Tweco CutMaster 101 with SL100SV - Manual (Page 110)

SERVICE 5-46 Manual 0-4642
5
F. Main Transformer Removal and Replacement
1. Disengage the Heatsink Shroud per Paragraph E.
2. Disconnect wires #27 and 32, connected to terminals E27 and E32 on the Main Power PC Board. Pull these wires through
the hole in the center chassis.
3. Remove the transformer.
a. Lift the Main Transformer slightly. Swing its left edge away from the center chassis. Pull its right edge away from the
center chassis.
b. Lift it out of the Power Supply through the opening at the rear of the Power Supply.
4. Position the replacement Main Transformer behind the Heatsink Shroud Assembly. Position its wires at the right edge
(as you face it) of the transformer.
5. Install the replacement transformer as follows:
a. Pass the tabs on the right edge of the base of the transformer into slots in the center chassis of the Power Supply.
b. Swing the transformer against the chassis, and pass the tabs on the left edge of the base into slots in the chassis.
Press the transformer downward to lock it into position.
c. Check for proper installation; the transformer should remain securely in place.
6. Pass wires #27 and 32 through the hole in the center of the main chassis. Connect wire #27 to terminal E27 and wire #32
to terminal E32 on the Main Power PC Board.
7. Reinstall the Heatsink Shroud Assembly per sub-section H.
G. Output Inductor Assembly Removal and Replacement
1. Disengage the Heatsink Shroud per paragraph E.
2. Disconnect the wires to the thermal switch on the Output Inductor.
3. Remove hex nuts at the left forward and right rear corners of the Inductor base.
4. Remove the Inductor as follows:
a. Note the position of the wires leading from the Inductor.
b. Lift out the Inductor through the opening at the rear of the Power Supply. It may be necessary to lift the Main Transformer
slightly to create room for the Inductor to pass through the rear opening.
5. Install the replacement Inductor.
a. Put the replacement Inductor in place, with the wires oriented the same way as the original Inductor.
b. Secure the Inductor in place with hex nuts at opposite corners of the Inductor base.
6. Reconnect the wires to the thermal switch on the Output Inductor.
7. Replace the Heatsink Shroud per paragraph I.