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SJ1056 TH
Skyjack SJ1056 TH Service Manual
225 pages
Manual
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S
E
RV
I
C
E
MA
N
U
A
L
190130AG
January 2021
ANSI
SJ
1
0
4
4 T
H,
SJ
1
0
4
4 T
HS
,
SJ
1
056 TH
,
SJ
1
056 TH
S
,
SJ
1
2
56
TH
S
TEL
EHA
N
DLERS
To
order
go
to
Discount-Equipment.com
2
Table of Contents
Table of Contents
5
Section 1 - Scheduled Maintenance
10
Read and Heed
10
Telehandler Definition
10
Purpose of Equipment
10
Use of Equipment
10
Manual
10
Service Policy and Warranty
10
Operator Safety Reminders, Warnings and Precautions
10
Maintenance and Inspection Schedule
11
Owner's Annual Inspection Record
11
Replacement Parts
11
Maintenance and Service Safety Tips
11
Hydraulic System & Component Maintenance and Repair
12
Maintenance Hints
12
About this Section
13
Service Bulletins
13
Maintenance and Inspection
13
Maintenance Instructions
13
Scheduled Maintenance Inspections
15
Labels - a
15
Electrical
15
Mirrors - a
15
Hydraulic
15
Cylinders - a
16
Frame
16
Engine Compartment
19
Transmission
20
Boom - a
20
10 Lifting Attachment - a
20
11 Grease Fittings - B
21
12 Operator's Cab
21
Function Tests
23
Section 2 - Maintenance Tables
24
Standard and Optional Equipment
25
Specifications and Features
27
Recommended Fluids/Lubrications
29
Tire/Wheel Specifications
31
Pressure Settings
32
Standard Hose Numbering System
33
Torque Specifications for Fasteners (US)
35
Torque Specifications for Fasteners (Metric)
36
Torque Specifications for Hydraulic Couplings & Hoses
37
Air Conditioner Temperature/Pressure Chart
38
Section 3 - System Component Identification and Schematics
39
Electrical Symbol Chart
40
Hydraulic Symbol Chart
41
Electrical Components Parts List
42
Hydraulic Components Parts List
45
Hydraulic Pump and Return Filter Ports Identification
49
Steering Control Unit Ports Identification
50
Service Brake Actuator (Brake Pedal) Ports Identification
51
Auxiliary Block Ports Identification
52
Joystick Port Identifications
53
Premium Joystick Port Identifications
54
Premium Joystick Manifold Port Identifications
55
Rear Axle Stabilization Manifold Port Identification
56
Outrigger Manifold Port Identifications
57
Reserve Brake Manifold Port Identifications (Option)
58
Anti-Cavitation Relief Valve (SJ1256 THS Only)
59
Major Components Identification and Location
60
Main Manifold Port Identification
61
Enclosed Cab Harness & Wiring Diagram
64
Glow Plug Harness & Wiring Diagram
65
Road Lights Harness & Wiring Diagram
66
Work Lights Harness & Wiring Diagram
67
Boom Lights Harness & Wiring Diagram
68
Beacon Light Harness & Wiring Diagram
69
RAS System Schematic and Wiring
70
Elevate Telematics Harness
71
A/C Harness
72
Heater & A/C Harness
73
CVT Vehicle Harness
74
CVT Transmission Harness
75
Console Harness and Layout 74 HP
76
Console Harness Wiring Diagram 74HP
77
Console Harness and Layout 107 HP - THS Models
78
Console Harness Wiring Diagram 107 HP - THS Models
79
Engine Harness 74 HP
80
Engine Harness 74 HP Wiring Diagram
81
Engine Harness Diagram 107 HP - THS Models
82
Engine Harness Wiring Diagram 107 HP
83
Chassis Harness
84
Chassis Harness Wiring Diagram
85
Electrical Schematic 74 HP - SJ1044 TH & SJ1056 TH
86
Electrical Schematic 74 HP Premium Joystick - SJ1044 TH & SJ1056 TH
89
Electrical Schematic 74 HP Engine with CVT - SJ1044 TH & SJ1056 TH
92
Electrical Schematic 74 HP Engine with CVT and Premium Joystick- SJ1044 TH & SJ1056 TH
96
Electrical Schematic 107 HP - SJ1044 THS & SJ1056 THS
100
Electrical Schematic 107 HP , Premium Joystick- SJ1044 TH & SJ1056 TH
103
Electrical Schematic 107 HP Engine with CVT - SJ1044 TH & SJ1056 TH
106
Electrical Schematic - SJ1256 THS
110
Electrical Schematic for CVT - SJ1256 THS
113
Hydraulic Schematic - SJ1044 TH/THS & SJ1056 TH/THS
117
Hydraulic Schematic (Reserve Brake Option) - SJ1044 TH/THS & SJ1056 TH/THS
118
Hydraulic Schematic, Premium Joystick - SJ1044 TH/THS & SJ1056 TH/THS
119
Ths
120
Hydraulic Schematic - SJ1256 THS
121
Hydraulic Schematic (Reserve Brake Option) - SJ1256 THS
122
Hydraulic Schematic for Premium Joystick- SJ1256 THS
123
Section 4 - Troubleshooting Information
124
Introduction
124
Electrical System
125
Engine will Not Crank
125
Engine Cranks but will Not Run
126
All Electrical Controls Inoperative
126
Park Brake will Not Release
127
Transmission will Not Engage
128
No Forward Drive
128
No Reverse Drive
128
No 1St Speed Range
129
No 2Nd Speed Range
129
10 No Boom Up, Front Steer Mode Only
130
11 Front Steer Mode Only
130
12 No 4W (Round) Steer Mode
130
13 No Crab Steer Mode
130
14 No Boom up
131
15 Frame will Not Tilt over 40° with Boom below 40
132
16 No Frame Level
133
17 RAS Remains Fully Locked (RAS Indicator Remains Illuminated)
136
18 RAS Remains Locked
137
19 Function Does Not Switch
137
20 Outriggers Inoperative
138
Hydraulic System
140
All Controls Inoperative
140
No Boom Functions
140
No Carriage Tilt
142
No Frame Level
143
No Aux. Functions
144
Hard or no Steering
144
Park Brake will Not Release
144
Park Brake will Not Engage
145
Service Brake will Not Engage
145
10 Outriggers Inoperative
145
Section 5 - Procedures
146
General
146
Safety and Workmanship
146
Engine and Transmission
146
Hour or Daily Routine Maintenance
147
Check Engine Oil Level
147
Check Coolant Level, Radiator and Hoses
147
Check Transmission Fluid Level
148
Check Air Cleaner Restriction and Filter Elements
148
Check Hydraulic Oil Level
149
Drain Fuel/Water Separator
150
Fuel Tank
150
Check Parking Brake
150
Check Tire Pressure and Condition
150
10 Check Seat Belt and Mounting Hardware
151
11 Check Windshield Washer Fluid Level and Wiper Condition
151
Hour or Weekly Routine Maintenance
152
Grease Axle Pivot Bearings and King Pins
152
Grease Drive Shaft U-Joints and Slip Joints
152
Check Fork Pins
153
Grease Frame Level Pivot Bushings and Axle Lock Cylinder
153
Grease Boom Pivot and Boom Cylinders
153
Grease Bottom Front & Top Rear Slide Pads
154
Hour or Quarterly Routine Maintenance
155
Check Lug Nut Torque
155
Check Oil Level in Axle Differential Planetary Wheel Ends
155
Check Oil Level in Axle Differentials
156
Replace Engine Oil and Filter
156
Change Engine Fuel Filter and Fuel/Water Separator
158
Clean Hydraulic Tank Breather
160
Torque Axle Mounting Bolts
160
Inspect Boom Chains
160
Check Boom Slide Pad Clearances
162
10 Check Boom Chains Tension
163
11 Chain Tension Adjustment
164
12 E-Chain and Hoses Inspection
165
1000 Hour or Annual Routine Maintenance
166
Change Hydraulic Oil Filter
166
Change Hydraulic Oil and Clean Hydraulic Tank
166
Change Axle Differential Oil
167
Change Axle Planetary Oil
168
Change Engine Coolant
169
Change Transmission Oil and Filter
173
Change Continuously Variable Transmission (CVT) Oil and Filter
175
Inspect Boom Chains
177
Inspect RAS System (Rear Axle Stabilization) Functionality
177
Non-Routine Maintenance
179
Boom Hoses and Sheaves Replacement
179
Boom Chains Replacement
183
Slide Pads Replacement Procedure
189
Hydraulic Pressure Test Procedure
191
Hydraulic Pump Testing Procedure
195
T12000 Modulation
195
Deutz Fault Codes
199
Starter Replacement Procedure
202
Bleeding Hydraulic Circuits
204
10 Cable Track Replacement
205
11 Carrier Assembly Replacement
212
Electronic Tilt Switch Setup Procedure
217
Tilt Switch Replacement
217
Reprogramming Existing Tilt Switch
218
Test and Verify Tilt Circuit
219
Park Brake Release
221
Bearing Installation
222
Other manuals for Skyjack SJ1056 TH
Manual
206 pages
Operating Manual
106 pages
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Skyjack SJ1056 TH Specifications
General
Model
SJ1056 TH
Type
Telehandler
Engine
Diesel
Maximum Lift Height
56 ft (17.07 m)
Overall Width
8 ft 4 in (2.54 m)
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