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MX19
Upright MX19 Service & Parts Manual
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Page
1
-
2
Introduct
i
on
1.2
-
G
en
e
ral
De
scr
ip
tio
n
MX15/19
C
HA
SSI
S
The
chassis
is
a
struct
ural
f
rame
that
suppor
ts
all
the
components
of
the
MX15/19
work
platf
or
m.
The
pl
atf
or
m
is
r
aised
and
lo
wered
using
a
scis
sors
mechanism.
Lift
is
a
chie
v
ed
usin
g
a
si
ngle
stage
cylinder
.
P
UR
PO
SE
OF
E
QUIPMEN
T
The
obj
ectiv
e
of
the
work
platf
orm
is
to
pr
ovi
de
a
quic
kly
dep
loy
able
,
sel-
pr
opell
ed,
v
ariabl
e
height
work
platf
orm
to
ele
vat
e
person
nel
and
materials
to
ov
erhead
work
ar
eas.
060569-004
13
15
Table of Contents
Default Chapter
5
Table of Contents
5
Introduction
13
Purpose
13
Scope
13
General Description
13
Platform
13
Platform Controller
13
Elevating Assembly
13
Figure 1-1: MX15/19 Work Platform
13
Chassis
14
Purpose of Equipment
14
Operation and Specifications
16
Introduction
16
Pre-Operation Safety Inspection
16
Figure 2-1: Chassis Controls
16
Operation and Specifications
17
Figure 2-2: Emergency Lowering Valve Knob
17
Figure 2-3: Platform Controls
17
Operation
18
Platform Extension
18
Travel with Platform Lowered
18
Steering
18
Elevating Platform
18
Figure 2-4: Platform Extension
18
Travel with Platform Elevated
19
Lowering Platform
19
Emergency Lowering
19
After Use each Day
19
Parking Brake Release
20
2.4 - Transporting the Work Platform
20
Figure 2-5: Parking Brake Release
20
Figure 2-6: Transporting the Work Platform
20
By Truck
21
Maintenance
21
Blocking the Elevating Assembly
21
Figure 2-7: Scissor Brace
21
Battery Maintenance
22
Figure 2-8: Battery Charger
22
Figure 2-9: Label Installation
24
Preventative Maintenance
26
Preventative Maintenance Key
27
Preventative Maintenance Report
27
Table 2-1: Preventative Maintenance Checklist
27
Operation and Specifications
27
Specifications
28
Maintenance
29
Introduction
29
Wire Color
29
Date Code Identification on Hoses
29
Special Tools
30
Upright Connectors
30
Male Connector (Plug)
30
Figure 3-1: Upright Connector Kit
30
Figure 3-2: Plugs and Receptacles, Upright Connectors
30
Female Connector (Receptacle)
31
Releasing Locking Fingers
31
Crimping
31
Removing Contact from Heavy Duty Plug
31
Figure 3-3: Locking Finger, Upright Connector
31
Figure 3-4: Heavy Duty Upright Connector
31
3.5 - Supporting the Elevating Assembly
32
Installing the Brace
32
Removing the Brace
32
Figure 3-5: Supporting the Elevating Assembly
32
Battery Maintenance
33
Battery Inspection and Cleaning
33
Battery Charging
33
Battery Cell Equalization
34
Figure 3-6: Batteries and Charger
34
3.7 - Switch Adjustments
35
Level Sensor
35
Down Limit Switch
35
Figure 3-7: Level Sensor
35
Figure 3-8: down Limit Switch
35
Up Limit Switch
36
Control Handle
36
Figure 3-9: up Limit Switch
36
Figure 3-10: Control Handle
36
3.8 - Motor Controller and I/O Board Dip Switch Settings
37
Controller
37
I/O Board
37
Figure 3-11: Controller
37
Figure 3-12: I/O Board
37
Hydraulic Oil Tank and Filter
38
Fluid Level
38
Oil and Filter Replacement
38
Figure 3-13: Hydraulic Oil Tank
38
Figure 3-14: Hydraulic Oil Filter from Left Side
38
3.10 - Hydraulic Pump
39
Removal
39
Installation
39
Figure 3-15: Hydraulic Pump
39
Figure 3-16: Drive Motor Installation
39
Lift Relief Valve
40
Steering Relief Valve
40
Counterbalance Valves
41
Figure 3-17: Hydraulic Manifold Test Ports, from Right Side
41
Hydraulic Manifold
42
Removal
42
Disassembly
42
Cleaning and Inspection
42
Assembly
42
Installation
42
Figure 3-18: Hydraulic Manifold
43
Brake Cylinder
44
Removal
44
Figure 3-19: Brake Cylinder Installation
44
Figure 3-20: Brake Cylinder Assembly
45
Disassembly
46
Cleaning and Inspection
46
Figure 3-21: Steering Cylinder Installation
46
Assembly
47
Installation
47
Figure 3-22: Steering Cylinder Assembly
47
Removal
48
Disassembly
48
Cleaning and Inspection
48
Assembly
48
Installation
48
Depression Mechanism Cylinder
48
Figure 3-23: Depression Mechanism Cylinder
48
Assembly
50
Cleaning and Inspection
50
Disassembly
50
Installation
50
Lift Cylinder
50
Removal
50
Figure 3-24: Lift Cylinder
51
Disassembly
52
Reassembly
52
Electric Motor
52
Troubleshooting
52
Inspection
52
Figure 3-25: Electric Motor
53
Maintenance
54
3.19 - Torque Specifications
54
Table 3-1: Torque Specifications for Hydraulic Components
54
Table 3-2: Torque Specifications for SAE Fasteners
54
Table 3-3: Torque Specifications for Metric Fasteners, U.S. Customary Units
55
Table 3-4: Torque Specifications for Metric Fasteners, si Units
55
Introduction
57
General Procedure
57
Troubleshooting
57
Special Tools
58
Adjustment Procedures
58
Checking Pump Pressures
58
Figure 4-1: Hydraulic Test Port
58
4.3 - Upright Motor Controller Diagnostics
59
Figure 4-2: Motor Controller
59
Table 4-1: LED Fault Codes
59
Measured Voltage at I/O Board
60
Table 4-2: I/O Board Troubleshooting Table
60
Electric
62
Troubleshooting
62
Table 4-3: Electrical Troubleshooting Table
62
Hydraulic
63
Troubleshooting
63
Table 4-4: Hydraulic Troubleshooting Table
63
Schematics
65
Introduction
65
Electrical Schematic
66
Figure 5-1: Electrical Schematic
67
Hydraulic Schematic
68
Figure 5-2: Hydraulic Schematic
69
Figure 5-3: Valve Diagram
70
Figure 5-4: Plug Diagram
71
Illustrated Parts Breakdown
73
Introduction
73
Contents
73
Other manuals for Upright MX19
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90 pages
Service And Parts Manual
86 pages
Operator's Manual
64 pages
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Upright MX19 Specifications
General
Brand
Upright
Model
MX19
Category
Lifting Systems
Language
English
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