Upright SL20 Series User Manual

Page 4-6
Troubleshooting - 4.6 - Hydraulic Troubleshooting / Adjustment Procedures
SL20
4.6 H
YDRAULIC
T
ROUBLESHOOTING
Table 4-4: Troubleshooting Guide: Hydraulic Schematic
Component
Function Lift Platform Lower Platform Steer Right Steer Left Drive Forward Drive Reverse Creep Depression Mechanism Extend Depression Mechanism Retract Brakes
Check Valve
XX
Steering Cylinder
X X
Lift Cylinder
X
Depression Mechanism
Cylinder
XX
Break Cylinder
X
Priority Flow Divider
XXXXXXXXX
Suction Strainer
XXXXXXXX
Return Filter
XXXXXXXX
Drive Motors (2)
XX
Pump
XXXXXXXX
Main Relief Valve
X XXXXXX
Steering Relief
X X
Tank
Steering Right/Left Valve
X X
Lift Valve
X
Down/Emergency Lowering
Valve
X
Depression mechanism
Retract Valve
X
Depression Mechanism
Extend Valve
X
Forward/Reverse Valve
XX
Counterbalance Valve
XXX X

Upright SL20 Series Specifications

General

Brand	Upright
Model	SL20 Series
Category	Lifting Systems
Language	English