Cybex Arc Trainer Owner’s & Service Manual
Page 7-30
B. Remove the access cover.
! WARNING: Flywheel may be hot. Wait until it cools before servicing.
3. Disconnect the cables from the lower board.
A. Pull out on the lower board shield. NOTE: It will snap out.
B. Disconnect the cables from the lower board. This includes the elevation motor cable,
display cable (P1), AC line 1 (J3 black), AC line 2 (J7 white), eddy current brake cable
(J1 and J2) and speed sensor cable (J4).
C. Using a 3/8” nutdriver, remove the nut, washer and ground wire from the stud above
the lower board. See Figure 15.
! WARNING: Do not touch components on the lower board. A charge can remain after
unplugging the power cord and turning off the unit.
4. Remove the lower board assembly.
A. Using a Phillips head screwdriver, remove the top two screws from the lower board
assembly and loosen the bottom two screws.
B. Slide the lower board assembly left and off the two bottom screws. NOTE: Cybex may
want the old parts for evaluation. Call Cybex Customer Service to get an RMA number.
5. Attach the lower board assembly.
A. Place the lower board assembly over the two bottom screws and slide it to the right.
B. Using a Phillips head screwdriver, attach the top two screws removed in step 4A and
tighten the bottom two screws.
6. Connect the cables to the lower board.
A. Connect the cables to the lower board. This includes the elevation motor cable,
display cable (P1), AC line 1 (J3 black), AC line 2 (J7 white), eddy current brake cable
(J1 and J2) and speed sensor cable (J4).
B. Place the washer (first) and the ground terminal (next) onto the stud and tighten with
the nut removed during step 3C.
C. Place the lower board shield in position and snap it in.
7. Test the unit for proper operation.
A. Connect the power cord into the power outlet.
B. Turn the main power switch above the power inlet to the on (I) position.
C. Operate the unit at all levels to verify proper operation.
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