TM 5-3805-293-23-3
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PISTON PUMP (BRAKE, HYDRAULIC FAN) MARGIN PRESSURE TEST AND ADJUST CONTINUED
13. Start engine (TM 5-3805-293-10).
14. Operate machine until engine reaches normal operating temperature: 140 9F (60 5C).
15. Set fan speed at 50% of maximum rpm on ET.
a. Connect MSD to the machine (WP 0006).
b. Select the Engine "Electronic Control Module (ECM) C6.6 120M" (Figure 25, Item 2) from the available
ECM list.
c.
Click on Diagnostics button (Figure 25, Item 1). Select Diagnostic Tests (Figure 25, Item 3). A second
menu will be displayed. Select Override Parameters (Figure 25, Item 4) from the second menu.
Figure 25. Diagnostic Tests Display.
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