TM-5-2350-378-23-P

ARMORED COMBAT EARTHMOVER (ACE), M9; HYDRAULIC DIAGNOSTIC CENTER

TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST

JUNE 2012
TM-5-2350-378-23-P

  TM-5-2350-378-23-P - Page 222 of 644

HYDRAULIC OIL OVERHEATS - Continued
STEP
16.
Perform suspension raise/lower relief valve test using HDC.
a.
Reset all HDC solenoid valves by selecting RESET VALVES button (Figure 18, Item 5) on HDC control
box.
NOTE
This test is done at both right-hand and left-hand suspension raise/lower relief valves.
For the right-hand valve (port 3R), actuate right-hand SUSPENSION CONTROL lever.
For left-hand valve (port 3L), actuate left-hand SUSPENSION CONTROL lever.
b.
For 3R; using LINE UP or LINE DOWN button (Figure 18, Item 3) select V15 on HDC display
(Figure 18, Item 2).
c.
Close V15 on HDC display (Figure 18, Item 2) by selecting CHANGE POSITION button
(Figure 18, Item 4) on HDC control box.
d.
Have assistant start engine, move right-hand SUSPENSION CONTROL lever to RAISE.
e.
Read transducer T-1 hydraulic pressure on HDC display (Figure 18, Item 1).
f.
Using LINE UP or LINE DOWN button (Figure 18, Item 3) select V15 on HDC display
(Figure 18, Item 2).
g.
Open V15 on HDC display (Figure 18, Item 2) by selecting CHANGE POSITION button
(Figure 18, Item 4) on HDC control box.
h.
Reset all HDC solenoid valves by selecting RESET VALVES button (Figure 18, Item 5) on HDC control
box.
i.
For 3L; using LINE UP or LINE DOWN button (Figure 18, Item 3) select V16 on HDC display
(Figure 18, Item 2).
j.
Close V16 on HDC display (Figure 18, Item 2) by selecting CHANGE POSITION button
(Figure 18, Item 4) on HDC control box.
k.
Have assistant start engine (if not already running).
l.
Move left-hand SUSPENSION CONTROL lever to RAISE.
m.
Read transducer T-1 hydraulic pressure on HDC display (Figure 18, Item 1).
n.
Using LINE UP or LINE DOWN button (Figure 18, Item 3) select V16 on HDC display
(Figure 18, Item 2).
o.
Open V16 on HDC display (Figure 18, Item 2) by selecting CHANGE POSITION button
(Figure 18, Item 4) on HDC control box.
TM 5-2350-378-23&P
0015
0015-20


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