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AB38
Upright AB38 Service & Parts Manual
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Section
6.2
Schematics
6-1
1
AB38 W
ork Platform
Figure 6-3, 4 : Hydraulic Schematic
MMB
SLEW
RESEVOIR / HYDRAULIC T
ANK
MP
F L1
M
CYL1- BOOM1
V1
1
A
B
V12
CYL2- BOOM2
V1
1
A
B
V12
CYL3- TELE
V1
1
A
B
V13
V10
(RV)
MOT1
T
P
A
6
B6
A
2
B2
A
3
B3
A
4
B4
A
5
B5
A
1
B1
BRAKE
CYL4 - STEER
A
B
BRK
BRK
CYL6 - SLA
VE
A
V15
B
FC
FE
CYL5 - MASTER
A
V14
B
FC
FE
V9
V8
V7
V6
V5
V4
V3
V2
V1
HP
P
T1
STEER
BOOM2
BOOM1
TELE
CLRV
CLRV
V10 (RV)
V8
CLRV
V7
V4
CLRV
V1
V2
V9
V5
V6
HP
TP
A1
B1
A2
B2
A3
B3
A4
B4
A5
B5
A6
B6
T1
BRAKE
V3
P
MMB -
Main Manifold Block
CV
76
78
Table of Contents
Default Chapter
7
Table of Contents
7
Introduction & Specifications
11
Introduction
11
Purpose
11
Scope
11
General Information
11
Platform
11
Control Box
11
Elevating Assembly
11
Rotation Gear
11
Drive & Steer Systems
12
Power System
12
Control System
12
Chassis
12
AB38 Purpose & Limitations
12
Specifications
13
Notes
14
Machine Preparation
15
Preparation for Use
15
Preparation for Shipment
15
Forklifting the Work Platform
15
Lifting the Work Platform
15
Transport by Truck
15
Forklifting & Lifting the AB38
15
Manual Brake Release
16
Storage
16
Notes
17
Operation
19
Introduction
19
General Functioning
19
Driving
19
Steering
19
Operating the Booms
19
Design Features
20
Safety Rules & Precautions
21
Controls & Indicators
22
Controls & Indicators
23
Pre-Operation Inspection
24
System Function Inspection
24
Elevating & Lowering the AB38 Work Platform
25
Lowered
25
Elevated
26
Emergency Lowering
26
Emergency Situations & Emergency Override
26
Levelling
26
After Use each Day
27
Control from Ground Level
27
Manual Rotation
27
Manual Telescopic Retraction
27
Emergency Lowering
27
Notes
29
Maintenance
31
Introduction
31
Tools Required
31
Preventative Maintenance
31
Preventative Maintenance Table Key
32
Preventative Maintenance Report
32
Battery Maintenance
33
Battery Inspection & Cleaning
33
Battery Charging
33
Battery Cell Equalization
34
Temperature Correction for Electrolyte Readings
34
Lubrication
35
Grease Fittings
35
Slew Ring
35
Pivot Pins
35
Lubrication Points
35
Setting Hydraulic Pressures
36
Main Relief Valve
36
Setting Main Relief Pressure
36
Slew Cross-Line Relief Valve
37
Maintenance on Elevating Assembly
37
Installation of Elevating Assembly
37
Removal of Elevating Assembly Support
37
Switch Adjustments
38
Tilt Sensor
38
Boom Rest Limit Switch
38
Tilt Sensor
39
Boom Rest Limit Switch
39
Hydraulic Manifold
40
Removal
40
Disassembly
40
Cleaning & Inspection
40
Assembly
40
Installation
40
Manifold Block Components
41
Hydraulic Pump
42
Removal
42
Installation
42
Traction Motor Maintenance
42
Inspecting the Drive Motor
42
Electric Motor
44
Troubleshooting
44
Disassembley
44
Inspection
44
Reassembley
44
Maintenance Intervals & Procedures
45
Electric Motor Assembly
46
Drive Reduction Gearbox
47
Changing the Oil
48
Torque Specifications
48
Lower Lift Cylinder
49
Removal
49
Disassembly
49
Cleaning & Inspection
49
Reassembly/Seal Replacement
50
Installation
50
Hydraulic Cylinder Component Breakdown
50
Upper Lift Cylinder
51
Cleaning & Inspection
51
Disassembly
51
Reassembly/Seal Replacement
51
Removal
51
Installation
52
Telescopic Cylinder
52
Disassembly
52
Removal
52
Cleaning & Inspection
53
Installation
53
Reassembly/Seal Replacement
53
Steering Cylinder
53
Disassembly
53
Removal
53
Cleaning & Inspection
54
Installation
54
Reassembly/Seal Replacement
54
Master Levelling Cylinder
55
Cleaning & Inspection
55
Disassembly
55
Installation
55
Reassembly/Seal Replacement
55
Removal
55
Slave Levelling Cylinder
56
Cleaning & Inspection
56
Disassembly
56
Reassembly/Seal Replacement
56
Removal
56
Bleeding the Master/Slave Levelling Circuit
57
Installation
57
Adjustment of Overcentre Valves
58
Notes
59
Troubleshooting
61
Introduction
61
General Procedure
61
Fault Codes
64
6 0 Schematics
67
Introduction
67
Electrical Schematics
69
Hydraulic Schematics
75
Main Manifold Block
77
Index
79
Final Assembly Ab38
80
Chassis Assembly
80
Booms and Posts Assembly
80
Cage and Cradle Assembly
80
Drive Reduction Gearbox Assembly
92
Traction Motor Assembly
94
Motor/Pump Assembly
96
Rear & Front Wheel Kit
98
Manifold Block Assembly
102
Pressure
102
Lower Lift Cylinder Assembly
104
Upper Lift Cylinder Assembly
106
Telescopic Cylinder Assembly
108
Steering Cylinder Assembly
110
Master/Slave Cylinder Assembly
112
Lower Control Box Assembly
116
Upper Control Box Assembly
118
Hose Assembly
122
Options List
130
Electrical Schematic
133
Other manuals for Upright AB38
Operation And Parts Manual
24 pages
Operator's Manual
20 pages
4
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Upright AB38 Specifications
General
Brand
Upright
Model
AB38
Category
Lifting Systems
Language
English
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