TM 9-2350-287-20-1
2-19. TROUBLESHOOTING CHART (continued).
h. LIGHTS (continued).
(4) ENGINE LOW LEVEL COOLANT LIGHT FAILS TO
OPERATE WHEN PRESSED-TO-TEST. All other
lights operate.
Initial Setup:
Tool/Test Equipment:
Equipment Conditions:
Digital multimeter (DMM) (Item 13, Appendix 1)
MASTER switch set to OFF (refer to TM
General mechanics tool kit (Item 24,
9-2350-287-1O).
Appendix 1)
NOTE
Instead of using multi meter
for voltage check, STE/lCE
troubleshooting,
INDIVIDUAL
BATTERY VOLTAGE TEST- TEST
89 maybe performed.
Instead of using multi meter
for continuity check, STE/lCE
troubleshooting, TEST 91 may
be performed.
A. 1. Remove light bulb from press-to-test indi-
cator on drivers portable instrument panel.
2. Place multimeter red lead in light socket
and ground black lead.
Do not be misled by the term
low voltage. Voltage as low as
50 volts may cause death. For
artificial respiration, refer to FM
21-11.
3. Turn MASTER switch ON (refer to TM 9-
2350-287-10) and press the press-to-test in-
dicator in.
4. Check for 24 ± 3 vdc.
5. Turn MASTER switch OFF (refer to TM 9-
2350-287-10) and release press-to-test indi-
cator.
Is voltage indicated?
Replace light bulb (para 7-6). Verify
problem is solved.
Continued on next page
2-147