Wacker Neuson ET18 ET20 ET24 Excavator Service Manual PDF (Edition 2.3)

Description

Wacker Neuson ET18 ET20 ET24 Excavator Service Manual PDF DOWNLOAD (Edition 2.3)

Description

This official Wacker Neuson Track Excavator Service Manual covers models:

• ET18 – Model code E12-02

• ET20 – Model code E12-03

• ET24 – Model code E12-04

It provides full dealership-level diagnostics, maintenance, repair procedures, hydraulic testing, wiring information, and system troubleshooting.

Edition: 2.3 — August 2016
Document Order No: 1000282523
Language: English

The manual includes detailed illustrations, system diagrams, pressure test ports, valve layouts, wiring harness maps, torque charts, and step-by-step service tasks designed for professional workshop use.

 Table of Contents (Structured Summary)

1️⃣ Operation & Safety

Includes:

• Identification labels & serial number locations

• Cabin & canopy controls

• Control lever base safety lockout

• Entry / exit & emergency escape procedures

• Engine compartment overview (Page 1-25)

• Valve & pump compartment layout (Page 1-27)

• Pedal & joystick control patterns ISO/SAE

• Emergency lowering & hydraulic pressure release

• Parking on level ground & slopes

2️⃣ Technical Data

Covers:

• Models & trade names

• Engine specs (Yanmar 3TNV76 / 3TNV80F)

• Compression, torque & governor settings

• Fuel system specifications

• Hydraulic pressures & pump configuration

• Electrical components & fuse chart

• Machine weights & dimensions

• Payload & lift tables

• Noise & vibration data

3️⃣ Maintenance

Includes detailed procedures for:

• Maintenance plan & service intervals

• Fluids & lubricants

• Diesel fuel & bleeding procedure

• Hydraulic oil service & filter replacement

• Track tension & travel drive oil

• Cooling system service

• V-belt inspection & replacement

• Air filter & fresh-air cabin filter

• Battery charging & replacement

• Lubrication charts & grease points

• Pressure test ports P1 / P2 / P3

4️⃣ Engine (Yanmar 3TNV Series)

Topics include:

• Valve clearance adjustment

• Cylinder head tightening sequence

• Injection timing & nozzle testing

• Compression testing

• Glow plug replacement

• Thermostat & temperature switch checks

• Crankcase vent system

• Engine malfunction diagnostics

5️⃣ Hydraulic System

Covers:

• Dual displacement + gear pump assembly

• Pump teardown & assembly

• Main valve block

• Pilot valves & drive valve

• Regeneration system

• Boom load-retaining valve

• Cylinder speed test specs

• Swivel unit & swivel joint

• Travel motor configurations (serial-based notes)

6️⃣ Electrical System

Includes:

• Wiring harness layouts (multiple versions)

• Fuse & relay chart

• Alternator & starter

• Power outlet & radio option

• CANopy / cabin wiring variants

• Safe load indicator wiring

• Connector lists & strand diagrams

7️⃣ Diagrams

Contains:

• Full hydraulic schematics — ET18 / ET20 / ET24

• Optional 3rd circuit schematics

• Proportional control variations

• Full wiring diagrams

8️⃣ Options

Coverage includes:

• Automatic engine speed control

• Hydraulic quickhitch / Easy Lock

• 3rd control circuit

• Hammer operation

• Powertilt system

• Safe load indicator

• Hose burst protection

• Telematics

• Vertical Digging System (VDS)

9️⃣ Powertilt PTS4.5 Service

Includes:

• Seal replacement procedures

• Bearing kit installation

• Shaft removal & assembly

• Lubrication & test instructions

• Troubleshooting guide

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