Aichi TZ12A ITZ12A SERVICE MANUAL SME-323 – PDF DOWNLOAD
IMAGES PREVIEW OF THE MANUAL:
DESCRIPTION:
Aichi TZ12A ITZ12A SERVICE MANUAL SME-323 – PDF DOWNLOAD
This manual describes correct adjustment and servicing procedures
for truck mounted aerial platform TZ12A/ITZ40A
in order to ensure the most effective use of superb performance
and excellent features for your satisfaction.
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.
• 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 should 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 TZ12A ITZ12A SERVICE MANUAL SME-323 – PDF DOWNLOAD
1. General information
Overall dimensions 12
Specifications 1 3
Work range chart 1 4
2. Mechanical section
Boom rotation bearing 2 2
Boom rotation gearbox 2 4
Platform rotation gearbox 2 5
Boom 2 6
1. Note on function 2 6
2. Inspection procedures 2 7
3. Extension/ Retraction wire ropes 2 7
4. Adjustment of Extension/ Retraction wire ropes 2 9
5. Sectional drawings 2 11
Platform 2 13
Sub frame · 2 14
3. Hydraulic section
Hydraulic oil reservoir 3 2
Suction filter 3 3
High pressure filter 3 4
Adaptor filter 3 5
Hydraulic pump 3 6
Emergency pump unit 3 7
Outrigger control valve 3 8
Jack cy tinder 3 9
. Outrigger cylinder 3 10
Double pilot check valve 3 11
Swi ve I joint 3 13
Main contro 1 valve 3 15
1. Structure 3 15
2. Section drawings · 3 16
3. Hydraulic schematic 3 17
Elevation cylinder 3 18
Double holding valve (for Elevation cylinder) 3 19
1. Inspection procedures 3 20
Telescope cylinder 3 21
Double holding valve (for Telescope cylinder) 3 22
1. Inspection procedures 3 23
Rotation motor 3 24
Platform levelling cylinder 3 25
Double holding valve (for Platform levelling cylinder) 3 26
Double pilot check valve (for Platform levelling system) 3 27
Stop valve 3 28
Platform rotation motor 3 2 9
Pilot check valve (for Outrigger cylinder) 3 30
4. Electrical section
Main Power box 4 2
1. Relay ( CR 1 and CR 2) 4 3
2. Relay (CR 3 CR 8) 4 4
3. Charge relay 4 5
4. Diode board · 4 6
Upper control box 4 7
Sub CPU board (M’1 A) 4 8
1. Input/ Output characteristics 4 9
Joystick controller (for Telescope, Boom rotation, Platform rotation and Vertical) 4 1 O
Joystick controller (for Elevation and Horizontal) 4 11
Foot switch 4 12
Slip ring and Platform rotation sensor 4 13
Platform rotation sensor 4 15
1. Characteristics 4 15
2. Replacement procedures 4 16
Lower control box 4 17
Voice alarm board 4 17 2
Main CPU box (M2 D) 4 18
1. Input / Output characteristics 4 I 9
Slip ring and Boom rotation sensor 4 20
Platform rotation sensor 4 22
1. Characteristics 4 22
2. Replacement procedures 4 23
Platform tilt sensor 4 24
Platform storage position proximity switch 4 25
Boom storage position limit switches 4 26
Extension wire rope failure limit switches 4 27
Main CPU box (M 1 C) · 4 28
I. Input/ Output characteristics 4 29
Load cell (for Elevation cylinder) 4 30
Load cell and Load cell AMP (for Platform levelling cylinder) 4 31
1. Load cell 4 31
2. Load cell AMP 4 3 2
Boom length sensor 4 3 3
Boom angle sensor 4 3 4
Boom I Platform rotation post relative angle sensor 4 35
Sub CPU box (M2 E) c 4 36
1. Input / Output characteristics 4 3 7
Acee 1 era tor motor 4 3 8
Interlock sys tern 4 3 9
Outrigger extension sensor 4 40
Outrigger extension indicator 4 41
Control select key switch 4 42
Contactor for Emergency pump 4 4 3
Storage confirmation system 4 44
5. Electric circuit for individual system
Engine control system 5 2
Load moment limiter 5 3
Boom elevation / Horizontal movement system 5 4
Boom telescope I Vertical movement and Storage confirmation system 5 5
Boom rotation system 5 6
Platform rotation and Interlock system 5 7
Platform levelling and Platform level adjust system 5 8
Boom auto storage system 5 9
Interference limit system _;______________________________________________________________________________ 5 1 O
Accelerator, Panel light and Optional work light system 5 11
Emergency pump system 5 12
6. Inspections and Adjustments
Inspection procedures of Load moment limiter 6 2
1. Inspection of Outrigger extension indicator 6 3
2. Inspection of work radius 6 4
3. Inspection of Boom rotation limit angle 6 6
Inspection data sheet 6 7
7. Appendix
Hydraulic circuit diagram 7 2
Electrical circuit diagram (Platform) 7 3
Electrical circuit diagram (Turntable) 7 4
Electrical circuit diagram (Sub frame) 7 5
Electrical wiring chart (Platform) 7 6
Electrical wiring chart (Platform rotation post) 7 7
Electrical wiring chart (Turntable) 7 8
Electrical wiring chart (Sub frame) 7 9
Electrical wiring chart (Chassis) 7 10
Locations of Hydraulic components 7 11
Locations of Electrical components 7 12
Tightening torque standard ~ 7 13
Error code and their countermeasures 7 15
8. Inspection manual
Procedures of Daily inspections 8 2
Daily inspection check sheet 8 4
Procedures of Periodical inspections 8 6
Withstand voltage tests 8 11
Function tests · 8 11
Periodical inspection check sheet 8 12
Withstand voltage tests check sheet 8 14
Function tests check sheet 8 14
Maj or alterations and repairs 8
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