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My d31p won't steer left or right

Customer Question
My d31p won't steer left or right
Submitted: 2 years ago.Category: Construction and Road Equipment
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Answered in 7 minutes by:
3/6/2016
Mechanic: Bradley Martin,
 replied 2 years ago
Bradley Martin
Category: Construction and Road Equipment
Satisfied Customers: 178
Experience: Field Technician at Thompson Tractor Company
Verified

I would say either left or right clutch is not pulling. Have you put it against a pile of dirt and seen which track is working?

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Customer reply replied 2 years ago
After rebuilding the ppc valve it will not steer left or right. I bled all hoses to make sure there was no air.
Mechanic: Bradley Martin,
 replied 2 years ago

Does it have forward and reverse?

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Customer reply replied 2 years ago
Forward and reverse works
Mechanic: Bradley Martin,
 replied 2 years ago

Let me opt out see if someone else can help I can not find my manuals on this one

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Customer reply replied 2 years ago
Ok
Customer reply replied 2 years ago
Any luck
Mechanic: Bradley Martin,
 replied 2 years ago

Whats you model number and serial number?

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Customer reply replied 2 years ago
I know it is D31P-20 serial starts with 48 I can't remember the rest
Mechanic: Bradley Martin,
 replied 2 years ago

There is a filter going into thee PPC valve on a 90 degree fitting> Have you checked that and made sure it was not stopped up with debris?

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Customer reply replied 2 years ago
That screen is actually inside the ppc value
Mechanic: Bradley Martin,
 replied 2 years ago

How about your steering brake cylinder? Has that been rebuilt lately

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Customer reply replied 2 years ago
They have not been rebuild
Mechanic: Bradley Martin,
 replied 2 years ago

I would check the cylinders for blown O-rings.

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Mechanic: Bradley Martin,
 replied 2 years ago

Are you checking the brake cylinders?

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Customer reply replied 2 years ago
Brake cylinders look good no leaks and working back and forth
Mechanic: Bradley Martin,
 replied 2 years ago

You said you rebuilt the PPC valve correct?

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Customer reply replied 2 years ago
Correct. I just went back took it apart make sure I didn't put something in wrong. Everything is in right
Mechanic: Bradley Martin,
 replied 2 years ago

It was working before you rebuilt the PPC valve.

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Mechanic: Bradley Martin,
 replied 2 years ago

Are you positive the lines are not crossed on the PPC valve?

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Customer reply replied 2 years ago
I marked all the before taking apart and took a photo. I put everything back as marked
Mechanic: Bradley Martin,
 replied 2 years ago

There has to be a problem with that valve if it was working before rebuilding. Where did you get a kit because from the parts manual I have it does not list a rebuild kit only replacement PPC valve.

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Customer reply replied 2 years ago
I got new seals, o rings, filter screen from Komatsu dealer
Mechanic: Bradley Martin,
 replied 2 years ago

The only other thing it could be is trash in the lines from the trans to the PPC and out of the PPC. I dont see any other thing it could be surley the clutches could not be worn if it was working before.

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Customer reply replied 2 years ago
Going through the lines is my next step. You would think at least one direct would work
Mechanic: Bradley Martin,
 replied 2 years ago

I would check the lines if they are good I will see if we can get some more help on this issue.

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Customer reply replied 2 years ago
I contacted my local dealer and have a tech scheduled to come Thursday. I hope I can figure something out before then
Mechanic: Bradley Martin,
 replied 2 years ago

hopefully we will figure this out.

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Mechanic: Bradley Martin,
 replied 2 years ago

Let me know what you find out in the lines.

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Customer reply replied 2 years ago
Do not know what I did but got it working
Mechanic: Bradley Martin,
 replied 2 years ago

What were you doing when it started working?

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Customer reply replied 2 years ago
Ribbed the engine up just started jerking the the steering handle back and forth
Mechanic: Bradley Martin,
 replied 2 years ago

Must have still had some air trapped in the system some where dont know if I helped any but please rate me when you have time

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Customer reply replied 2 years ago
Ok
Mechanic: Bradley Martin,
 replied 2 years ago

Let me know how it does while you are running it.

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Bradley Martin
Bradley Martin
Bradley Martin
Category: Construction and Road Equipment
Satisfied Customers: 178
178 Satisfied Customers
Experience: Field Technician at Thompson Tractor Company

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