MAIN POWER SWITCH (RED)
1. Remove the six screws holding the Frame
Cover, set screws and Frame Cover aside
(Figure 3-52).
2. Turn the switch to the OFF position (Figure 3-
53).
3. Configure your DVOM to test for continuity,
contact one probe to the 5A Fuse and the other
probe to the 10A Fuse (Figure 3-54) It should
NOT read continuity.
4. Turn the switch to the ON position.
5. Configure your DVOM to test for continuity,
contact one probe to the 5A Fuse and the other
probe to the 10A Fuse (Figure 3-54). It should
read continuity. If it does not, ensure there are
no loose wires. If the wiring is not defective,
replace the Main Power Switch.
6. If the Main Power Switch is not found to be
defective, troubleshoot the Line Filter and fuses
if you haven’t already done so.
There are no adjustments necessary on the Main
Power Switch.
TESTING
ADJUSTMENT
Figure 3-52. Frame Cover Screws
Figure 3-53. Main Red Switch location
Main
power
Switch
5A Fuse
10A Fuse
Figure 3-54. Fuse Locations
Always remove electrical power from the
SX
prior to performing any maintenance
on the machine.
WARNING
SX
™
Service and Maintenance Manual 3-20 960714-02B © 2007 I2407
SECTION 3 – COMPONENT REPAIR
ELECTRICAL COMPONENTS