SECTION 7 - BASIC ELECTRICAL INFORMATION & SCHEMATICS
3121259
– JLG Lift –
7-31
B
A
Function Pump
LOWER LIFT CYLINDER
BARREL: 2.95"(75mm)
ROD: 1.77"(45mm)
STROKE: 29.6" (751.8mm)
RETURN FILTER
MICRON LEVEL: 6
BYPASS VALVE: 45 PSI
FUNCTION PUMP
1st Gear: 0.51 cu in (8.4cc) at 1800 RPM, 3.6 GPM
2nd Gear: 0.16 cu in (2.62cc) at 1800 RPM, 1.1 GPM
+12VDC at Coil C1 = pressure at M4 = flow out port A
+12VDC at Coil C2 = pressure at M5 = flow out port B
DRIVE MOTOR
Fixed 12.2 cu in (200CC)
Presurize port A = CW Rotation
Presurize port B = CCW Rotation
DRIVE GEAR BOX
Ratio: 4.25:1
Brake Torque 4300 in/lb
Brake Release 350 PSI (24 BAR)
Output Rotation Opposite Input Rotation
SWING DRIVE
MOTOR D: 2.2 cu in (36cc)
REDUCTION: 170.7:1
CHARGE FILTER
MICRON LEVEL: 5
BYPASS VALVE: 43 PSI (3 BAR)
DRIVE PUMP
2.75 cu in (45 cc)
4060 PSI (280 BAR) Max
377 PSI (26 BAR) Charge
0.73 cu in (12cc) Charge Pump Displacement
P1 Main relief 2500 PSI (172.4 BAR)
P2 Main relief 3000 PSI (207 BAR)
Swing port relief 1000 PSI (69 BAR)
Steer port relief 2500 PSI (172.4 BAR)
Platform level up port relief 2800 PSI (193 BAR)
Platform level down port relief 1400 PSI (96.5 BAR)
Forward
Reverse
MAIN CONTROL VALVE
STEER
FLOW CONTROL
UPPER LIFT
SWING
LOWER LIFT
P4
M4
3
4
5
6
MS
T
CP
P1
P2
M1
M2
1
2
DRIVE VALVE
Secondary oscl axle valve
Primary oscl axle valve
1
4
5
8
12
13
15
16
18
17
14
V1
V2
ORF
X
Hydraulic Oil Analysis Sampling Valve
HYDRAULIC RELIEF VALVE SETTINGS:
1
2
MA
L2
MB
C2
C1
M4
M5
A
M3
B
S
E
F
L1
X
M14
DRIVE
PUMP
X3
Emergency Descent
Hand Pump
Figure 7-37. Hydraulic Schematic - Sheet 2 of 2
1001120020-C
Содержание 340AJ
Страница 1: ...Service and Maintenance Manual Model 340AJ P N 3121259 June 27 2017...
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Страница 10: ...vi JLG Lift 3121259 TABLE OF CONTENTS SECTION NO TITLE PAGE NO Thispageleftblankintentionally...
Страница 15: ...3121259 JLG Lift xi LIST OF FIGURES FIGURE NO TITLE PAGE NO Thispageleftblankintentionally...
Страница 18: ...xiv JLG Lift 3121259 LIST OF TABLES TABLE NO TITLE PAGE NO Thispageleftblankintentionally...
Страница 42: ...SECTION 2 GENERAL 2 12 JLG Lift 3121259 NOTES...
Страница 69: ...SECTION 3 CHASSIS TURNTABLE 3121259 JLG Lift 3 27 Figure 3 24 Bearing Pressing Tool...
Страница 71: ...SECTION 3 CHASSIS TURNTABLE 3121259 JLG Lift 3 29 Figure 3 27 Bearing Nut Wrench...
Страница 134: ...SECTION 3 CHASSIS TURNTABLE 3 92 JLG Lift 3121259 NOTES...
Страница 157: ...SECTION 4 BOOM PLATFORM 3121259 JLG Lift 4 23 Figure 4 8 Rotator Counterbalance Valve...
Страница 218: ...SECTION 5 HYDRAULICS 5 58 JLG Lift 3121259 Figure 5 32 Fasteners and Plugs Sheet 1 of 2...
Страница 219: ...SECTION 5 HYDRAULICS 3121259 JLG Lift 5 59 Figure 5 33 Fasteners and Plugs Sheet 2 of 2...
Страница 236: ...SECTION 5 HYDRAULICS 5 76 JLG Lift 3121259 Figure 5 39 Gear Pump Cutaway...
Страница 246: ...SECTION 5 HYDRAULICS 5 86 JLG Lift 3121259 Figure 5 40 Oil Sampling Port...
Страница 255: ...SECTION 6 JLG CONTROL SYSTEM 3121259 JLG Lift 6 9 PLATFORM MODULE GROUND MODULE Figure 6 2 Control Module Location...
Страница 256: ...SECTION 6 JLG CONTROL SYSTEM 6 10 JLG Lift 3121259 Figure 6 3 Ground Module Sheet 1 of 4...
Страница 267: ...SECTION 6 JLG CONTROL SYSTEM 3121259 JLG Lift 6 21 Figure 6 10 Analyzer Diagnostics Menu Sheet 1 of 4...
Страница 268: ...SECTION 6 JLG CONTROL SYSTEM 6 22 JLG Lift 3121259 Figure 6 11 Analyzer Diagnostics Menu Sheet 2 of 4...
Страница 269: ...SECTION 6 JLG CONTROL SYSTEM 3121259 JLG Lift 6 23 Figure 6 12 Analyzer Diagnostics Menu Sheet 3 of 4...
Страница 270: ...SECTION 6 JLG CONTROL SYSTEM 6 24 JLG Lift 3121259 Figure 6 13 Analyzer Diagnostics Menu Sheet 4 of 4...
Страница 271: ...SECTION 6 JLG CONTROL SYSTEM 3121259 JLG Lift 6 25 Figure 6 14 Analyzer Personalities Menu Sheet 1 of 2...
Страница 272: ...SECTION 6 JLG CONTROL SYSTEM 6 26 JLG Lift 3121259 Figure 6 15 Analyzer Personalities Menu Sheet 2 of 2...
Страница 273: ...SECTION 6 JLG CONTROL SYSTEM 3121259 JLG Lift 6 27 Figure 6 16 Analyzer Machine Setup Menu...
Страница 274: ...SECTION 6 JLG CONTROL SYSTEM 6 28 JLG Lift 3121259 Figure 6 17 Analyzer Calibrations Menu...
Страница 289: ...SECTION 6 JLG CONTROL SYSTEM 3121259 JLG Lift 6 43 14 Press ENTER If calibration is successful the screen will read...
Страница 336: ...SECTION 6 JLG CONTROL SYSTEM 6 90 JLG Lift 3121259 NOTES...
Страница 346: ...SECTION 7 BASIC ELECTRICAL INFORMATION SCHEMATICS 7 10 JLG Lift 3121259 Figure 7 13 Connector Installation...
Страница 365: ...SECTION 7 BASIC ELECTRICAL INFORMATION SCHEMATICS 3121259 JLG Lift 7 29 This page left blank intentionally...
Страница 368: ...SECTION 7 BASIC ELECTRICAL INFORMATION SCHEMATICS 7 32 JLG Lift 3121259 NOTES...
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