SECTION
4
- BOO
M
& PLATFOR
M
3121160
4-15
6.
Remove hardware securing the boom pivot pin to the
upright. Using a suitable brass drift and hammer,
remove the pivot pin from upright.
7.
Using all applicable safety precautions, carefully lift
boom assembly clear of upright and lower to ground or
suitably supported work surface.
NOTE:
The main boom alone weighs approximately 2226 lbs.
(1010 kg). Including the slave cylinder, rotator, and plat-
form support the assembly weighs approximately 3185 lbs.
(1445 kg).
Disassembly
1.
Remove hardware securing telescope cylinder to after
end of the base boom section.
2.
Remove hardware which secures the wear pads to the
base boom section; remove the wear pads from the top,
sides and bottom of the base boom section.
3.
Using overhead crane or suitable lifting device, remove
fly boom assembly from base section.
4.
Remove hardware from the telescope cylinder pin.
Using a suitable brass drift and hammer remove the cyl-
inder pin from fly boom section.
5.
Pull the telescope cylinder partially from after end of the
fly boom section; secure the cylinder with a suitable
sling and lifting device at approximately the center of
gravity.
6.
Carefully remove the telescope cylinder and place tele-
scope cylinder on a suitable trestle.
NOTE:
The Main Boom Telescope Cylinder can be removed with-
out the main boom disassembly by disconnecting hydrau-
lic lines, top attaching pin of main lift cylinder and
telescope cylinders as directed above, and pulling out the
telescope cylinder from the rear, thru the access plate
opening of the upright.
7.
Remove hardware which secures the wear pads to the
after end of fly boom section; remove the wear pads
from the top, sides and bottom of the fly boom section.
Summary of Contents for 740AJ
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Page 55: ...SECTION 3 CHASSIS TURNTABLE 3121160 3 3 This page left blank intentionally...
Page 116: ...SECTION 3 CHASSIS TURNTABLE 3 64 3121160 Figure 3 44 Swing Hub Prior to SN 0300074383...
Page 203: ...SECTION 3 CHASSIS TURNTABLE 3121160 3 151 Figure 3 77 EFI Component Location...
Page 206: ...SECTION 3 CHASSIS TURNTABLE 3 154 3121160 Figure 3 78 ECM EPM Identification ECM EPM...
Page 224: ...SECTION 3 CHASSIS TURNTABLE 3 172 3121160 Figure 3 83 Deutz EMR 2 Troubleshooting Flow Chart...
Page 228: ...SECTION 3 CHASSIS TURNTABLE 3 176 3121160 Figure 3 87 EMR 2 Engine Plug Pin Identification...
Page 229: ...SECTION 3 CHASSIS TURNTABLE 3121160 3 177 Figure 3 88 EMR 2 Vehicle Plug Pin Identification...
Page 230: ...SECTION 3 CHASSIS TURNTABLE 3 178 3121160 Figure 3 89 EMR2 Fault Codes Sheet 1 of 5...
Page 231: ...SECTION 3 CHASSIS TURNTABLE 3121160 3 179 Figure 3 90 EMR2 Fault Codes Sheet 2 of 5...
Page 232: ...SECTION 3 CHASSIS TURNTABLE 3 180 3121160 Figure 3 91 EMR2 Fault Codes Sheet 3 of 5...
Page 233: ...SECTION 3 CHASSIS TURNTABLE 3121160 3 181 Figure 3 92 EMR2 Fault Codes Sheet 4 of 5...
Page 234: ...SECTION 3 CHASSIS TURNTABLE 3 182 3121160 Figure 3 93 EMR2 Fault Codes Sheet 5 of 5...
Page 303: ...SECTION 4 BOOM PLATFORM 3121160 4 31 Figure 4 20 Rotator Assembly HELAC...
Page 460: ...SECTION 5 BASIC HYDRAULIC INFORMATION AND SCHEMATICS 5 116 3121160 NOTES...
Page 467: ...SECTION 6 JLG CONTROL SYSTEM 3121160 6 7 Figure 6 2 ADE Block Diagram...
Page 534: ...SECTION 6 JLG CONTROL SYSTEM 6 74 3121160 NOTES...
Page 580: ...SECTION 7 BASIC ELECTRICAL INFORMATION SCHEMATICS 7 46 3121160 NOTES...
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