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 360 of 790

TM 5--2350--378--24&P

0016 00--57

HYDRAULIC OIL OVERHEATS -- Continued

0016 00

APRON RELIEF VALVE PRESSURE TEST -- CONTINUED

Move ejector forward, engage ejector lock.

Using LINE UP or LINE DOWN button (Figure 42, item 3), select V17 on the HDC

display (Figure 42, item 2). Close V17 on the HDC display (Figure 42, item 2), by

selecting the CHANGE POSITION button (Figure 42, item 4) on the HDC control box.

Have assistant start engine and hold APRON CONTROL lever in the UP position. Read

transducer T--1 hydraulic pressure on the HDC display (Figure 42, item 1). If pressure is

low, adjust apron RAISE relief valve.

Figure 42. HDC Control Box