Case CX145C SR Excavator Repair Manual

Manuals: Service Manual
General Information
Engine
Fuel System
Electrical System
Undercarriage
Drive Train
Hydraulics
Upper structure
Electrical Schematics
Hydraulic Schematics
Manual Extract Description of functions and operations
Engine electronic control

The control provided by the control unit applies to the range from injection to air intake and exhaust including fuel injection amount, injection timing, air intake restriction, EGR and idling speed.

Cylinder block
The cylinder block is made of cast iron, and it has the equal center distance for each bore and a high rigidity, and the center of the crankshaft matches the center of the block.
Piston
The piston is a strut cast thermal flow piston made of aluminum alloy, and the combustion chamber is the round re-entrant type.
Cylinder head

The cylinder head is made of cast iron, and has four valves per each cylinder. The angle tightening method has been adopted to the cylinder head bolt to further improve its reliability and durability.

Crankshaft
The crankshaft is not to be polished for reuse, as it has TUFFTRIDE treatment applied. If a problem is found, replace with a new one.
EGR system

The EGR system is controlled by the engine control module (ECM) according to various data including the water temperature, engine RPM, and engine load to recirculate the exhaust gas for purification.

The primary components are the EGR valve, EGR cooler, and various sensors.
Identify the Tier Level of your Equipment (Read our Article on Tier Level )