Complete digital official shop manual contains service, maintenance, and troubleshooting information for the International/Navistar MaxxForce DT/MF5/MF7/DT/MF9/MF10 Diesel Engine. Diagnostic and repair procedures are covered in great detail to repair, maintain, rebuild, refurbish or restore your vehicle like a professional mechanic in local service/repair workshop. This cost-effective quality manual is 100% complete and intact as should be without any missing pages. It is the same factory shop manual used by dealers that guaranteed to be fully functional to save your precious time.

This manual for International/Navistar MaxxForce 5, MaxxForce 7, MaxxForce DT, MaxxForce 9, MaxxForce 10 Engines is divided into different sections. Each section covers a specific component or system and, in addition to the standard service procedures, includes disassembling, inspecting, and assembling instructions. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. It is in the cross-platform PDF document format so that it works like a charm on all kinds of devices. You do not need to be skilled with a computer to use the manual.

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EXCERPT:
Fuel Injector Features
Two 48 volt, 20 amp coils control a spool valve that directs oil flow in and out of the injector. The injector coils are turned on for approximately 800 μs (microseconds). Each injector has a single four pin connector that couples to the valve cover gasket
assembly.
Injector Coils and Spool Valve
An OPEN coil and a CLOSE coil on the injector move the spool valve from side to side using magnetic force.
The spool has two positions:
• When the spool valve is open, oil flows into the injector from the high-pressure oil manifold.
• When the spool valve is closed, oil exits from the top of the fuel injector and drains back to the crankcase.
Intensifier Piston and Plunger
When the spool valve is open, high-pressure oil enters the injector pushing down the intensifier piston and plunger. Since the intensifier piston is 7.1 times greater in surface area than the plunger, the injection pressure is also 7.1 times greater than injection control pressure on the plunger.
Plunger and Barrel
Fuel pressure builds at the base of the plunger in the barrel. When the intensifier piston pushes the plunger down, the plunger increases fuel pressure in the barrel
7.1 times greater than injection control pressure. The plunger has a hardened coating to resist scuffing.
Injector Needle
The injector needle opens inward when fuel pressure overcomes the Valve Opening Pressure (VOP) of 28 MPa (4,075 psi). Fuel is atomized at high-pressure through the nozzle tip.
...
Front Cover Coolant Flow
The water pump draws coolant from the radiator through the front cover coolant inlet. Coolant flows from the water pump through three passages in the front cover. Two passages (left and right) direct coolant into the crankcase coolant jackets (front to rear) to cool the cylinder walls and the cylinder heads.
The third passage directs coolant through a passage in the crankcase to the oil cooler cover.
NOTE: If an oil cooler seal is damaged, weep holes in the oil filter base allow coolant to seep from the cooler cover.
Coolant returns through three front cover passages.
Returned coolant is directed to the thermostat by the front cover. If the engine has reached operating temperature and the thermostat is open, coolant flows to the radiator to be cooled. If the thermostat is closed, coolant is returned to the water pump through a bypass passage in the front cover.
Crankcase and Cylinder Head Coolant Flow
Coolant flows through passages in the front cover to the left and right sides of the crankcase. Coolant flows through the front of both sides of the crankcase, evenly distributing coolant around the cylinders, and exits the crankcase flowing up to the cylinder heads.
Coolant flows from the rear of the cylinder heads to the front, exits down a passage in the crankcase, and returns to the front cover.
For increased performance in cold weather, an optional power cord can be connected to the coolant heater installed in the crankcase.
Oil Cooler and EGR Cooler Coolant Flow
The front cover directs coolant to passages in the crankcase. Coolant flows from the crankcase to the front of the oil cooler cover.
...
Cleaning, Inspection, and Testing
Vibration Damper
CAUTION: To prevent engine damage, do not immerse damper in petroleum based solvents. This can damage the rubber damper element.
1. Clean vibration damper with soap, water, and a soft parts brush.
WARNING: To prevent personal injury or death, wear safety glasses with side shields.
Limit compressed air pressure to 207 kPa (30 psi).
2. Dry damper with filtered compressed air.
3. Inspect vibration damper rubber compound for bulging (page 212). If bulging exceeds
specification, replace vibration damper.
4. Inspect vibration damper rubber compound for cracks or separation. Replace vibration damper if necessary.
Oil Gerotor Pump
1. Wash all parts thoroughly in a nonchlorinated solvent.
WARNING: To prevent personal injury or death, wear safety glasses with side shields.
Limit compressed air pressure to 207 kPa (30 psi).
2. Dry with filtered compressed air.
3. Lay oil pump housing assembly on workbench.
4. Inspect inner and outer oil pump gerotors and oil pump housing assembly for nicks, burrs or scoring.
5. Replace any damaged components.
...

International/Navistar MF5/MF7/DT/MF9/MF10 Diesel Engine Workshop Repair & Service Manual