First Stage Drive Belt Tension Adjustment
About
This procedure provides instruction to adjust the First Stage Drive Belt tension.
A Two-Stage Input Drive system uses a first-stage drive belt and second-stage drive belt sys-
tem to connect the input drive assembly pulley to the generator/brake assembly pulley. Always
adjust the first stage drive belt first and then the second stage drive belt.
IMPORTANT
: Adjust the first stage drive belt tension prior to adjusting the second
stage drive belt tension.
Specifications
System Component
Specification
First Stage Belt Drive Tension - New
(1)
140-150 lbs (63.5 - 68 kgs)
First Stage Belt Drive Tension - Used
(1)
125 - 135 lbs (56.7 - 61 Kgs)
Drive Component Assy Carriage Bolts
180 in-lbs +/- 54 (20.3 +/_ 4.5 Nm)
(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
Review entire procedure before starting.
Contact Precor Customer Support at support@precor.com or 800.786.8404 with
any questions.
Page 45
5 Adjustment Procedures
First Stage Drive Belt Tension Adjustment