Liebherr Crane Control Load Sensing with LICCON Electro-Hydraulic Regulation Service Manual 899516108 – PDF DOWNLOAD
FILE DETAILS:
Liebherr Crane Control Load Sensing with LICCON Electro-Hydraulic Regulation Service Manual 899516108 – PDF DOWNLOAD
Language : English
Pages : 144
Downloadable : Yes
File Type : PDF
IMAGES PREVIEW OF THE MANUAL:
DESCRIPTION:
Liebherr Crane Control Load Sensing with LICCON Electro-Hydraulic Regulation Service Manual 899516108 – PDF DOWNLOAD
General fundamentals:
- On the electro-hydraulic Load-Sensing system, the variable displacement pump and the
distributing valve block are activated or regulated electronically by the LICCON control. - The electronically regulated Load-Sensing control has the function, to maintain a fixed
(programmed) pressure difference Δ p of e.g. 20 or. 40 bar (subject to the version)
between pump pressure (P) and load pressure (LS) constant as far as possible. - For the acquisition of both pressures a pressure sensor is installed into the P- circuit
and a pressure sensor into the LS-circuit and electrically connected with the LICCON
control. - The pump pressure (P) is acquired before the distributing valve and the load pressure
(LS) after the distributing valve (with the highest load pressure) in the control block.
TABLE OF CONTENTS:
Liebherr Crane Control Load Sensing with LICCON Electro-Hydraulic Regulation Service Manual 899516108 – PDF DOWNLOAD
Simplified functional diagram 4
General fundamentals on the electro-hydr Load-Sensing system 5
Principal diagram of the entire function (example: LTM 1080/1) 6
Functional principal – Load Sensing with Liccon crane control 7
Principal diagram on the activation of the variable displacement pump/s (Liebherr) 8
Description of the activation of the variable displacement pump/s (Liebherr) 9
Principal diagram on the activation of the valve units (Barmag/Bucher) 10
Description of the activation of the valve units (Barmag/Bucher) 11
Principal diagram on the Liccon Load-Sensing regulation (Liebherr) 12
Description of the Liccon Load-Sensing regulation (Liebherr) 13
Description (fundamentals) of the Load-Sensing regulator (Liccon-ZE 2) 15
Test and adjustment of LS control (only LTM 1090/2 and 1120/1)
Flow diagram on test sequence, basic adjustment / initial current pumps 27
Checking and adjusting Diesel engine idling speed 28
Checking pressure sensors (DA) „P and LS“ values 28
Checking mechanic pump zero position (Q-min) 29
Checking control oil pressure supply 29
Checking/adjusting basic adjustment pump regulator 30
Checking/adjusting initial current pump regulation (P1/P2) 31
Flow diagram on test sequence, final current pump variation 33
Checking/adjusting final current pump regulation (P1/P2) 34
Procedure for modification of initial and final currents 36
Short instructions for manual test and adjustment on crane types
LTM 1055/1, 1060/2, 1080/1, 1090/2, 1090/3, 1100/2, 1120/1 and 1150/1
Test and adjustment insructions for LS control 39
Outline on adjustment/setting values on LS pums and LS control blocks
Adjustment/setting values on LS pump and LS control block on the LTM 1055/1 45
Adjustment/setting values on LS pump and LS control block on the LTM 1060/2 50
Adjustment/setting values on LS pump and LS control block on the LTM 1080/1 55
Adjustment/setting values on LS pump and LS control block on the LTM 1090/2 60
Adjustment/setting values on LS pump and LS control block on the LTM 1090/3 65
Adjustment/setting values on LS pump and LS control block on the LTM 1100/2 70
Adjustment/setting values on LS pump and LS control block on the LTM 1120/1 75
Adjustm /set values on LS pump and control block on the LTM 1120/1, from Muli 20 80
Adjustment/setting values on LS pump and control block block on the LTM 1150/1 85
General fundamentals on the electro-hydr Load-Sensing system 5
Principal diagram of the entire function (example: LTM 1080/1) 6
Functional principal – Load Sensing with Liccon crane control 7
Principal diagram on the activation of the variable displacement pump/s (Liebherr) 8
Description of the activation of the variable displacement pump/s (Liebherr) 9
Principal diagram on the activation of the valve units (Barmag/Bucher) 10
Description of the activation of the valve units (Barmag/Bucher) 11
Principal diagram on the Liccon Load-Sensing regulation (Liebherr) 12
Description of the Liccon Load-Sensing regulation (Liebherr) 13
Description (fundamentals) of the Load-Sensing regulator (Liccon-ZE 2) 15
Test and adjustment of LS control (only LTM 1090/2 and 1120/1)
Flow diagram on test sequence, basic adjustment / initial current pumps 27
Checking and adjusting Diesel engine idling speed 28
Checking pressure sensors (DA) „P and LS“ values 28
Checking mechanic pump zero position (Q-min) 29
Checking control oil pressure supply 29
Checking/adjusting basic adjustment pump regulator 30
Checking/adjusting initial current pump regulation (P1/P2) 31
Flow diagram on test sequence, final current pump variation 33
Checking/adjusting final current pump regulation (P1/P2) 34
Procedure for modification of initial and final currents 36
Short instructions for manual test and adjustment on crane types
LTM 1055/1, 1060/2, 1080/1, 1090/2, 1090/3, 1100/2, 1120/1 and 1150/1
Test and adjustment insructions for LS control 39
Outline on adjustment/setting values on LS pums and LS control blocks
Adjustment/setting values on LS pump and LS control block on the LTM 1055/1 45
Adjustment/setting values on LS pump and LS control block on the LTM 1060/2 50
Adjustment/setting values on LS pump and LS control block on the LTM 1080/1 55
Adjustment/setting values on LS pump and LS control block on the LTM 1090/2 60
Adjustment/setting values on LS pump and LS control block on the LTM 1090/3 65
Adjustment/setting values on LS pump and LS control block on the LTM 1100/2 70
Adjustment/setting values on LS pump and LS control block on the LTM 1120/1 75
Adjustm /set values on LS pump and control block on the LTM 1120/1, from Muli 20 80
Adjustment/setting values on LS pump and control block block on the LTM 1150/1 85
LS Control, autom , checking-adjusting by setting programs
Setting assistance for the LTM 1090/3 91
Description of hydraulic pumps
Set up and function – double variable displacement pump LPVD 100 EL/DA 109
Set up and function – variable displacement pump LPV 140 (only LTM 1055/1) 113
Set up and function – variable displacement pump A11 V0 (only LTM 1060/2) 121
Outline on Load-Sensing (LS) control blocks 125
LS control block (Bucher/Barmag) on the LTM 1055/2 126
LS control block (Rexroth) on the LTM 1060/2 128
LS control block (Bucher/Barmag) on the LTM 1080/1 130
LS control block (Bucher/Barmag) on the LTM 1090/2 132
LS control block (Bucher/Barmag) on the LTM 1090/3 134
LS control block (Bucher/Barmag) on the LTM 1100/2 136
LS control block (Bucher/Barmag) on the LTM 1120/1 138
LS control block (Bucher/Barmag) on the LTM 1120/1 140
Setting assistance for the LTM 1090/3 91
Description of hydraulic pumps
Set up and function – double variable displacement pump LPVD 100 EL/DA 109
Set up and function – variable displacement pump LPV 140 (only LTM 1055/1) 113
Set up and function – variable displacement pump A11 V0 (only LTM 1060/2) 121
Outline on Load-Sensing (LS) control blocks 125
LS control block (Bucher/Barmag) on the LTM 1055/2 126
LS control block (Rexroth) on the LTM 1060/2 128
LS control block (Bucher/Barmag) on the LTM 1080/1 130
LS control block (Bucher/Barmag) on the LTM 1090/2 132
LS control block (Bucher/Barmag) on the LTM 1090/3 134
LS control block (Bucher/Barmag) on the LTM 1100/2 136
LS control block (Bucher/Barmag) on the LTM 1120/1 138
LS control block (Bucher/Barmag) on the LTM 1120/1 140
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