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Service manual for Linde IC-Engined Fork Truck H 20/25/30 Type 351.

Contents:

2 IC-engined fork truck H20/25/30 D/T, type 351

2.1 Engine specifications (Diesel)

2.2 Hydrostatic transmission

2.2.1 Circuit diagram of the drive unit

2.2.2 Travel drive specifications

2.2.3 Hydraulic circuit schematic

2.2.4 Description of the hydrostatic travel drive

2.2.5 Flushing the variable displacement pump and drive axle

2.2.6 Power limiter and anti-stall device

2.2.7 Engine lock-out logic - reversing lock

2.2.8 Oil reservoir

2.2.9 Hydraulic remote control unit

2.3 Working hydraulic system

2.3.1 Circuit diagram of working hydraulic system

2.3.2 Description of the working hydraulic system

2.4 Electrical system

2.4.1 Wiring diagram for Diesel model

2.5 Checks and adjustments

2.5.1 Travel pedals

2.5.2 Brake pedal

2.5.3 Bowden cable for parking brake

2.5.4 Bowden cable for engine shutoff

2.5.5 Adjustment of engine speed

2.5.6 Start of drive wheel rotation

2.5.7 Brake shaft stop screws (from 11/88)

2.5.8 Symmetry of the travel control

2.5.8.1 Drive wheel start of rotation

2.5.8.2 Engine speed increase

2.5.9 Pressure difference Ap

2.5.10 Reversing lock

2.5.11 Hydraulic neutral position

2.5.12 Adjustment of wheel shaft bearing

2.5.13 Checking maximum wheel speed

2.6 Trouble-shooting

2.6.1 Line layout for trouble-shooting

2.6.2 Aids and tools for measurements

2.6.3 Remarks to trouble-shooting

2.6.4 Engine hydraulic speed control

2.6.4.1 Functional test

2.6.4.2 Trouble-shooting

2.6.5 Hydraulic brake system

2.6.5.1 Functional test

2.6.5.2 Trouble-shooting

2.6.6 Power-assisted steering

2.6.6.1 Trouble-shooting without measurement of boost and maximum pressure

2.6.6.2 Trouble-shooting with measurement of boost and maximum pressure

2.6.7 Equal pressure and start of control

2.6.8 Hydrostatic travel drive

2.7 LPG model of IC-engined fork truck H 20/25/30. type 351

2.7.1 Engine specifications

2.7.2 LPG installation

2.7.2.1 Schematic

2.7.2.2 Modes

2.7.2.3 Operation of vaporiser

2.7.2.4 Operation of mixer

2.7.2.5 Compensating tank

2.7.3 Electrical system

2.7.3.1 Ignition system

2.7.3.2 Electronic speed control

2.7.3.3 Wiring diagram

2.7.3.3.1 Up to 3.89

2.7.3.3.2 From 4.89

2.7.5 Checks and adjustments

2.7.5.1 LPG mixer

2.6.5.2 Throttleswitch S7 up to 3.89

2.7.5.3 RPM desired value sender B2

2.7.5.4 Engine speed sensor B1

2.7.5.5 Ignition timing

2.7.5.6 TCI-H Ignition system

2.7.5.7 TCI switch unit A1

2.7.5.8 Hall generator

2.7.6 Trouble-shooting

2.7.6.1 Remarks to trouble-shooting

2.7.6.2 Starting aid relay

2.7.6.3 Overspeed inhibitor relay up to 3.89

2.7.6.4 Throttle switch S7 up to 3.89

2.7.6.5 Electronic control device

2.7.6.6 Checking the RPM regulator with test module WM 108

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