FAQ Search Select a Category Cleaning Formulas Cleaning Tips Corporate Deep Cleaners FAQ Hard Floor Cleaners Parts and Accessories Steam Sweepers Vacuums Warranty Web Site and/or go The height adjustment knob on my Pet Hair Eraser® is hard to turn. Any suggestions? Answer: With the vacuum in a locked, upright position, tilt it back slightly so the unit is resting on the back wheels and the front is slightly raised off the floor. This will relieve the pressure against the base, making it much easier to turn the knob. Related Questions Why isn't there any suction with my Pet Grooming Tool? My Garage Pro® blower mode is not functioning. What should I do? The handle on my Momentum or PowerTrak Cyclonic Vacuum is difficult to install. What can I do? My Momentum® or PowerTrak® Cyclonic Vacuum is hard to push. Any suggestions?