Upright SL30SL Service & Parts Manual

ii SL26/30SL Work Platform
T
ABLE OF
C
ONTENTS
3.7 Setting Hydraulic Pressures........ 3-6
MainReliefValve.................. 3-6
Counterbalance Valves ............. 3-6
Fore/Aft Tilt Cylinder Relief Valve ..... 3-7
SteeringReliefValve............... 3-7
DriveCrossReliefValve............ 3-7
Brake Pressure Reducing Valve ...... 3-8
3.8SwitchAdjustments .............. 3-8
Proportional Control Adjustment ...... 3-8
AxleCenterSwitch................. 3-9
CushionDownLimitSwitch.......... 3-9
LiftCutoutLimitSwitch ............ 3-10
DownLimitSwitch................ 3-10
TiltSensor...................... 3-10
3.9HydraulicManifold............... 3-11
Removal ....................... 3-11
Disassembly .................... 3-11
Cleaning and Inspection ........... 3-11
Assembly ...................... 3-11
Installation...................... 3-11
3.10HydraulicPump................ 3-13
Removal ....................... 3-13
Installation...................... 3-13
3.11 Hydraulic Brakes, Drive Motors & Hubs
3-13
RearAxle .......................3-13
Removal..................... 3-13
Installation.................... 3-13
FrontAxle .......................3-14
Removal..................... 3-14
Installation.................... 3-14
3.12AxleCylinder.................. 3-15
Removal ........................3-15
Installation.......................3-15
3.13SteeringCylinder............... 3-15
Removal ........................3-15
Disassembly .....................3-15
Cleaning and Inspection ............3-15
AssemblyandInstallation...........3-15
Adjustment ......................3-16
3.14LiftCylinder................... 3-16
Removal ........................3-16
Disassembly .....................3-17
Cleaning and Inspection ............3-17
Reassembly .....................3-17
Installation.......................3-17
3.15TorqueSpecifications........... 3-18
Fasteners .......................3-18
Hydraulic Components .............3-18
S ECTION 4
Troubleshooting .......................................................................4-1
Introduction ...................... 4-1
General Procedure ................ 4-1
Upright Product Support ............ 4-1
4.1ElectricalTruthTable,Diesel....... 4-2
4.2HydraulicTruthTable............. 4-4
S ECTION 5
Schematics ...........................................................................5-1
Introduction ...................... 5-1
5.1ElectricalSchematic,SL26/30SL.... 5-2
5.2HydraulicSchematic,SL26/30SL.... 5-4
S ECTION 6
IllustratedPartsBreakdown.............................................................6-1

Upright SL30SL Specifications

General

Brand	Upright
Model	SL30SL
Category	Scissor Lifts
Language	English