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Cat 320 LC. The swing brake does not engage when machine is
Cat 320 LC. The swing brake does not engage when machine is running and hydraulic control not engaged. The machine swing fades to either side depending on gravity. Is there a control switch or does ma… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,283 satisfied customers
I have a cat 325dl that was driving across a field and very
I have a cat 325dl that was driving across a field and very suddenly lost track speed on one side run by pump 1 or called the driven pump. If the ecm override is switched track speeds back up to norma… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,283 satisfied customers
We have a CAT 325L excavator. We had hydraulic pump rebuilt
We have a CAT 325L excavator. We had hydraulic pump rebuilt (weak), drained hydraulic oil and refilled everything with new hyd oil. Now the swing motor does not work, it runs (you can hear it) but it'… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
7,190 satisfied customers
Well i just bought another excavator and run it for two hrs
well i just bought another excavator and run it for two hrs and now it wont swing either direction its a 2005 321c … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
7,190 satisfied customers
Curtis . You answered my question about my 303.5 cat mini
hi Curtis B. You answered my question about my 303.5 cat mini ex.about 3 years ago and got me up and running. Many thanks. Now I have a leaking seal in the swing motor of the same machine. I removed t… read more
Bradley Martin
Bradley Martin
16 satisfied customers
Where would I check shavings after I replaced final drive on
Where would I check for metal shavings after I replaced final drive on left side Bucket will not raise and left track is binding because it's not getting fluid… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,283 satisfied customers
My Komatsu PC60-7, serial 58403, was working fine last use.
My Komatsu PC60-7, serial 58403, was working fine last use. Today I started it up and it won't swing. It seems locked in "swing lock" mode, but the Swing Lock switch and indicator are not engaged or l… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
7,190 satisfied customers
I had to change an o ring on my hydrulic pump on a cat 315.
I had to change an o ring on my hydrulic pump on a cat 315. Now it seems as if i have air somewhere. The left track move very slow, it swings slow and the dipper hesitates a little. Other funtions see… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,283 satisfied customers
. I have a 416B cat, serial number 8SG06761. I have some
Hi. I have a 416B cat, serial number 8SG06761. I have some questions. First of all, the machine is old and has many hours. I purchased it for use on our property in the woods. So the machine does not … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,409 satisfied customers
Hello, I have a 320 Cat/Favco 30 ton. Unable to swing. Engine loads up when trying to swin
Hello, I have a 320 Cat/Favco 30 ton. Unable to swing. Engine loads up when trying to swing. I've located four solenoid valves located on pilot system near pump. I've also located solenoid valve on sw… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,283 satisfied customers
My Cat E200B excavator bucket stops working the same time
My Cat E200B excavator bucket stops working the same time the left track stops as well.lift boom up and track with both tracks and the bucket starts to work again as well as the left track.serial# ***… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
7,190 satisfied customers
My Cat 302.5 was working fine all last week, so I had the weekend
My Cat 302.5 was working fine all last week, so I had the weekend off! When I got back to the site today she cranked up fine, but blew the 10 amp hydraulic circuit fuse soon after I started tracking t… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
7,190 satisfied customers
I HAVE A WOODS BH80X BACKHOE AND WHEN YOU MOVE THE LEVER TO
I HAVE A WOODS BH80X BACKHOE AND WHEN YOU MOVE THE LEVER TO SWING THE BOOM IT TAKES A FEW SECONDS BEFORE IT MOVES. THEN WHEN THE LEVER IS RELEASED IT KEEPS SWINGING. I CAN ALSO MOVE THE BOOM WITH MY H… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,409 satisfied customers
I am working on a jd330clc the swing is slow and if you pick
I am working on a jd330clc the swing is slow and if you pick up on the left side of the machine and roll the left track it very slow but if you push down on the boom the left track will speed up consi… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
7,190 satisfied customers
working on a 330 bl cat....swing is fine and all stick movement
working on a 330 bl cat....swing is fine and all stick movement seems ok speed wise but both tracks move at a snails pace ,super slow in high or low range. local cat rep worked on it and said needed n… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,283 satisfied customers
CAT el300 No swing when at wide open throttle as soon as you
CAT el300 No swing when at wide open throttle as soon as you use the dipper, tracks or boom. Back the engine down to half swing works fine, throttle up, fine until another function is used. Oil hot or… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,283 satisfied customers
I have a komatsu pc300-6 and there is too much oil in the slew.
I have a komatsu pc300-6 and there is too much oil in the slew. It was fine when it started work this morning, and now t is overfull and overflowing a bit. I am guessing it has something to do with th… read more
Steve
Steve
Mechanic
High School or GED
42 satisfied customers
The pressures are 460 pilot and main is around 4600. the pump
The pressures are 460 pilot and main is around 4600. the pump has been rebuilt and set to spec buy the Cat specialist about 40 hrs ago. The staling under load appeared 1st ,the machine sat for about 1… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,283 satisfied customers
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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