Product Manual

USE AND MAINTENENACE LIGHT TOWER

TROUBLESHOOTING

When pumping, the mast does not extend or extends partially

1. Obstruction or throttling of the pneumatic hose from the pump or from an

external source to the mast

Proceed by cleaning, dismounting and with the possible substitution with an

equivalent spare part.

2. Pump inefciency

Try the pump without the hose; make sure that the air release valve on the

pump itself is open. If the pressure supplied is not enough, please do the

maintenance by replacing the internal gaskets.

3. Check the air discharge valves are closed

Be sure that both (on the pump and on the mast base) are closed.

4. Lock the mast handles

Loosen all the handles to enable a smooth sliding

5. Check the status of the one-way valve

Check the valve (C) positioned on the pump outlet compels the pressure

return. On the contrary, please replace the valve with a proper spare part.

6. Check the mast gasket

Once the leaking gasket has been detected, proceed dismantling the mast

and replace it.