DD15 Gen 5 KM80 Fuel System
From key on to full load. Learn how the system works, how to diagnose it, and how to service it with confidence.
What you'll learn
- The full fuel path from tank to nozzle and back through every return circuit
- Filtration and water separation: 100 µm prefilter and 3–5 µm coalescer
- How the MCM controls rail pressure through the quantity control valve
- Inside the HP pump and the amplified injector, up to 2,700 bar (39,160 psi)
- Safety valves: the two-stage valve and pressure limiting valve
- Service essentials: injector coding and correct fuel system priming
Who it's for
- Fleet technicians
- Apprentices
- Independent shops
- Fleet managers
| In-person or on-site | Hands-on | Animated cutaways | Certificate |
|---|---|---|---|
| In our classroom or at your shop | Work with real fuel system components | See inside every major component | Certificate of completion for every learner |
Book training for your team
Contact us for in-person and on-site course dates.
Need a custom track?
Combine Jaltest onboarding with emissions, electrical, or HPCR refreshers. We routinely build blended agendas for growing fleets and dealer networks.