JLG 740AJ Parts Manual - Manual (Page 5)

3121161 740AJ i
TABLE OF CONTENTS
FIGURE NO. TITLE PAGE NO.
SECTION 1 - FRAME . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1
1-1 AXLE AND STEERING INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
1-2 TIRE AND WHEEL INSTALLATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
1-3 DRIVE HUB ASSEMBLY (PRIOR TO SN 0300138447). . . . . . . . . . . . . . . . . . . . . . . . . 1-12
1-4 DRIVE HUB ASSEMBLY (SN 0300138447 TO PRESENT) . . . . . . . . . . . . . . . . . . . . . . 1-16
1-5 DRIVE MOTOR ASSEMBLY (PRIOR TO SN 0300138447) . . . . . . . . . . . . . . . . . . . . . . 1-20
1-6 DRIVE MOTOR ASSEMBLY (SN 0300138447 TO PRESENT) . . . . . . . . . . . . . . . . . . . 1-22
1-7 DRIVE VALVES & SHIELDS INSTALLATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-24
1-8 TOW PACKAGE INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-26
SECTION 2 - TURNTABLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1
2-1 CONTROL VALVES & HORN INSTALLATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2-2 MAIN CONTROL VALVE ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
2-3 ACCESSORY VALVE ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
2-4 AUXILIARY PUMP ASSEMBLY (SN 0300109067 TO PRESENT) . . . . . . . . . . . . . . . . . 2-12
2-5 TURNTABLE BEARING AND SWING DRIVE INSTALLATION . . . . . . . . . . . . . . . . . . . 2-16
2-6 SWING MOTOR/HUB ASSEMBLY (PRIOR TO SN 0300134353) . . . . . . . . . . . . . . . . . 2-18
2-7 SWING MOTOR/HUB ASSEMBLY (SN 0300134353 TO PRESENT) . . . . . . . . . . . . . . 2-24
2-8 DEUTZ ENGINE INSTALLATION (PRIOR TO SN 0300077500) . . . . . . . . . . . . . . . . . . 2-28
2-9 DEUTZ ENGINE INSTALLATION (SN 0300077500 TO PRESENT) . . . . . . . . . . . . . . . 2-34
2-10 FORD ENGINE INSTALLATION (PRIOR TO SN 0300077500) . . . . . . . . . . . . . . . . . . . 2-46
2-11 FORD ENGINE INSTALLATION (SN 0300077500 TO PRESENT) . . . . . . . . . . . . . . . . 2-52
2-12 DUAL FUEL INSTALLATION (GAS MACHINES OPTIONS) . . . . . . . . . . . . . . . . . . . . . 2-60
2-13 GM ENGINE INSTALLATION (PRIOR TO SN 0300140592) . . . . . . . . . . . . . . . . . . . . . 2-64
2-14 GM ENGINE INSTALLATION (SN 0300140592 TO PRESENT) . . . . . . . . . . . . . . . . . . 2-70
2-15 PISTON PUMP ASSEMBLY (SAUER DANFOSS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-76
2-16 PISTON PUMP ASSEMBLY (EATON) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-80
2-17 TANK INSTALLATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-84
2-18 ROTARY COUPLING INSTALLATION (PRIOR TO SN 0300138447) . . . . . . . . . . . . . . 2-88
2-19 ROTARY COUPLING INSTALLATION (SN 0300138447 TO PRESENT) . . . . . . . . . . . 2-90
2-20 GROUND CONTROL BOX ASSEMBLY (PRIOR TO SN 0300139070) . . . . . . . . . . . . . 2-92
2-21 GROUND CONTROL BOX ASSEMBLY (SN 0300139070 TO PRESENT) . . . . . . . . . . 2-96
2-22 ELECTRICAL OPTIONS INSTALLATION (TURNTABLE MOUNTED) . . . . . . . . . . . . . . 2-100
2-23 HOODS INSTALLATION (PRIOR TO SN 0300089982). . . . . . . . . . . . . . . . . . . . . . . . . 2-104
2-24 HOODS INSTALLATION (ABS) (SN 0300089982 TO PRESENT). . . . . . . . . . . . . . . . . 2-108
2-25 HOODS INSTALLATION (Steel) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-114
2-26 ENGINE TRAY JACK INSTALLATION (OPTIONAL) . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-120
2-27 2500W GENERATOR INSTALLATION - DEUTZ MACHINES (ANSI & CSA SPEC
ONLY) (OPTIONAL). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-122
2-28 2500W GENERATOR INSTALLATION - FORD MACHINES (ANSI & CSA SPEC
ONLY) (OPTIONAL) (PRIOR TO SN 0300077500). . . . . . . . . . . . . . . . . . . . . . . . . . 2-126
2-29 2500W GENERATOR INSTALLATION - FORD MACHINES (ANSI & CSA SPEC
ONLY) (OPTIONAL) (SN 0300077500 TO PRESENT) . . . . . . . . . . . . . . . . . . . . . . . 2-130
2-30 2500W GENERATOR INSTALLATION - GM MACHINES (OPTIONAL). . . . . . . . . . . . . 2-134
SECTION 3 - BOOM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1
3-1 BOOM AND CYLINDERS INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
3-2 MAIN BOOM ASSEMBLIES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
3-3 ROTATOR ASSEMBLY (PRIOR TO SN 0300130881) . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
3-4 ROTATOR ASSEMBLY (SN 0300130881 TO PRESENT) . . . . . . . . . . . . . . . . . . . . . . . 3-14
3-5 VALVE AND LIMIT SWITCH INSTALLATIONS (BOOM MOUNTED). . . . . . . . . . . . . . . 3-16