Precor Precision 400 Series Service Manual page 165

4. Remove the left and right crankarm assemblies, see
ment" on page 151.
5. Remove all tension from the Step-up belt.
a. Use an 11/16" socket to loosen (do not remove) the left and right step-up pulley
shaft nuts.
b. Use a 10 mm wrench to evenly loosen the left and right Step-up belt tension
adjustment nuts. Completely remove all tension and provide as much slack as
possible.
6. Use a 1/2" wrench to loosen the drive belt idler pulley nut to remove all tension from
the input drive belt.
7. Remove the left and right pillow block bearing assemblies. You will need to hold the
input drive assembly in place while removing the right and left pillow block bearing
assemblies.
a. Remove the RIGHT pillow block assembly by removing the two ½" hex head
mounting bolts (2x) and flat washers (2x). Side the pillow block off the input
drive shaft. If you are removing the input drive assembly, slide the flat washer
(1x), two wave washers (2x), and flat washer off the input drive shaft. Discard
the pillow block bearing assembly if it is being replaced. Retain part(s) and/or
fastener(s) for installation.
Contact Precor Customer Support at support@precor.com or 800.786.8404 with
any questions.
6 Available Replacement Procedures
Pillow Block Bearing Replacement
"Crankarm Assembly Replace-
Page 157