~ 5 ~
4. Noise level
The uncertainty is 4dB(A).
5. Maintenance
5.1. Lubrication
The mechanical seal and shaft sleeves are
lubricated by the pumped liquid.
5.2. Periodic checks
The following checks should be carried out
periodically to ensure the normal operation.
5.2.1. Check the quantity of liquid and operating
pressure.
5.2.2. Check there are no leaks on piping joints.
5.2.3. Check the tripping of the motor starter.
5.2.4. Check that all controls are functioned
normally.
5.3. The pump must not be used to transfer
explosive liquids. In systems with hot
liquids (over 60°C), extra caution should be
exercised to prevent from personal injury.
5.4. The pump should not be used to transfer
toxic or contaminated liquids. Please
carefully follow all instructions in the
manual as Walrus may refuse to accept the
contaminated pump for servicing.
5.5. If the supply cord is damaged, it must be
replaced by a special cord or assembly
available from the manufacturer or its service
agent.
6. Wiring diagram
6.1 Single Phase ( 230V )
6.2 Single Phase (115/230V )
6.3 9 Wire, 3 Phase
6.4 12 Wire, 3 Phase