TM 5-4220-227-14
5-21. Single Light Power Supply (Outer Lock) (Cont).
(3) Replace variac unit. (figure 5-25)
(a) Tag and disconnect electrical leads (1).
(b) Remove knob (2) from variac unit (3).
(c) Remove nut (4) and remove variac unit (3).
(d) Install variac unit (3) on cover (5) and secure with nut (4).
(e) Install knob (2) and connect electrical leads (1).
Figure 5-25. Single Light Power Supply (Outer Lock) Variac Unit, Replace.
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