TM5-4220-231-14&P
OPERATION PROCEDURES (OP) FOR DIVINGOPERATIONS
OPERATOR CHECKLISTOP 10 (Charge Secondary Air) (Cont)
DATE
START TIME
END TIME
OPERATOR1
OPERATOR
2
LOCATION
STEP
ITEM
LOCATION
ACTION
PERFORMED
CHECKED
BY
BY
CASCADE
THE SECONDARY
DASS OP 10.3
10.3.1
AHP-V203
Bottom Left
Slowly open CCW -
DASS Rack
Turn back 1/4 CW.
10.3.2
AHP-V204
Top Left
Slowly open CCW -
DASS Rack
Turn back 1/4 CW.
10.3.3
AHP-V203
Top Left
Slowly open CCW -
DASS Rack
Turn back 1/4 CW.
10.3.4
AHP-V204
Top Right
Slowly open CCW -
DASS Rack
Turn back 1/4 CW.
10.3.5
AHP-V203
Top Right
Slowly open CCW -
DASS Rack
Turn back 1/4 CW.
10.3.6
AHP-V204
Bottom Right
Slowly open CCW -
DASS Rack
Turn back 1/4 CW.
10.3.7
AHP-G211
All Four Racks
Record
pressure:
PSIG.
Reading
on AHP-G211
should
be the same on all four
secondary
DASS racks.
CHARGE
SECONDARY
AIR OP 10.4
10.4.1
20 CFM HP
Approx.
100 ft.
Prepare
for operation
IAW
Compressor
from secondary
Chapter
2, Section
3 of
DASS Rack
TM 5-4310-389-14.
10.4.2
AHP-V208
Secondary
DASS
Connect
Charging
Hose to
Rack (Any)
20 CFM HP Compressor
fill
connection.
Secure
safety wires.
NOTE
Position
intake upwind of exhaust
prior to engaging
compressor.
10.4.3
20 CFM HP
Approx.
100 ft.
Engage
20 CFM HP
Compressor
from secondary
Compressor
IAW
DASS Rack
Chapter
2, Section
3 of
TM 5-4310-389-14.
10.4.4
AHP-V206
Secondary
DASS
Slowly open fully CCW - then
Rack (with
Turn back 1/4 CW.
AHP-V207
charging
hose) -
Flask Valves
10.4.5
AHP-V208
Secondary
DASS
Slowly open CCW -
Rack (with
Turn back 1/4 CW.
charging
hose)
Change
6
2-77
