ProForm 330i Treadmill English Manual - Page 9

7. Remove the knob from the pin. Make sure that the collar 7 and the spring are on the pin as shown. Insert the pin into the Latch Bracket (77), and tighten the knob back onto the pin. 9 Knob 77 Collar Pin Spring 8. Make sure that all parts are properly tightened before you use the treadmill. Note: Extra hardware may be included. Keep the included allen wrench in a secure place. The allen wrench is used to adjust the walking belt (see page 16). To protect the floor or carpet, place a mat under the treadmill. 9