Parking Brake - PRONAR PT512 Operator's Manual

CHAPTER 3
When the support is being raised or lowered, the system's lines can become damaged,
resulting in depressurization. In such case the hydraulic locking device will lock the cylinder
(4) in a given position.
TIP
The support's hydraulic system is filled with L-HL32 Lotos hydraulic oil.

3.2.6 PARKING BRAKE

FIGURE 3.12 Parking brake
(1) crank mechanism, (2) cable, (3) guide roller, (4) expander arm
The parking brake is used to immobilize the trailer and secure it against rolling.
3.17
Pronar PT512