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4.2.8 Examples of programming operations in hydraulic distributor EHS sec-
tion control
4.2.8.1 Elements to control and program the hydraulic distributor EHS sections
Elements to control and program the sections of the hydraulic distributor EHS are
provided in figures 4.2.2, 4.2.3, 4.2.4.
Note – General data on rules of control and principles of programming the operation
of the hydraulic distributor EHS sections are provided in subsection 2.16 "Electronic system
of the hydraulic distributor EHS sections control".
1 – joystick to control sections No 1 and No 2 of the hydraulic distributor; 2 – joy-
stick to control sections No 3 and No 4 of the hydraulic distributor; 3 – operation program-
ming unit of the HLL (OPU of the HLL); 4 – integrated electronic panel (IEP); 5 – section
No 4 of the hydraulic distributor; 6 – section No 3 of the hydraulic distributor; 7 – section
No 2 of the hydraulic distributor; 8 – section No 1 of the hydraulic distributor;
Figure 4.2.2 – Hydraulic distributor EHS section control
1 – power disconnect switch of the OPU of the HLL; 2 – button of program No 3; 3 –
button of program No 2; 4 – button of program No 1; 5 – annunciator of program No 1; 6 –
annunciator of program No 2; 7 – annunciator of program No 3; 8 – digital indicator of the
number of section in action; 9 – digital indicator of oil flow value over the active section; 10
– annunciators of uplift and lowering of the corresponding sections of the hydraulic distribu-
tor; 11 – "STOP" switch for emergency deactivation of the hydraulic distributor; 12 – button
to select section No 4 of the hydraulic distributor; 13 – button to select section No 3 of the
hydraulic distributor; 14 – button to select section No 2 of the hydraulic distributor; 15 – but-
ton to select section No 1 of the hydraulic distributor.
Figure 4.2.3 – Operation programming unit of the HLL
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