Description

Linde E20, E30, E10, E15 Training Manual

I’ve seen more burnt impulse controllers on Linde E-series forklifts than I care to count. Nine times out of ten, it’s because somebody tried to troubleshoot without the factory specs. If you’re working on an E10, E15, E20, or E30, you need the Linde E20, E30, E10, E15 Training Manual – the same binder Linde gave its own service techs. Not a third-party rehash.

This is a 322-page document covering everything from basic electrical formulas to the guts of the Impulsesteuerung III. Page 3 shows the full Inhaltsübersicht in four languages (English, German, French, Italian). You can jump straight to your model’s troubleshooting section without flipping through generic garbage.

Electrical Theory from the Factory Floor

Chapter 1 kicks off with Grundbegriffe aus der Elektrotechnik – electrical fundamentals with formulas, switch elements, and circuit symbols. It’s not a college textbook; it’s the practical baseline you need to understand why a controller locks out or a motor drops out under load. Page 4 details the formula sheet. Skip this and you’ll waste hours chasing the wrong voltage drop.

If you need a deeper look at the electrical fundamentals, the Linde E20 E25 E30 Electric Lift Truck Training Manual – Section: Chapter 1″>Linde E20 E25 E30 Electric Lift Truck Training Manual – Section: Chapter 1 covers similar ground for the heavier models.

19 Chapters Covering Every System

Not 10. Not 15. Nineteen specific chapters. Including:

• Gruppe 3: Motor dimensioning and circuit types for electric forklifts
• Gruppe 4: DC motor theory – your armature and field windings
• Gruppe 5 & 15: E10-15 with resistance control and impulse control III
• Gruppe 7: Servo steering for E15 models
• Gruppe 8-9: Impulse control general theory and Impulse III detailed description
• Gruppe 10: Adjustment procedures for E10-15 and E20-30 impulse controls
• Gruppe 11-12: Troubleshooting guides specific to E10-15 and E20-30 (Imp. III)
• Gruppe 17-19: Discharge indicators, batteries, and battery chargers

That’s a full electrical system map. No guesswork about which relay feeds which controller.

Impulse Control III: What’s Inside Chapter 9

Chapter 9 is a standalone deep-dive into the Impulssteuerung III. It describes the control logic, the power stage, and the feedback circuits. If you’ve ever had a forklift that creeps instead of starts, or lurches on direction change, this chapter tells you exactly which transistor stack to check and what the voltage should be at each test point. Factory values, not aftermarket approximations.

For the smaller chassis models that share similar control architecture, the Linde E12 E15 E16 Typ 324 Service Training Manual”>Linde E12 E15 E16 Typ 324 Service Training Manual is a direct supplement.

Troubleshooting: Step-by-Step Fault Location

Gruppen 11 and 12 are the troubleshooting chapters – one for E10-15, one for E20-30. They are laid out like a decision tree: symptom → test → replace/adjust. No vague “check wiring” advice. You get specific instructions for measuring the impulse control unit with the controller removed (Gruppe 13).

When you need parts breakdowns alongside the diagnostic flow, grab the Linde E25 E30 Spare Parts List”>Linde E25 E30 Spare Parts List. It’s a natural partner to this training manual.

The impulse control is essentially a DC chopper, similar in concept to the gear ratio selection in a Manual Transmission”>Manual Transmission, but instead of gears it modulates voltage. If you think about torque multiplication under load, the Cylinder Head Mechanics”>Cylinder Head Mechanics analogy applies – same principle of matched components to handle thermal and mechanical stress.

Skip the guesswork.

Battery and Charger Maintenance – Specs That Matter

Gruppe 18 covers batteries – discharge curves, charging cycles, and how the Entladeanzeiger (discharge indicator) works. Gruppe 19 covers the matching Linde battery charger. Use these sections to set the correct charge profile for your battery bank. Wrong float voltage will kill batteries in six months.

Everything in this manual comes from Linde AG, Werkgruppe Güldner Aschaffenburg. It’s printed on the cover: “H 1/E-Nr. 949/2”. That part number tells you this is an original training release, not a photocopy of a copy.

Does this manual include wiring diagrams?

It includes circuit symbols (Schaltzeichen) and schematic descriptions, but not full fold-out wiring diagrams. The focus is on theory, adjustment, and troubleshooting logic.

Can I use it for a Linde E20 with a dead controller?

Yes. Go to Gruppe 12 (Fehlersuchanleitung für E20-30) and follow the sequence. I’ve used it myself to isolate a failed transistor in under 30 minutes. The manual tells you which pins on the impulse control to probe and what resistance values you should see – no substitution for that factory data.

You’ve got a Linde electric forklift waiting for a diagnosis. You can keep chasing phantom faults, or you can buy the document that Linde itself used to train its technicians. Access the Factory Manual and get the correct electrical specs on your bench before you turn another screw.