what could be the problem

carol souter, September 2010

and check the cloth filter

gts, September 2010

Take the hose out and cover the hole with your hand - you should feel the suction and the motor will race.

If the suction is good with your hand over the hole then either the hose is blocked (racing motor) with the hose connected or air is getting in where it should not (motor not racing)

Peccavi, September 2010