Replace a defective spring.
Replace all parts that are worn or damaged
to an extent that will impair their normal
All parts or components of parts that make
up the Type II oxygen purification cylinder
group (Figure 7-3) shall be oxygen cleaned
prior to their assembly
Parts shall be cleaned and handled in a
contaminant free environment.
(5) Assembly. To assemble the oxygen purification
cylinder group, proceed as follows
All components and parts of the oxygen
system (Type II) shall be oxygen clean,
and shall be assembled in a clean
contaminant free environment, using
Assemble spacer (22) and lower perforator
(21) in bottom of cylinder (23) with screw
(20) tightened securely
To assemble upper head assembly place
O-ring (17) in position on lower head (16)
Place O-ring (12) in position on upper head
(13). Assemble spring (18) and lower head
(16). Assemble spring (18) and lower head
(16) on upper head (13), position upper
perforator (15) and secure with screw (14).
Install this assembled group of parts in
cylinder cap (1I) and install retaining ring
(10) Attach cover (7) to cap (11) with screw
gaskets (9) and screws (8).
Do NOT install cartridge (19) into
Contamination of the cartridge could
result from premature installation.
Install cartridge (19) in cylinder (23) and
screw the upper head assembly securely
onto cylinder (23) hand tight.
The upper and lower mounting brackets (6
and 5) are supplied with a dehydrator
assembly Attach the brackets (6 and 5) to
cylinder (23) until ready for next higher
TEST. The following paragraphs contain the
information for testing system (Type I [Air] or Type II
[Air/Oxygen] ) integrity.
Type I (Air) test Refer to Section IV, paragraph
4-7 and proceed with unit operation
Type Il (Air/Oxygen) test Refer to Section IV,
paragraph 4-7 and proceed with unit operation.