MWO-5-2350-262-35-4
ARMORED COMBAT EARTHMOVER (ACE), M9
MODIFICATION WORK ORDER
MWO-5-2350-262-35-4 - Page 41 of 207
MWO 5--2350--262--35--4
3--12
SECTION II INSTALLATION OF HDC PRIMARY MANIFOLD ASSEMBLY,
MANUAL SHUT–OFF VALVE V23, AND LEFT MAIN MANIFOLD PRESSURE
TRANSDUCER T7 -- CONTINUED
3--2
ASSEMBLY OF HDC PRIMARY MANIFOLD -- CONTINUED
NOTE
Steps e through j apply to Figure 3--7.
e.
Install three new o--rings, MS28778--4, (4) and three plugs, 12335054--2, (5) on primary manifold (3).
Torque plugs to 13--15 ft/lbs (17.62--20.33 N
S
m).
f.
Install ten new o--rings, MS28778--8, (7), two plugs, 12335054--5, (6), six straight adapters, AC--1--310,
(8), and two 90
±
adapters, MS51527A--8, (11) on primary manifold (3). Torque plugs and adapters to
40--43 ft/lbs (54.23--58.30 N
S
m).
g.
Install new o--ring, MS28778--10, (9) and straight adapter, MS51526A--10, (10) on primary manifold (3).
Torque adapter to 43--48 ft/lbs (58.30--65.07 N
S
m).
h.
Install relief valve, 1A30--F--60SV, (12) on primary manifold (3). Torque valve seating nut to 40--50 ft/lbs
(54.23--67.79 N
S
m) and valve cap and lock nut to 10--15 ft/lbs (13.55--20.33 N
S
m).
i.
Install o--ring, MS28775--118, (13), teflon backup, MS27595--019, (14), o--ring, MS28775--019, (15), and
teflon backup, MS27595--019, (14), normally closed valve, 12496926, (16) on primary manifold, (3).
Install two o--rings, MS28778--4, (17) and two pressure transducers, 12496923, (18) on primary manifold,
(3). Torque valve cartridge to 40--44 ft/lbs (54.23--59.65 N
S
m), valve coil to 28--34 ft/lbs (37.96--46.09
N
S
m), transducer cartridges to 13--15 ft/lbs (17.62--20.33 N
S
m).
j.
Install on two 3--way valves, 12496936, (19), o--ring, MS28778--12, (20), teflon backup, MS28774--019,
(21), o--ring, MS28775--019, (22), teflon backup, MS28774--019, (21), teflon backup MS28774--018, (23),
o--ring, MS28775--018, (24), and teflon backup MS28774--018, (23), on primary manifold (3).
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