MWO-5-2350-262-35-4

ARMORED COMBAT EARTHMOVER (ACE), M9

MODIFICATION WORK ORDER

MWO-5-2350-262-35-4

  MWO-5-2350-262-35-4 - Page 130 of 207

MWO 5--2350--262--35--4
4--27
SECTION IV INSTALLATION OF AFT MANIFOLD ASSEMBLY -- CONTINUED
4--13 AFT LEFT MANIFOLD FUNCTIONALITY TESTING -- CONTINUED
b.
Testing hydraulic circuits port 9 to ports 2 and 2A
1. Connect valve test cable from 28 VDC power supply to valve V18, do not energize power supply
at time.
2. Pressurize port 9 hose to 1000 psig (6894.757 kilopascal) and flow of approximately 5 GPM
(18927.06 CPM) and verify flow is only exiting port 9B.
3. Energize 28 VDC power supply and verify flow from port 9B has stopped and that fluid flow is
exiting from ports 2 and 2A.
4. De--pressurize port 9 and de--energize 28 VDC power supply.
5. Install --6 37
_
flare nut cap on to port 9B.
6. Remove the test cable from valve V4.
7. Connect a valve test cable from 28 VDC power supply to valve V7, do not energize power
supply at this time.
8. Pressurize port 9 hose to 1000 psig (6894.757 kilopascal) and verify no flow is exiting from any
manifold ports.
9. Energize 28 VDC power supply and verify fluid flow is only exiting from port 2.
10. De--pressurize port 9 hose and de--energize 28 VDC power supply.
11. Connect a valve test cable from a 28 VDC power supply to valve V6 and remove valve test
cable from valve V7, do not energize power supply at this time.
12. Pressurize port 9 hose to 1000 psig (6894.757 kilopascal) and verify no flow is exiting from any
manifold ports.
13. Energize 28 VDC power supply and verify that fluid is only exiting from port 2A.
14. De--pressurize port 9 hose and de--energize 28 VDC power supply.
15. Disconnect pressure --6 hose from port 9 and disconnect valve test cables from valves V18 and
V6.
c.
Testing hydraulic circuit port 11 to port 11 through the manifold.
1. Connect valve test cable from a 28 VDC power supply to valve V8. Do not energize the power
supply at this time.
2. Connect --4 pressure hose with 37
_
flare fitting to port 11 (top of manifold).
3. Pressurize port 11 hose to 1000 psig (6894.757 kilopascal) and a flow of approximately 5 GPM
(18927.06 CPM) and verify flow is exiting from port 11 on the side of the manifold and no other
manifold ports.
4. Energize 28 VDC power supply and verify flow from port 11 has stopped.
5. De--pressurize port 9 hose and de--energize 28 VDC power supply.
6. Disconnect --4 pressure hose from port 11 and disconnect valve test cable from valve V8.
7. This completes manifold functionality test.


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