TM 9-2320-211-20-2-1
FAULT SYMPTOM INDEX
TABLE 6-23. NONELECTRICAL GAGES (Cont.)
2
Variable speed
Figure 87-8
Figure 88-3
TACHOGRAPH
8. Tachograph speedometer
q
drill
does not work, tachometer
works
9. Tachograph speedometer
1
--
Figure 88-3
Figure 87-9
q
does not show correct
speed, tachometer works
OK
2
Variable speed
Figure 87-10
q
10. Tachograph speedometer
Figure 88-3
drill
fluctuates, tachometer
works OK
1
Figure 88-3
Figure 87-11
11. Tachograph tachometer
does not work,
speedometer works OK
1
Figure 87-12
Figure 88-3
12. Tachograph tachometer
fluctuates, or does not show
correct reading,
speedometer works OK
TA 115559
