TB 9-4920-454-35
(5) Refer to table 3 and adjust calibrator to millivolt value corresponding to ambient
temperature recorded in (1) above.
(6) Multimeter will indicate between 7.255 and 7.295 mV dc; if not, perform b (l)
below.
(7) Replace jumper at TP2 (fig. 4) and reconnect J14 to P14.
(8) Set TEMPERATURE switch to CAL 600 oC. If TEMP oC indicator does not
display 600 perform b (2) below.
b. Adjustments
(1) Adjust R6 (fig. 4) for 7.275 mV dc indication on multimeter (R).
(2) Adjust R3 (fig. 4) for TEMP oC indicator display of 600 (R).
a. Performance Check
(1) Set RPM switch to CAL 100% RPM and adjust RPM CAL ADJ control for
100.0 indication on % RPM indicator.
(2) Set RPM switch to N1.
(3) Short pins A and B on RPM INSTRUMENT CABLE receptacle, using test
probe hooks.
(4) If % RPM indicator does not indicate .0 or .1, perform b (l) through (3) below.
(5) Set RPM switch to N2.
(6) Remove shorting connection from pin A, and connect to pin C on RPM INPUT
INSTRUMENT CABLE receptacle.
(7) %RPM indicator will indicate .0 or .1.
(8) Remove short from pins B and C and connect equipment as shown in figure 5.