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Upright X20W Service Manual
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Hydrauli
cs
Section 4 - Sche
matics
Page 4-12
114101-000 X26 Ultra Narrow - Service Manual
Figure 4-11:
Depression Mechanism Cylinder
Figure 4-12
:
Series/Parallel Drive Manifold
Depression Mechanism
Retract Solenoid and
V
alv
e
SOL3B, V3B
3-W
ay 2-P
osition
V
alve
SOL5, V5
(2)
Flow Divider/Combiner
D
VR2
99
101
Table of Contents
Safety Rules
5
Contents
6
General Description
7
Introduction
7
Controls and Indicators
8
Pre-Operation Safety Inspection
8
System Function Inspection
9
Platform Extension
10
Travel with the Platform Lowered
10
Steering
10
Pre-Operation Safety Inspection
10
Elevating the Platform
11
Travel with Work Platform Elevated
11
Lowring the Platform
11
Emergency Lowering
11
Guardrails
12
Lowering Procedure
12
Raising Procedure
12
Parking Brake Release
13
Release the Parking Brake
13
Engage the Parking Brake
13
After Use each Day
13
Transporting the Machine
14
Moving by Forklift
14
Driving or Winching Onto a Truck or Trailer
15
Maintenance
16
Blocking the Elevaring Assembly
16
Scissor Brace Installation
16
Scissor Brace Storage
16
Level Sensor
17
Testing the Level Sensor
17
Hydraulic Fluid
18
Battery Maintenance
18
Battery Charging
19
Daily Inspection and Maintenance Schedule
20
Daily Preventative Maintenance Check List
21
Labels
22
Safety Labels Locations
23
Specifications
24
General Information
25
Battery Maintenance
25
Hazard Indicators
26
Workshop Procedures
26
Torque Specifications
27
Date Code Identification on Hoses
29
Special Tools
29
Upright Connectors
30
Mail Connector - Plug
30
Female Connector - Receptacle
30
Releasing Locking Fingers
31
Crimping
31
Removing Contact from Heavy Duty Plug
31
Hydraulic Manifold Repair
32
Cleaning and Inspection
32
Cylinder Repair
33
Electric Motors Troubleshooting
34
Disassembly
34
Inspection
35
Reassembly
35
Battery Check
37
Battery Cell Equalization
37
Specific Gravity
37
Load Testing Battery Pack
37
Battery Charging, Upright Electric and Bienergy Machines
38
Battery Charger Troubleshooting
39
Floor Loading
40
Localized Pressure
40
Measure Contact Area
40
Occupied Pressure
40
Hydraulic Fluid Level
41
Recommended Hydraulic Fluid
41
Long Term Storage
42
Service and Repair
43
List of Figures
45
Component Locations
46
Preventative Maintenance
48
Preventative Maintenance Check List
49
Maintenance Table Key
49
Blocking the Elevating Assembly
50
Lubrication
50
Platform Controls
51
Access to Switches
51
Control Handle
51
Chassis Controls
52
Monitor Controlled Circuit Board
52
Level Sensor Adjustment
53
Height Limit Switch
54
Test the Mercury Switch
54
Height Limit Switch Removal and Installation
55
Height Limit Switch Adjustment
55
Proximity Switch
56
Test High Speed Circuit
56
Proximity Switch Adjustment
57
Batteries
58
Battery Replacement
59
Hydraulic Fluid Reservoir and Filters
60
Fluid Level
60
Reservoir Breather Cap
60
Filter Replacement
60
Fluid Replacement
61
Fluid Outlet Screen
61
Hydraulic Pump and Motor
62
Hydraulic Manifold
63
Hydraulic Manifold Exploded View
64
Setting Hydraulic Manifold Pressures
65
Main Relief Valve
65
Steering Relief Valve
66
Lift Relief Valve
66
Counterbalance Valves
66
Series Parallel Manifold
67
Emergency Lowering Valve
68
Steering Cylinder
69
Depression Mechanism Cylinder
70
Lift Cylinder
72
Drive Motors and Hubs
74
Brake Service
74
Brake Adjustment
75
Rear Wheels, Hubs and Bearings
76
Troubleshooting
77
Troubleshooting Procedures
79
Adjustment Procedures
79
Motor Controller Dip Switch Settings
80
Default Dip Switch Settings
80
Adjusted Dip Switch Settings
80
I/O Board Dip Switch Settings
81
LED Fault Codes
82
Leds at I/O Board
83
I/O Board Inputs and Outputs
84
Connector J1
84
Connector J2/J3
85
Connector J4/J5
86
Electrical Troubleshooting Table
87
Hydraulic Troubleshooting Table
88
Schematics
89
Legend: 066769-020 Electric Schematic
90
Electric Components Locations Diagram
90
Electric Schematic
91
Wire Routing
92
Chassis Controls, Components
93
Platform Controls Components
94
Platform Controls Wiring
95
Legend: 066781-020 Hydraulic Schematic
96
Hydraulic Components Location
96
Hydraulic Schematic
97
Hose Routing
98
Hydraulic Manifold Components
99
Depression Mechanism Cylinder Diagram
100
Series/Parallel Drive Manifold
100
Other manuals for Upright X20W
Operator's Manual
24 pages
Service & Parts Manual
166 pages
5
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Upright X20W Specifications
General
Brand
Upright
Model
X20W
Category
Lifting Systems
Language
English
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