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COLLAR 2H9511 - Caterpillar

2H9511 COLLAR Caterpillar parts 630A COLLAR
Alternative (cross code) number:
Caterpillar 2H9511 COLLAR
Weight: 0.20 pounds 0 kg.

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Compatible equipment models: 2H9511:

WHEEL SCRAPER  630A   Caterpillar
Number on catalog scheme: None
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Cylinder Block Assembly
Passages supply the lubrication for the crankshaft bearings and the piston crowns. These passages are cast into the cylinder block. Oil is supplied to the passages by the cylinder block's oil manifold.The cylinder liner is an induction hardened liner. A steel spacer plate provides improved reusability and durability.Cylinder Head Assembly
The cylinder head is a one-piece cast iron head. The cylinder head supports the camshaft. Steel reinforced bearings are pressed into each bore. The bearings are lubricated under pressure. Bridge dowels have been eliminated as the valve train uses floating valve bridges.Thermal efficiency is enhanced by the use of stainless steel thermal sleeves in each exhaust port. The sleeves reduce the amount of heat rejection to the cooling system. The sleeves then transfer the thermal energy to the turbocharger.The unit injector is mounted in a stainless steel adapter. This adapter has been pressed into the cylinder head injector bore.Pistons, Rings And Connecting Rods
The piston is a two-piece articulated design that consists of a forged steel crown and a cast aluminum skirt. Both parts are retained by the piston pin to the small end of the connecting rod. The pistons have three rings that are located in grooves in the steel crown. These rings seal the combustion gas. The rings provide control of the oil. The top ring has a barrel face. This ring is a Keystone ring with a plasma face coating. The second ring has a tapered face and the ring has a coating of chrome finish for the face. The third ring is the oil ring. The third ring has a coil spring expander. There are four holes that are drilled from the piston oil ring groove to the interior of the piston. These holes drain excess oil from the oil ring.The connecting rod is a conventional design. The cap of the connecting rod is attached to the shank by two bolts that are threaded into the shank. Each side of the small end of the connecting rod is machined at an angle of 12 degrees in order to fit within the piston cavity.Crankshaft
The crankshaft converts the combustion force in the cylinder into rotating torque. A vibration damper is used at the front of the crankshaft in order to reduce the torsional vibrations.The crankshaft drives a group of gears (front gear train) on the front of the engine. The front gear train provides power for the following components: camshaft, water pump, oil pump, fuel transfer pump and accessory items that are specific to the application.The cylinder block has seven main bearings that support the crankshaft. The cylinder block uses two bolts to hold each of the bearing caps to the block.The crankcase uses a lip seal at both ends of the crankshaft.Camshaft
The camshaft has three lobes at each cylinder. These lobes allow the camshaft to operate the unit injector, the exhaust valves, and the inlet valves. The camshaft is supported in the cylinder head by seven journals which are fit with bearings. The camshaft gear

Caterpillar parts catalog:

Caterpillar parts catalog
630 SCRAPER 60F00001-00075 (MACHINE)

Parts collar Caterpillar catalog:

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