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Pronar T669
FIG. 3.8
Control valve and brake force regulator
(1) control valve, (2) brake force regulator, (3) trailer parking brake release button, (4) work
selection regulator lever, (A) position "NO LOAD", (B) position "HALF LOAD", (C) position
"FULL LOAD"
3.2.4 HYDRAULIC TIPPER SYSTEM
Hydraulic tipping system serves in automatic unloading of trailer by tipping the load box to the
rear. The hydraulic tipping system is supplied with oil from the tractor's hydraulic system.
Hydraulic oil manifold of the tractor's external hydraulic system is used to control the load box
tipping mechanism.
The trailer system consists of two independent circuits:
• circuit (A) - to supply the trailer's hydraulic ram cylinder,
• circuit (B) - to supply of the second trailer's hydraulic ram cylinder (if two trailers
are hitched to the tractor).
3.12
SECTION 3
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