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

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