Do not leave the needle running in air as it will overheat and is only efficiently cooled when immersed.
Do not stop the vibrator whilst needle immersed as withdrawal will be difficult
Do not lubricate the inside of the needle.
clean the needle end tip after every 50 hours of use
Strike the needle against ground to start vibrators
When handling needle, always carry it by gripping the rubber sleeve round the drive shaft thus preventing
excessive bending of the shaft. Acute bends will cause friction and land to overheating.
Therefore, always keep the flexible shaft as straight as possible.
Ensure that needle is immersed fully into the concrete, If required the engine can be replaced by electric
motor 2 H.P. 2880 RPM wound for 400/440 volts, 3 Phase 50 cycles, AC supply with push Button starter.
Needle & Flexible Shafts should be serviced and clean with petrol every100 hours of use.
Ensure that the motor runs in clockwise direction when viewed from far end, otherwise the inner core will
unwind causing irreparable damage to flexible shaft.