MWO 5--2350--262--35--4
3--33
SECTION II INSTALLATION OF HDC PRIMARY MANIFOLD ASSEMBLY,
MANUAL SHUT–OFF VALVE V23, AND LEFT MAIN MANIFOLD PRESSURE
TRANSDUCER T7 -- CONTINUED
3--5
DIRECTIONAL CONTROL VALVE MODIFICATION -- INSTALLATION OF MANUAL
SHUT--OFF VALVE V23
NOTE
Steps a and b below apply to Figure 3--19. Reference should also be made to Figure 3--2.
NOTE
To reduce maintenance activities in the bowl area, the DCV bank modification should be
performed on a bench (prior to installing the DCV bank in the bowl).
a.
Install 45
_
elbow, MS51528B8, (3) and o--ring, MS28778--8, (4) on DCV bank winch pay--out port C1,
with elbow pointing down.
b.
Install short straight adapter, MS51525B10 (1), o--ring, MS28778--10, (2), and previously removed elbow,
MS51521A10, (5) on DCV bank ejector forward port 21. Orient elbow (not shown on Figure 3--19) to face
90
_
upward.
Figure 3--19. Modifications to DCV Bank