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 164 of 790

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

0010 00--11

BUMP STOPS INOPERATIVE -- Continued

0010 00

Figure 6. HDC Control Box

LEFT AND RIGHT FORWARD MANIFOLD PRESSURE TEST

Reset all HDC solenoid valves by selecting the RESET VALVES button (Figure 6, item 5)

on the HDC control box.

Start engine.

For left forward manifold pressure, close left forward manifold valve. Using LINE UP or

LINE DOWN button (Figure 6, item 3), select V9 on the HDC display (Figure 6, item 2).

Close V9 on the HDC display (Figure 6, item 2), by selecting the CHANGE POSITION

button (Figure 6, item 4) on the HDC control box. Read transducer T--7 hydraulic

pressure on the HDC display (Figure 6, item 1).

For right forward manifold pressure, close right forward manifold valve. Using LINE UP

or LINE DOWN button (Figure 6, item 3), select V10 on the HDC display (Figure 6,

item 2). Close V10 on the HDC display (Figure 6, item 2), by selecting the CHANGE

POSITION button (Figure 6, item 4) on the HDC control box. Read transducer T--7

hydraulic pressure on the HDC display (Figure 6, item 1).

Stop engine and relieve hydraulic pressure.

Reset all HDC solenoid valves by selecting the RESET VALVES button (Figure 6, item 5)

on the HDC control box.