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I have a 320c Cat excavator which has been standing for a
Hi I have a 320c Cat excavator which has been standing for a little over 18months and now it won't swing the boom left or right … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,307 satisfied customers
I have a 1995 490e John Deere excavator. It tracks real
I have a 1995 490e John Deere excavator. It tracks real slow, will not swing and the stick goes out slow … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
11,887 satisfied customers
Got a 330 cat excavator boom just nearly raises. Now pilot
got a 330 cat excavator boom just nearly raises. Now pilot pressure on slow side spool. Pilot pressure builds very slowly on high side spool. Good pilot pressure to joystick. Also travel is very limit… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,307 satisfied customers
I have owned 2 doz. Kobelco excavators during my career. So
I have owned 2 doz. Kobelco excavators during my career. So fed up with Kobelco over a problem with my SK330 that they can't figure out. When machine warms up it does not swing, and the stick comes in… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
11,887 satisfied customers
I have a 318b rotates fine to the right and very slow
I have a 318b rotates fine to the right and very slow left.Swapped the pressure valves on the hydralic pump no difference.we swapped the line on the swiing motor and it just does the opoosite … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,307 satisfied customers
I HAVE A 1989 EL490 JOHN DEERE EXCAVATOR WITH A FOUR
I HAVE A 1989 EL490 JOHN DEERE EXCAVATOR WITH A FOUR CYLINDER DIESEL ENGINE. IT HAS A FULLY MECHANICAL FUEL PUMP. THE ENGINE WILL START, RUN FOR 30 SECONDS AND THEN SHUT DOWN. WAIT A FEW SECONDS AND I… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
1,024 satisfied customers
I have an equipment that is making noise most likely from
I have an equipment that is making noise most likely from the pump. This noise starts immediately the boom or stick is activated and continues as you work . The hydraulic pump, swing motor and loading… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
11,887 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
1,307 satisfied customers
I have a Koerhing excavator #6633 that has lost about half
I have a Koerhing excavator #6633 that has lost about half of it's hydraulics. One lag will turn and other one won't. The bucket will not tip either way. The main boom will lift, but no down pressure.… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
11,887 satisfied customers
Very erattic hydraulics machine rums good for a while then
Very erattic hydraulics machine rums good for a while then suddenly has no power have to run full throttle to operate mounted a hydro hammer slow blows but if I push swing lever while trying to hammer… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
11,887 satisfied customers
Field testing the brakes on a deere 690e-lc excavator, We
field testing the brakes on a john deere 690e-lc excavator … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
11,887 satisfied customers
I have recently aquired a 225b excavator. I've had to drain
Hi. I have recently aquired a 225b excavator. I've had to drain the hydraulic tank and replace a number of hoses, including the main suction hoses, hoses from the pumps to valve bodies, main drive hos… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,307 satisfied customers
Dan I have a john deere 160lc weak on left track and rotate
Dan I have a john deere 160lc weak on left track and rotate is slow (test manual says it should rotate 3 times in 13 sec, it takes 18 sec) I have rebuilt the pump fixed it few days and has went back t… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
11,887 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
1,307 satisfied customers
I have a vio - 35 yanmar excavator that the swing function
I have a vio - 35 yanmar excavator that the swing function is slow and weak also the back fill blade function is slow and weak . I believe they are on the same circuit . note. 1200 hr machine good flu… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
11,887 satisfied customers
john deere 690d with slow hydraulics. approx. 3700 hours. track
john deere 690d with slow hydraulics. approx. 3700 hours. track speed may be slow. Went and operated unit an hour ago. Everything seemed to work okay except that the track speed/strength seemed weak. … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
11,887 satisfied customers
I Have a 2005 John Deere 160C Lc excavator that the hydraulics
I Have a 2005 John Deere 160C Lc excavator that the hydraulics seem to run at half power. When you track the machine and run boom functions at the same time the power is split to both functions but th… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
11,887 satisfied customers
yutani 180 escavator the swing is slow one side of the travel
yutani 180 escavator the swing is slow one side of the travel is slow but if you are traveling and one side is slow you can work he swing lever just a little and the slow side of the travel will speed… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
11,887 satisfied customers
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