TM 5-2350-378-23&P
0018
VEHICLE DOES NOT RESPOND TO OPERATOR CONTROLS - Continued
STEP
6.
Perform main relief valve test using HDC.
a.
Stop engine; relieve hydraulic pressure (if not already done).
b.
Reset all HDC solenoid valves by selecting RESET VALVES button (Figure 7, Item 1) on HDC control
box.
1
T01614HDC
Figure 7. Hydraulic Diagnostic Center (HDC) Control Box.