PRONAR T386, Руководство оператора, Страница: 48 / 162

Pronar T386 SECTION 3
3.6
lower frame is connected with the central frame (2) by means of two hydraulic cylinders (4).
The hook (5) (for load boxes made according to DIN 30722-1 and SS 3021 standards) is
equipped with a gravity safety latch which prevents unlocking the load box eye during
operation and transport.
The rear frame (1) is equipped with two guide rollers (7) which ensure correct position of the
load box while pulling the load box on and removing it from the trailer. Rear frame (1) and
central frame (2) are connected by means of pins (which are pivot points when pulling the
load box on and removing it from the trailer) and are mechanically coupled by means of
locking pin (6).
FIGURE 3.3 Switching the trailer to "hook trailer" mode
(1) hook frame, (2) frame interlock, (A) original position, (B) frame in "hook trailer" position
"Tipper" or "hook trailer" operation mode of the trailer is selected automatically by means
of slidable telescopic hook frame (1), , which shifts the interlock mechanism (2) - figure (3.3).
The interlock is released when the frame is shifted to position B.