10
7
STARTING THE PUMP
IMPORTANT: DO NOT RUN DRY THE PUMP (WITHOUT LIQUID).
• Do not use the pump with pressure values above those indicated in the technical specifications.
• Do not pump explosive or inflammable liquids such as gasoline, kerosene, fuel oil etc. Do not use in explosive atmospheres.
• The pump must be used only with liquids compatible with the materials of its components.
• Do not aim water jets at the equipment.
• Do not use solvents or fuel to clean the case outer surface.
• Only use ARAG genuine spare parts and accessories.
ARAG is not liable for serious personal injuries, damages to the system, to persons, animals or property caused by the non-
observance of the above-mentioned rules, that will automatically void the warranty.
8
MAINTENANCE / DIAGNOSTICS / REPAIRS
8.1
Troubleshooting
CAUSE
MALFUNCTION
REMEDY
Insufficient flowrate (H20)
Hydraulic motor not suitable for the system
• Refer to the data/diagrams table.
Loss of air in the suction line
• Check and seal tubes and fittings.
Suction line below standard size or collapsed tube
• Replace tube (ref. 'connection' section).
Clogged filters
• Carry out an adequate maintenance (filter cartridge cleaning).
Rotors clogged
• Contact a Service Center to have the rotors checked and cleaned.
Rotor seizure (dry running)
• Contact a Service Center to have the rotors replaced.
Hydraulic system (OIL)
overheating
Hydraulic motor not suitable for the system
• Refer to the data/diagrams table.
Motor hydraulic tube insufficient size
• Check the size of the tubes (Table 4).
8.2
Technical data
Description
MP400 Pump
Operating temperature
0 °C ÷ 60 °C
32 °F ÷ 140 °F
Storage temperature
-30 °C ÷ 80 °C
-22 °F ÷ 176 °F
Size
ref. Par. 5.2
Weight
9,8 kg
9
END-OF-LIFE DISPOSAL
Dispose of the system in compliance with the established legislation in the country of use.
Tab. 7
