Ithaca 75 User Manual page 41

Note: Before removing the AC Switch Assembly and Power Transformer,
you must separate the Base Assembly from the printer. Refer to "Base
Assembly" earlier in this chapter.
1. Remove the nut and washer (C) holding the AC Power Transformer (A) to
the Base Assembly with a 3/8 inch nut driver.
2. Remove the AC Switch Cover Plate (E) from the Base Assembly by
unscrewing the three screws (F) with a #2 Phillips screwdriver.
3. Remove the AC Plug (B) from the Base Assembly by unscrewing the two
screws (G) with a #1 Phillips screwdriver.
Use needle-nose pliers or a 7/32 inch end wrench to capture the nuts.
4. Remove the nut and washer holding the ground wire (D) to the Base
Assembly with a 9/32 inch nut driver.
5. Pull up on the AC Power Transformer (A) until it clears the screw, then
slide it out of the base.
The screw is riveted to the bottom of the Base and cannot be removed.
Figure 19: AC Switch Assembly and Power Transformer (2 of 2)
A = AC Power Transformer
B = AC Switch Assembly
6. Unsolder the two leads from the AC Power Transformer (A) to separate the
AC Switch Assembly (B) from the AC Power Transformer.
Do not further disassemble the AC Switch Assembly. The AC Plug (C) is
hard-wired to the AC Switch Assembly and should not be removed.
Note: Reverse these procedures to reinstall the AC Switch Assembly and AC
Power Transformer.
Disassembly
C = AC Plug
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