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John Deere 570A brake control valve
Sure is a lot of help here! Forget this!- RPRZEN
- Post #2
- Forum: Motor Graders
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John Deere 570A brake control valve
I have encountered an old 70s model 570A that had blown a piston out of the brake control valve. I rebuilt the valve with new internals and checks. I installed it and when I ran the unit to test function it blew the gasket out between the two body sections. What am I missing here? Could it be a...- RPRZEN
- Thread
- Replies: 3
- Forum: Motor Graders
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Diesel seeping into oil...Injectors or pump? cat 3204
Same issue here. Lift pump and injector lines have been replaced. Still making oil. -
Ingersoll-Rand SD-100F Pro-Pac
I am currently diagnosing an electrical issue on an IR SD 100F TF roller. PIN 194500. Does anyone have an electrical schematic? -
JOHN DEERE 850 J wlt TO850JX157855 HYDRAULIC ISSUES
BTW 35 YEARS EXPERIENCE IN ALL SORTS OF EQUIPMENT REPAIRS NOT JUST CAT, OR JOHN DEERE. IVE FORGOTTEN MORE THAN YOU WILL EVER KNOW.... -
JOHN DEERE 850 J wlt TO850JX157855 HYDRAULIC ISSUES
hey bud. geez give me a break! enough already!!! i know there is value in this forum and respect the hell out of mg im sure his experience is bar none. but i dont want to waste the mans time. im not a quitter like you are implying. the customer has already had this thing torn to hell and back by... -
JOHN DEERE 850 J wlt TO850JX157855 HYDRAULIC ISSUES
not going to spend a ton to make a negative profit. it is economics pure and simple. i never give up and you dont know me well enough to make that statement. good evening.. -
Waking up some old iron
it probably dripped out over time. the clutch housing gasket is like jigsaw puzzle pieces and pretty iffy on a 100% seal. just add some nd30 and let her rock. -
JOHN DEERE 850 J wlt TO850JX157855 HYDRAULIC ISSUES
it is all functions excluding the Hydro. told customer no money in it for me. manuals total over $500. EDL tool $2300. service advisor $500. no thanks. will stick with the CAT equipment.. -
Cat D8 $8000.00 buy or run like the wind?
i dont know about other areas but holt buys them here in south texas. many of those old brush dozers still at work here. -
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850B deere dozer problem
DOES ANYONE ON THIS THREAD HAVE ANY INFO ON JD 850J HYDRAULICS? DONT MEAN TO HYJACK THIS THREAD. HAVING ISSUES WITH BLADE HYDRAULICS. -
Cat D8 $8000.00 buy or run like the wind?
SELL TO YOUR LOCAL CATERPILLAR DEALER FOR PARTS. THEY MAY TAKE IT OFF YOUR HANDS. I KNOW HOLT CATERPILLAR BUYS PARTS MACHINES AND PARTS THEM OUT AS MOST PARTS HAVE BEEN DISCONTINUED. THERE IS A GOOD SALVAGE MARKET. -
Dozer Repair Central Texas
IM SOUTH OF SAN ANTONIO. WILL BE INTERESTED IN COMING TO CHECK YOUR UNIT IF YOU ARE INTERESTED. -
Waking up some old iron
LOOKS LIKE YOU HAVE A GRAND PROJECT. IM ASSUMING IT HAS THE PONY MOTOR AND IS DIRECT DRIVE WITH THE CABLE POWER UNIT? YES, LIKE YOU SAID, GET PONY MOTOR RUNNING OF COURSE( MAYBE CONVERT TO 24 VOLT ELECTRIC START LATER). CHECK AND CLEAN FUEL SYSTEM BY DRAINING ALL OLD FUEL. BLOW OUT FUEL LINES... -
JOHN DEERE 850 J wlt TO850JX157855 HYDRAULIC ISSUES
HELLO ALL, I HAVE AN ISSUE WITH A JOHN DEERE 850J DOZER. THE HYDRAULICS LOOSE PRESSURE WHEN LIFTING THE BLADE TO FULL STOP AT OR ABOVE 50% THROTTLE. ONCE THAT HAPPENS IT WILL LOWER BLADE VERY SLOWLY AND NOT LIFT AT ALL. IT IS LIKE THE PUMP OR CONTROL PRESSURE IS DERATED FOR SYSTEM PROTECTION. IF...