What should the pressure be on a Komatsu pc50uu-1?

What should the pressure be on a Komatsu pc50uu-1?

The pressure to that valve won’t go over 1500 psi. By the book, should be about 3100 psi. The cycle times for the swing and blade are within the book spec. They just don’t have any power. The blade won’t lift the machine and the swing will barely move with a load. The swing appears to get worse as the oil heats up.

What’s the problem with the transmission on a Komatsu?

Hi Gurus! I’m having trouble with a Komatsu transmission. Earlier it looses drive when engine runs approx. 1-2 minutes. Nowadays engine just revs and truck goes nowhere. I’ve checked transmission oil and it’s in max-line, even little bit over it. Oil is quite dark and I don’t know when it’s last time changed.

Where are the screens on a Komatsu pilot pump?

Komatsu seems to like to put little screens in all their pilot fittings, there should be a screen on the outlet of your pilot pump or at its first valve in, as well as screens in all your pilot control pressure in lines. Theres also usually screens in the pilot lines into the control valve.

What are the control valves on a Komatsu pump?

There are two control valves that operate all of the functions. One is a 6 spool valve and one is a 3 spool valve. The first two stages of the pump feed the 6 spool valve, and all functions seem to work as they should. The third stage of the pump feeds the 3 spool valve. this valve controls the blade, the swing motor and the rapid travel function.

What do you need to know about Komatsu service manual?

This factory Komatsu Service Manual Download will give you complete step-by-step information on repair, servicing, and preventative maintenance for your Komatsu. The Komatsu Service Manual is highly detailed with photos and illustrations to help guide you through every repair and troubleshooting procedure.

When did the Komatsu PC 400-1 stop being made?

There are more detailed specifications and machine descriptions available in the original Komatsu PC 400-1 specs data sheet. The production stopped in 1992, where this PC 400-1 was available at a new list price between €245000 and €311000.

How big is a Komatsu crawler excavator bucket?

This Komatsu crawler excavator belongs to the biggest machine segment in the crawler excavators category. The bucket capacity of PC 400-1 is 1,6m³, which is above average for this type of machine. It does not include Quick hitch hydr., Quick hitch mech.

What is the bucket capacity of a PC 400-1?

The bucket capacity of PC 400-1 is 1,6m³, which is above average for this type of machine. It does not include Quick hitch hydr., Quick hitch mech.