TM 55-1520-240-23-7
8-2
TEST POWER TURBINE INLET TEMPERATURE (PTIT) INDICATOR
(Continued)
8-2
SCALE ERROR TEST
7.
Adjust tester (2) to ºC. Test Point settings listed.
Indicator (1) readings shall be within tolerance
as follows: (Tap indicator before recording
readings.)
NO BREAK - WORK HARDER
TEST
POINT ºC
INDICATOR
READING
RANGE ºC
200
160 to 240
300
260 to 340
400
370 to 430
500
470 to 530
600
580 to 620
700
690 to 710
800
795 to 805
900
890 to 910
1000
980 to 1020
1100
1070 to 1130
1200
1160 to 1240
SWITCH POINT SETTING
8.
Adjust tester (2) to 0ºC setting.
9.
Slowly adjust tester (2) up until lamp (3) comes
on.
10.
Tap indicator (1) and record reading. Reading
shall be 890ºC to 910ºC.
8-17
