Broce FMJ470 - Page 48

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48
BROCE FMJ470
PROBLEM PROBABLE CAUSE SOLUTION
Hydraulic System has
very little power. Power
steering operates OK.
1. Relief valve stuck open
2. Weak pump
1. Check relief valve.
2. Check system pres-
sure.
No hydraulic power
including steering but hy-
drostatic system seems
OK.
1. Bad gear pump 1. Replace gear pump.
No hydraulic power
including steering and
hydrostatic drive.
1. Broken shaft or coupler
in hydrostatic pump
1. Refer to hydrostatic
trouble shooting sec-
tion in Sauer-Danfoss
Manual.
MAINTENANCE
(TROUBLESHOOTING)