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I have a cat 320c excavator. I replaced a boom cylinder and
I have a cat 320c excavator. I replaced a boom cylinder and now after some operation the thumb has quit working. I believe the thumb cylinder may have an air bubble. serial number 7jk88638… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,287 satisfied customers
I have a Deere 200d lc excavator and the boom lift has
I have a Deere 200d lc excavator and the boom lift has become slow and weak If I extend my stick out all the way and lift my main boom it lifts slowly and will completely stop when I start to bring my… read more
Dan
Dan
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Auto Mechanics 1&2/diesel mech
7,027 satisfied customers
801.4 mini excavator main boom drops before it goes up when
801.4 mini excavator main boom drops before it goes up when actuated … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,409 satisfied customers
E70b escavator, boom wont lift after it gets hot. 1997 E70
yes I am mechanic and I need to know if its in the control handle tower or one of the spools in controlling block … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
7,027 satisfied customers
Cat 120B excavator. Works great until the oil gets warmed up
Cat 120B excavator. Works great until the oil gets warmed up in an hour or so then can't control the boom lift and the stick extension. Will continue after joystick return to nuetral to full cylinder … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
7,027 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
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Auto Mechanics 1&2/diesel mech
7,027 satisfied customers
My Mitsubishi Mini Excavator MSO30 controls should I say are
Sir, My Mitsubishi Mini Excavator MSO30 controls should I say are out of standard pattern. Can I switch hoses to correct this? … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
7,027 satisfied customers
Pearl, I have 1993 jcb backhoe and would like to change
Gray Pearl, I have 1993 jcb backhoe and would like to change control pattern from backhoe to excavator control pattern can u advise please , many thanks Paul Sheahan. Email....***@******.*** … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
7,027 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
7,027 satisfied customers
Link belt ls1600CII. The main problem in having is when the
Link belt ls1600CII. The main problem in having is when the boom is lifted, its slow and bogs the engine down unless you bottom out the arm function at the same time, then the boom shoots right up. Ev… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
7,027 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
1,287 satisfied customers
I have a 120 cat excavator (1992). Over the last year or so
i have a 120 B cat excavator (1992). Over the last year or so my final drives have been displaying less and less power. First I lost fast travel, but slow was still strong, but that has continued to d… read more
Fieldtech59
Fieldtech59
270 satisfied customers
Caterpillar -200, EL Engine 3116• Hydraulic problem• Pump
Caterpillar B-200, EL Engine 3116 • Hydraulic problem • Pump pressure at 2500 psi • Engine stall proportional value pressure at 33o psi, also stall • Boom an arm stall at 2500psi • Single pump pressur… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,287 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
1,287 satisfied customers
I have a cat e70b. Replacing final drives , replacement drives
I have a cat e70b. Replacing final drives , replacement drives have a port for 2 speed,my machine is single speed, can I plug this port, or do I need to tie it to pressure relief line?… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,287 satisfied customers
Cat 322bl sn 8nr20091. Left track slower than the right, will
Cat 322bl sn 8nr20091. Left track slower than the right, will walk straight when activating another function eg swing, arm etc, I've been told one side of the main pump could be getting tired, hence t… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,287 satisfied customers
I have a 1992 Kobelco Excavator. Iam installing a pattern
I have a 1992 Kobelco Excavator. I'am installing a pattern changer, I need to identify four hydrualic hoses to connect the changer. The hoses are Boom Up, Boom Down, Crowd In, Crowd Out. Is there a si… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
7,027 satisfied customers
I have a Bobcat 320 Excavator serial# XXXXXXXXX with a Dukes
I have a Bobcat 320 Excavator serial# ***** with a Dukes 6-spool hydraulic control valve problem. When I curl the bucket, the boom and right hand travel quit working. The section of the pump that conr… read more
Danielle-Moderator
Danielle-Moderator
5 satisfied customers
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