CYBEX 770T Owner's Manual page 66

7. Check the belt tension after the running belt has been centered. Make sure the running belt
tension is tight enough so that the running belt does not slip or hesitate when stepped on.
Walk on the treadmill at 3.5 - 4 mph (5.6 - 6.4 kph) and every 4th to 5th step throw your weight
into your step to feel if the running belt is slipping. If slipping is felt, confirm it is the running
belt slipping and not the drive belt. With the hood cover removed, observe movement at the
drive belt and front roller.
Do not over tighten the running belt. Over tightening the running belt can cause the belt to stretch
and require replacement. Continue procedure until running belt stops slipping.
8. Check running belt for centering position. If running belt is not centered, perform steps 5 and
6.
Checking the Running Belt and Deck Surfaces — The running belt and deck should be checked
periodically for any excessive wear. In an effort to make sure that the running belt operates properly,
visually inspect the belt often to make sure that there are no tears or fraying in the belt material. The
running belt should be replaced every 15,000 miles (24,140 km). The running deck should be flipped
every 15,000 miles (24,140 km) and replaced every 30,000 miles (48,280 km). A service prompt will
appear at this interval and the parts will need to be replaced.
Inspect the edges of the belt as described below.
Tools Required
Phillips screwdriver
•
Disconnect the external power source
1. Turn the main power switch under the front end of the unit to the off (O) position.
2. Unplug the treadmill from the power outlet.
Check the running belt condition
1. Remove the two screws securing the right end cap using a Phillips screwdriver.
1
2. Repeat step 1 for the left end cap.
3. Inspect the top surface, seam, and edges of the running belt while you roll it by hand. If the
belt has any rips or looks excessively worn the belt needs to be replaced.
Cybex Owner's Manual
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Screws (2)
Right end cap