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 184 of 790

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

0011 00--13

EJECTOR CREEPS -- Continued

0011 00

Figure 9. HDC Control Box

Figure 10. DCV Bank

Figure 11. Ejector Relief Valve Adjustment

EJECTOR RELIEF VALVE ADJUSTMENT

Disable ejector by manually closing the ejector inhibit ball valve V23 (Figure 10, item 1)

on the DCV bank.

Using LINE UP or LINE DOWN button (Figure 9, item 3), select V1 on the HDC display

(Figure 9, item 2). Close V1 on the HDC display (Figure 9, item 2) by selecting the

CHANGE POSITION button (Figure 9, item 4) on the HDC control box.

Have assistant start engine and hold EJECTOR CONTROL lever in the FORWARD

position. Read transducer T--2 hydraulic pressure on the HDC display (Figure 9, item 1).

Loosen jam nut (Figure 11, item 1) on ejector relief valve and turn adjusting screw

(Figure 11, item 2) clockwise (to increase pressure) or counterclockwise (to increase

pressure) until pressure is within limits. Tighten jam nut (Figure 11, item 1).

Stop engine; relieve hydraulic pressure.

Reset all HDC solenoid valves by selecting the RESET VALVES button (Figure 9, item 5)

on the HDC control box.