TM 5-3805-261-23-1
THEORY OF OPERATION - CONTINUED
0003 00
FRAME, TOWING ATTACHMENTS, DRAWBARS, AND ARTICULATION SYSTEM - CONTINUED
0003 00
3.
Articulation System. The front frame section and the frame and case (rear frame section) are joined (hinged) at their
hitch bushings. Two hydraulic articulation cylinders and lines provide power for articulation. They are controlled from
the cab. One cylinder is mounted at each side of the front frame section and extends to attach to the rear frame section to
provide articulation control.
ARTICULATION HITCH
CONTROL VALVE
REAR
FRONT FRAME
FRAME
SECTION
SECTION
ARTICULATION
397-038
CYLINDER
HYDRAULIC LINES
Articulation Indicator. Indicator is mounted inside the cab at the top of the steering console. A small housed cable
4.
mounted on the front frame is attached to a lever fastened to the rear frame. When the frame is articulated, the cable
moves the pointer on the indicator to show the amount of articulation.
ARTICULATION
INDICATOR
397-039
0003 00-21
