Need factory data for your Wacker Neuson ET35 or EZ36 track excavator? This 404-page Wacker Neuson ET35, EZ36 service manual PDF (OEM #1000396262) maps both models plus the E16-01 and E16-02. Inside: full wiring harness layouts with pinouts and cable color coding, hydraulic schematics for the work pump T003, main control block C001, and drive counterbalancing system, plus an SPN diagnosis code list for chasing electrical faults. You also get torque tables, wear limits, cylinder speeds, and maintenance intervals for both the Yanmar 3TNV88-BPWN (Tier III) and 3TNV88F-EPWN (Tier IV) engines. Trace the 8-channel swivel joint L017, check live ring tolerance, and set hydraulic pressures against the factory test report. No more chasing wiring faults with a multimeter and a prayer. Bookmarked and keyword-searchable; pull it up on your phone in the shop and get back to work.
What's Inside This Wacker Neuson ET35, EZ36 Manual
| System | Pages | Key Topics |
|---|---|---|
| General | 7-32 | Service Manual, Warranty and Liability, Warning Notices, Labels, Machine Overview, Overview of the Engine Compartment Tier Iii, Overview of the Engine Compartment Tier Iv |
| Technical Data | 33-60 | Engine Yanmar, Traveling Drive, Tracks, Work Hydraulics, Maximum Speed, Traction Force, Cylinder Speeds, Electrical System |
| Maintenance | 61-162 | Information on Maintenance, Special Tools, Fluids and Lubricants, Important Information Regarding Operation with Biodegradable Hydraulic Oil, Maintenance Plan, Parking the Machine |
| Engine | 163-180 | Yanmar 3TNV88-Bpwn (Tier Iii), Yanmar 3TNV88F-Epwn (Tier Iv), Fuel System |
| Hydraulic System | 181-220 | Overview of Components, Hydraulic Oil Tank L042, Work Pump T003 and Control Oil Unit C006, Main Control Block C001, Drive Counterbalancing System, Drive (T011, T012) |
| Electrical System | 221-234 | Ohmic Law (Current, Voltage, Resistance); Power, Measuring Equipment, Measuring Methods, Cable Color Coding, Relays, Control Equipment, Sensors |
| Local Position of the Wiring Harnesses | 235-260 | General Information About the Wiring Harnesses, Main Wiring Harness Tier Iii, Main Wiring Harness Tier Iv, Wiring Harness for Cab Switch, Wiring Harness for Cab Headlight |
| Wiring Harnesses | 261-296 | Legend for Wiring Harness for Cab Switch, Wiring Harness for Cab Switch, Wiring Harness for Cab Headlight, Wiring Harness for Cab Headlight Roof |
| Diagrams | 297-366 | Stromlaufplan | E16 T3 Stromlaufplan, Stromlaufplan | E16 |
| Air Conditioning | 367-372 | Specific Safety Instructions, Overview, Air Conditioning Components, Filling Up the Air Conditioning System, Malfunctions |
| Telematic | 373-374 | Connections, Functional check/LED |
| Diagnosis Code List | 375 | Diagnosis Code List (Spn) |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Tightening torques | 2-10 | p. 3 |
| Air filter | 3-51 | p. 4 |
| Fuel system | 3-29 | p. 4 |
| Sensors | 6-6 | p. 5 |
| Traveling drive | 3-79 | p. 4 |
| Cooling system | 3-42 | p. 4 |
| Engine tightening torques - Cylinder-head bolt | 85.3 – 91.1/62.9 – 67.2 (M10x1.25) | p. 42 |
| Coolant level drops below MIN mark after cooling | Empty the water separator if the red indicator ring A rises to position B. | p. 92 |
| Reductors (gearboxes) show insufficient oil level | Empty the water separator if the error message SPN 97 appears on the display. | p. 93 |
| Replace the air filter elements according to the multifunctional display | every 1000 o/h or once a year at the latest | p. 112 |
| Ensure that dust valve E shows downward once it is installed | downward | p. 112 |
| Reductor oil seals | Check every 500 operating hours | p. 74 |
Wacker Neuson ET35, EZ36 Common Problems This Manual Covers
Wacker Neuson ET35 engine starts and runs fine, then stalls suddenly and needs long cranking to restart
Check the fuel prefilter water separator first: if the red indicator ring has risen from the bottom, drain it as described on page 92. Bleed the fuel system, then follow the engine troubleshooting chart starting on page 169. Verify fuel level too; the tank holds 44 liters (11.62 gal) and a near-empty tank pulls air on slopes.
Manual Section: Engine p. 169Engine runs rough, stalls under load, temperature sensor fault code on the display
Inspect all fuel lines and the injection system for leaks before touching electronics. Test the engine temperature sensor, mounted near the fan (page 229), and compare readings against the diagnosis code list on page 375. Verify engine oil pressure holds 3.9 to 5.4 bar (56.56 to 78.32 psi), then work through the rough-idle procedure on page 169.
Manual Section: Engine p. 169Black exhaust smoke and low power, air filter warning on the multifunctional display
Replace both air filter elements when the display calls for it, and no later than every 1000 operating hours or once a year (page 112). Cut that interval to 50 operating hours in acidic or heavily dusty air. Clean the housing before installing new elements, and make sure the dust valve points downward or it cannot eject dirt.
Manual Section: Maintenance p. 112Travel drive gearboxes low on oil, wet streaks around the final drive housings
Check gearbox oil only with the machine parked so the fill plug sits in the correct position; a tilted machine reads false. Inspect the reductor oil seals every 500 operating hours (page 74) and replace any that weep. After service, torque the travel drive fasteners to 110 Nm (81 ft.lbs) using the chart on page 42.
Manual Section: Maintenance p. 74Engine cranks slowly in cold weather, glow plug indicator never comes on
Test the battery under load first; the machine runs a 12 V, 70 Ah battery (page 37), and one weak cell ruins cold starting. Inspect the glow plugs visually and measure their resistance. Torque replacement glow plugs to 15 to 20 Nm per the table on page 42, then confirm the 55 A alternator is charging.
Manual Section: Electrical System p. 37Frequently Asked Questions
What are the torque specs for Wacker Neuson ET35 bolts?
For the Wacker Neuson ET35, model-specific tightening torques include the Live ring at 180 Nm (133 ft.lbs.), Gear motor at 180 Nm (133 ft.lbs.), and Pump at 110 Nm (81 ft.lbs.). For engine components, the Cylinder-head bolt requires 85.3 – 91.1 Nm (62.9 – 67.2 ft.lbs.). p. 42
What do Wacker Neuson ET35 error codes mean?
The manual provides a diagnosis code list (SPN) that categorizes errors by component type (e.g., Sensors, Electrical system, Relays) and lists SPN ranges. For example, "Starter plus 2 not available" is SPN 17, and "Starter was actuated for longer than 15 seconds" is SPN 18. For detailed engine failure information, it advises contacting technical support. p. 375
How to reset Wacker Neuson ET35?
To reset the maintenance meter on the ET35 (Tier III), select the maintenance meter with switch A, press switch B, then enter the 5-digit code (factory default is 12345) digit by digit, confirming each with switch B. After correct entry, the meter resets to 500 operating hours. p. 161
What are the replacement specifications for Primary air filter?
The primary air filter (referred to as "outside filter C") for the ET35/EZ36 should be replaced according to the multifunctional display, every 1000 operating hours, or once a year at the latest. In environments with acidic air, replacement is recommended after 50 operating hours. p. 112
What is the engine oil capacity for the Yanmar engine in the ET35/EZ36?
The engine oil capacity for the Yanmar engine in the ET35/EZ36 is 6.7 liters (1.8 gal). This is a guide value and depends on the oil manufacturer. p. 63
Is this Wacker Neuson ET35, EZ36 Service Manual a digital download?
Instant PDF download. You get the full 404-page searchable Service Manual immediately after payment. Open it on your laptop, tablet, or phone right in the shop.
Can I print this Wacker Neuson ET35, EZ36 manual?
Yes, print as many copies as you want, and there are no restrictions. Many mechanics print the section they need and bring it to the shop floor.
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