Upright AB38 Service & Parts Manual

Contents
Section
IIIAB38 Work Platform
i
1-1 AB38 Work Platform ......................................1-1
2-1 Forklifting & Lifting The AB38 ....................2-1
2-2 Manual Brake Release ...................................2-2
3-1 Controls & Indicators ...................................3-5
3-2 Emergency Lowering .....................................3-9
3-3 Manual Rotation ............................................3-9
3-4 Manual Telescopic Retraction .....................3-10
4-1 Lubrication Points .........................................4-5
4-2 Oil & Filter Replacement ...............................4-6
4-3 Main Manifold Block ....................................4-6
4-4 Setting Main Relief Pressure ........................4-6
4-5 Setting Slew Cross-Line Relief
Pressure ...........................................................4-7
4-6 Supporting The Elevating Assembly .........4-7
4-7 Tilt Sensor .......................................................4-9
4-8 Boom Rest Limit Switch ................................4-9
4-9 Manifold Block Components .......................4-11
4-10 Hydraulic Pump ..............................................4-12
4-11 Traction Motor Maintenance ......................4-13
4-12 Èlectrical Test Circuit .....................................4-14
4-13 Electric Motor Assembly ..............................4-16
4-14 Drive Reduction Gearbox ..............................4-17
4-15 Lower Lift Cylinder ........................................4-19
4-16 Hydraulic Cylinder Component
Breakdown ......................................................4-20
4-17 Upper Lift Cylinder ........................................4-21
4-18 Telescopic Cylinder .......................................4-22
4-19 Steering Cylinder ...........................................4-24
4-20 Master Levelling Cylinder ............................4-24
4-21 Slave Levelling Cylinder ...............................4-26
4-22 Adjustment Of Overcentre Valves ..............4-27
5-1 MOS90 Calibrator ..........................................5-9
6-1 Electrical Schematic .......................................6-9
6-2 Hydraulic Schematic & Manifolds ..............6-15
Figure
No.
Page
No.
List of Illustrations List of Tables
Table
No.
Page
No.
Title
1-1 AB38 Work Platform Specifications ............1-3
3-1 Controls & Indicators ................................... 3-4
4-1 Preventative Maintenance ........................... 4-2
4-2 Temperature Correction For
Electrolyte Readings ..................................... 4-4
4-3 Bolt Torques ...................................................4-18
5-1 Troubleshooting Guide .................................5-2
5-2 Fault Codes......................................................5-4
6-1 Electrical Schematic Legend .........................6-3
6-2 Hydraulic Schematic Legend ....................... 6-13
Title

Upright AB38 Specifications

General

Brand	Upright
Model	AB38
Category	Lifting Systems
Language	English