ProForm 410 Treadmill Trainer English Manual - Page 10

10. Attach the Latch Housing (70) to the Left Upright (73) with two M4 x 19mm Latch Screws (A). Make sure that the large hole in the Latch Housing is on the side shown. Do not overtighten the Screws. Remove the knob from the latch pin. Make sure that the collar and the spring are on the latch pin. Then, insert the latch pin into the Latch Housing (70), and tighten the knob back onto the latch pin. 10 Knob 70 A 73 Spring Collar Pin 11. Make sure that all parts are properly tightened before you use the treadmill. If there are sheets of clear plastic on the treadmill decals, remove the plastic. To protect the floor or carpet, place a mat under the treadmill. Keep the included hex keys in a secure place; the large hex key is used to adjust the walking belt (see pages 20 and 21). 10