JLG 40HA ANSI Parts Manual - Manual (Page 6)

ii 3120673
TABLE OF CONTENTS
FIGURE NO. TITLE PAGE NO.
2-25 PUMP ASSEMBLY - BARNES (USED ON HYDRAULIC CONTROLS MACHINES
WITH DEUTZ ENGINES BUILT APRIL 1993 TO PRESENT AND FORD ENGINES
BUILT FEBRUARY 1993 TO PRESENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-92
2-26
TANKS INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-94
2-27 ROTARY COUPLING AND COLLECTOR ASSEMBLY AND INSTALLATION . . . . . . . . . 2-98
2-28 GROUND CONTROL BOX INSTALLATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-102
2-29 ELECTRICAL COMPONENTS INSTALLATION (TURNTABLE MOUNTED) . . . . . . . . . . 2-108
2-30 HOODS INSTALLATIONS (WITH 2 DOORS AT GROUND CONTROL BUILT PRIOR
TO AUGUST 1990) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-110
2-31
HOODS INSTALLATIONS (WITH SINGLE DOOR AT GROUND CONTROL)
(AUGUST 1990 TO PRESENT WITHOUT NOISE REDUCTION OPTION). . . . . . . 2-114
2-32
HOODS INSTALLATIONS (WITH NOISE REDUCTION OPTION). . . . . . . . . . . . . . . . . . 2-118
SECTION 3 - BOOM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
3-1 BOOMS AND LIMIT SWITCHES INSTALLATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
3-2 MAIN BOOM ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
3-3 BOOM WIPERS INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
SECTION 4 - PLATFORM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
4-1 STANDARD PLATFORM AND FOOTSWITCH INSTALLATION . . . . . . . . . . . . . . . . . . . 4-2
4-2 LOW MOUNT PLATFORMS AND FOOTSWITCH INSTALLATIONS . . . . . . . . . . . . . . . 4-8
4-3 ROTATOR MOTOR ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12
4-4 CONSOLE BOX ASSEMBLY (STANDARD BANG-BANG CONTROLS) . . . . . . . . . . . . 4-14
4-5 CONSOLE BOX ASSEMBLY (PROPORTIONAL CONTROLS - PRIOR TO
FEBRUARY 1993) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18
4-6
CONSOLE BOX ASSEMBLY (PROPORTIONAL CONTROLS - FEBRUARY 1993
TO PRESENT). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22
4-7
CONTROL BOX ASSEMBLY (HYDRAULIC CONTROLS) . . . . . . . . . . . . . . . . . . . . . . . . 4-26
4-8 CONTROL VALVE ASSEMBLY - GRESEN (6-STACK) (HYDRAULIC CONTROLS
ONLY) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-30
4-9
OPTIONAL COMMON PLATFORM MOUNTED COMPONENTS . . . . . . . . . . . . . . . . . . 4-34
SECTION 5 - CYLINDER. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
5-1 AXLE LOCKOUT CYLINDER ASSEMBLIES - 4WD/4WS (STANDARD PARTS)
(USE WITH OPTIONAL OSCILLATING AXLE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5-2
PLATFORM LEVEL CYLINDER ASSEMBLY (MACHINES BUILT PRIOR TO
JANUARY 1990) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
5-3
PLATFORM LEVEL CYLINDER ASSEMBLY (MACHINES BUILT OCTOBER
1992 TO PRESENT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
5-4
LEVEL (UPRIGHT) CYLINDER ASSEMBLY (STANDARD PARTS) . . . . . . . . . . . . . . . . . 5-10
5-5 LIFT CYLINDER ASSEMBLY - MAIN BOOM (STANDARD PARTS) . . . . . . . . . . . . . . . . 5-14
5-6 LIFT CYLINDER ASSEMBLY - TOWER BOOM (STANDARD PARTS) . . . . . . . . . . . . . . 5-18
5-7 STEER CYLINDER ASSEMBLIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-22
5-8 TELESCOPE CYLINDER ASSEMBLY - MAIN BOOM (STANDARD PARTS) . . . . . . . . . 5-24
5-9 CLYINDER BELLOWS INSTALLATION (OPTIONAL) . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-28
SECTION 6 - HYDRAULIC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
6-1 HYDRAULIC DIAGRAM - AXLE LOCKOUT (2WD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
6-2 HYDRAULIC DIAGRAM - AXLE LOCKOUT (4WD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
6-3 HYDRAULIC DIAGRAM - DRIVE (2WD). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6