Precor C842 Service Manual page 56

19. Remove the display housing per Procedure 7.12, steps 1-4. Disconnect the interconnect
cable from J1 of the upper PCA or the heart rate cable from J4 of the hand held heart rate
PCA, as required.
20. Connect the replacement interconnect cable to the J1 connector on the upper PCA or the
replacement hand held heart rate cable to J4 of the hand held heart rate PCA.
21. Set the display housing at it's mounting position on the display backing plate. Replace and
tighten display housing mounting screws.
22. If you are replacing only the upper interconnect or heart rate cable, skip to step 28.
23. On recumbent units, disconnect the lower heart rate cable from the upper heart rate cable.
Slide the seat to its most forward position. Remove the plate covering the heart rate cable.
Disconnect the cable in the frame from the cable to the seat. Pull the cable out of the frame
from the front.
24. Feed the replacement cable into the frame from behind the seat. Pull the cable out of the
front of the frame and connect it to the upper heart rate cable.
25. Connect the other end of the cable to the seat cable. Feed all excess seat cable under the
seat. Replace the cable plate removed in step 27.
26. Disconnect the lower interconnect cable from the upper interconnect cable. Disconnect the
lower interconnect cable from the J2 connector of the lower PCA. Remove the cable from
the frame cable clips.
27. Connect the replacement lower interconnect cable to J2 of the lower PCA. Feed it through
the frame cable clips and connect the other end to the upper interconnect cable.
28. While supporting the column, remove the two large bolts that fastens the lower portion of the
column to the main frame. Carefully move the column away from the bike frame, taking care
not to damage the cables shown in Diagram 6.2. Lay the column on the floor near the front
of the bike.
29. Draw the cable being replaced out of the bottom of the column. Disconnect the cable being
replaced from the lower cable. Feed the replacement cable into the top of the column. When
it appears at lower access hole in the column, draw it out and connect it to its mating lower
cable.
30. Verify that the rubber boot is still on the bottom of the column. Carefully feed the cables into
the column and the main frame as you move the column into its mounting position.
31. Hand start both of the column mounting bolts removed in step 20. Securely tighten both
column mounting bolts
C842, C842i, C846, C846i Upright and Recumbent Cycle
Page 56