Bobcat T740 brake problem.

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JYM654

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Joined
Nov 20, 2024
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So I had a crazy experience. I was running my T740 along the hillside and knew it was getting lower on fuel, but it suddenly shut off and then I rolled backwards down the hill. It appears that the brakes would not hold without the engine running. Luckily it rolled a short distance and it flattened out, and I never hit anything. From what I can tell the brakes work fine when it's running, but don't hold if it is not running. Any ideas on what could cause this?
 
So I had a crazy experience. I was running my T740 along the hillside and knew it was getting lower on fuel, but it suddenly shut off and then I rolled backwards down the hill. It appears that the brakes would not hold without the engine running. Luckily it rolled a short distance and it flattened out, and I never hit anything. From what I can tell the brakes work fine when it's running, but don't hold if it is not running. Any ideas on what could cause this?
So the Engine was turned off?
What do you have Joysticks or Manual Steering?
Test the Brake:
Manual Steering-- Unlock and operate machine--apply brake via brake switch or lift seat bar-- apply pressure with manual controls to hydrostatic pump and see if you move either on one side back or forward or even on both sides--if you almost stall out the engine your brakes are good--if you can drive, even slowly and it makes a squalling noise, your brake is bad one at least one side

Joystick machine: unlock and operate machine--switch to H-Pattern--apply brake via switch ONLY--drive each side forward or backwards and check if the machine drive in either direction--if yes one or more brakes are bad

if either test reveals that the brake drives for a moment and then holds the machine, you popped valve in the control valve could be bad, but I would have to tell you to perform a other test
 
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