TB 5-4220-200-12-1
Section III. TOOLS AND TEST EQUIPMENT REQUIREMENTS
4
(1)
(2)
(3)
TOOL NUMBER
REFERENCE
NOMENCLATURE
NATIONAL NATO
MAINTENANCE
STOCK NUMBER
CODE
CATEGORY
1
C
Gauge, Tank Pressure
28-074-000 (Under
Sea, Inc.) 7400-00
(US Divers)
2
Gauge, Diver's Pressure
4220-00-099-8024
7004
C
3
O
Screwdriver, Off set, 5/32"
5120-00-287-2129
4
N/A
Pressure Test Gauge
O
1116-00
5
N/A
O
Adapter
1100-01
6
Hose Assembly
N/A
1048-04
O
7
Plastic Tool (PFI)
O
1588-13
N/A
N/A
8
Wrench, HP Block Assy Guide
O
1110-00
9
Wrench, Retainer
O
N/A
1100-05
10
Screwdriver (Modified)
O
5120-00-227-7338
11
5120-00-277-9075
O
Wrench, Set, Spanner (Modified)
12
O
Wrench, Open End
5120-00-203-4808
Section IV. REMARKS
REFERENCE CODE
REMARKS
A
Refer Code 1, Section III. Regulator Attachable and underwater adapter to indicate
TANK AIR PRESSURE.
B
Refer Code 2, Section Ill. Used to indicate tank air pressure (tank servicing).
C
Refer Code 3, Section III. Modify screw driver in accordance with Figure 4-8.
D
Annual visual internal tank inspection.
E
Hydrostatic test of 5/3 times the maximum allowable working pressure of the tanks ev-
ery 5 years.
F
Clean tanks internally if required upon completion of reference Code D above.
G
Upon reassembly of the first stage regulator insure the mainspring cavity is filled with
silicone fluid P/N 1088-55 to prevent "freezing up" of the mainspring.
H
Adjust the first stage intermediate pressure to pressure setting of 130 5 PSIG.
I
Refer Code 10. Section III. Modify wrench set and spanner in accordance with Figure
J
Test gauge, tank pressure at least every 6 months against a calibrated master refer-
ence gauge.
K
Test gauge, divers pressure at least every 6 months against a calibrated master refer-
ence gauge.
D-4
