CYBEX Arc Trainer 600A - Page 65

NOTE: If you are not replacing the
primary belt skip to step 14.
! WARNING: Do not touch
components on the
lower board. A charge
can remain after
unplugging the power
cord and turning off the
unit.
8. Remove the lower board assembly
(if applicable).
A. Pull out on the lower board
shield. See Figure 9.
NOTE: It will snap out.
B. Disconnect the elevation
motor cable from the
lower board. See
Figure 10.
C. Using a 3/8” nutdriver,
remove the nut, washer
and ground wire from
the stud above the
lower board. See
Figure 10.
D. Using a Phillips head
screwdriver, remove the
top two screws from the
lower board assembly
and loosen the bottom
two screws. See Figure 11.
E. Slide the lower board assembly
to the left and off the two
screws, then gently let it
suspend by the cables.
9. Remove the crank shaft
assembly (if applicable).
A. Using a 9/16” socket wrench
and a 9/16” open end wrench,
remove the two bolts, four flat
washers and two nuts from each
of the top pillow blocks. See
Figure 12.
Cybex Arc Trainer Owner’s & Service Manual
Page 7-9
Table of Contents . . . . . . . . . iii
7 Service
Warnings/Cautions . . . . . . . 7-1
Test Mode . . . . . . . . . . . . . . 7-2
LED Functions . . . . . . . . . . . 7-3
Key Functions . . . . . . . . . . . 7-3
Error Codes . . . . . . . . . . . . . 7-4
Speed Sensor Adjustment . 7-5
Drive Belts . . . . . . . . . . . . . . 7-7
Eddy Current Brake. . . . . . 7-13
Elevation Motor . . . . . . . . . 7-16
Power Switch . . . . . . . . . . 7-20
Upper Pillow Blocks . . . . . . 7-22
Lower Pillow Blocks . . . . . 7-26
Pedal Arm & Linkage Arm . 7-28
Lower Control Board . . . . . 7-29
Upper Display Board . . . . . 7-31
Contact Heart Rate Board. 7-33
CSAFE Board . . . . . . . . . . 7-35
Upper Display Cable . . . . . 7-36
Lower Display Cable . . . . . 7-38
Display Overlays . . . . . . . . 7-41
Parts List . . . . . . . . . . . . . . 7-43
Exploded Views. . . . . . . . . 7-45
Schematic . . . . . . . . . . . . . 7-51
Figure 9
Lower Board
Shield
Figure 10
Nut
Elevation
Cable
Washer Stud
Ground
Wire
Figure 11
Remove Top Screws
Loosen Bottom
Screws
Figure 8
Lower Pivot Assembly
Lower
Pulley
Secondary Drive Belt
(Removed in Step 7)
Lower Board
Assembly
Spacer (2)