MainBearingCap

MAIN GENERATOR DIESEL ENGINE
Type :Vertical,Single Action,4-Cycle,Direct Injection, Water
Cooled Diesel Engine with Turbo-charger and Air Cooler
Model :6N18AL-DV
Rated :Output/Revolution 500 kW (680 PS) / 900 min-1(rpm)
No. of Cylinder :6 (In-Line)
Cylinder Bore / Stroke :180 mm / 280 mm
Mean Effective Press. :1.560 MPa (15.91 kgf/crrl)
Mean Piston Speed :8.40 m/s
Max. Combustion Press. :17.65 MPa (180 kgf/crrl)
Over Load :10% Over Load : 60min. (Every 12 hours)
Direction of Rotation :Counter clock Wise (as viewed from Flywheel Side)
Firing Order :1-4-2-6-3-5-1 (Interval : 120° )
Cylinder Block :Cast iron -Monoblock casting and having underslung main bearing cap.
The air duct, cooling water and lub. oil passages are integrated in block.
Cylinder Liner :Special cast iron -Wet type
Cylinder Head :Cast iron Fuel injection valve in center, indicator valve on head cover.
4-valve type consisting of 2 suction valves and 2 exh.valves
Exh. valve seat rings and nozzle sleeve are cooled by F.W.
Exhaust valves are made of Nimonic
Piston :Special cast iron Monoblock casting and forced oil cooling. Top and second
ring grooves are treated with laser hardening.
Ring's arrangement is two comoression rings and one oil ring.
Piston Pin :Special steel -Floating type
ConnectingRod:Forged steel -Die-forged, with pis!on pin metal made of leaded bronze with
Rod steel back metal at small end and processed with serration at
matching faces of large end.
Main Metal & Crankpin metal :Aluminum Alloy -Bearing by aluminum alloy with
steel back metal
Crankshaft :Forged steel -Monoblock forging and bearing parts are treated with
induction hardening and polishing finish.
Camshaft :Forged steel -Split type, monoblock forging of cam and shaft.
Common bed :Carbon steel -Welding structure. and making use of lub. oil sump.
Cylinder block
Provided with side covers on both the operating side and the non-operating side, the cylinder block is a duplex wall structure made of casting integrating the boost air manifold (boost air chamber), main lubricating oil pipe and main cooling water pipe.
Special Tools preparations
-Measuring tool
Outer Micrometer / Bore Gauge / Dial Gauge / Magnet Base / Deflection Gauge
-Assembling tools
Torque wrench / Angle Gauge / Lifting tool(need to order) / Chain block / Wire sling etc…
TOOL (Example)
a.CHAIN BLOCK3TON.4pcs
b. CHAIN BLOCK2TON.4pcs
c. CHAINBLOCK1TON.4pcs
d. WIRE SLING5t.19mm .2.5m.4pcs
e. WIRE SLING3t.16mm .2.0m.4pcs
f. SOFT SLING 3t.2.0m .6pcs
g. SOFT SLING2t.2.0m .6pcs
h. OMEGA SHACKLES5 TONS -6 pcs
i. OMEGA SHACKLES3 TONS -4 pcs
j. MAGNETIC STAND WITH DIAL GAUGE
k. DEFLECTION GAUGE (must be in good order) .
l. EYE PAD -15 pcs
m. HAND TOOLS
n.EYE BOLT FOR FLYWHEEL REMOVAL
o.CYLINDER BLOCK BRACKET AND DISTANCE PIPE -2 set
p.CYLINDER BLOCK STAND(700-800mm)-4 pcs
q. WOOD STAND