a. Reinstall the Inner Pivot Block cover onto the Stairarm Pivot Block and secure
using two 5/16" hex head bolts.
b. Install the flat washer and then the wave washer onto the Crank Spindle. Note
that the flat washer sets against the crank.
c. Then slide the Stairarm Pivot Block onto the Crank Spindle. Secure using the
retaining ring and external 0.047" retaining ring pliers.
d. Reinstall the Crank Retention Plate and secure using a NEW #3 Phillips Nylock
screw (see
, bubble # 283).
CAUTION
: Do not reuse the removed Retention Plate Nylock patch screw
fastener for installation. Discard the removed bolts and order new bolts for
installation, see
, bubble # 283.
e. Reinstall the Outer Pivot Block cover and secure using the #2 Phillips screw.
4. Verify machine operation and return to service, see
.
Stairarm Replacement - Machines with original Input Drive Assembly
Use this procedure for machines with the original Input Drive assembly (original Input Drive
Contact Precor Customer Support at support@precor.com or 800.786.8404 with
any questions.
Page 152
6 Replacement Procedures
Stairarm Replacement