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I have komatsu pc55 mr2 everything functions correct except
Hi I have komatsu pc55 mr2 everything functions correct except when I feathers the stocks for travel it puls the engine down to stall, if I go full stocks it works fine I have checked and cleaned filt… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,127 satisfied customers
I got jcb excavator All hydraulic system is not working It
I got jcb excavator All hydraulic system is not working It was working normally it suddenly stopped when the operator was operating the machine Can i know which valve to go and remove it ?… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
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I have a cat 307B that when you engage the tracks the motor
I have a cat 307B that when you engage the tracks the motor shuts down. It does this when you move the tracks forward or back, when you swap the range from slow to fast and when you swap the KW switch… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,127 satisfied customers
I have a cat 303. I have a Cat 303. My Cat 303.5 excavator
my Cat 303.5 excavator stick drifts down. Replaced seals in stick cylinder and it still drifts. The cylinder has no oil bypassing piston seals. Seems like the oil is going back through the valve. … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,127 satisfied customers
I have a Kubota excavator KX41-2V that all works ok with the
I have a Kubota excavator KX41-2V that all works ok with the exception of forwarded and reverse together. They will move independently though. I cannot physically move the leavers together. … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,127 satisfied customers
Komatsu PW160-7EO s/n H55774. 11000 operating hours.Workink
Komatsu PW160-7EO s/n H55774. 11000 operating hours.Workink mode E or P(no matter).Engine temperature 65~85 degrees Celsius.Engine speed 1000-2000 rpm(no matter).Work equimpent operation NEUTRAL(stand… read more
RyanY78
RyanY78
208 satisfied customers
I own a 1996 Samsung Se 280 excavator and basically my issue
Hi, I own a 1996 Samsung Se 280 excavator and basically my issue is everything is working hydraulic wise except for the stick. The main boom with the two hydraulic jacks works fine and the bucket move… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,127 satisfied customers
I have a tb135 excavator. I used it all day with no issues
I have a tb135 excavator. I used it all day with no issues and the near the end of the day, I shut it off to unlatch a chain from a tree truck and when I went to start it back up,it did but the only r… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,127 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
15,127 satisfied customers
I have a yutani mdi200ble the left tracks will go for but
hi i have a yutani mdi200ble the left tracks will go for but not backwards … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,127 satisfied customers
Have a hitachi ex220-2 excavator moved it worked fine went
have a hitachi ex220-2 excavator moved it worked fine went to move later will not move track levers just make a sqeeke sound ever thing else works. … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,127 satisfied customers
I have a 2005 240 link-belt excavator and one side of the
I have a 2005 240 link-belt excavator and one side of the tracks turns fine in both directions but the other side turns fine one way and really slow the other and also bogs the engine … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,127 satisfied customers
I have an E70B Cat Excavator that seems to have the same
I have an E70B Cat Excavator that seems to have the same problem as this URL that I am reading. http://www.justanswer.com/heavy-equipment/29rzk-hydraulic-both-pumps-acts-main-relief-valve-guys.htmlWhe… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,127 satisfied customers
I have a sumotomo excavator I am having issues with. When
I have a sumotomo excavator I am having issues with. When trying to drive the excavator either direction it wants to labor the motor or make it guit. Also noticed when extending the boom all the way o… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,127 satisfied customers
I have a 2012 zx40u-3 excavator, recently done a service on
Hi , i have a 2012 zx40u-3 excavator , recently done a service on it and changes out the in tank hydraulic filter , after about 10 to 15 hours of operating after the service the machine started to pla… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,127 satisfied customers
I have a 9030b case excavator and the brakes lock up after
I have a 9030b case excavator and the brakes lock up after the machine is worked for a time. The drive operates as it should at start up but both left and right sides lock up after the machine heats u… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,127 satisfied customers
Hey, I have a EX 200 LC-5 Hitachi excavator. The hydraulics
Hey, I have a EX 200 LC-5 Hitachi excavator. The hydraulics seem to work fine in every function except when you lower the boom, it drops to fast. What parts could be involved with this and where are t… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,127 satisfied customers
I have a Cat E120B excavator. The piston next the cab is leaking
I have a Cat E120B excavator. The piston next the cab is leaking hydraulic fluid. How do I replace the seal?… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
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