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My 320 CAT excavator is running hot. Hydraulic oil sample
My 320 CAT excavator is running hot. Hydraulic oil sample showed water in the oil. What should I do next? … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,283 satisfied customers
I have a cat th63 telahandler and i am having trouble with
I have a cat th63 telahandler and i am having trouble with the boom extending … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,283 satisfied customers
I am changing the hydraulic fluid in my Cat 302.5 mini
Hi I am changing the hydraulic fluid in my Cat 302.5 mini excavator. How do I ensure I get as much of the old fluid out of the system as possible? And do I need to bleed off air when starting up after… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 1997 Daewoo 220 Solar LC-III excavator. I run one
Hi Dan I have a 1997 Daewoo 220 Solar LC-III excavator. I run one hour and the temp climbs sky high. I cleaned and degreased the radiators, the coolant level is fine, the pump is fine, etc. I notice i… read more
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Low brake pressure warning light on after Hydraulic
low brake pressure warning light on after Hydraulic oil/filter change on 2009 426 loader s/n 129 it starts with .. . I did it once about 2 years ago but I cant get remember How I did it. I cant find t… read more
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I changed several hoses and now it wont go forward or
I changed several hoses and now it wont go forward or reverse but the bucket controls work fine… read more
John Oliver
John Oliver
none
3 satisfied customers
I have a cat 247 b2 that blew a hydraulic hose yesterday. i
i have a cat 247 b2 that blew a hydraulic hose yesterday. i pulled the hose and changed it out. i then refilled the hydraulic fluid and started the machine. it wont move forward or backward as well as… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
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I have a leaking hydraulic line connection on a CAT 322B excavator
I have a leaking hydraulic line connection on a CAT 322B excavator between the boom and the stick. I bought a new O-ring seal from CAT for the connection, but I'm not sure what I need to do to replace… read more
Bradley Martin
Bradley Martin
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I just replaced the final drive on my newly purchased 1994
Hi I just replaced the final drive on my newly purchased 1994 311 cat w 6655 hours on it and don't want to buy another final at 7000 dollars.ive heard a common cause of final failure is a bad o-ring/s… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,283 satisfied customers
I have a cat skidd steer 277b sn# MDH00744 trying to figure
Hi I have a cat skidd steer 277b sn# ***** trying to figure out how to drain the hydraulic oil so I can change it… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
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I have a doosan dl200. Engine overheating. I think my fan
I have a doosan dl200. Engine overheating. I think my fan isn't working properly. What is pump pressure suppose to be at fan valve manifold. And how can I check it? I have gauge but not sure if it's r… read more
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Auto Mechanics 1&2/diesel mech
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pyrometer gets to hot, cleand out radiators and is still getting
pyrometer gets to hot, cleand out radiators and is still getting hot, charge air cooler has been checked for leakes and is good, what do you think could be the problem. Ken… read more
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Daniel Wilson
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I have a 252b3 2012 with only 80 hours and every time you start
I have a 252b3 2012 with only 80 hours and every time you start it you can hear a loud hydraulic noise coming from seemingly under my feet. It sounds like fluid being pushed through a hole with air in… read more
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l have problem in my machine which is Cat 330BL.Excavator,
l have problem in my machine which is Cat 330BL.Excavator, the hydraulic oil is over heating but its working so what is the problem?… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,283 satisfied customers
hi we have a cat th220b telescopic handler 2008 and when its
hi we have a cat th220b telescopic handler 2008 and when its been at work for an hour the boom stops lowering.All other hydraulics still work.When the machine has been left for a couple of hours to co… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,283 satisfied customers
hey guys Ive recently had a problem with the mines cat
hey guys I've recently had a problem with the mines cat 980h wheel loader, the operater ran the hydraulic tank fairly low so that it wasnt on the sight glass, an he complained of slow boom operations(… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,283 satisfied customers
I have KOMATSU WA320, I have a problem with the Transmission
I have KOMATSU WA320, I have a problem with the Transmission , its Seems that the Hydraulic is mixing with Air !! can you help ?… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
957 satisfied customers
I have a 2001 246CAT skid steer loader / Serial # 5SZ04443,
I have a 2001 246CAT skid steer loader / Serial # 5SZ04443, and my problem is back pressure on my return hydralic lines to the tank. The only time I have a problem is when i use the hydralics on the l… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,283 satisfied customers
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