Life Fitness Weekly Service Manual page 37

2. Install drive motor pulley and key to drive motor shaft.
NOTE: Do not tighten set screws on drive motor pulley. They will be tightened during pulley alignment.
3. Carefully place drive motor assembly onto studs of motor pan.
4. Install four hex nuts, four washers, and four plastic shoulder washers securing drive motor to motor mounting studs
in the frame.
5. Align drive motor pulley to front roller pulley.
a. Using a straight edge, align outer face of drive motor pulley with outer face of front roller pulley.
b. Slide drive motor pulley in or out on drive motor shaft during alignment.
c. Tighten set screw over the key on drive motor pulley first. Rotate motor pulley by pushing on flywheel to make
sure pulleys have been properly aligned and belt is running true.
6. Tighten second set screw. Torque both set screws 51-71 in-lbs. (59-82 kg-cm).
7. Hold the hex head of the idler pivot shaft with a crescent wrench and install the hex bolt securing the pivot shaft to
the frame with a ratchet wrench.
8. Install drive motor belt around motor pulley.
Item
1
2
3
4
Item
1
2
3
4
Page 35 of 143
Description
Drive motor
Drive motor pulley
Set screw
Key
Description
Front roller pulley
Drive motor belt
Drive motor pulley
Spring
Qty
1
1
2
1
Qty
1
4
1
1