Cranes run on diesel engines like the Liebherr D904 to D926, and when one goes down the whole machine sits idle. A service manual is what a fleet mechanic or in-house technician opens when the engine is out of warranty and needs to be adjusted, repaired or rebuilt. It's also the document you want when a used machine arrives with no paperwork.
What this manual helps you do
- Adjust valves and check piston clearance using the procedures in the valve adjustment and check piston clearance sections.
- Rebuild the cylinder head, cylinder liner, camshaft and valve drive.
- Set the injection pump drive and adjust begin of delivery on the fuel system.
- Replace the lube oil pump, coolant pump, fan drive, starter or turbo charger.
- Follow the maintenance and inspection routines, and look up service fluids, operating temperatures and special tools before you start the job.
Who this is for
A rental fleet mechanic, an independent repair shop or a dealer technician working on Liebherr D904 to D926 engines. It suits anyone doing engine work in-house who wants the procedures in front of them at the bench.
FAQ
Q: What do I receive and how is it organised?
A: You get the set: 3 PDF files, 467 pages in total, in English and German. It holds Publication SHB (74 pages), Manual 2 (218 pages, the main manual) and Publication 8995116 (175 pages).
Q: Which engine does it fit?
A: The title reads Liebherr D904 to D926 Diesel Engine Service Manual. It's written for that engine family, including engine identification and direction of rotation.
Q: How does it fit my repair job?
A: A manual like this usually walks through removal, disassembly and assembly, adjustment and testing, so you can plan the job, order your tools and work through it step by step. The sections run from the engine illustrations through the cooling system, lubrication system and fuel system to the special tools.
Keep the set on file and your shop can take on D904 to D926 engine work without waiting on outside help.
Click here to view the preview (PDF)
📘 Show Index
Table of Contents:
- Manual 2 (218 pages)
- Engine illustrations
- Technical description
- direction of rotation and engine identification number
- operating temperatures and fluid quantities
- Torque specifications
- Valve adjustment
- Cylinder head gaskets
- Cylinder head
- Cylinder liner
- Piston and connecting rod
- Check piston clearance
- Crankshaft an bearing
- Camshaft and valve drive
- Lubrication circuit
- Oil pans
- Lube oil pump
- Lube oil filter and oil cooler
- Coolant circuit
- Water filter
- Coolant pump
- Fan drive
- Fuel system
- Fuel pump
- Fuel filter
- Injection pump
- Injection pump drive, adjust begin of delivery
- Fuel injector
- Engine exhaust
- Fan and flywheel side crankshaft seal
- Hydraulic pump auxiliary drive
- Air compressor
- Starter
- Air conditioner compressor and alternator
- Starting aid
- Turbo charger
- Gear drive
- Maintenance and inspection
- Service fluids
- Troubleshooting
- Special tools
- Publication SHB (74 pages)
- A. Steering
- Functional description
- Installation and adjustment notes
- Steering transmission parts
- Steering gear and steering column lever
- Notes for steering geometry
- Technical information
- B. Active rear axle steering (AHL)
- Angle sensor
- Description and installation position
- Installation solenoid
- Connecting sensor
- Control block (CAN-valve)
- Steering centering cylinder
- Function steering centering cylinder (cross section)
- Observe mounting
- Track adjustment
- Checking and adjustment works
- Rear axle steering pump
- Observe mounting
- Standby pressure checking
- Pressure clipping and checking/adjusting load signal
- Centering pump
- Observe mounting
- Checking/adjusting pump and stand by pressure
- Test programs
- Display of failure codes
- Display of failure in UW
- Display of failure in OW
- Special displays
- Special displays at the support box
- Special displays of the monitors OW (examples)
- Description du fonctionnement
- Programmes de test
- Affichage des codes d'erreur
- Visualizar códigos de error
- Publication 8995116 (175 pages)
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