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Figure 1 - Power Input Switch (with fuse)
2. Remove the two black M3x0.5x8mm Phillips screws that mount the switch assembly to the power
input assembly mounting plate. The screws have loctite applied so be careful when you remove
them to avoid stripping them.
3. Apply red loctite (MS 222) to the screws and install the replacement switch in the position shown
in Figure 1 above. Tighten the screws to Melco Torque Specifications.
Figure 2 Power Input Switch Wiring
4. Attach the red, black and green connectors from the power switch interface harness and ground
cable to the back of the power switch as shown in Figure 2 above. The leads are labeled as indi-
cated by the text below each connection.
Fuse Replacement
Do not remove the power input assembly if all you need to do is replace fuses.
Figure 1 - Fuse Holder
1.
With your finger nail or a screwdriver, pry the fuse holder out of the power input switch as shown
in Figure 1 above.
2. Either replace both fuses, or use an ohmmeter and verify the continuity on both, replacing the one
with little or no continuity. Replace fuses with Time Lag Ceramic Body Cartridge fuses, Rated T5A,
250V (PN: 010162-05). Fuses of equivalent size, capacity and quality can be used.
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