SECTION 5 - BASIC HYDRAULIC INFORMATION & HYDRAULIC SCHEMATICS
5-160
– JLG Lift –
3121262
V2
V1
JIB TELESCOPE CYLINDER
BORE 2.5" 4.91 sq in
ROD 1.5" 1.78 sq in
ANNULAR 3.14 sq in
STROKE 118"
RATIO 1.56:1
V2
V1
JIB LEVEL CYLINDER
BORE 5.5" 23.76 sq in
ROD 2.5" 4.91 sq in
ANNULAR 18.85 sq in
STROKE 16.59"
RATIO 1.26:1
JIB LIFT CYLINDER
BORE 5" 19.63 sq in
ROD 2.5" 4.91 sq in
ANNULAR 14.73 sq in
STROKE 25.15"
RATIO 1.33:1
JIB CONTROL VALVE
T
C2
C1
V1
V2
V1
V2
TO GR
PORT ON
MAIN
CONTROL
VALVE
TO PORT ON
HIGH PRESSURE
FILTER
- 0
+50
P1
- 50
+ 0
LA
MLA
LB
MLB
TA
TB
SA
SB
- 0
+50
JA
JB
- 0
+50
- 50
+ 0
MTA
MTB
MJA
MJB
MP
T1
T2
- 0
+50
T3
P2
2800
PSI
1200
PSI
2.0
GPM
0.3
GPM
3000
PSI
3000
PSI
1500
PSI
2600
PSI
JIB STOW ROTATOR
66 CU IN
10:1 PILOT RATIO
SPRING 3300 PSI
Figure 5-155. Hydraulic Schematic - Sheet 9 of 10
Summary of Contents for JLG 1500SJ
Page 1: ...Service and Maintenance Manual Model 1500SJ P N 3121262 March 7 2016...
Page 2: ......
Page 24: ...xx JLG Lift 3121262 LIST OF TABLES TABLE NO TITLE PAGE NO This page left blank intentionally...
Page 40: ...SECTION 1 SPECIFICATIONS 1 16 JLG Lift 3121262 NOTES...
Page 62: ...SECTION 3 CHASSIS TURNTABLE 3 12 JLG Lift 3121262 Figure 3 11 Axle Loctite Application...
Page 186: ...SECTION 3 CHASSIS TURNTABLE 3 136 JLG Lift 3121262 Figure 3 72 EMR2 Fault Codes Sheet 1 of 5...
Page 187: ...SECTION 3 CHASSIS TURNTABLE 3121262 JLG Lift 3 137 Figure 3 73 EMR2 Fault Codes Sheet 2 of 5...
Page 188: ...SECTION 3 CHASSIS TURNTABLE 3 138 JLG Lift 3121262 Figure 3 74 EMR2 Fault Codes Sheet 3 of 5...
Page 189: ...SECTION 3 CHASSIS TURNTABLE 3121262 JLG Lift 3 139 Figure 3 75 EMR2 Fault Codes Sheet 4 of 5...
Page 190: ...SECTION 3 CHASSIS TURNTABLE 3 140 JLG Lift 3121262 Figure 3 76 EMR2 Fault Codes Sheet 5 of 5...
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Page 244: ...SECTION 3 CHASSIS TURNTABLE 3 194 JLG Lift 3121262...
Page 273: ...SECTION 4 BOOM PLATFORM 3121262 JLG Lift 4 25 Figure 4 6 Boom Assembly Sheet 7 of 7...
Page 305: ...SECTION 4 BOOM PLATFORM 3121262 JLG Lift 4 57 Figure 4 14 Jib Assembly Sheet 2 of 3...
Page 318: ...SECTION 4 BOOM PLATFORM 4 70 JLG Lift 3121262 Figure 4 18 Powertrack Hosing Sheet 2 of 3...
Page 319: ...SECTION 4 BOOM PLATFORM 3121262 JLG Lift 4 71 Figure 4 19 Powertrack Hosing Sheet 3 of 3...
Page 332: ...SECTION 4 BOOM PLATFORM 4 84 JLG Lift 3121262 Figure 4 22 Outer Mid Boom Extend Retract Cables...
Page 333: ...SECTION 4 BOOM PLATFORM 3121262 JLG Lift 4 85 Figure 4 23 Fly Boom Extend Retract Cables...
Page 350: ...SECTION 4 BOOM PLATFORM 4 102 JLG Lift 3121262 Figure 4 29 Rotator Counterbalance Valve...
Page 516: ...SECTION 5 BASIC HYDRAULIC INFORMATION HYDRAULIC SCHEMATICS 5 162 JLG Lift 3121262 NOTES...
Page 536: ...SECTION 6 JLG CONTROL SYSTEM 6 20 JLG Lift 3121262 Figure 6 2 Control System Block Diagram...
Page 545: ...SECTION 6 JLG CONTROL SYSTEM 3121262 JLG Lift 6 29 Figure 6 10 Control Module Location...
Page 704: ...SECTION 7 BASIC ELECTRICAL INFORMATION ELECTRICAL SCHEMATICS 7 60 JLG Lift 3121262 NOTES...
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