PRONAR KURIER 10, Инструкция по эксплуатации и обслуживанию

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4.2. STRUCTURE AND PRINCIPLE OF OPERATION
4.2.1. Chassis
Chassis of the trailer is composed of elements marked in the figure 5. Frame (1) is a structure welded from steel
sections. Basic bearing elements are frame side members linked with cross-beams.
In the rear of the frame there are elements designed for fixing travelling axle (4) and elements of rear lighting unit.
Travelling axle (4) is made of square-shaped rod ended with plugs, where hubs of travelling wheels are installed on
cone bearing. These are single wheels, equipped with shoe brakes, actuated by mechanical cam expanders. In the
front of the frame, there are draught bar (2) and supporting wheel (3). Kind of draught bar applied (2) depends on
the version of ordered trailer.
In the trailer Kurier 10 there are several draught bar, that may be applied: draught bar with fixed string (draught bar
eye Ø40), draught bar with rotational string (draught bar eye Ø50). Figure 5 shows the trailer with rotational draught
bar.
FIGURE 5. Chassis
(1-bottom frame, 2-draught bar, 3-supporting wheel, 4-traveling axle)