This is the COMPLETE Service Training Manual for the Linde T20R – Type 140, T20S – Type 144 Pallet Truck. This manual provides detailed service information, step-by-step repair instruction and maintenance specifications. it has been prepared as an aid to improve the quality of repairs by giving the operator an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. YOU CAN DO THE REPAIRS YOURSELF AND SAVE MONEY $$$
Models Covered:
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Electric Pallet Truck with seat T20R Type 140
Electric Pallet Truck, standing T20S Type 144
Service Training Manual Contains:
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1 Drive motor
1.1 Technical data
1.2 Description
2 Gearbox
2.1 Technical data
2.2 Description
4 Steering and wheels
4.1 I.E.S. steering in T20R and T20S (until 05/98)
4.2 L.E.S. steering in T20R and T20S (from 06/98)
4.3 Steering motors
4.4 Steering motor connection
4.5 Check and if required, replace brushes
4.6 Drive wheels
4.7 Stabiliser wheel T20R – T20S
4.8 Load wheels T20R – T20S
5 Operation and brake controls
5.1 Control module T20S
5.2 Pedals T20R
5.3 Progressive brake T20R
5.4 Progressive brake T20S
5.5 Technical characteristics of the brake – Digisoft and Moditorque
5.6 Adjustment of the Digisoft brake gap
5.7 Adjustment of the Moditorque brake gap
5.8 Technical characteristics of the brake – Warner (T20S)
5.9 Adjustment of the Warner brake gap
6 Electrical equipment
6.1 T20R type 140 with LTM
6.1.1 Location of electric components T20R type 140 (LTM)
6.1.2 Traction control T20R (LTM)
6.1.3 Accelerator T20R
6.1.4 Progressive braking T20R
6.2 T20S type 144 with LTM
6.2.1 Location of electric components T20S type 144 (LTM)
6.2.2 Traction control T20S (LTM)
6.2.3 Progressive braking T20S
6.2.4 Accelerator T20S
6.3 Presenting the LTM speed control
6.3.1 LTM power circuit
6.3.2 Mosfet type power transistors 1V1 and 1V2
6.3.3 Transistors control with field effect
6.3.4 Transistor conduction
6.3.5 Transistor blocking
6.3.6 Transistor protection module
6.3.7 Transistor module cabling
6.3.8 Installation of the transistor modules
6.3.9 Transistor module checking
6.3.10 Power diodes
6.3.11 Measurement shunt
6.3.12 LTM speed control
6.4 LBC control module 1A2
6.4.1 LBC control module check
6.5 Troubleshooting
6.5.1 Analysis of faults
6.6 Electric drawings for T20R – T20S with LTM
6.6.1 T20R with LTM – LBC – IES (1 start switch – brake end) – until 10/97
6.6.2 T20R with LTM – LBC – IES (2 brake pedals switches) – from 11/97 to 05/98
6.6.3 T20S with LTM – LBC – IES – until 10/97
6.6.4 T20S with LTM – LBC – IES (new speed reduction ratios) – from 11/97 to 05/98
6.7 T20R type 140 with LDC
6.7.1 T20R: Operating the truck
6.7.2 T20R: Location of the speed control panel components (LDC)
6.7.3 T20R: status of LDC control box inputs
6.7.4 T20R: LDC speed control adjustments (Eprom 1.5)
6.7.5 T20R: truck coding
6.7.6 T20R: accelerator
6.7.7 T20R: the brake box 7A4
6.8 T20S type 144 with LDC
6.8.1 T20S: Operating the truck
6.8.2 T20S: Location of the speed control panel components (LDC)
6.8.3 T20S: status of LDC control box inputs
6.8.4 T20S: LDC speed control adjustments (Eprom 1.5)
6.8.5 T20S: truck coding
6.8.6 T20S: accelerator
6.9 T20S – T20R: Speed sensor adjustment and control
6.10 Using control units for LDC speed control (Eprom 1.5)
6.10.1 Diagnostic menus
6.10.2 Troubleshooting
6.10.3 Error codes displayed in the menus (2), (3), (31) and servicing
6.10.4 Truck faults correspondence – Error messages
6.10.5 Table of faults in the power circuit
6.11 Braking
6.11.1 Electromagnetic brake control, DIGISOFT
6.11.2 Electromagnetic brake control, MODITORQUE
6.11.3 Electrohydraulic brake control
6.12 Electrical steering LES
6.12.1 T20S – T20R: LES electric steering description
6.12.2 LES steering operation
6.12.3 Setting the wheel position potentiometers
6.12.4 LES steering adjustment
6.12.5 Diagnostic adjustment equipment
6.12.6 Adjustment procedures
6.12.6.1 Replacing the position potentiometers
6.12.6.2 Teaching the steer after replacing the control box 3A1
6.12.7 Using control units for LES speed control
6.12.8 Troubleshooting with the TEST MODULE unit or PC
6.12.9 List of fault codes and servicing
6.13 TNL multifunction indicator
6.13.1 Description
6.13.2 Alarms and linking of screens
6.13.3 Setting parameters for multifunction indicator / Factory settings
6.13.4 Setting the multifunction indicator after a service visit
6.13.5 PC connection for multifunction indicator settings
6.13.6 Selecting menus in TRUCK DOCTOR
6.13.7 Using the TRUCK DOCTOR to set parameters for the multifunction indicator
6.14 Electric drawings for T20R – T20S LDC-equipped
6.14.1 T20R (LDC)- from 06/98 up to Serial No. K00159
6.14.2 T20R (parking brake modification)- from Serial No. K00160 to No. N00147
6.14.3 T20R (multifunction indicator) – from Serial No. N00148
6.14.4 T20S (LDC)- from 06/98 up to Serial No. K00381
6.14.5 T20S (hydraulic brake assistance) – from Serial No. K00382 to No. N01093
6.14.6 T20R (multifunction indicator) – from Serial No. N01094
7 Hydraulic unit
7.1 T20R type 140 hydraulic equipment
7.1.1 T20R equipment up to truck no. W4X140M00040
7.1.2 T20R equipment up to truck No. W4X140M00041
7.2 T20S type 144 hydraulic equipment
7.2.1 T20S equipment up to truck no. W4X144M00241
7.2.2 T20S equipment up to truck no. W4X144M00242
7.3 Pump motor unit 1kW
(T20R up to truck no. W4X140M00040)
(T20S up to truck no. W4X144M00241)
7.3.1 Brushes warning lamp
7.3.2 Motor reassembly
7.3.3 Hydraulic pump
7.4 Pump motor unit 1.2 kW – without maintenance
(T20R from truck No. W4X140M00041)
(T20S from truck No. W4X144M00242)
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** Model Specification: Linde T20R – Type 140, T20S – Type 144 Pallet Truck
** Language: English
** Total Pages: 184
** File Format: PDF
** Requirements: Adobe PDF Reader
** Compatible: All Versions of Windows & Mac, Linux OS, Iphone, Ipad, Android etc…
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