CYBEX 770T Service Manual page 151

3. Install the two roller bolts that fasten the front roller to the frame. Do not tighten the bolts at this time.
Ensure that the drive belt is aligned properly in the grooves on the drive motor pulley and front roller
pulley. The drive belt should be positioned in the inner most groove of the drive motor pulley.
Install rear roller
1. Slide the rear roller into the running belt.
2. Install the bolt, washer, bushing and rear roller nut for each side of the roller into position.
3. Tighten the two rear roller bolts using a 3/4" Socket wrench.
Tighten each bolt evenly, making sure not to tighten either bolt too many turns before moving to the
other bolt.
4. Continue to tighten bolts until the front roller is all the way back in the tensioning slots.
5. Tighten the front roller bolts using a 9/16" Socket wrench.
Cybex 770T/790T Treadmill Part Number
Page 151 of 261
Item Description
1 Front Roller Pulley
2 Drive belt
3 Drive Motor Pulley
Item Description
1 Rear roller nut
2 Rear roller
3 Bushing
4 Washer
5 Bolt
Qty.
1
1
1
Qty.
1
1
1
1
1