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I've got a new to me cat 289C with 3900 hours. Bought a HD
I've got a new to me cat 289C with 3900 hours. Bought a HD root grapple, moved a couple of logs then bam - grapple arms won't close. Will open! Thumb wheel only appears to call for hydraulics in one d… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,328 satisfied customers
Cat 320C excavator. Thumb will intermittently stop working.
Cat 320C excavator. Thumb will intermittently stop working. While watching live data on cat ET while the thumb stops working it shows basically all the AUX hyd valves and thumb rollers on left and rig… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,328 satisfied customers
Cat 320C excavator. Thumb will intermittently stop working.
Cat 320C excavator. Thumb will intermittently stop working. While watching live data on cat ET while the thumb stops working it shows basically all the AUX hyd valves and thumb rollers on left and rig… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,351 satisfied customers
For catmastertech the left pilot solenoid replacement seems
for catmastertechthe left pilot solenoid replacement seems t have taken care of the electrical issues _ Yah!There is a remaining issue of the draw down on power after the right stick is used 9/10 time… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,328 satisfied customers
I recently purchased a 2006 Cat 252B and unfortunately the
I recently purchased a 2006 Cat 252B and unfortunately the middle section of the Operators manual is missing. I'm not sure the process to engage the auxiliary hydraulics. I've confirmed all the fuses … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,328 satisfied customers
2009 CAT 247b2 serial # CAT0257bvslk07704 Have right
2009 CAT 247b2 serial # CAT0257bvslk07704Have right joystick with thumb roller. Was running rock grapple and it quit responding. Would open and close sporadically. Would have to move roller back and f… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,328 satisfied customers
I recently installed a thumb on my komatsu 200-6. The right
I recently installed a thumb on my komatsu 200-6. The right hand control has micro switches that need to be wired to the electric over hydraulic values … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,351 satisfied customers
06 June 2020 03:40 I have a Cat 257B Skid steer and the
06 June 2020 03:40I have a Cat 257B Skid steer and the grapple will open with the thumb wheel but will not closet. Once in a while it will. we replaced the ECM with a used one and have taken it to a C… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,328 satisfied customers
I have older Cat 226. Thumb switches on right hand joy stick
I have older Cat 226. Thumb switches on right hand joy stick are starting to work intermittently. any suggestions on where to start diagnosing? … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,351 satisfied customers
I have a 2006 cat 277b with the aux thumb wheel. Is there
I have a 2006 cat 277b with the aux thumb wheel. Is there any way of locking the hydraulics so I dont have to hold the thumb wheel while power raking … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,328 satisfied customers
Can not get the aux thump wheel to stay running nor will the
Can not get the aux thump wheel to stay running nor will the high flow lock in. Have a cat 257b with high flow and am currently using a brush mower. … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,328 satisfied customers
I have a 2006 Cat skid steer 252b. Auxiliary hydraulics
I have a 2006 Cat skid steer 252b. Auxiliary hydraulics won't work. I've never had a work tool on it before, so I've no experience with it … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,328 satisfied customers
I have a 226B cat skid steer. The hydraulic controls for the
I have a 226B cat skid steer. The hydraulic controls for the bucket open and close have gone haywire. How to diagnose the problem is my ?… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,328 satisfied customers
Using a Brush Cutter and work tool lock-out will not enguage
using a Brush Cutter and work tool lock-out will not enguage letting me operate without holding the button on the joy stick … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,351 satisfied customers
2008 Caterpillar 287C Skidsteer Left Joystick Buttons are
2008 Caterpillar 287C Skidsteer Left Joystick Buttons are not functioning. All fuses and wiring harness appears ok… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,351 satisfied customers
i have a 287b skid steer and the aux hydraulics stopped working.
i have a 287b skid steer and the aux hydraulics stopped working. i have checked the fuses and the solenoids. what else should i check?… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,328 satisfied customers
Would like to add hydraulics to thumb on my case 9010b excavator.
Would like to add hydraulics to thumb on my case 9010b excavator. Do you have diagram for this. What is required besides new pilot control, relief valve, valve on high pressure side and valve from pil… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,328 satisfied customers
Hello Chris,We have a 2004 Cat 314 C L excavator. Right
Hello Chris, We have a 2004 Cat 314 C L excavator. Right side joy stick. The function to open and close the bucket has a problem. On the open side everything seems to work properly........On the close… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,351 satisfied customers
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