Holmatro IPU-S Serie Manual página 29

• Push the lock ring on the female coupler backwards.
• Push the couplers into each other and the lock ring of the female coupler will automatically lock.
• Check whether the couplers can not be pulled apart with a normal manual effort and turn the
retainer ring clockwise so that the lock ring is secured.
• Connect the dust caps together.
5.3 Disconnect the hydraulic hoses
5.3.1 General
CAUTION
Never use pliers or similar tools to disconnect the hydraulic couplers.
5.3.2 Quick-Lock couplers
Refer to Fig. 5.
WARNING
Always make sure that the pressure relief valve is in the open (0) position, before you
disconnect hydraulic hose(s) from the pump.
• Disconnect the dust caps from each other.
• Turn the retainer ring on the female coupler anti-clockwise to unsecure the lock ring.
• Disconnect the quick couplers by pushing the lock ring on the female coupler backwards and the
male coupler will be released.
• Clean the couplers and the dust caps.
• Replace the dust caps on the female and male couplers.
5.4 Use of the electrical operated control valve
The pump develops oil flow as soon as the motor runs. When the connected tool is not in use, the
electrically operated control valve is in the neutral position and no pressure is build up. When one of the
switches on the connected tool is being operated, oil will flow to the tool that will open or close.
• Connect the control valve cable between the pump (Fig. 2/1) and the tool.
5.5 Start the pump
• Set the switch in the "ON" (I) position.
CAUTION
The electric motor can not be started when loaded.
5.6 Stop the pump
5.6.1 Normal stop
• Set the switch in the "OFF (0) position.
5.6.2 Emergency stop
• Push the Emergency button on top of the pump.
IPU-S 916.000.972_002
EN
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