Life Fitness 4500HR Service Manual page 36

Life Fitness Model 4500HR Treadmill
How To... ADJUST AND TENSION THE STRIDING BELT
Tools Required: Hex key wrench set, Phillips screwdriver
CAUTION: DO NOT MOVE OR PLACE YOUR HANDS UNDER THE UNIT WHILE THE MACHINE IS
It is EXTREMELY important that the treadmill be correctly leveled prior to any tracking adjustments.
Tracking (Centering) an Existing or New Striding Belt
Step 1
Locate the two belt TENSIONING BOLTS on each side of the REAR ROLLER MOUNTING BRACKETS. The
TENSIONING BOLTS are accessible from the holes provided in the ENDCAPS.
Step 2
Enter the Manual program and set the belt speed to run at 4.0 mph (6.4 kph).
NOTE: EACH ADJUSTMENT MADE TO ONE SIDE OF THE REAR ROLLER MUST BE MET WITH AN
EQUAL AND OPPOSITE ADJUSTMENT TO THE OTHER SIDE OF THE REAR ROLLER TO
CAUTION: DO NOT OVER TIGHTEN THE TENSIONING BOLTS WHILE MAKING BELT ADJUSTMENTS.
OVER TIGHTENING OF BOLTS MAY OVER STRETCH AND DAMAGE THE STRIDING BELT AS WELL AS
PLACE AN UNNECESSARY LOAD ON THE REAR ROLLER BEARINGS.
If the STRIDING BELT has moved to the right,
turn the right TENSION BOLT 1/4 turn clock-wise
and the left TENSION BOLT 1/4 turn counter-
clockwise to start the STRIDING BELT tracking
back to the center of the REAR ROLLER.
18
PLUGGED INTO AN ELECTRICAL OUTLET.
An unstable unit may cause Striding Belt misalignment.
MAINTAIN AN IDEAL BELT TENSION AT THE PIVOT POINT.
If the STRIDING BELT has moved to the left, turn
the left TENSION BOLT 1/4 turn clock-wise and the
right TENSION BOLT 1/4 turn counter-clockwise to
start the STRIDING BELT tracking back to
center of the REAR ROLLER.
the
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