MWO-5-2350-262-35-4

ARMORED COMBAT EARTHMOVER (ACE), M9

MODIFICATION WORK ORDER

MWO-5-2350-262-35-4 - Page 129 of 207

MWO 5--2350--262--35--4

4--26

SECTION IV INSTALLATION OF AFT MANIFOLD ASSEMBLY -- CONTINUED

4--13 AFT LEFT MANIFOLD FUNCTIONALITY TESTING

CAUTION

Testing should be performed in a clean environment and protective dust covers or caps

should be installed on all openings to prevent contamination. Dirt can damage parts and

cause malfunctions.

NOTE

Prior to installing the aft manifold in a vehicle, the following functionality tests should be

performed.

NOTE

Steps a through c apply to Figure 4--14.

a.

Testing hydraulic circuit port 9 to port 9B

1. Connect --6 hose with 37

_

flare fitting to port 9 (top of manifold).

2. Connect valve test cable from 28 VDC power supply to valve V4, do not energize power supply

at this time.

3. Pressurize port 9 hose to a pressure that provides flow and verify flow exiting port 9B.

4. Energize the 28 VDC power supply and verify flow from port 9B has stopped.

5. De--pressurize port 9 hose and de--energize 28 VDC power supply.

Figure 4--14. Aft Manifold Hydraulic Schematic Diagram