TM 9-2320-366-10-2
(4) Push down on trailer service brake valve (5).
(5) Push in SYSTEM PARK control (1).
NOTE
The following step requires the aid of an assistant.
(6) Very slowly drive tractor forward until fifth wheel reaches the rear stop blocks.
(7)
Pull out SYSTEM PARK control (1).
Change 2
2-888.1/(2-888.2 Blank)
