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 - Page 236 of 644
HYDRAULIC OIL OVERHEATS - Continued
STEP
23.
Perform apron relief valve (port 20) pressure test.
WARNING
Before performing any hydraulic troubleshooting in the bowl, move ejector forward and
engage the ejector lock. Failure to comply may result in severe injury to personnel.
NOTE
Have suitable container ready to catch oil.
a.
Start engine, move ejector forward, engage ejector lock.
b.
Stop engine; relieve hydraulic pressure.
c.
Disconnect CONT VLV-20 hose (Figure 32, Item 5) from elbow (Figure 32, Item 1) at port 20
(Figure 32, Item 4) of apron control valve (Figure 32, Item 3).
d.
Connect pressure measuring device (Figure 32, Item 2) to elbow (Figure 32, Item 1).
e.
Plug hose (Figure 32, Item 5).
f.
Have assistant start engine and hold APRON CONTROL lever in DOWN position. Read pressure
measuring device (Figure 32, Item 2).
6
T01347HDC
7
5
1
3
4
2
Figure 32.
Apron Control Valve.
TM 5-2350-378-23&P
0015
0015-34
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