ARMY TM 5-6115-612-12
Table 4-3. Organizational Troubleshooting - Continued
TEST OR INSPECTION
Step 2. Check oil level
Add oil as required.
To prevent Injury, ensure that battery Is disconnected before repairing or replacing damaged wires.
Disconnect connector P10 from low oil pressure switch Install jumper wire between pins A
and B of connector Place MASTER SWITCH In RUN position
If LOW OIL PRESS light goes off, go to Step 4.
If LOW OIL PRESS light stays on, visually inspect and check continuity on wires
Q147A18 (P10-A to P5-A) and U148A18 (P10-B to P5-B) Replace if damaged or no
continuity. If wires good, replace EECM (paragraph 4-64).
Step 4. Install pressure gage between oil pump and low oil pressure switch. Disconnect connector
P10 from switch and install jumper wire between pins A and B of connector Start generator
set and check for correct oil pressure (25-40psi)
If oil pressure Is normal, perform maintenance on low oil pressure switch
If oil pressure Is low, refer to next higher level of maintenance.
If oil pressure is high, refer to Section XII and inspect for clogged oil cooler, hoses, oil
filter, or gearbox vent Unclog and clean as necessary.
12 GENERATOR SET REACHES READY TO LOAD BUT SHUTS DOWN WITH ENGINE OVERTEMP MALFUNCTION
LIGHT WHILE STILL IN NO LOAD
Step 1. Perform Step 1 of Malfunction 6.
Step 2. Perform Step 4 of Malfunction 8.
Change 6 4-35