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 340 of 790

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

0016 00--37

HYDRAULIC OIL OVERHEATS -- Continued

0016 00

Figure 25. HDC Control Box

Figure 26. DCV Bank

Figure 27. Main Pump Relief Valves

MAIN RELIEF VALVE ADJUSTMENT -- CONTINUED

For 13L; repeat the previous steps for main relief valve 13L using the left--hand

SUSPENSION CONTROL lever. Reference main relief valve 13L jam nut (Figure 27,

item 3), adjusting screw (Figure 27, item 2), and pressure transducer T4 (Figure 25,

item 1) on HDC display, when adjusting the 13L main relief valve.

Stop engine; relieve hydraulic pressure.

Enable ejector; manually open V23 (Figure 26, item 1) on the DCV bank. Using LINE

UP or LINE DOWN button (Figure 25, item 3), select V1 on the HDC display (Figure 25,

item 2). Open V1 on the HDC display (Figure 25, item 2) by selecting the CHANGE

POSITION button (Figure 25, item 4) on the HDC control box.