TM 10-3930-675-24-2
HYDRAULIC SYSTEM TEST POINT PROCEDURES - CONTINUED
0188 00
TEST POINT NO. 12: ENGINE DRIVEN PUMP/FAN HYDRAULIC SYSTEM - CONTINUED
NOTE
Test point no. 12 provides a means to check the engine driven pump pressure and the fan hydraulic
system operation and pressure.
1.
Remove engine cover to access engine driven pump located at left front of engine (WP 0148 00).
2.
Locate test point (4) on engine driven pump discharge port. Clean test point and connect hydraulic test gage.
4
434-40083
3.
Start engine.
4.
Enter diagnostic menu EXTRA FUNCT Screen 11 (13). Use plus and minus keys to increase fan speed to 100%.
5.
Press the accelerator pedal fully and bring engine to full throttle.
6.
Pressure will increase to 2,600 to 2,700 psi (180 to 186 bar).
7.
Release accelerator pedal.
8.
Shut down engine after 30 seconds.
9.
Disconnect hydraulic test gage from test point (4).
10.
Reinstall engine cover (WP 0148 00).
END OF WORK PACKAGE
0188 00-7/(0188 00-8 Blank)
