TM 55-1520-240-23-7
8-73
TEST TRANSMISSION OIL TEMPERATURE SELECTOR SWITCH OR INDICATOR
(AVIM)
(Continued)
8-73
SCALE ERROR TEST
32.
Set selector switch knob (3) to SCAN.
33.
Adjust AFT decade (12), MIX decade (13), LEFT
decade (14), and RIGHT decade (15) to 700
ohms.
34.
Adjust FWD decade (11) to cause indicator (5)
readings listed. Decade settings shall be within
tolerance as follows:
NO BREAK - WORK HARDER
SET INDICATOR
READING TO
DECADE SETTING
SHALL BE (OHMS)
-70ºC
776.4 to 818.4
-50ºC
885.9 to 927.9
0ºC
1,179.0 to 1,221.0
+50ºC
1,508.8 to 1,550.8
+100ºC
1,882.7 to 1,924.7
+150ºC
2,304.6 to 2,346.6
TRAVEL TIME TEST
35.
Set selector switch knob (3) to FWD.
36.
Adjust FWD decade (11) until indicator (5) reads
+50ºC.
37.
Set selector switch knob (3) to AFT.
38.
Adjust AFT decade (12) until indicator (5) reads
-30ºC.
39.
Set selector switch knob (3) to FWD. Check
indicator (5). Pointer of indicator shall move to
+50ºC in less than 5 seconds.
40.
Set selector switch knob (3) to AFT. Check
indicator (5). Pointer of indicator shall move to
-30ºC in less than 5 seconds.
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