Upright LX31 Service & Parts Manual

Section
i
Contents
LX 31/41 Work Platform I
Switching Fuels
(Dual Fuel Only) ............................................ 3-9
After Use Each Day ........................................ 3-9
3.5 Parking Brake Release ........................................... 3-9
3.6 Fold Down Guardrails ........................................... 3-10
Fold Down Procedure .................................... 3-10
Erection Procedure ......................................... 3-10
4.0 Maintenance
4.0 Introduction .......................................................... 4-1
Special Tools .................................................. 4-1
4.1 Preventative Maintenance ..................................... 4-1
Preventative Maintenance Table Key ........... 4-2
Preventative Maintenance Report ................ 4-2
4.2 Blocking Elevating Assembly.................................. 4-3
Installation ................................................... 4-3
Removal ...................................................... 4-3
4.4 Lubrication ........................................................... 4-4
Grease Fittings ................................................ 4-4
Steering Linkage ............................................. 4-4
4.3 Battery Maintenance ............................................. 4-4
Battery Inspection and Cleaning ..................... 4-4
Torque Hubs .................................................. 4-4
Hydraulic Oil and Filter .................................. 4-5
Fluid Level ...................................................4-5
Oil and Filter Replacement .......................... 4-5
Engine Oil and Filter (Figure 4-4) .................... 4-5
4.5 Setting Hydraulic Pressures ................................... 4-6
Pump Set-Up.................................................. 4-6
Lift Relief Valve .............................................. 4-6
Counterbalance Valves ................................... 4-7
Steering Relief Valves...................................... 4-7
Bidirectional Relief Valves .............................. 4-7
4.6 Switch Adjustments ............................................... 4-8
Proportional Control Adjustment .................... 4-8
Procedure .................................................... 4-8
Platform Down Limit Switches ........................ 4-8
Axle Center Switch ......................................... 4-9
Tilt Sensor ...................................................... 4-9
4.7 Hydraulic Manifold ............................................... 4-10
Removal ......................................................... 4-10
Disassembly.................................................... 4-10
Cleaning and Inspection ................................. 4-10
Assembly ........................................................ 4-10
Installation ...................................................... 4-10
4.8 Hydraulic Pump.................................................... 4-12
Removal ......................................................... 4-12
Installation ...................................................... 4-12
4.9 Hydraulic Brakes, Drive Motors, And Hubs ........... 4-12
Rear Axle ........................................................ 4-12
Removal ...................................................... 4-12
Installation ................................................... 4-13
Seal Replacement, Brake ............................. 4-13
Seal Replacement, Rear Motor ..................... 4-14
Front Axle 4WD ............................................. 4-16
Removal ...................................................... 4-16
Installation .................................................. 4-16
Seal Replacement, Front Motor .................... 4-18
Table of Contents
Section Page
No. No.
Section Page
No. No.
1.0 Introduction & Specifications
1.0 Introduction .......................................................... 1-1
Purpose .......................................................... 1-1
Scope .............................................................1-1
1.1 General Description .............................................. 1-1
Platform ....................................................... 1-1
Controller .................................................... 1-1
Elevating Assembly ....................................... 1-1
Power Module ............................................. 1-1
Control Module ........................................... 1-1
Chassis ......................................................... 1-1
Purpose of Equipment ....................................1-1
Special Limitations .......................................... 1-1
1.2 Specifications ........................................................ 1-2
2.0 Machine Preparation
2.1 Preparation for Use ............................................... 2-1
2.2 Transporting Work Platform .................................. 2-1
By Crane...................................................... 2-1
By Truck ...................................................... 2-1
2.4 Preparation for Shipment ...................................... 2-2
2.5 Storage ................................................................. 2-2
Preservation.................................................... 2-2
Battery............................................................ 2-2
3.0 Operation
3.0 Introduction .......................................................... 3-1
General Functioning ....................................... 3-1
Driving ........................................................... 3-1
With Platform lowered................................. 3-1
With Platform elevated ................................ 3-1
Braking ........................................................ 3-1
Steering ....................................................... 3-1
Raising the Platform ........................................ 3-2
From the Platform Controls .......................... 3-2
From the Chassis Controls ............................ 3-2
Lowering the Platform .................................... 3-2
From the Platform Controls .......................... 3-2
From the Chassis Controls ............................ 3-2
Emergency Lowering .................................... 3-2
Leveling the platform
(Outrigger equipped machines only) ............3-2
Design Features ..............................................3-3
3.1 Safety Rules and Precautions................................. 3-3
3.2 Controls and Indicators ......................................... 3-4
Controller/Platform .................................... 3-4
Chassis ...................................................... 3-4
3.3 Pre-Operation Inspection ...................................... 3-6
System Function Inspection ............................ 3-6
3.4 Operation ............................................................. 3-8
Travel With Platform Lowered .......................3-8
Steering ....................................................... 3-8
Leveling the Platform (Outrigger equipped
machines only)............................................. 3-8
To retract outriggers ..................................... 3-8
Raising and Lowering the Platform .................. 3-8
Travel with Work Platform Elevated ................ 3-9
Emergency Lowering ...................................... 3-9

Upright LX31 Specifications

General

Brand	Upright
Model	LX31
Category	Lifting Systems
Language	English