Drive Belt Tension and Alignment Adjustment
About
This procedure provides instruction to verify and make adjustments to the Drive Belt tension
and alignment for both the legacy frame and common frame treadmills. The Drive Belt align-
ment and tension should be verified anytime the Drive Belt is removed or when unusual belt
noises are heard during normal operation.
There are separate procedures for the legacy and common frame machines (see "Theory of
Operation" on page283), The new common frame has improved the drive belt adjustment
process by adding a drive belt adjustment bolt mechanism. The new procedure is faster,
easier, and less prone to error.
IMPORTANT: This procedure assumes that the Drive Belt is installed, see "Drive
Belt Replacement" on page142.
Specifications
Belt Condition
(1)
Calibration Belt
Tension Drive Belt Tension
New
(1)
110 lbs +/- 10 (50 kgs +/- 4.5) 100-120 lbs (45-54 kgs)
Used
(1)
85 lbs +/- 5 (39 kgs +/- 2) 80-90 lbs (36-41 kgs)
(1)New belt tension applies to new belt first time installations. Used belt tension applies
to reinstalling an existing belt or re-tensioning an existing used belt.
Procedure
There is a replacement procedure for the legacy frame and common frame configurations.
l Legacy Frame, see "Legacy Frame Drive Belt Tensionand Alignment" below
l Common Frame, see "Common Frame Drive Belt Tensionand Alignment" on
page61
Legacy Frame Drive Belt Tensionand Alignment
Review entire procedure before starting.
Drive belt alignment
CAUTION: Improper Drive Belt alignment can cause unusual operating noises
and will eventually cause damage to the drive belt and/or the motor or roller pul-
ley hardware.
1. Remove the hood, see "Hood Cover Replacement" on page88.
Contact Precor Customer Support at support@precor.com or 800.786.8404 with
any questions.
Page 58
5 Adjustment Procedures
Drive Belt Tension and Alignment Adjustment
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