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  1. O

    Hydraulic reservoir temperature fault.

    Have a 1998 John Deere 670c road grader. Changed filter and fluid with correct fluid and filter. Runs for about 2 hours and then hydraulic reservoir temp fault comes on and return line and pump are extremely hot ? Any suggestions what to look for ?
  2. O

    Bud Oil Temp Reservoir light

    New to working for a small company that has a 1998 JohnDeere 670C grader. Grader runs great except after couple hours use I will get a hydraulic temp reservoir warning light. I get out and place my hand on reservoir tank and it’s warm but not hot. Where do I need to be looking for the source of...
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