JLG 80HX_HX+6 Parts Manual User Manual

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TABLE OF CONTENTS

SECTION 1 - FRAME . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1

1-1

FRAME, STEERING & AXLE INSTALLATIONS - 2WD FIXED AXLE MACHINES . . . . . .1-2

1-2

FRAME, STEERING & AXLE INSTALLATIONS - 4WD FIXED AXLE MACHINES . . . . . .1-6

1-3

FRAME, STEERING & AXLE INSTALLATIONS - 2WD & 4WD OSCILLATING

AXLE MACHINES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-10
1-4

REAR, STEERING & AXLE INSTALLATIONS - 4WS MACHINES . . . . . . . . . . . . . . . . . .1-14

1-5

TIRE AND WHEEL DRIVE INSTALLATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-18

1-6

DRIVE MOTOR ASSEMBLY - 2WD/2WS FIXED FRONT AXLE MACHINES . . . . . . . . . .1-24

1-7

DRIVE MOTOR ASSEMBLY - 2WD/4WS, 4WD/2WS AND 4WD/4WS FIXED

FRONT AXLE MACHINES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-28
1-8

DRIVE MOTOR ASSEMBLY - 2WD/2WS, 2WD/4WS, 4WD/2WS AND 4WD/4WS

OSCILLATING FRONT AXLE MACHINES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-32
1-9

BRAKE ASSEMBLY - AUSCO (2WD PRIOR TO JANUARY 1992) . . . . . . . . . . . . . . . . .1-34

1-10

BRAKE ASSEMBLY - MICO (4WD PRIOR TO JULY 1991) . . . . . . . . . . . . . . . . . . . . . . .1-36

1-11

BRAKE ASSEMBLY - MICO (2WD JANUARY 1992 TO PRESENT AND 4WD

JULY 1991 TO PRESENT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-38
1-12

GEAR REDUCER ASSEMBLY 2WD/2WS WITH FIXED FRONT AXLE AND

ALL 2WD WITH OSCILLATING FRONT AXLE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-42
1-13

DRIVE HUB ASSEMBLIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-44

1-14

VALVES & SWITCHES INSTALLATIONS (FRAME MOUNTED) . . . . . . . . . . . . . . . . . . .1-48

1-15

AXLE LIFT CYLINDER INSTALLATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-54

1-16

TOW PACKAGE INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-58

SECTION 2 - TURNTABLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1

2-1

BOOM, TURNTABLE AND BEARING LUBE INSTALLATION . . . . . . . . . . . . . . . . . . . . .2-2

2-2

CONTROL VALVE INSTALLATION - VICKERS PROPORTIONAL . . . . . . . . . . . . . . . . . .2-6

2-3

CONTROL VALVE ASSEMBLY (VICKERS) (PRIOR TO OCTOBER 1994) . . . . . . . . . . .2-10

2-4

CONTROL VALVE ASSEMBLY (VICKERS) (OCTOBER 1994 TO PRESENT) . . . . . . . .2-14

2-5

CONTROL VALVE ASSEMBLY - RACINE BANG-BANG WITH DUMP SECTION . . . . . .2-18

2-6

CONTROL VALVE ASSEMBLY - BANG-BANG WITH DUMP SECTION . . . . . . . . . . . . .2-22

2-7

CONTROL VALVE ASSEMBLY - BANG-BANG WITH INLET RELIEF . . . . . . . . . . . . . . .2-26

2-8

CONTROL VALVE ASSEMBLY - 1 SECTION BANG-BANG (80HX+6 ONLY) . . . . . . . .2-30

2-9

SWING DRIVE, BEARING AND LOCK INSTALLATIONS. . . . . . . . . . . . . . . . . . . . . . . . .2-32

2-10

SWING MOTOR ASSEMBLY - CHAR-LYNN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-36

2-11

SWING MOTOR ASSEMBLY - EATON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-38

2-12

SWING BRAKE ASSEMBLIES (PRIOR TO APRIL 1992) . . . . . . . . . . . . . . . . . . . . . . . . .2-40

2-13

SWING BRAKE ASSEMBLIES (APRIL 1992 TO PRESENT) . . . . . . . . . . . . . . . . . . . . . .2-44

2-14

SWING HUB ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-48

2-15

ROTARY COUPLING AND COLLECTOR RING ASSEMBLY AND INSTALLATION . . . .2-50

2-16

DEUTZ ENGINE INSTALLATION WITHOUT NOISE REDUCTION (BUILT PRIOR

TO DECEMBER 1992) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-54
2-17

DEUTZ ENGINE INSTALLATION WITH NOISE REDUCTION (BUILT DECEMBER

1992 TO PRESENT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-60
2-18

ADECO THROTTLE COMPONENTS INSTALLATION - DEUTZ ENGINE MACHINES . .2-66

2-19

GENERATOR INSTALLATION - DEUTZ ENGINE MACHINES . . . . . . . . . . . . . . . . . . . .2-70

2-20

FORD LSG-423 ENGINE INSTALLATIONS (PRIOR MARCH TO 1995) . . . . . . . . . . . . .2-72

2-21

PRECISION GOVERNOR INSTALLATION - FORD ENGINE MACHINES BUILT PRIOR

TO MARCH 1995. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-80
2-22

GENERATOR INSTALLATION - FORD ENGINE MACHINES BUILT PRIOR

TO MARCH 1995 (OPTIONAL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-82
2-23

FORD LRG423/LRG425 ENGINE INSTALLATION (MARCH 1995 TO PRESENT) . . . . .2-84