SECTION 4 - BOOM & PLATFORM
4-62
– JLG Lift –
3121262
4.
Remove the retaining rings securing the retaining pins
on the powertrack side of the jib and remove the pins.
5.
Attach a strap or similar device between the jib base
boom and the jib fly boom to ensure the jib fly boom
will not extend inadvertently when the jib is raised.
6.
Raise the jib to horizontal.
7.
Retract the jib telescope cylinder.
8.
Tag and disconnect the hoses going to the jib telescope
cylinder.
9.
Place blocking underneath the cylinder to prevent it
from falling when the retaining bolts are removed.
Remove the retaining bolts securing the jib telescope
cylinder to the jib base boom.
NOTE:
The platform level cylinder weighs approximately 130 lbs.
(59 kg.).
10.
Attach an adequate lifting device to the cylinder and lift
the cylinder from the jib. Adjust the device as necessary
as the cylinder is withdrawn to balance the weight of
the cylinder.
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...
Page 202: ...SECTION 3 CHASSIS TURNTABLE 3 152 JLG Lift 3121262...
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Page 206: ...SECTION 3 CHASSIS TURNTABLE 3 156 JLG Lift 3121262...
Page 216: ...SECTION 3 CHASSIS TURNTABLE 3 166 JLG Lift 3121262...
Page 218: ...SECTION 3 CHASSIS TURNTABLE 3 168 JLG Lift 3121262...
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Page 222: ...SECTION 3 CHASSIS TURNTABLE 3 172 JLG Lift 3121262...
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Page 240: ...SECTION 3 CHASSIS TURNTABLE 3 190 JLG Lift 3121262...
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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