ProForm 540 English Manual - Page 11

13. Attach the Latch Housing (48) to the Left Upright (53) with two Latch Screws (10); start both Latch Screws and then tighten them. Make sure that the large hole in the Latch Housing is on the indicated side. Remove the knob from the pin. Make sure that the collar and the spring are on the pin. (Note: If there are two collars, place one on each side of the spring.) Insert the pin into the Latch Housing (48). Then, tighten the knob onto the pin. 13 48 Knob 10 Large Hole 53 Spring Collar Pin 14. Make sure that all parts are properly tightened before you use the treadmill. Keep the included hex key in a secure place. The hex key is used to adjust the walking belt (see page 21). To protect the floor or carpet, place a mat under the treadmill. 11