
SECTION 5 - BASIC HYDRAULIC INFORMATION & HYDRAULIC SCHEMATICS
5-114
3121619
5.6
PRESSURE SETTING PROCEDURE
Cold temperatures have a significant impact on pressure read-
ings. JLG Industries Inc. recommends operating the machine
until the hydraulic system has warmed to normal operating
temperatures prior to checking pressures. JLG Industries Inc.
also recommends the use of a calibrated gauge. Pressure read-
ings are acceptable if they are within ± 5% of specified pres-
sures.
To ensure all pressures are set correctly, the following proce-
dures must be followed in order.
1. Setup of the Function Pump
PRESSURE COMPENSATOR (PC) SETTING
1.
Install a high pressure gauge 5000 psi (345 bar) at the
“MP” port of the main valve block.
2.
Remove the Deutsch connector from the lift down coil.
3.
Activate lift down. The gauge should read 4000 psi. (275
bar).
4.
To make an adjustment to this pressure, go back to the
engine compartment to the function pump which is the
rear pump. The high pressure relief adjustment is the
adjustment closest to the pump case.
5.
Loosen the locking set screw at the side of the adjust-
ment. Adjust the PC to obtain 4000 psi (275 bar), clock-
wise increases pressure.
6.
After adjusting the pressure, tighten the locking set
screw, and reconnect the Lift Down coil.
STAND BY PRESSURE OR LOAD (LS) SENSE PRESSURE
1.
Install a low pressure gauge at port “MP” of the main
valve block. The gauge must be capable of reading 300
psi (21 bar).
2.
Start the engine, the gauge should read 300psi (21 bar).
3.
To make an adjustment to this pressure, go to the
engine compartment, locate the function pump.
LIFT DOWN
COIL
Содержание 1850SJ
Страница 1: ...Service and Maintenance Manual Model 1850SJ 3121619 June 29 2018 Rev J AS NZS...
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Страница 21: ...3121619 xvii LIST OF FIGURES FIGURE NO TITLE PAGE NO Thispageleftblankintentionally...
Страница 24: ...xx 3121619 LIST OF TABLES TABLE NO TITLE PAGE NO Thispageleftblankintentionally...
Страница 48: ...SECTION 2 GENERAL 2 10 3121619 Figure 2 1 Engine Operating Temperature Specifications Deutz 1001159163 A...
Страница 50: ...SECTION 2 GENERAL 2 12 3121619 NOTES...
Страница 55: ...SECTION 3 CHASSIS TURNTABLE 3121619 3 5 This page left blank intentionally...
Страница 56: ...SECTION 3 CHASSIS TURNTABLE 3 6 3121619 Figure 3 4 Axle Hose Routing Sheet 1 of 2...
Страница 57: ...SECTION 3 CHASSIS TURNTABLE 3121619 3 7 Figure 3 5 Axle Hose Routing Sheet 2 of 2...
Страница 58: ...SECTION 3 CHASSIS TURNTABLE 3 8 3121619 Figure 3 6 Steering Axle Hydraulic Circuit...
Страница 61: ...SECTION 3 CHASSIS TURNTABLE 3121619 3 11 Figure 3 9 Turntable Hydraulic System...
Страница 92: ...SECTION 3 CHASSIS TURNTABLE 3 42 3121619 Figure 3 39 Swing Bearing Wear Tolerance...
Страница 94: ...SECTION 3 CHASSIS TURNTABLE 3 44 3121619 Figure 3 41 Swing Bearing Removal Sheet 2 of 4...
Страница 100: ...SECTION 3 CHASSIS TURNTABLE 3 50 3121619 Figure 3 44 Diesel Exhaust Fluid DEF Tank Sheet 1 of 2...
Страница 110: ...SECTION 3 CHASSIS TURNTABLE 3 60 3121619 Figure 3 54 Engine Electrical Circuit...
Страница 169: ...SECTION 4 BOOM PLATFORM 3121619 4 7 Figure 4 1 Boom Hydraulic System...
Страница 173: ...SECTION 4 BOOM PLATFORM 3121619 4 11 Figure 4 2 Boom Assembly Sheet 1 of 9...
Страница 174: ...SECTION 4 BOOM PLATFORM 4 12 3121619 Figure 4 3 Boom Assembly Sheet 2 of 9...
Страница 175: ...SECTION 4 BOOM PLATFORM 3121619 4 13 Figure 4 4 Boom Assembly Sheet 3 of 9...
Страница 176: ...SECTION 4 BOOM PLATFORM 4 14 3121619 Figure 4 5 Boom Assembly Sheet 4 of 9...
Страница 177: ...SECTION 4 BOOM PLATFORM 3121619 4 15 Figure 4 6 Boom Assembly Sheet 5 of 9...
Страница 178: ...SECTION 4 BOOM PLATFORM 4 16 3121619 Figure 4 7 Boom Assembly Sheet 6 of 9...
Страница 179: ...SECTION 4 BOOM PLATFORM 3121619 4 17 Figure 4 8 Boom Assembly Sheet 7 of 9...
Страница 180: ...SECTION 4 BOOM PLATFORM 4 18 3121619 Figure 4 9 Boom Assembly Sheet 8 of 9...
Страница 181: ...SECTION 4 BOOM PLATFORM 3121619 4 19 Figure 4 10 Boom Assembly Sheet 9 of 9...
Страница 182: ...SECTION 4 BOOM PLATFORM 4 20 3121619 Figure 4 11 Locations for Threadlocker Application Sheet 1 of 5...
Страница 183: ...SECTION 4 BOOM PLATFORM 3121619 4 21 Figure 4 12 Locations for Threadlocker Application Sheet 2 of 5...
Страница 184: ...SECTION 4 BOOM PLATFORM 4 22 3121619 Figure 4 13 Locations for Threadlocker Application Sheet 3 of 5...
Страница 185: ...SECTION 4 BOOM PLATFORM 3121619 4 23 Figure 4 14 Locations for Threadlocker Application Sheet 4 of 5...
Страница 186: ...SECTION 4 BOOM PLATFORM 4 24 3121619 Figure 4 15 Locations for Threadlocker Application Sheet 5 of 5...
Страница 187: ...SECTION 4 BOOM PLATFORM 3121619 4 25 Figure 4 16 Boom Assembly Torque Values Sheet 1 of 4...
Страница 188: ...SECTION 4 BOOM PLATFORM 4 26 3121619 Figure 4 17 Boom Assembly Torque Values Sheet 2 of 4...
Страница 189: ...SECTION 4 BOOM PLATFORM 3121619 4 27 Figure 4 18 Boom Assembly Torque Values Sheet 3 of 4...
Страница 190: ...SECTION 4 BOOM PLATFORM 4 28 3121619 Figure 4 19 Boom Assembly Torque Values Sheet 4 of 4...
Страница 201: ...SECTION 4 BOOM PLATFORM 3121619 4 39 Figure 4 20 Hose Adjustment...
Страница 202: ...SECTION 4 BOOM PLATFORM 4 40 3121619 Figure 4 21 Section 3 Boom Cables...
Страница 203: ...SECTION 4 BOOM PLATFORM 3121619 4 41 Figure 4 22 Section 4 Boom Cables...
Страница 204: ...SECTION 4 BOOM PLATFORM 4 42 3121619 Figure 4 23 Section 5 Boom Cables...
Страница 205: ...SECTION 4 BOOM PLATFORM 3121619 4 43 Figure 4 24 Jib Hydraulics Sheet 1 of 7...
Страница 209: ...SECTION 4 BOOM PLATFORM 3121619 4 47 PLATFORM VALVE 10 0115 7243 C Figure 4 28 Jib Hydraulics Sheet 5 of 7...
Страница 221: ...SECTION 4 BOOM PLATFORM 3121619 4 59 Figure 4 37 Initial Exposed Thread Length for Wire Rope Adjustment...
Страница 234: ...SECTION 4 BOOM PLATFORM 4 72 3121619 Figure 4 44 Powertrack Shimming Instructions...
Страница 239: ...SECTION 4 BOOM PLATFORM 3121619 4 77 Figure 4 49 Powertrack Hose Installation Sheet 1 of 4...
Страница 240: ...SECTION 4 BOOM PLATFORM 4 78 3121619 Figure 4 50 Powertrack Hose Installation Sheet 2 of 4...
Страница 241: ...SECTION 4 BOOM PLATFORM 3121619 4 79 Figure 4 51 Powertrack Hose Installation Sheet 3 of 4...
Страница 242: ...SECTION 4 BOOM PLATFORM 4 80 3121619 Figure 4 52 Powertrack Hose Installation Sheet 4 of 4...
Страница 252: ...SECTION 4 BOOM PLATFORM 4 90 3121619 NOTES...
Страница 302: ...SECTION 5 BASIC HYDRAULIC INFORMATION HYDRAULIC SCHEMATICS 5 50 3121619 Figure 5 15 Turntable Hydraulic System...
Страница 396: ...SECTION 5 BASIC HYDRAULIC INFORMATION HYDRAULIC SCHEMATICS 5 144 3121619 Figure 5 136 Charge Pump...
Страница 401: ...SECTION 5 BASIC HYDRAULIC INFORMATION HYDRAULIC SCHEMATICS 3121619 5 149 Figure 5 141 Fastener and Plug Locations...
Страница 432: ...SECTION 5 BASIC HYDRAULIC INFORMATION HYDRAULIC SCHEMATICS 5 180 3121619 NOTES...
Страница 464: ...SECTION 6 JLG CONTROL SYSTEM 6 32 3121619 Figure 6 14 Analyzer Flow Chart Diagnostics Software Version 7 X Sheet 1 of 4...
Страница 486: ...SECTION 6 JLG CONTROL SYSTEM 6 54 3121619 Figure 6 33 System Test Flow Chart Platform Tests Sheet 1 of 2...
Страница 487: ...SECTION 6 JLG CONTROL SYSTEM 3121619 6 55 Figure 6 34 System Test Flow Chart Platform Tests Sheet 2 of 2...
Страница 489: ...SECTION 6 JLG CONTROL SYSTEM 3121619 6 57 Figure 6 35 System Test Flow Chart Ground Station Tests...
Страница 527: ...SECTION 6 JLG CONTROL SYSTEM 3121619 6 95 Figure 6 36 LSS Installation Sheet 1 of 4...
Страница 528: ...SECTION 6 JLG CONTROL SYSTEM 6 96 3121619 Figure 6 37 LSS Installation Sheet 2 of 4...
Страница 529: ...SECTION 6 JLG CONTROL SYSTEM 3121619 6 97 Figure 6 38 LSS Installation Sheet 3 of 4...
Страница 530: ...SECTION 6 JLG CONTROL SYSTEM 6 98 3121619 Figure 6 39 LSS Installation Sheet 4 of 4...
Страница 536: ...SECTION 6 JLG CONTROL SYSTEM 6 104 3121619 14 Press ENTER If calibration is successful the screen will read...
Страница 602: ...SECTION 7 BASIC ELECTRICAL INFORMATION ELECTRICAL SCHEMATICS 7 10 3121619 Figure 7 13 Connector Installation...
Страница 645: ...SECTION 7 BASIC ELECTRICAL INFORMATION ELECTRICAL SCHEMATICS 3121619 7 53 Figure 7 57 Chassis Harness Sheet 6 of 6...
Страница 658: ...SECTION 7 BASIC ELECTRICAL INFORMATION ELECTRICAL SCHEMATICS 7 66 3121619 Figure 7 70 T4F Engine Harness Sheet 1 of 14...
Страница 659: ...SECTION 7 BASIC ELECTRICAL INFORMATION ELECTRICAL SCHEMATICS 3121619 7 67 Figure 7 71 T4F Engine Harness Sheet 2 of 14...
Страница 660: ...SECTION 7 BASIC ELECTRICAL INFORMATION ELECTRICAL SCHEMATICS 7 68 3121619 Figure 7 72 T4F Engine Harness Sheet 3 of 14...
Страница 661: ...SECTION 7 BASIC ELECTRICAL INFORMATION ELECTRICAL SCHEMATICS 3121619 7 69 Figure 7 73 T4F Engine Harness Sheet 4 of 14...
Страница 662: ...SECTION 7 BASIC ELECTRICAL INFORMATION ELECTRICAL SCHEMATICS 7 70 3121619 Figure 7 74 T4F Engine Harness Sheet 5 of 14...
Страница 663: ...SECTION 7 BASIC ELECTRICAL INFORMATION ELECTRICAL SCHEMATICS 3121619 7 71 Figure 7 75 T4F Engine Harness Sheet 6 of 14...
Страница 664: ...SECTION 7 BASIC ELECTRICAL INFORMATION ELECTRICAL SCHEMATICS 7 72 3121619 Figure 7 76 T4F Engine Harness Sheet 7 of 14...
Страница 665: ...SECTION 7 BASIC ELECTRICAL INFORMATION ELECTRICAL SCHEMATICS 3121619 7 73 Figure 7 77 T4F Engine Harness Sheet 8 of 14...
Страница 666: ...SECTION 7 BASIC ELECTRICAL INFORMATION ELECTRICAL SCHEMATICS 7 74 3121619 Figure 7 78 T4F Engine Harness Sheet 9 of 14...
Страница 667: ...SECTION 7 BASIC ELECTRICAL INFORMATION ELECTRICAL SCHEMATICS 3121619 7 75 Figure 7 79 T4F Engine Harness Sheet 10 of 14...
Страница 668: ...SECTION 7 BASIC ELECTRICAL INFORMATION ELECTRICAL SCHEMATICS 7 76 3121619 Figure 7 80 T4F Engine Harness Sheet 11 of 14...
Страница 669: ...SECTION 7 BASIC ELECTRICAL INFORMATION ELECTRICAL SCHEMATICS 3121619 7 77 Figure 7 81 T4F Engine Harness Sheet 12 of 14...
Страница 670: ...SECTION 7 BASIC ELECTRICAL INFORMATION ELECTRICAL SCHEMATICS 7 78 3121619 Figure 7 82 T4F Engine Harness Sheet 13 of 14...
Страница 671: ...SECTION 7 BASIC ELECTRICAL INFORMATION ELECTRICAL SCHEMATICS 3121619 7 79 Figure 7 83 T4F Engine Harness Sheet 14 of 14...
Страница 687: ...SECTION 7 BASIC ELECTRICAL INFORMATION ELECTRICAL SCHEMATICS 3121619 7 95 Figure 7 99 Battery Installation Sheet 1 of 2...
Страница 688: ...SECTION 7 BASIC ELECTRICAL INFORMATION ELECTRICAL SCHEMATICS 7 96 3121619 Figure 7 100 Battery Installation Sheet 2 of 2...
Страница 710: ...SECTION 7 BASIC ELECTRICAL INFORMATION ELECTRICAL SCHEMATICS 7 118 3121619 NOTES...
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