II
SB80 Work Platform - European
T
ABLE
OF
C
ONTENTS
S
E C T I O N
3
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
3.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Special Tools . . . . . . . . . . . . . . . . . . . . . . . . 3-1
3.2 Preventative Maintenance . . . . . . . . . . . . . . 3-2
Preventative Maintenance Table Key . . . . . . 3-3
Interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Preventative Maintenance Report . . . . . . . . 3-3
3.3 Supporting Elevating Assembly . . . . . . . . . 3-4
Installing Support . . . . . . . . . . . . . . . . . . . . . 3-4
Removing Support . . . . . . . . . . . . . . . . . . . . 3-4
3.4 Battery Maintenance . . . . . . . . . . . . . . . . . . 3-5
Battery Inspection and Cleaning . . . . . . . . . . 3-5
Battery Charging . . . . . . . . . . . . . . . . . . . . . . 3-5
3.5 Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Grease fittings . . . . . . . . . . . . . . . . . . . . . . . 3-6
Lubricating Turret Gears . . . . . . . . . . . . . . . . 3-6
Hydraulic Oil and Filter . . . . . . . . . . . . . . . . . 3-6
Fluid Level . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Oil and Filter Replacement . . . . . . . . . . . . . . 3-6
3.6 Proportional Controllers . . . . . . . . . . . . . . . 3-7
Joystick Handle . . . . . . . . . . . . . . . . . . . . . . 3-7
3.7 SuperFlex Controller . . . . . . . . . . . . . . . . . . 3-8
SuperFlex Optimizer . . . . . . . . . . . . . . . . . . . 3-8
3.8 Platform Down Limit Switch . . . . . . . . . . . . 3-9
3.9 Setting Hydraulic Pressures . . . . . . . . . . . . 3-9
Main Relief Valve . . . . . . . . . . . . . . . . . . . . . 3-9
Other Relief Valves . . . . . . . . . . . . . . . . . . . . 3-9
Counterbalance Relief Valves . . . . . . . . . . . 3-9
3.10 Tilt Sensor . . . . . . . . . . . . . . . . . . . . . . . . 3-11
3.11 Drive Motors . . . . . . . . . . . . . . . . . . . . . . . 3-12
Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Installation . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Drive Motor Run-In . . . . . . . . . . . . . . . . . . . 3-12
3.12 Hydraulic Brakes. . . . . . . . . . . . . . . . . . . 3-12
Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
3.13 Brake Seal Replacement . . . . . . . . . . . . 3-13
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
3.14 Torque Hubs . . . . . . . . . . . . . . . . . . . . . . 3-14
Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14
Installation . . . . . . . . . . . . . . . . . . . . . . . . . 3-14
Disassembly of Torque Hub . . . . . . . . . . . . 3-14
Assembly of Torque Hub . . . . . . . . . . . . . . . 3-15
Carrier assemblies . . . . . . . . . . . . . . . . . . . 3-16
Sealing compound . . . . . . . . . . . . . . . . . . . . 3-16
3.15 Rotary Manifold. . . . . . . . . . . . . . . . . . . . 3-18
Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18
Disassembly . . . . . . . . . . . . . . . . . . . . . . . . 3-18
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18
3.16 Removing Extend Cylinder . . . . . . . . . . 3-19
3.17 Installing Extend Cylinder . . . . . . . . . . . 3-20
3.18 Cylinder Repair . . . . . . . . . . . . . . . . . . . . 3-21
Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21
Disassembly . . . . . . . . . . . . . . . . . . . . . . . . 3-21
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21
3.19 Rotary Actuator. . . . . . . . . . . . . . . . . . . . 3-26
Theory of Operation . . . . . . . . . . . . . . . . . . 3-26
Disassembly and Inspection . . . . . . . . . . . . 3-26
Assembly and Testing . . . . . . . . . . . . . . . . . 3-26
Testing and Storage . . . . . . . . . . . . . . . . . . 3-27
Hydraulic Line Attachment . . . . . . . . . . . . . 3-27
3.20 Torque Specifications . . . . . . . . . . . . . . 3-28
Fasteners . . . . . . . . . . . . . . . . . . . . . . . . . . 3-28
Hydraulic Components . . . . . . . . . . . . . . . . 3-28
Summary of Contents for SB-80
Page 1: ...European Publication Number 102321 020...
Page 8: ...VI SB80 Work Platform European LIST OF TABLES...
Page 10: ...ii SB80 Work Platform European FORWARD NOTES...
Page 54: ...4 2 SB80 Work Platform European TROUBLESHOOTING Section 4 1 Figure 4 1 Superflex...
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