NordicTrack Walkfit 5500 Treadmill English Manual - Page 24

2. Remove the upper-•body resistance knob. spring. and bearing assembly from the cord drum (Figure 41. inspect the bearing. Lightly oil the bearing if it is not greasy. Upper-body resistance knob--------Eir Spring Broke pod - Figure 4 Bearing assembly Cord drum 5. Spread one to two drops of light household oil (or sewing machine oil) on the bralcc.! pad. DO NOT OVER-O11.1 Excess oil may spray out when the cord drum is spinning. Let the oil absorb overnight. The cord drain may rest on th❑ brak❑ pad; do mai replace the arm-resistance knob, spring or bearing assembly al this time. h. Wipe any excess oil away from the area around (he pad. 7. Replace the upper-body resistance knob, spring. and bearing assembly. Place the bearing assembly in this order: washer. bearing, washer. .3. Lill the cord drum and roughen (lie surface of the leather-brake pad wick 100-grit sandpaper. 1. inspect die bottom of the cord drum. If the plate has grooves worn into it. remove the four screws and use the other side. Replace and tighten the lour screws.