Belt Adjustment; Adjusting The Belt Tension - Diamondback 510T Operating Instructions Manual

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Care and Maintenance

Belt Adjustment

Improper maintenance can cause damage to the
treadmill or shorten the life of the product and
exceed the LIMITED WARRANTY coverage.
A. Important: Never use abrasives or solvents
to clean the treadmill. To prevent damage to
the computer, keep liquids away and keep it
out of direct sunlight.
B. All parts of the treadmill must be checked and
tightened regularly. Worn parts must be
replaced immediately.
BELT ADJUSTMENT
You may need to adjust the running belt during
the first few weeks of use. All running belts are
properly set at the factory. It may stretch or
become misaligned following use. Stretching is
normal during the break-in period.

ADJUSTING THE BELT TENSION

If the running belt feels as though it is "slipping" or
hesitating when you plant your foot during a run,
the tension on the running belt may have to be
increased.
TO INCREASE THE RUNNING BELT TENSION
STEP 1: Place allen wrench on the left belt
tension bolt. Turn the wrench clockwise 1/4 turn to
draw the rear roller and increase the belt tension.
STEP 2: Repeat STEP 1 for the right belt tension
bolt. You must be sure to turn both bolts the same
number of turns, so the rear roller will stay square
relative to the frame.
C. Repeat STEP 1 and STEP 2 until the slipping
is eliminated.
D. Be careful not to tighten the running belt
tension too much as you can create
excessive pressure on the front and rear roller
bearings. An excessively tightened running
belt may damage the roller bearings that
would result in bearing noise from the front
and rear rollers.
TO DECREASE THE TENSION ON THE
RUNNING BELT, TURN BOTH BOLTS
COUNTER-CLOCKWISE THE SAME NUMBER
OF TURNS.

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