Husqvarna PP490 Operator's Manual

Also see for PP490: Operator's manual

ASSEMBLING AND ADJUSTMENTSEnglish – 7Install the power unitConnecting the unitsConnect the power tool to the designated power take-off,note that there are two different power take-offs. Theupper power take-off is used for the PRIME™ familyproducts. The bottom power take-off is used for wall saws(WS). For more information, see the ”Technical data”section.Connect the cooling water• Connect the water hose to the incoming waterconnector. Remember to use clean cooling water toavoid dirt clogging up the water system.The power pack is equipped with an electric watervalve, which is closed when the power pack isactivated. When the power pack is without electricity,the valve is open to be able to drain water coolant ifthere is a risk of freezing.For more information, see the ”Technical data” section.The other water connection should be connected to thepower tool, the power tool has various regulating taps forregulating the flow of cooling water to the tool. See theoperator’s manual for the respective power tools.! WARNING! Place the power unit on theworkplace, making sure that it isstanding on a stable surface and that it isprotected from water spray.Connect the power unit to a grounded 3-phase outlet.Always connect the machine through anground fault circuit interrupter withpersonal protection, i.e. an ground faultcircuit interrupter that trips at an groundfault of 30 mA.NOTICE! The cooling water will not turn off during apower failure.