SECTION 3 - CHASSIS & TURNTABLE
3121160
3-9
3.4
WHEEL DRIVE ASSEMBLY (SN 0300138447
THROUGH 0300185827)
Removal
NOTE:
The drive motor can be removed through the axle flange as
part of the wheel drive assembly or they can be removed
separately through the bottom of the frame while leaving
the drive hub bolted to the axle.
1.
Use a jack to lift the frame enough so the tire and wheel
assembly is off the ground. Place blocking strong
enough to support the weight of the machine under the
frame and remove the jack.
NOTE:
The foam-filled tire & wheel assembly weighs approxi-
mately 601 lbs. (273 kg).
2.
Remove hardware securing wheel and remove wheel
assembly.Using suitable lifting device lift the wheel
assembly and place in a suitable area.
3.
Through the access holes in the axle, tag and disconnect
the hydraulic lines running to the drive motor. Cap or
plug all openings to ensure no dirt enters the hydraulic
system.
NOTE:
The drive hub and drive motor assembly weighs approxi-
mately 280 lbs. (128 kg).
4.
Use a supporting device capable of handling the weight
of the drive hub, and drive motor and unbolt the drive
hub from the frame. Remove the entire assembly from
the machine.
5.
Remove the nuts and washers that secure the drive
motor to the drive hub and remove the drive motor.
Installation
1.
Install the washers and nuts to secure the drive hub and
drive motor and torque to 70 ft. lbs. (95 Nm).
2.
Place the drive hub flange against the mounting flange
on the axle and fasten it in place with the bolts and
washers. Torque the bolts to 190 ft. lbs. (260 Nm).
3.
Using adequate support, install wheel into wheel
assembly and secure with bolts and washers.
NOTE:
Torque the bolts to 300 ft. lbs. (407 Nm).
Figure 3-7. Drive Hub Installation (SN 0300138447 through 0300185827)
DRIVE HUB
WHEEL
BOLT
WASHER
DRIVE MOTOR
Summary of Contents for 740AJ
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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...
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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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