Aichi SP25B(4WD) SERVICE MANUAL SME – 127C – PDF DOWNLOAD
IMAGES PREVIEW OF THE MANUAL:
DESCRIPTION:
Aichi SP25B(4WD) SERVICE MANUAL SME – 127C – PDF DOWNLOAD
This manual describes correct adjustment and servicing procedures
for Wheel type self- propelled Elevation work platform: SP25B
in order to ensure the most effective use of superb performance
and excellent features for your satisfaction.
A qualified personnel should read this manual carefully
and understand the descriptions correctly
before making any repair or maintenance works.
Always be sure of the following items
when conducting repair or maintenance works.
Use only the spare parts approved by the manufacturer,
particularly for load- supporting and safety- related components.
Proper measures should be taken to ensure safety during maintenance.
Do not make any modifications to the machine
without obtaining the manufacturer’s approval.
The design check, the manufacturing check as well as
the practical test shall be conducted by the approved agent,
if the modification which would affect the stability, strength or
performance of the machine is made.
Please, note that the numerical values in this manual
may be subject to change due to engineering improvement.
TABLE OF CONTENTS:
Aichi SP25B(4WD) SERVICE MANUAL SME – 127C – PDF DOWNLOAD
1 General information
Specifications 1 2
Overall dimensions 1 3
Work range diagram 1 4
Safety devices 1 5
2 Mechanical section
Diesel engine 2 2
Hydraulic pump and Oil cooler installations 2 3
Chassis 2 4
Rotation bearing 2 5
Boom rotation gearbox 2 7
Boom 2 8
1 Structures 2 8
2 Hydraulic hoses and Electrical cables arrangements 2 8
3 Inspection procedures 2 9
4 Extension / Retraction wire ropes 2 11
5 Adjustment of Extension / Retraction wire ropes 2 12
6 Tension of Electric cables 2 14
7 Sectional drawings 2 15
Platform 2 17
3 Hydraulic section
Oil reservoir 3 2
High pressure line filter for Boom functions 3 3
High pressure line filter for Charge pump 3 4
Adaptor filter 3 5
Hydraulic pump 3 6
Emergency pump 3 8
Main control valve 3 9
Platform rotation solenoid valve 3 11
Travel speed select solenoid valve 3 12
Parking brake release solenoid valve 3 13
Oscillation axle release solenoid valve 3 14
Unit valve 3 15
Flow priority valve 3 16
Flow divider valve 3 17
Swivel joint 3 18
Boom elevation cylinder 3 19
Single holding valve (for Boom elevation cylinder) 3 20
1 Inspection procedures 3 21
Boom telescope cylinder 3 22
Double holding valve (for Boom telescope cylinder) 3 23
1 Inspection procedures 3 24
Oscillation axle lock cylinder 3 25
Lock valve (for Oscillation axle lock cylinder) 3 26
Steering cylinder 3 27
Double pilot check valve (for Steering cylinder) 3 28
Platform leveling system 3 29
1 Note on function 3 30
2 Inspection procedures 2 30
3 Air bleeding procedures 3 30
Combination valve (for Platform leveling system) 3 31
Lower leveling cylinder 3 32
Upper leveling cylinder 3 33
Double holding valve (for Upper leveling cylinder) 3 34
Boom rotation motor 3 35
Platform rotary actuator 3 36
1 Function of Rotary actuator 3 37
2 Platform rotary actuator air bleeding procedures 3 38
Travel motor 3 39
Check valve block 3 41
Unloading solenoid valve 3 42
Hydraulic generator solenoid valve 3 43
4 Electric section
Main CPU box (M2A) 4 2
1 Input / Output characteristics 4 3
2 Error codes and their countermeasures 4 4
Upper control box 4 6
1 Electrical schematic 4 7
Sub CPU board (M4A) 4 8
1 Input / Output characteristics 4 9
Joystick controller 4 10
Foot switch 4 11
Lower control box 4 12
1 Electrical schematic 4 13
Main key switch 4 14
Relays in Lower control box 4 15
1 Relay CR1 4 15
1 Relay CR3, 4, 5, 6, 7 and 10 4 15
Engine control box (for Diesel engine) 4 16
1 EGR cut controller 4 17
2 Timer relay 4 17
3 EGR cut relay 4 18
4 Safety relay 4 19
5 Charge relay 4 20
6 Relay CR21 4 21
7 Contactor for Emergency pump 4 21
Boom length sensor 4 22
Boom length sensor R/H 4 23
Boom length sensor L/H 4 24
Boom angle senor R/H 4 25
Boom angle senor L/H 4 26
Boom length limit switch 4 27
Wire rope failure sensing limit switches 4 28
Tilt sensor 4 29
Accelerator motor (for Diesel engine) 4 30
Fuel pump for Automatic air Bleeding system 4 31
Air cleaner clog sensing switch 4 31
Low fuel level detect switch 4 32
Starter motor 4 32
Alternator 4 33
5 Electric circuit for individual system
Engine start and stop system 5 2
Boom elevation system 5 3
Boom telescope system 5 4
Boom rotation system 5 5
Traveling system 5 6
H / V control system 5 7
Steering and Platform level adjust systems 5 8
Platform rotation system 5 9
Work range limit and Overload sensing systems 5 10
Accelerator and Oscillation axle release systems 5 11
Emergency pump system 5 12
Horn, Work light and Hydraulic generator systems 5 13
6 Inspection and Adjustment
Inspection of Limited work radius 6 2
Inspection data sheet 6 3
Engine RPM measurement procedures 6 4
Relief valve pre pressure adjustment procedures 6 5
7 Appendix
Hydraulic circuit diagram 7 2
Electrical circuit diagram, Platform 7 4
Electrical circuit diagram, Turntable 7 5
Electrical wiring chart, Platform 7 7
Electrical wiring chart, Turntable 7 8
Locations of Hydraulic and Electrical components 7 10
Water proof connectors 7 13
Color code of wires 7 15
Tightening torque standard 7 16
8 Inspection manual
Procedures of Daily inspections 8 2
Daily inspection check sheet 8 4
Procedures of Periodical inspections 8 5
Procedures of Function tests 8 9
Periodical inspection check sheet 8 10
Function tests check sheet 8 12
Major alterations and repairs 8 12
VIDEO PREVIEW OF THE MANUAL:
PLEASE NOTE:
- This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
- You will be directed to the download page as soon as the purchase is completed. The whole payment and downloading process will take anywhere between 2-5 minutes
- Need any other service / repair / parts manual, please feel free to contact [email protected] . We still have 50,000 manuals unlisted
I.G