JLG 70H Parts Manual - Manual (Page 79)

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SECTION 2 TURNTABLE
TABLE OF CONTENTS
FIGURE DESCRIPTION PAGE
2-1 BOOM, TURNTABLE & BEARING LUBE INSTALLATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
2-2 CONTROL VALVE INSTALLATION - RACINE PROPORTIONAL . . . . . . . . . . . . . . . . . . . . . . . 2-8
2-3 RACINE PROPORTIONAL CONTROL VALVE ASSEMBLY - OUTLET SECTION . . . . . . . . . . 2-14
2-4 RACINE PROPORTIONAL CONTROL VALVE ASSEMBLY - WORKING SECTION . . . . . . . . . 2-16
2-5 RACINE PROPORTIONAL CONTROL VALVE ASSEMBLY - INLET SECTION . . . . . . . . . . . . 2-18
2-6 RACINE PROPORTIONAL CONTROL VALVE ASSEMBLY - SERVO SECTION . . . . . . . . . . . 2-22
2-7 CONTROL VALVE INSTALLATION - VICKERS PROPORTIONAL. . . . . . . . . . . . . . . . . . . . . . . 2-26
2-8 VICKERS PROPORTIONAL CONTROL VALVE ASSEMBLY (Prior to October 1994). . . . . . . . 2-34
2-9 VICKERS PROPORTIONAL CONTROL VALVE ASSEMBLY (Standard Controls)
(October 1994 to Present) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-38
2-10 VICKERS PROPORTIONAL CONTROL VALVE ASSEMBLY (Hydraulic Controls)
(October 1994 to Present) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-42
2-11 CONTROL VALVE ASSEMBLY - BANG-BANG WITH DUMP SECTION . . . . . . . . . . . . . . . . . . 2-46
2-12 CONTROL VALVE ASSEMBLY - BANG-BANG WITH DUMP SECTION . . . . . . . . . . . . . . . . . . 2-50
2-13 CONTROL VALVE ASSEMBLY - BANG-BANG WITH INLET RELIEF . . . . . . . . . . . . . . . . . . . . 2-54
2-14 CONTROL VALVE ASSEMBLY - 1 SECTION BANG-BANG (4WS). . . . . . . . . . . . . . . . . . . . . . 2-58
2-15 STEERING VALVE ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-60
2-16 ACCESSORY VALVE ASSEMBLY (Miller) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-62
2-17 ACCESSORY VALVE ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-64
2-18 SWING, DRIVE, BEARING & LOCK INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-66
2-19 SWING MOTOR ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-70
2-20 SWING BRAKE ASSEMBLY (Prior to April 1992). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-72
2-21 SWING BRAKE ASSEMBLY (April 1992 to Present) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-76
2-22 SWING HUB ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-80
2-23 ROTARY COUPLING & COLLECTOR RING ASSEMBLY INSTALLATION . . . . . . . . . . . . . . . . 2-82
2-24 DEUTZ ENGINE INSTALLATION WITHOUT NOISE REDUCTION
(Built Prior to December 1992) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-86
2-25 DEUTZ ENGINE INSTALLATION WITH NOISE REDUCTION
(Built December 1992 to Present) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-96
2-26 ADECO THROTTLE COMPONENTS INSTALLATION - Deutz Engine Machines . . . . . . . . . . . 2-104
2-27 GENERATOR INSTALLATION - Deutz Engine Machines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-108
2-28 FORD LSG-423 ENGINE INSTALLATIONS (Prior to February 1995) . . . . . . . . . . . . . . . . . . . . 2-112
2-29 ADECO THROTTLE INSTALLATION - Ford Engine Machines Built Prior to Mid 1987 . . . . . . . 2-124
2-30 PRECISION GOVERNOR INSTALLATION - Ford Engine Machines
Built Mid 1987 to February 1995 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-128
2-31 GENERATOR INSTALLATION - Ford Engine Machines Built Prior to February 1995 . . . . . . . . 2-130
2-32 FORD LSG-423 ENGINE INSTALLATIONS (February 1995 to Present) . . . . . . . . . . . . . . . . . . 2-134
2-33 110VOLT GENERATOR INSTALLATIONS - Ford Engine Machines
Built February 1995 to Present . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-142
2-34 DUAL FUEL INSTALLATION - Ford Engine Machines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-146
2-35 PUMP COUPLING INSTALLATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-150
2-36 WISCONSIN ENGINE INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-154
2-37 MAIN PUMP ASSEMBLY (Machines With Racine Proportional Valves). . . . . . . . . . . . . . . . . . . 2-160
2-38 MAIN PUMP ASSEMBLY (Machines With Vickers Proportional Valves
Built Prior to Mid 1987 - Has One Outlet in End Cover). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-164
2-39 MAIN PUMP ASSEMBLY (Machines With Vickers Proportional Valves
Built Mid 1987 to Present - Has One Outlet in End Cover) . . . . . . . . . . . . . . . . . . . . . . . . . . 2-166