Home
Skyjack
Boom Lifts
SJ 4620
Skyjack SJ 4620 Service Manual
4
of 1
of 1 rating
130 pages
Give review
Manual
Specs
To Next Page
To Next Page
To Previous Page
To Previous Page
Loading...
SK
YJACK, Page 34
SJIII Conventional Series
143911
A
B
C
D
E
F
G
H
V
Z
Y
X
W
3.24a Electrical Schematic (ANSI/CSA - Equipped with all options)
M146624AE1
AC
Serial Breakdown
Reference Chart
Model
Serial Number
SJ3 3220
60002138 & above
SJ3 3226
27006059 & above
SJ3 46XX
70006694 & above
POTHOLE PROTECTION
LIMIT SWITCHES N.C.H.O.
INVERTER OPTION
5A
07
NCHO
NO
NCHO
2H-59
60
49
ENABLE
02
CONTROL BOX
POWERED PLATFORM OPTION
EXTEND SOLENOID
4H-27
4H-26
ENABLE
SWITCH
26
RETRACT
EXTEND/
SWITCH
RET
27
S11
EXT
9A
S12
09
LINE VOL
TAGE
110 VAC
BC
CHARGER
L1CR
24V CHARGER
BASE
7A
POWER ON LIGHT
LED-2
02
JOYSTICK PCB
08
7A
08
RETRACT SOLENOID
21B
D26
D27
S4
EMERGENCY
STOP
21B
49
7A
07
S8
HORN
SWITCH
08
S7
JOYSTICK
PWM
60
59
02
24
23
RIGHT
12B
S7-2
LEFT
S7-3
07
8C
8C
S7-1
NUETRAL
OUTPUT
7A
GREEN
8C
BLUE/WHITE
05
7A
RED/WHITE
LIMIT SWITCHES N.C.
HIGH SPEED
LIMIT SWITCH N.C.
DRIVE OVERRIDE
SWITCH
UP/DOWN
S2
HORN
H1
LIMIT SWITCH N.C.
END OF STROKE
BATTERY
B4 6V
FUSE
300A
F1
BATTERY
B3 6V
BATTERY
B2 6V
BATTERY
6V
B1
DISCONNECT
MAIN
S1
CONTACTOR
MOTOR
C1
CUTOUT RELA
Y
D13
35
BRAKE SOLENOID
LEFT SOLENOID
4H-24
DO2-6
17A
34
33
RIGHT SOLENOID
31
TRANSFER RELA
Y
30
REVERSE SOLENOID
32
FORWARD SOLENOID
28
29
SOLENOID
PROPORTIONAL
27
RELA
Y
26
25
PROPORTIONAL
SPEED B SOLENOID
22
24
DIFF
. SOLENOID
23
SPEED A SOLENOID
21
20
TIL
T RELA
Y
TIL
T SWITCH
18
17
MOTOR CONTACTOR
0.47uF CAP
ACITOR
14
TWO CYLINDERS
16
BEEPER
15
UP SOLENOID
19
HOURMETER
4H-23
DO2-5
DO2-4
4H-15
DO2-3
4H-16
02
18A
3H-18A-2
RST3
21C
21CCR
17C
02
17
17CR
D17C-1
21A
59
21
18A
D21
D17C
3H-18A-1
2H-18A
19A
02
CAP1
02
02
19A
DO2-2
29
3H-14A
BP
-29
19A
D19A
19A
29
28A
D28A
TT
19
02
28
TS1
D21-1
19
19
LS5
D21A
19
19
13
14E
D14E-1
LS3
D14E
14
D14A
14A
28CR
3H-17A
13
12
DOWN SOLENOID
HOLDING VAL
VE
SINGLE CYLINDER
10
9
11
FLASHING LIGHT
OPTION
BREAKER
8
15A CIRCUIT
7
4
5
PUMP MOTOR
6
2
CHARGER
1
P
ACK
BATTERY
3
2H-13-2
2H-13
2H-13-1
13
DO2-1
00
02
M
DCM1
FL
-29
FLASHER
29
22
13
FL
-22
00
HOLDING VAL
VE
D24
24
BLUE/BLACK
D23
23
D17
D15
15
D16
16
17
BLACK/WHITE
BLUE
WHITE/BLACK
D21B-1
59
18
ORANGE/BLACK
RED/BLACK
D17-1
D21B-2
02
71
LS6
71
LS4
WHITE
CRD3
CRD1
CRD2
10E
14
BLACK
49
13
ORANGE
07
21B
RED
GREEN/BLACK
24V
72
71
18
LS1B
LS1A
17B
17B
10E
07
8C
(IN IDLE POSITION)
IDLE/PL
TF/BASE
KEY SWITCH
S10
7A
STOP
SWITCH
S28
EMERGENCY
5A
GREEN/WHITE
49
TIMER
19A
02
85
F2
50A FUSE
00
02
CB1
03
3A
15A CIRCUIT
BREAKER
CB2
7A
37
36
POWER ON/LSS
LIGHT
LED-1
02
60
RST2
59
59A
02
S7-6
ENABLE
8A
PROTECTION
LOW VOL
T
AGE
POWER ON LED
HORN
INVERTER TIMER
12B
S27
TORQUE
SWITCH
16
12B
8A
15
13
14
A
B
S3
LIFT/
OFF/
DRIVE
SWITCH
14
13
18
59
15
23
16
24
08
09
08
02
00
2.7K OHMS
RST1
08
02
BATTERY CHARGE
BCI
INDICATOR
V
02
FWD/UP
REV/DN
A
B
RATED MACHINES)
(UNAVAILABLE ON EE
76
78
Table of Contents
1 Section 1 Schedule Maintenance Inspections
5
Table of Contents
5
Aerial Platform Definition
6
Purpose of Equipment
6
Use of Equipment
6
Manuals
6
Operator
6
Service Policy and Warranty
6
Optional Accessories
6
Scope of this Manual
7
Operator Safety Reminders
8
Electrocution Hazard
8
Safety Precautions
9
Maintenance and Inspection Schedule
12
Owner's Annual Inspection Record
12
Replacement Parts
12
Maintenance and Service Safety Tips
12
Hydraulic System & Component Maintenance and Repair
13
Maintenance Hints
13
Service and Maintenance
14
About this Section
14
Service Bulletins
14
Maintenance and Inspection
14
Maintenance Instructions
14
Scheduled Maintenance
14
Owner's Annual Inspection Record
15
Maintenance and Inspection Checklist
16
Schedule Maintenance Inspections
16
Scheduled Maintenance Inspections
17
Function Tests
24
Section 2 Maintenance Tables and Diagrams
32
Table of Contents
32
Tables
32
Section 3 System Component Idenification and Schematics
47
Electrical Symbol Chart
48
Hydraulic Symbol Chart
49
Wire Number and Color Code
50
Hydraulic Manifold and Port Identifications
51
Electrical Components Parts List
54
Platform Control Console Diagram (with Toggle Switch)
57
Platform Control Console Diagram (with Rotary Switch)
58
Platform Control Console with Toggle Switch - Powered Extension Platform Modification Diagram
59
Platform Control Console with Rotary Switch - Powered Extension Platform Modification Diagram
60
Power Extension Platform Control Console and Harness
61
Base Control Console Diagram
62
Scissor Arm Control Cable
63
Hydraulic Schematic (Models 322X)
64
Hydraulic Schematic (Models 46Xx)
65
Main Manifold Harness and Holding Valve Harness (ANSI/CSA & EE Rated)
66
Main Manifold Harness and Holding Valve Harness (CE)
67
Electrical Panel Diagram (ANSI/CSA)
68
Electrical Panel Diagram (CE)
69
Electrical Panel Diagram (ANSI/CSA EE Rated)
70
Harnesses Diagram
71
Limit Switch Assemblies Diagram
72
Horn/Tilt Switch/Flashing Light Diagram
73
Control Module and Beeper Diagram (CE)
74
Electrical Schematic (ANSI/CSA - Equipped with no Options)
75
Electrical Schematic (ANSI/CSA - Equipped with no Options)
76
Electrical Schematic (ANSI/CSA - Equipped with All Options)
77
Electrical Schematic (ANSI/CSA - Equipped with All Options)
78
Electrical Schematic (Models 322X CE - Equipped with All Options)
79
Electrical Schematic (Models 46Xx CE - Equipped with All Options)
81
Electrical Schematic (Models 46Xx CE - Equipped with All Options)
82
Electrical Schematic (ANSI/CSA EE Rated - Equipped with no Options)
83
Electrical Schematic (ANSI/CSA EE Rated - Equipped with no Options)
84
Electrical Schematic (ANSI/CSA EE Rated - Equipped with All Options)
85
Electrical Schematic (ANSI/CSA EE Rated - Equipped with All Options)
86
Section 4 Troubleshooting Information
87
Introduction
89
All Controls Except for down Function Inoperative
90
All Controls Inoperative
90
Electrical System
90
All Controls Inoperative from Base Control Console
91
All Controls Inoperative from Platform Control Console
91
No down or Reverse Only Function from Platform Controls
92
No Drive or up Function from Platform or Base Controls (CE Only)
92
No up Function from Platform or Base Control Console
92
No up or Forward Only Function from Platform Control Console
92
10 No down Function from Platform or Base Control Console (CE Only)
93
No down Function from Platform or Base Control Console (ANSI/CSA Only)
93
11 No up Function from Base Control Console
94
13 Steer Only Inoperative
94
14 Drive Only Inoperative
94
15 No Drive or Steer When Platform Fully Lowered
94
16 No Drive or Steer When Platform Elevated
95
17 Elevated Drive Speed Does Not Activate
95
18 Work Platform Drives in Slow Speed Only
95
19 Forward Drive Function Inoperative
96
20 Reverse Drive Function Inoperative
96
21 Brake will Not Release
96
22 High/Low Torque Inoperative
96
23 Right Steer Inoperative
97
25 Power Extension Platform will Not Extend or Retract
98
26 Power Extension Platform will Not Extend
98
28 Two or more Functions at One Time
98
All Function Inoperative
99
Hydraulic System
99
Platform Does Not Lift
99
Platform Drifts down
99
Platform Lifts Slowly
99
Platform will Not Lower
99
Brake(S) will Not Release
100
Brake(S) will Not Release (Additional for Machines with Integral Brakes)
100
Platform Drives Slow
100
Platform will Not Drive in Forward or Reverse
100
10 Aerial Platform will Not Hold on a Grade (Machines with Integrals Brakes)
101
11 Platform Does Not Steer
101
12 All System Sluggish
101
13 Power Extension Platform will Not Extend or Retract
101
14 High/Low Torque Inoperative
101
Section 5 Procedures
107
General
108
OEM Controller Electronics Information
108
Safety and Workmanship
108
Service and Maintenance
108
OEM Controller Troubleshooting
109
OEM Controller Switch Wiring
110
Base
111
Lift Pressure Adjustment
111
System Relief Pressure Adjustment
111
Electronic Tilt Switch Setup Procedure
112
Tilt Switch Replacement
112
Reprogramming Existing Tilt Switch
114
Test and Verify Tilt Circuit
115
Control Module Pin Reference Chart
116
Load Sensing System - CE
116
LED Error Codes - Quick Reference Chart
117
LED Error Codes - Code Breakdown Chart
118
Hand Held Calibration/Diagnostic Tool Key Functions
120
Control Module Load Calibration - Code Messages & Definitions
121
Control Module Load Calibration Procedure
125
Curve/Group Codes Chart
129
Other manuals for Skyjack SJ 4620
Operating Manual
89 pages
4
Based on 1 rating
Ask a question
Give review
Questions and Answers:
Need help?
Do you have a question about the Skyjack SJ 4620 and is the answer not in the manual?
Ask a question
Skyjack SJ 4620 Specifications
General
Brand
Skyjack
Model
SJ 4620
Category
Boom Lifts
Language
English
Related product manuals
Skyjack SJ 4626
130 pages
Skyjack SJ 46A
85 pages
Skyjack SJ 4632
130 pages
Skyjack SJ 46AJ
85 pages
Skyjack SJ 3219
89 pages
Skyjack SJ-7027
216 pages
Skyjack SJ 8841
84 pages
Skyjack SJ 3226
89 pages
Skyjack SJ 3220
130 pages
Skyjack SJ 3215
114 pages
Skyjack SJ 9250
84 pages
Skyjack SJ 8831E
200 pages
To Next PageTo Next PageTo Previous PageTo Previous Page
Loading...
Need help?
General
