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 220 of 644

HYDRAULIC OIL OVERHEATS - Continued

e.

Loosen jam nut (Figure 15, Item 6) on main relief valve 13R (Figure 15, Item 1).

f.

For 13R (Figure 15, Item 1); have assistant simultaneously hold EJECTOR CONTROL lever in BACK

while holding right-hand SUSPENSION CONTROL lever in RAISE.

g.

Rotate adjusting screw (Figure 15, Item 5) on main relief valve 13R (Figure 15, Item 1) clockwise to

increase pressure or counterclockwise to decrease pressure.

T01323HDC

4

3

2

1

6

5

Figure 15.

Main Pump Relief Valves.

h.

Once indication from transducer T-3 on HDC display (Figure 16, Item 1) hydraulic pressure is within

desired limits, tighten jam nut (Figure 15, Item 6).

T01324HDC

1

2

3

4

Figure 16.

HDC Control Valve.

i.

For 13L (Figure 15, Item 4); repeat previous steps for main relief valve 13L (Figure 15, Item 4) using left-

hand SUSPENSION CONTROL lever.

TM 5-2350-378-23&P

0015

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