854159 Mercruiser FITTING (90 DEG.)


854159 FITTING (90 DEG.) Mercruiser 40280001D, 428B116KD, 442B115KD, 4A72040ND, 4C72040TD, 4CJ2040ND FITTING

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$18.39
 

22-09-2019
2.0[0.90] Pounds
-: -
Handtmann 854159 Universal Terminal Clamp 3-Pack
This item is new, including original packaging!
Number on catalog scheme: 14
 

Mercruiser entire parts catalog list:

40280001D 1998
428B116KD 1997,1998
442B115KD 1997
4A72040ND 1998
4C72040TD 1998
4CJ2040ND 1998

Information:


Illustration 1 g01914622
Air inlet and exhaust system (typical example) (1) Exhaust manifold (2) Inlet manifold (3) Engine cylinders (4) Air inlet (5) Turbocharger compressor wheel (6) Turbocharger turbine wheel (7) Exhaust outletEngines which are naturally aspirated pull outside air through an air cleaner directly into the inlet manifold (2) . The air flows from the inlet manifold to the engine cylinders (3) . The fuel is mixed with the air in the engine cylinders. After the fuel combustion occurs in the engine cylinder, the exhaust gases flow directly to the outside air through the exhaust manifold (1) .Turbocharged engines pull outside air through an air cleaner into the air inlet (4) of the turbocharger. The suction is caused by the turbocharger compressor wheel (5) . Then, the turbocharger compressor wheel compresses the air. The air flows through the inlet manifold (2) which directs an even distribution of the air to each engine cylinder (3) . Air is pulled into the engine cylinder (3) during the intake stroke of the piston. Then, the air is mixed with fuel from the fuel injection nozzles.Each piston makes four strokes:
Intake
Compression
Power
ExhaustThe sequence of the strokes by all of pistons in all of the engine cylinders provide constant air flow to the inlet system during the engine operation.The exhaust stroke and the timing of the valve mechanism pushes combustion gases out of the open exhaust valve through the exhaust manifold (1) . The exhaust gases flow through the blades of the turbocharger turbine wheel (6) which causes the turbine wheel and the compressor wheel to turn. Then, the exhaust gases flow through the exhaust outlet (7) of the turbocharger to the outside.The air inlet system is also equipped with a crankcase ventilation system. The intake strokes of the pistons pull in atmospheric air to the crankcase.Turbocharger
A turbocharger increases the temperature and the density of the air that is sent to the engine cylinder. This condition causes a lower temperature of ignition to develop earlier in the compression stroke. The compression stroke is also timed in a more accurate way with the fuel injection. Surplus air lowers the temperature of combustion. This surplus air also provides internal cooling. A turbocharger improves the following aspects of engine performance:
Power output is increased.
Fuel efficiency is increased.
Engine torque is increased.
Durability of the engine is increased.
Emissions of the engine are decreased.
Illustration 2 g01278022
Components of a turbocharger (typical example) (8) Air inlet (9) Compressor housing (10) Compressor wheel (11) Bearing (12) Oil inlet port (13) Bearing (14) Turbine housing (15) Turbine wheel (16) Exhaust outlet (17) Oil outlet port (18) Exhaust inletA turbocharger is installed between the exhaust and intake manifolds. The turbocharger is driven by exhaust gases which flow through the exhaust inlet (18) . The energy of the exhaust gas turns the turbine wheel (15) . Then, the exhaust gas flows out of the turbine housing (14) through the exhaust outlet (16) .The turbine wheel and the compressor wheel (10) are installed on the same shaft. Therefore, the turbine wheel and the compressor wheel rotate at the same rpm. The compressor wheel is enclosed by the compressor housing (9) . The compressor wheel compresses the inlet air (8) . The inlet air flows into the engine cylinders through the inlet valves of the cylinders.The oil from the main gallery of the cylinder block flows through the oil inlet port (12) in order to lubricate the turbocharger bearings (11) and (13) . The pressurized oil passes through the bearing housing of the turbocharger. The oil is returned through the oil outlet port (17) to the oil pan.Some turbochargers have a wastegate. The wastegate is controlled by the boost pressure. This allows some of the exhaust to bypass the turbocharger at higher engine speeds. The wastegate is a type of flapper valve that automatically opens at a preset level of boost pressure in order to allow exhaust gas to flow around the turbine. The wastegate allows the design of the turbocharger to be more effective at lower engine speeds.The wastegate is controlled by a diaphragm. One side of this diaphragm is open to the atmosphere. The other side of this diaphragm is open to the manifold pressure. An air/fuel ratio control is installed between the turbocharger and the fuel injection pump. The air/fuel ratio control performs the following functions:
The fuel is limited on acceleration in order to prevent an overspeed condition.
The generation of black smoke is reduced.
The fuel efficiency is improved and emissions are reduced at low boost when the fuel rack is limited for low power output.The air/fuel ratio control is a nonserviceable part. Adjustment and repairs should only be done by a Caterpillar Dealer.Cylinder Head And Valves
The valves and the valve mechanism control the flow of the air and the exhaust gases in the cylinder during engine operation. The cylinder head assembly has two valves for each cylinder. Each valve has one valve spring. The ports for the inlet valves are on the left side of the cylinder head. The ports for the exhaust valves are on the right side of the cylinder head. Steel valve seat inserts are installed in the cylinder head for both the inlet and the exhaust valves. The valve seat inserts can be replaced.The valves move along valve guides. The valve guides can be replaced. The exhaust valve guide has a counterbore in order to prevent the seizure of the valve stem. The seizure of the valve stem is caused by a buildup of carbon under the head of the valve.The inlet and the exhaust valves are opened and closed by the rotation and movement of the following components:
Crankshaft
Camshaft
Valve lifters
Pushrods
Rocker arms
Valve springsThe camshaft gear is driven by the crankshaft gear. The camshaft and the crankshaft are timed together. When the camshaft turns, the valve lifters are moved up and down. The pushrods move the rocker arms. The movement of the rocker arms open the valves. The opening and closing of the valves is timed with the firing sequence of the engine. The valve springs push the


Parts fitting Mercruiser:

74036
 
74036 FITTING, GREASE - GIMBAL HOUSING (STAINLESS STEEL)
00014332, 00019003, 01207333, 01321017, 01326013, 01402414, 01407333, 02287333, 02602347, 02607333, 02608427, 08986342, 08987343, 2140208, 2165208, 2250507, 228801, 257B021JS, 260801, 30001854, 37011856, 40280002D, 40420001D, 40420002D, 40430002S, 40
49099
 
49099 FITTING
02602347, 02608427, 257B021JS, 40280002D, 40420001D, 40420002D, 40500006T, 40500010T, 40500010U, 40500120U, 4052110CR, 4231017L1, 428B116KD, 4332087N1, 4350100KS, 4350104JS, 4350104KS, 4350111HS, 4350118JS, 4350118KS, 442B110GD, 442B115KD, 4441027LE,
18923
 
18923 FITTING
40420001D, 428B116KD, 442B115KD, 4A72040ND, 4C8204DLD, 4CJ2040ND, 5000147JS, 5000150DP, 5000165CE, 5111200LP, 5120136JS, 5120150AR, 5220200AS, 5231100LP, 5C30150FS, 6020006JS, 6211001N1, 6311002NZ, 6315002NZ, 6416003N2, 6511102N1, 6811001N1
807781
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816167
 
816167 FITTING
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896332122
854153001
 
854153001 FITTING
40280001D, 40280002D, 40420002D
898272043
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