crank arms problem
Hi, please help me if u know how. I have felt q8oo and truvativ howitzer cranks. I want to take them off and clean everythng, but I dont know how. Ive bought crank puller from ebay http://www.ebay.co.uk/itm/Bike-Bicycle-Cycle-Crank-Wheel-Puller-Remover-Repair-Extractor-Maintenance-Tool-/191166731729?pt=UK_SportsLeisure_Cycling_BikeLocks_SR&hash=item2c826cd5d1 but its not working because i dont have square crank inside the nave. how can i take off the bloody pedals?