TB 9-2320-279-13&P-4
0012
Table 1. Lockout Requirements.
HALF
FULL LOCK
LOCK
FULL LOCK
HALF LOCK
NO LOCK
NO LOCK
Figure 1.
SEMITRAILER CENTER OF GRAVITY (CG)
ON-ROAD
OFF-ROAD
BELOW 65 in. (165 cm)
HALF LOCK
NO LOCK
(3 Oscillation)
(6 Oscillation)
ABOVE 65 in. (165 cm)
FULL LOCK
NO LOCK
(No Oscillation)
(6 Oscillation)
NOTE
Remove lockout assembly only if desired lockring position (HALF LOCK or FULL LOCK) is not
located to the inside (against the fifth wheel).
Loosen and rotate lockring if NO LOCK position is desired, or if desired lockring position (HALF
LOCK or FULL LOCK) is located to the inside (against the fifth wheel).
To remove lockout assembly, complete Step (2).
To loosen and rotate lockout assembly, skip to Step (3).
Both fifth wheel lockout assemblies are removed the same way (driver side shown).
2. Remove four screws (1), lockwashers (2), cover plate (3), and lockring (4) from fifth wheel (5).