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 81 of 790
TM 5--2350--378--24&P
0005 00--22
USING THE HYDRAULIC DIAGNOSTIC CENTER (HDC) SYSTEM TO TROUBLESHOOT THE M9 HYDRAULIC SYSTEM --
Continued
0005 00
Table 4. HDC Control Box Connectors – Pin Designation Signal Names/Identification -- Continued
Connector J3: Mates with Umbilical Cable Connector W4P3
Pin
Number
AWG
Signal Name Description
Reference
Designator
Signal
Source
Signal
Designation
Signal
Circuit No.
Signal Description
d
20
Left Suspension Port 3
Pressure No. 1 Actuator
Signal Output Return
T6
HDC Control
Box
Pressure
Transducer
1011
HDC Control Box
Signal Output Return
e
20
Left Manifold Port 9
Pressure Signal Output
T7
Pressure
Transducer
HDC Control
Box
1012
0.5VDC – 0 PSIG
9.5VDC – 4000 PSIG
f
20
Left Manifold Port 9
Pressure Signal Output
Return
T7
HDC Control
Box
Pressure
Transducer
1013
HDC Control Box
Signal Output Return
g
20
Right Bump Stop Cylinder
Retract Pressure Signal Out
T8
Pressure
Transducer
HDC Control
Box
1014
0.5VDC – 0 PSIG
9.5VDC – 4000 PSIG
h
20
Right Bump Stop Cylinder
Retract Pressure Signal
Output Return
T8
HDC Control
Box
Pressure
Transducer
1015
HDC Control Box
Signal Output Return
k
20
Left Bump Stop Cylinder
Retract Pressure Signal
Output
T9
Pressure
Transducer
HDC Control
Box
1016
0.5VDC – 0 PSIG
9.5VDC – 4000 PSIG
m
20
Left Bump Stop Cylinder
Retract Pressure Signal
Output Return
T9
HDC Control
Box
Pressure
Transducer
1017
HDC Control Box
Signal Output Return
n
20
Left Bump Stop Cylinder
Extend Pressure Signal
Output
T10
Pressure
Transducer
HDC Control
Box
1018
0.5VDC – 0 PSIG
9.5VDC – 4000 PSIG
p
20
Left Bump Stop Cylinder
Extend Pressure Signal
Output Return
T10
HDC Control
Box
Pressure
Transducer
1019
HDC Control Box
Signal Output Return
q
20
Right Bump Stop Cylinder
Extend Pressure Signal
Output
T11
Pressure
Transducer
HDC Control
Box
1020
0.5VDC – 0 PSIG
9.5VDC – 4000 PSIG
r
20
Right Bump Stop Cylinder
Extend Pressure Signal
Output Return
T11
HDC Control
Box
Pressure
Transducer
1021
HDC Control Box
Signal Output Return
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