TM 5-5420-226-20-1
Symptom-15
DETAILED
TROUBLESHOOTING
PROCEDURE
VEHICLE
OPERATION
- POWERPLANT,
RUNNING
(Continued)
ENGINE OIL COOLER
THERMOSTATIC
VALVE
YICheck if right side and left side engineoil cooler
thermostatic
valves operate
correctly.
I
I
First
Technician
(Powerplant)
I
l Remove right side and left side engine oil cooler
thermostatic
valves (page
6-15).
l Test both t~ermostatic
valves
(page
6-17).
Do both thermostatic valves pass test?
d
RIGHT SIDE
(POWERPLANT
RIGHT SIDE)
-
~
Replace
defective
thermostatic
I
el Notify support maintenanceof
4
l Install powerplant (page 5-14).
I
TA106990
4-301