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Dana Incorporated
IMM-0007EN Pump Drives BZ
11 PROBLEMS AND RELATIVE SOLUTIONS
If malfunctions occur, consult the following table. If the problems continue, contact the nearest Dana Incorporated service cent-
ers.
Table 8:
PROBLEM
POSSIBLE CAUSE
SOLUTION
With motor running the pump shafts don't
turn
1)Incorrect motor assembly
1) Check coupling between pump drive and
motor
2) Internal malfunction
2) Contact a Service Center
Excessive vibration
1) Incorrect pump drive installation
1) Verify fixing points
2) Pump drive structure too weak
2) Strengthen the structure
3) Internal malfunction
3) Contact a Service Center
Excessive heating
1) No ventilation
1) Remove fairing
2) High thermal power
2) Insert oil recirculation
3) No lubricant
3) Add lubricant
Oil leak from seals
1) Breather plug clogged
1) Unscrew and thoroughly clean the plug
2) Stiffening of seals due to prolonged storage
2) Clean the area and check for leakage after
a few days
3) Damaged or worn seals
3) Contact a Service Center
Excessive noise
1) Internal malfunction
2) Contact a Service Center
Oil leakage from breather during operation
1) Level too high
1) Lower oil level
2) Breather in incorrect position
2) Check breather position
