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Engine - Engine and crankcase
Engine - Static description
The engines are with 4 cylinders (TT75) and 3 cylinders (TT55), naturally aspirated (TT65) 3 cylinder with turbo charger Both engines feature cross flow cylinder with the inlet and exhaust manifolds opposite sides the cylinder The fuel and air combustion takes place the specially designed bowel the crown the
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Cylinder head assembly
The cylinder head incorporates valves and with the valve rocker arm shaft assembly bolted the cylinder block through the cylinder Cylinder head retaining bolts are evenly spaced with a six - point pattern around each cylinder , this ensures even clamping load across the cylinder head.
The intake and exhaust manifolds are bolted the The intake manifold mounted the right - hand side the with the diesel injectors mounted outside the rocker cover The exhaust manifold mounted the left side the
W ater outlet connections and thermostat being attached the front the cylinder block directly behind the radiator
V alve guides are inserted into the cylinder and Special replaceable cast alloy valve seats are pressed into each valve port during over size valve seats guides are
All valves are fitted with positive value valve clearance maintained adjustment the self locking justing screw , mounted each the rocker
Camshaft assembly
The camshaft runs 3 replaceable The camshaft drive gear mesh with and driven the camshaft idler gear which driven the crankshaft timing gear
Camshaft end thrust controlled a thrust plate bolted the and located between the camshaft gear and the front camshaft journal.
A helical gear integral rear cam and drives the engine oil lubrication pump mounted forward the flywheel.
Cylinder block assembly
The cylinder block alloy cast iron with deep cylinder skirts & water jackets for cooling the cylinders. The cylinder bores are machined integral with the cylinder during the manufacturing Cylinders are line and vertical and numbered from 1 3 4 from front the engine the rear
The oil which attached the bottom the cylinder the reservoir for the engine oil lubrication
A cast iron engine front cover and front plate attached the front the engine and covers all the timing gear assembly
Crankshaft assembly
The crankshaft supported the cylinder block 5 and 4 main bearings TT75 and TT55 engines respectively
The crankshaft manufactured from steel with machined finished crank
End thrust controlled a thrust bearing incorporated the centre main bearing the crankshaft TT75 engine and the second main bearing from flywheel side TT55 / TT65
A dynamic balancer fitted and driven crankshaft ensure smooth running
Front and rear crankshaft oil sealing fected one piece seals that are designed for long and durable service