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TM9-2320-270-20-1
TROUBLESHOOTING - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
7. ENGINE OIL PRESSURE GAGE SHOWS incorrect PRESSURE DURING Operation (MORE THAN
70 PSI (482 KPA) OR LESS THAN 50 PSI (345 KPA).
NOTE
If oil pressure gage shows zero pressure during operation, go to step 3.
Perform steps under ENGINE USES TOO MUCH OIL (page 3-27).
Step 1.
Step 2.
Start engine (TM 9-2320-270-10). Using multimeter set at 30 vdc, put red probe
on oil pressure sender terminal (1) and black probe on nut (2).
a. If meter reads 6 to 8 volts, shut down engine (TM 9-2320-270-10),
replace oil pressure gage (page 4-259), install side panels
and hood (TM 9-2320-270-1 O).
b. If meter does not read 6 to 8 volts, shut down engine (TM 9-2320-
270-10), replace oil pressure sender (page 4-393), and repeat
step 2. If meter still does not read 6 to 8 volts, install side panels
and hood (TM 9-2320-270-10) and notify direct support
maintenance.
3-28

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