TB 9-6625-2089-24
(4) Disconnect lead from PS1A1TP1 and connect to PS1A1TP5 (fig. 1). If multimeter
does not indicate between 11.75 and 12.25 V dc, perform b (2) below.
(5) Disconnect lead from PS1A1TP5 and connect to PS1A1TP6 (fig. 1). If multimeter
does not indicate between 11.75 and 12.25 V dc, perform b (3) below.
(6) Adjust autotransformer for 125 V ac. Multimeter will indicate between 11.75
and 12.25 V dc.
(7) Disconnect lead from PS1A1TP5 and connect to PS1A1TP7 (fig. 1). If multimeter
does not indicate between 4.75 and 5.25 V dc, perform b (4) below.
(8) Adjust autotransformer for 105 V ac. Multimeter will indicate between 4.75 and
5.25 V dc.
b. Adjustments
(1) Adjust PS1A1R4 (fig. 1) for 28.0 V dc multimeter indication (R).
(2) Adjust PS1A1R26 (fig. 1) for 12.0 V dc multimeter indication (R).
(3) Adjust PS1A1R32 (fig. 1) for 12.0 V dc multimeter indication (R).
(4) Adjust PS1A1R36 (fig. 1) for 5.0 V dc multimeter indication (R).
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA label/form in accordance with TB 750-25.