TB 5-4220-200-12-1
(40) Screw the center yoke connector (8) on to the reserve elbow (30) and tighten securely with a 1-1/8
inch open end wrench.
(41) Rotate the tanks so the repairman faces the bottom of the tanks.
(42) Lift the bottom of the tanks and place on the lower lateral abdominal region of the repairman's body.
With the stabilizer band cushions (Figure 4-5) (4) and (15) shoulder straps (2) and (3), and waist
straps (12) and (17) in position, slide the stabilizer bands (5) and (13) down and over the tanks. Insure
the pull rod clips (14) are positioned so they are located on the reserve lever side. Position the top
stabilizer band approximately 5-1/4 inches from the top of the tanks, and the bottom stabilizer band
approximately 6-1/2 inches from the bottom of the top stabilizer band.
(43) Place the stabilizer band washer (10) on the stabilizer band bolt (9). Insert the bolt through the bottom
stabilizer band (13), abdominal strap webbed end (16), and through the other side of the bottom stabi-
lizer band. Insure the threaded end of the stabilizer band bolt (9) is pointing away from the diver. Place
the stabilizer band washer (10) and stabilizer band nut (11) on the threaded end of the stabilizer band
bolt (9).
(44) With a 1/2 inch box wrench applied to the stabilizer band nut (11), and a 3/8 inch ratchet with 4 inch
extension, and a 1/2 inch socket applied to the head of the stabilizer band bolt (9), tighten the nut
securely.
(45) Rotate the tanks so the repairman is facing the manifold assembly.
(46) Place stabilizer band washer (7) and stabilizer band nut (8) on the threaded end of the stabilizer band
bolt (6) and hand tighten.
(47) With a 1/2 inch box wrench applied to the stabilizer band nut (8), and a 3/8 inch ratchet with 4 inch
extension, and a 1/2 inch socket, applied to the head of the stabilizer band bolt (6), tighten securely.
(48) Install and seat the center yoke O-Ring (fig. 4-3) (9) in the center yoke (7).
(49) Insert the hook end of the pull rod (fig. 4-5) (18) in reserve lever (fig. 4-3) (39). Turn and push the
pull rod into the top pull rod clip (fig. 4-5) (14) and then the bottom pull rod clip (14).
4-17
TANK BLOCK ASSEMBLY (P/N 2800-00).
a.
Tank Block Manifold Disassembly.
NOTE
Insure the On-Off valve handle (31) is open and reserve lever (8), fig. 4-4, is in
the down position prior to disassembly.
Bleed off all air inside the tanks. Place the tank block on a flat surface so the repairman is facing the
(1)
manifold assembly and the manifold O-Ring (9) is visible.
Pull the looped end of the pull rod (fig. 4-5) (18) upward until it is released from the lower stabilizer
(2)
band assembly clip (14). Push the middle of the push rod downward until the pull rod is released from
the top stabilizer band assembly clip (14).
Rotate the tanks so the repairman is facing the manifold assembly and the pull rod is hanging down.
(3)
Lift and turn the pull rod until it is parallel to the manifold. Push the pull rod until it is disconnected from
(4)
the reserve lever (fig. 44) (8).
NOTE
Care should be exercised in handling tanks after the stabilizer bands are removed
to prevent damage to the manifold assembly.
With a 1/2 inch box wrench applied to the top stabilizer band nut (fig, 4-5) (8) and a 3/8 inch ratchet,
(5)
with 4 inch extension, and a 1/2 inch socket applied to the head of the bolt, unscrew and remove the
top stabilizer band bolt (fig. 4-5) (6). nut (8). and washers (7).
4-23
