Volvo VHD - Manual (Page 272)

266 Fifth Wheel Instructions
Locked — This is the position that the fifth
wheel will be in with a trailer hooked up.
In the locked position, the operating rod is
retracted and the safety latch will freely
swing back and forth.
W9000180
Lockset — This is the position the fifth
wheel is in when uncoupling the trailer. To
achieve the lockset position, the operating
rod is pulled out with a slight upward mo-
tion. The operating rod shoulder will catch
on the plate casting. The safety latch is ro-
tated toward the rear of the fifth wheel.
W9000242
Open — This is the position the fifth
wheel is in after the trailer is uncoupled.
The jaw is open and the operating rod is
now dropped down and can be freely
moved around. The safety latch is rotated
toward the rear of the fifth wheel. This is
the position the fifth wheel must be in
when being coupled to a trailer.
W9000203