still don't know if i'll risk it. The unit still
runs. Take it apart, break something you can't replace - FUBAR.

When its scrap it or fix it time, I'll take the chance.

karl

On Fri, 05 Sep 2014 05:22:26 -0500, Karl Townsend
wrote:


I'm surprised you can get anything for a tow motor.

Karl
A lot of their parts were "generic" or sourced from another standard
manufacturer. It was an "assembled" machine with virtually all of the
mechanicals sourced from other manufacturers and only the "Heavies"
actually made by "tow-motor"

Unlike Hyster and International and other "integrated" manufacturers
who made virtually every bolt and nut.

that's good to know. I'm sort of watching to replace my hyster with a
bad clutch. They don't sell parts for it.

Might even be a better situation than my old Ford tractors. The
collectors have got in the act and parts prices went through the roof.

At least when i go to the state fair and look at antique tractos, i
can say i still farm with that one.

karl
And at least for the farm tractors the parts ARE available. Even a
lot of aftermarket repop parts. When there is a big enough market,
someone will fill the demand.

A clutch rebuilder should be able to mix/match/rebuild your Hyster
clutch

On Fri, 05 Sep 2014 10:09:58 -0500, "Pete C."
wrote:


wrote:

On Thu, 04 Sep 2014 14:21:28 -0500, Ignoramus18095
wrote:

On 2014-09-04, Karl Townsend wrote:

I bought an all-hydraulic replacement for this system today. It was at
some point damaged by water and rust and was beyond repair.

glad you can find parts.

i have an old hyster, no parts available. When it breaks, its scrap.

Got a DEAL on an international backhoe. Found out i couldn't get parts
so i sent it on down the road before i got caught with it.

I'm surprised you can get anything for a tow motor.

This is my second towmotor. I can get some parts. This hydraulic
steering replacement is a very universal item.


Likely fits an early Ford car or pickup truck too.

Highly unlikely and not street legal. Iggy is talking about an
all-hydraulic steering system as typically found on construction
equipment. No mechanical link between the steering wheel and the wheels,
just hydraulic hoses.
If it is a full power steering unit instead of a power assist, the
job gets a LOT easier. Lots of "generic" parts availability.
I thought he said it had a steering box AND external cyls.
He did say he COULD steer it, but it took a lot of force the one way.
With a full power system you cannot "armstrong" it.With a power assist
you can - which also led me to believe he was talking about the power
ASSISTED steering system

wrote:

On Fri, 05 Sep 2014 10:09:58 -0500, "Pete C."
wrote:


wrote:

On Thu, 04 Sep 2014 14:21:28 -0500, Ignoramus18095
wrote:

On 2014-09-04, Karl Townsend wrote:

I bought an all-hydraulic replacement for this system today. It was at
some point damaged by water and rust and was beyond repair.

glad you can find parts.

i have an old hyster, no parts available. When it breaks, its scrap.

Got a DEAL on an international backhoe. Found out i couldn't get parts
so i sent it on down the road before i got caught with it.

I'm surprised you can get anything for a tow motor.

This is my second towmotor. I can get some parts. This hydraulic
steering replacement is a very universal item.


Likely fits an early Ford car or pickup truck too.

Highly unlikely and not street legal. Iggy is talking about an
all-hydraulic steering system as typically found on construction
equipment. No mechanical link between the steering wheel and the wheels,
just hydraulic hoses.
If it is a full power steering unit instead of a power assist, the
job gets a LOT easier. Lots of "generic" parts availability.
I thought he said it had a steering box AND external cyls.
He did say he COULD steer it, but it took a lot of force the one way.
With a full power system you cannot "armstrong" it.With a power assist
you can - which also led me to believe he was talking about the power
ASSISTED steering system

From what I gather the original was a power assist system that was
rusted to death, and his replacement for it is a full hydraulic system
with off the shelf new parts. For a slow moving off-road machine full
hydraulic is nice and simple.

On Fri, 05 Sep 2014 13:04:11 -0500, "Pete C."
wrote:


wrote:

On Fri, 05 Sep 2014 10:09:58 -0500, "Pete C."
wrote:


wrote:

On Thu, 04 Sep 2014 14:21:28 -0500, Ignoramus18095
wrote:

On 2014-09-04, Karl Townsend wrote:

I bought an all-hydraulic replacement for this system today. It was at
some point damaged by water and rust and was beyond repair.

glad you can find parts.

i have an old hyster, no parts available. When it breaks, its scrap.

Got a DEAL on an international backhoe. Found out i couldn't get parts
so i sent it on down the road before i got caught with it.

I'm surprised you can get anything for a tow motor.

This is my second towmotor. I can get some parts. This hydraulic
steering replacement is a very universal item.


Likely fits an early Ford car or pickup truck too.

Highly unlikely and not street legal. Iggy is talking about an
all-hydraulic steering system as typically found on construction
equipment. No mechanical link between the steering wheel and the wheels,
just hydraulic hoses.
If it is a full power steering unit instead of a power assist, the
job gets a LOT easier. Lots of "generic" parts availability.
I thought he said it had a steering box AND external cyls.
He did say he COULD steer it, but it took a lot of force the one way.
With a full power system you cannot "armstrong" it.With a power assist
you can - which also led me to believe he was talking about the power
ASSISTED steering system

From what I gather the original was a power assist system that was
rusted to death, and his replacement for it is a full hydraulic system
with off the shelf new parts. For a slow moving off-road machine full
hydraulic is nice and simple.
True
The power assist system would have been more complex, but parts to
retrofit a linkage assist system are still generally available too.

assist systems are also quite easy to retrofit - (column power assist
- using rotary hydraulic servos -also known as "orbitals" (eaton
CharLynn)

Classic Performance Parts in Buena Park (Placentia) California makes a
complete kit to retrofit power assist to the old F100 that could be
modified/adapted to just about any stanard steering system on a
tractor etc.

"Karl Townsend" wrote in message
...
On Fri, 5 Sep 2014 11:52:34 -0400, "Jim Wilkins"
wrote:


http://www.industrialbrakeclutch.com/
"We offer a wide variety of molded and woven friction material in
various widths and degrees of thickness to fit your application."

Thanks for the lead. Still don't know if i'll risk it. The unit
still
runs. Take it apart, break something you can't replace - FUBAR.

When its scrap it or fix it time, I'll take the chance.

karl

Google "reline clutch". That was the first of a page full.
-jsw

"Karl Townsend" wrote in message
...
On Fri, 5 Sep 2014 11:52:34 -0400, "Jim Wilkins"
wrote:


Thanks for the lead. Still don't know if i'll risk it. The unit
still
runs. Take it apart, break something you can't replace - FUBAR.

When its scrap it or fix it time, I'll take the chance.

karl

I know, I just bought brass bar stock and large carbon brushes to
machine a new brush assembly for my 20A Variac, rather than risk the
original.
-jsw

On 2014-09-05, Pete C. wrote:

wrote:

On Thu, 04 Sep 2014 14:21:28 -0500, Ignoramus18095
wrote:

On 2014-09-04, Karl Townsend wrote:

I bought an all-hydraulic replacement for this system today. It was at
some point damaged by water and rust and was beyond repair.

glad you can find parts.

i have an old hyster, no parts available. When it breaks, its scrap.

Got a DEAL on an international backhoe. Found out i couldn't get parts
so i sent it on down the road before i got caught with it.

I'm surprised you can get anything for a tow motor.

This is my second towmotor. I can get some parts. This hydraulic
steering replacement is a very universal item.


Likely fits an early Ford car or pickup truck too.

Highly unlikely and not street legal. Iggy is talking about an
all-hydraulic steering system as typically found on construction
equipment. No mechanical link between the steering wheel and the wheels,
just hydraulic hoses.

I can see, now, that it may be more dangerous on a car, compared to a
forklift.

i

On Wednesday, September 3, 2014 at 5:03:18 AM UTC+2, Ignoramus16252 wrote:
I have an older Towmotor 30,000 lbs forklift.

It does have power steering where a hydraulic cylinder provides
assistance. It has a power steering gearbox of unknown (to me)
construction.

The problem that it has developed is that power steering works great
when I turn steering wheel to the left, and it does not work when I
attempt to turn it right. Instead, turning right requires an enormous
effort.

What could the problem be here, thanks. Maybe there are some valves in
the power steering gearbox that malfunction?

i

Hi All We just restored a 1985 TCM FG 30 Petrol Forklift. Replaced all the hydrualic hoses and repaired the pumps. But the Steering only turns to the Right Side but when we try to turn left the wheels stands still. Any Sugestions to a sulution.

On Mon, 4 Jun 2018 06:47:16 -0700 (PDT),
wrote:

On Wednesday, September 3, 2014 at 5:03:18 AM UTC+2, Ignoramus16252 wrote:
I have an older Towmotor 30,000 lbs forklift.

It does have power steering where a hydraulic cylinder provides
assistance. It has a power steering gearbox of unknown (to me)
construction.

The problem that it has developed is that power steering works great
when I turn steering wheel to the left, and it does not work when I
attempt to turn it right. Instead, turning right requires an enormous
effort.

What could the problem be here, thanks. Maybe there are some valves in
the power steering gearbox that malfunction?

i

Hi All We just restored a 1985 TCM FG 30 Petrol Forklift. Replaced all the hydrualic hoses and repaired the pumps. But the Steering only turns to the Right Side but when we try to turn left the wheels stands still. Any Sugestions to a sulution.
either bad control valve or a bypass in the cyl. I'd be betting on
the control valve.

On Mon, 04 Jun 2018 21:45:18 -0400, Clare Snyder
wrote:

On Mon, 4 Jun 2018 06:47:16 -0700 (PDT),
wrote:

On Wednesday, September 3, 2014 at 5:03:18 AM UTC+2, Ignoramus16252 wrote:
I have an older Towmotor 30,000 lbs forklift.

It does have power steering where a hydraulic cylinder provides
assistance. It has a power steering gearbox of unknown (to me)
construction.

The problem that it has developed is that power steering works great
when I turn steering wheel to the left, and it does not work when I
attempt to turn it right. Instead, turning right requires an enormous
effort.

What could the problem be here, thanks. Maybe there are some valves in
the power steering gearbox that malfunction?

i

Hi All We just restored a 1985 TCM FG 30 Petrol Forklift. Replaced all the hydrualic hoses and repaired the pumps. But the Steering only turns to the Right Side but when we try to turn left the wheels stands still. Any Sugestions to a sulution.
either bad control valve or a bypass in the cyl. I'd be betting on
the control valve.

Ayup. Doubt a cylinder bypass would do that. Sounds like the control
valve for steering may be connected wrong. Check the In port and the
two Out ports, then check to make sure that you are actually getting
fluid out each out port. Just crack the fitting at the turn cylinder a
smidge and crank right and left. Hummm...could..could be an air
block..and if so..cracking each fitting will bleed it out.


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On 2018-06-05, Clare Snyder wrote:
On Mon, 4 Jun 2018 06:47:16 -0700 (PDT),
wrote:

On Wednesday, September 3, 2014 at 5:03:18 AM UTC+2, Ignoramus16252 wrote:
I have an older Towmotor 30,000 lbs forklift.

It does have power steering where a hydraulic cylinder provides
assistance. It has a power steering gearbox of unknown (to me)
construction.

The problem that it has developed is that power steering works great
when I turn steering wheel to the left, and it does not work when I
attempt to turn it right. Instead, turning right requires an enormous
effort.

What could the problem be here, thanks. Maybe there are some valves in
the power steering gearbox that malfunction?

i

Hi All We just restored a 1985 TCM FG 30 Petrol Forklift. Replaced all the hydrualic hoses and repaired the pumps. But the Steering only turns to the Right Side but when we try to turn left the wheels stands still. Any Sugestions to a sulution.
either bad control valve or a bypass in the cyl. I'd be betting on
the control valve.

My post was from four years ago.

We ended up throwing out the whole power steering system and replaced
it with a Orbitrol PS control, life could not be better after
this. 30,000 forklift can be steered with a pinky finger.

On Tue, 05 Jun 2018 11:18:33 -0500, Ignoramus7645
wrote:

On 2018-06-05, Clare Snyder wrote:
On Mon, 4 Jun 2018 06:47:16 -0700 (PDT),
wrote:

On Wednesday, September 3, 2014 at 5:03:18 AM UTC+2, Ignoramus16252 wrote:
I have an older Towmotor 30,000 lbs forklift.

It does have power steering where a hydraulic cylinder provides
assistance. It has a power steering gearbox of unknown (to me)
construction.

The problem that it has developed is that power steering works great
when I turn steering wheel to the left, and it does not work when I
attempt to turn it right. Instead, turning right requires an enormous
effort.

What could the problem be here, thanks. Maybe there are some valves in
the power steering gearbox that malfunction?

i

Hi All We just restored a 1985 TCM FG 30 Petrol Forklift. Replaced all the hydrualic hoses and repaired the pumps. But the Steering only turns to the Right Side but when we try to turn left the wheels stands still. Any Sugestions to a sulution.
either bad control valve or a bypass in the cyl. I'd be betting on
the control valve.

My post was from four years ago.

We ended up throwing out the whole power steering system and replaced
it with a Orbitrol PS control, life could not be better after
this. 30,000 forklift can be steered with a pinky finger.

Cool!


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