TM 10-4930-351-14
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ASSEMBLY
NOTE
During assembly, apply a light coat of petrolatum to O-rings before installation.
1.
If interlock mechanism was removed, install lockout pin (23), spring (24) and screw (22) in 2 inch valved unisex
coupling (3).
CAUTION
The lugs used in AAFARS unisex couplings are made of two different materials, stainless
steel and aluminum. The two-inch suction hoses, two-inch wyes and all three-inch unisex
couplings have stainless steel long and short lugs in the coupling body; three-inch dust caps
have aluminum lugs. The discharge hoses, tees, crosses, manifolds and elbow unisex
couplings have aluminum long and short lugs. Verify the correct lugs by using the parts
listing in TM 10-4930-351-24P.
2.
If lugs (19 or 20) were removed, install lugs (19 or 20) and screws (21).
3.
If removed, install bumper (18) such that tapered edge is facing toward the housing.
4.
If dust cap cable (17) was cut to remove it from dust cap (2), thread cable through dust cap (2) forming a loop. Use a
sleeve (27) and crimp loose end of cable to itself.
5.
Install O-ring (16) and downstream seal (15) in 2 inch valved unisex coupling (3).
6.
Install O-ring (14) on shaft (13) and install shaft from inside 2 inch valved unisex coupling (3).
7.
Using screws (4) install handle assembly (1) on shaft (13). Rotate handle assembly (1) to closed position.
NOTE
When installing stop pin, position the coupling body with the inlet toward you and rotated so hole
for stop pin is at the bottom. Install the stop pin in the hole with the half shaft to your left. After
stop pin installation, depress lock pin to ensure it can be fully depressed into the cavity.
8.
Install O-ring (12) in groove on stop pin (10).
9.
Position wave washer (11) on stop pin and install stop pin (10).
NOTE
When installing the ball in the valve body, some movement of the ball and valve lever arm may be
necessary to align the stop pin, lever arm shaft and the ball.
10. Install ball (9) in 2 inch valved unisex coupling (3).
11. Install dust cap (2) on 2 inch valved unisex coupling (3).
END OF WORK PACKAGE
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