4-14. REMOVE/INSTALL PURGE PORT DOOR - continued.
Remove four screws, lock washers, four flat washers, and four nuts attaching hinge to
Remove defective hinge.
Install door latch and wave washer. See figure 4-5.
Install new wave washer and latch and fasten in place with lockwasher, flat washer and
latch retaining screw.
Tighten retaining screw.
Install latch keeper. See figure 4-5.
Place new latch keeper and spacer on laboratory wall and align rivet holes
Attach in place using four rivets.
Install door support, support hinge, and ball stud receiver. See figure 4-5.
Install new door support on new support hinge and align rivet holes.
Attach door support to hinge using rivets.
Place new ball stud receiver and receiver plate on door support and align rivet holes.
Attach ball stud receiver and plate to door support.
Place new door support with hinge attached on purge port door and align hinge rivet
Attach door support hinge to purge port door using rivets.
Install purge port door weatherstripping. See figure 4-5
Cut sufficient weatherstripping from bulk material to replace old weatherstripping.
Ensure all remnants of old weatherstripping is removed from door bonding surface and
surface is clear.
Apply weatherstripping to door
Install purge port door and hinge. See figure 4-5
Place new door with hinge attached on laboratory wall and fasten to damper flange with
four screws, lockwasher, flat washers, and nuts.
Tighten screws and nuts.
Rivet door to damper flange in three places