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 91 of 207

MWO 5--2350--262--35--4
3--62
SECTION III MODIFICATION OF MAIN HYDRAULIC FILTER AREA
-- CONTINUED
3--11 MODIFICATIONS TO MAIN PUMP LEFT HYDRAULIC FILTER AREA – INCLUDING
ADDITION OF BALL VALVE V22 AND PRESSURE TRANSDUCERS T4 --
CONTINUED
NOTE
The modified main pump hydraulic filter assemblies are loosely assembled prior to
installation in the bowl filter area. Individual filter assembly components are tightened
after installation on mounting plates in the bowl.
NOTE
Steps h through y below apply to Figure 3--39.
h.
Install adapter, 8F650X--SS, (2) and o--ring, MS28778--8, (3) on hydraulic filter head (4).
i.
Install swivel nut tee, MS51523B8, (31) on adapter (2) mounted on hydraulic filter head (4).
j.
Install adapter, 8F650X--SS, (30) and o--ring, MS28778--8, (29) on top of manual ball valve
BVHP--08--SSS--1NG (28).
k.
Install manual ball valve (28) on lower end of swivel nut tee (31).
l.
Install bulkhead adapter, 8WF50X--SS, (27) and o--ring, MS28778--8, (26) in bottom of manual ball valve
(28).
m. Place two flat washers, 10910174--8, (25) loosely on bulkhead adapter (27).
n.
Thread jam nut, MS51860--56Z, (24) loosely onto end of bulkhead adapter (27) to hold two flat washers
(25) in position. Do not tighten jam nut at this time.
o.
Install swivel adapter, 8F650X--SS, (8) and o--ring, MS28778--8, (9) on top of pressure relief valve (21).
p.
Attach new pressure relief valve, 1A30--01--V--8ST1--D--430, (21) set to 4300 psi (29647.46 kilopascal) to
bottom of manual ball valve (28).
q.
Install 90--degree adapter, 13211E9018--12, (23) and o--ring, MS28778--8, (22) on front face of new relief
valve (21).
r.
At top of filter assembly, install union elbow, 8--6--ETXS, (1) on top port of swivel nut tee (31).
s.
Install adapter, 8F650X--SS, (20) and o--ring, MS28778--8, (19) on new relief valve (21).
t.
Install diagnostic tee adapter, 8--4XHX6G5TP, (18) on adapter 8F650X--SS (20).
u.
Install pressure transducer, 12496923, (10) and o--ring, MS28778--4, (11) on diagnostic tee adapter (18).
This pressure transducer is functionally designated as T4.
v.
Install saved adapter, 8F650X--SS, (12), and o--ring, MS28778--8, (13) on bottom of diagnostic tee
adapter (18).


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