TM-5-2350-378-24-P
HYDRAULIC DIAGNOSTIC CENTER (HDC) SUPPORTING ARMORED COMBAT EARTHMOVER (ACE), M9
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST
TM-5-2350-378-24-P - Page 32 of 790
TM 5--2350--378--24&P
0004 00--7
INTRODUCTION TO TROUBLESHOOTING AND REPAIR OF THE M9 ACE HYDRAULIC
SYSTEM -- Continued
0004 00
HYDRAULIC SYSTEM -- CONTINUED
Hydraulic Control Valve Operation
The hydraulic control valves on the directional control valve bank are activated by mechanical linkages from the
operator’s compartment and they, in turn, activate the hydraulic functions of the vehicle.
NOTE
Although the Bilge Pump is considered Not Mission Essential and will no longer be
supported with spare and repair parts, this manual contains troubleshooting procedures For
Your Information Only. See TB 43 0001--62--7 (dated Oct 98) for Instructions to Isolate and
Disconnect a Non--functional Bilge Pump.
This page describes the functions of valves and circuits they activate. Refer to this page when following the bilge
pump, apron raise/lower, winch, and ejector valve circuits.
Figure 8. Directional Control Valve (DCV) Bank
Back to Top
