TM 55-4920-413-13&P
Table 4-17. Troubleshooting Oil and XMSN Pressure Voltage Cheeks (A2) Board (AVIM) (continued).
Extender Board and
Oil Pressure (A2) Board
Switch
Voltmeter indications (vat)
Pin Connections
Positions
Approx readings expected
OIL PRESS NO 1 – 57
CAL/LO
14.3 vdc
N0 2 - 41
CW and CCW
XMSN
– 15
CAL/HI
O vdc
CW and CCW
NOR/HI
14.3 vdc
CW and CCW
NOR/LO
14.3 vdc
CW and CCW
OIL PRESS NO 1 – 63
OIL PRESS NO 2 – 45
CAL/LO
3.44 to 3.73 vac
XMSN
– 21
CAL/HI
2.77 to 3.05 vac
NOTE
NOTE: See figure 4-12 and FO-4.
Voltage check using figure 4-10 connections
4-29
