Schaeffler PUMP1000-2, User Manual

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M1M2 M3 M4 M5
If the defect cannot be eliminated, please contact
Schaeffler Customer Service.
Possible malfunctions of the foot pump
PUMP1000-5L-AIR
The defect may also lie in an inadequate com-
pressed air supply, in which the requisite air pres-
sure is not achieved or is exceeded. If the defect
cannot be eliminated, please contact Schaeffler
Customer Service.
Oil loss Couplings or connectors are incorrectly
connected
Check the connections
Leakage of pump piston, possibly due
to worn seals
Replacement of seals by qualified professional or Service at
Schaeffler
Pump lever yields
under load in
operation
Air in the oil circuit Completely release the pressure, check the connections,
bleed the oil circuit
u
58
Malfunction Possible cause Remedy
Malfunction Possible cause Remedy
Pump does not
start
Inadequate compressed air supply Check pressure or delivery volume of air supply
Air feed not adequately filtered or
insufficiently lubricated
Check air service unit and oiler
Maximum pres-
sure is not achie-
ved
Insufficient pressure in the air supply Check the pressure of the air supply
No oil feed/no
pressure
Too little oil in the tank Stop operation: release pressure, separate pump. Then
refill with oil
Contaminated suction filter Send the hydraulic pump to Schaeffler for repair.
Control valve damaged
Irregular oil feed Damaged safety valve Send the hydraulic pump to Schaeffler for repair.
Leak in the oil circuit Replace leaking parts or send the hydraulic pump to
Schaeffler for repair.
Worn or damaged pump Send the hydraulic pump to Schaeffler for repair.
Irregular pressure Air in the oil circuit Check the connections, bleed the oil circuit
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58
Contaminated oil Clean the tank and change the oil
Worn or damaged pump Send the hydraulic pump to Schaeffler for repair.
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