2 - 1 2 . UNCOUPLING TRAILER FROM TOWING VEHICLE (Con't).
f. If inertia brake system was used, disconnect emergency brake cable (11) from towing vehicle.
g. Unhook two safety chains (10) from towing vehicle and stow on trailer.
h. Remove safety pin (16) on towing vehicle
and pull up on locking latch (12) to lift pintle upper jaw
i. Operate front leveling jacks to raise towing
towing vehicle forward to clear towing Iunette.
j. Push down and close pintle upper jaw (13).
Ensure that locking latch (12) is locked by pulling upon
upper jaw. Insert safety pin (16).
k. If reach tube (7) was used, remove retaining
pin (8) and pin (9). Push reach tube fully in using an assis-
tant as required. Install retaining pin and pin to secure
l. Drain air pressure from air reservoir