TDW D-2000 - Removal and Installation of Closure Door

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3.0 Removal and Installation of
Closure Door
3.1 Removal
A. Unthread the pressure warning lock and the
O-ring.
B. Open the closure door and remove the O-ring
carefully to prevent damage.
C. Close the door and push the clamp ring
handle all the way down to lock the door in
place.
D. Attach a hoist to the lifting eye.
CAUTION: All major components of the D-2000
closure are extremely heavy. Make sure
the hoist used has an adequate lifting
capability to avoid possible injury to
personnel.
E. Remove the eight door hinge cap plugs.
F. Remove the eight door hinge setscrews.
G. Remove the two split clamp collars.
H. Remove the upper bearing assembly.
I. Lift up on the clamp ring handle and spread
the clamp ring.
J. Open the door clear of the clamp ring
assembly.
K. Lift the door until the lower hinge pin clears
the lower hinge bracket. Pull the lower hinge
pin away from the bracket and remove the
lower bearing assembly.
L. Lower the door until the upper hinge pin is
clear of the upper hinge bracket.
M. Set the door aside.
O. If disassembly is for post-weld heat
treatment, other than a localized procedure,
restrain the clamp ring by temporarily
replacing the nylon insert clamp ring pivot
nut with something that will not melt.
Caution: Clamp ring could slip off pin during
handling if not adequately restrained.
Note: The clamp ring is not designed for removal
in the field. If removal of the clamp ring is
required, contact TDW for assistance.
3.2 Installation
A. To reinstall the closure door, follow the
reverse of the removal instructions.
B. Adjust the hinge setscrews to align door with
the barrel collar.