Engine Information & Engine Components and Systems

Basic Engine Info  Shaft Horsepower shp W/Turbo  Four Stroke  Eight Cylinders  Right Hand Rotation  Starboard Shaft Rotation - Clockwise  Port Shaft Rotation - Counter Clockwise

Engine Model  VT-903M  V - Block Configuration  T - Turbo Charged  Cubic-inch displacement  M - Marine Version

Fluids  1. Engine Oil - 15w40  2. Jacket Water - Antifreeze / Green stuff  3. Raw Water / Cooling Water- - Salt water / Fresh water {Lakes}  4. Fuel - #2 Diesel – Fuel Capacity at 100% gallons – Fuel Capacity at 95% gallons

Temps & PSI’s  Tachometer: rpm at idle 2300 rpm at cruising  Engine Oil PSI: at idle at cruising  Marine Gear PSI: not engaged engaged  Water Temp: degrees Cruising

MARINE GEAR OIL PRESSURE psi ENGINE LUBE OIL PRESSURE JACKET WATER TEMPERATURE Degrees RPM GAUGES

Marine Gear  MG-509  2:1 ratio  Come Home Device {Starboard Engine Only}  Fluid: 9250 = {40wt oil}  M/G Oil Capacity: 10 qts in M/G / 11 qts total

Marine Gear  INDICATING SIGNS –Cruising PSI? WHEN YOU GO TO USE IT, ITS NOT THERE. - Low Oil Pressure

Main Propulsion Cooling System  1} Sea Chest  2} Sea Chest Vent  3} Duplex Strainer  4} Raw Water Pump  5} Heat Exchanger  6} M/G Oil Cooler  7} Deicing Valves and Lines

Main Propulsion Cooling System  8} Exhaust Riser  9} Exhaust Flexible Flange  10} Exhaust Pipe  11} Muffler  12} Exhaust Pipe End

Sea Chest Vent Valve Sea Chest STBD Eng.R/W Supply valve Port Engine Raw Water Supply Valve Bilge Pump De-Icing Valve Sea chest Vent Ck Vlv

Duplex Strainer

Port Engine Raw Water Flow

Flow to Marine Gear Cooler R/W Pump Heat Exchanger

Marine Gear Oil Cooler Raw Water Flow Hot Start

Port Exhaust Riser STBD Exhaust Riser From M/G Cooler

Port Exhaust Riser STBD Exhaust Riser

Exhaust Raw Water Flow

Raw Water flow Exhaust gases Muffler Lazarette

Jacket Water Cooling and Heating System  1} Jacket Water Pump  2} Heat Exchanger  3} Pilothouse Defroster Supply Line  4} Pilothouse Defroster Return Line  5} Passenger Compartment Heater Supply Line  6} Passenger Compartment Heater Return Line

J/W Cooling and Heating System Cont.  7} Lube Oil Cooler  8} Hot Start  Antifreeze Capacity  12 Gallons

High Water Temp Gauge

Heat Exchanger

Jacket Water Pump

Defroster Htr Supply Defroster Htr Return

Defroster Heater Supply Defroster Heater Return

Fwd Compt. Pass Htr Supply Fwd Compt. Pass. Htr. Return J/W lines from Port Engine

Fwd Compt. Heater

Hot Start

HIGH WATER TEMPERATURE  INDICATING SIGNS AMBER LIGHT ALARM BELL SOUNDS GAUGE READS ABOVE 205  --CRUSING J/W TEMP?

Lubrication Oil System  1} Lube Oil Pump  2} Lube Oil Cooler  3} Lube Oil Filter  Lube Oil Capacity  5 gallons in sump / Total of 6 gallons due to filter and lines

LUBRICATING SYSTEM  INDICATING SIGNS RED LIGHT BELL RINGING Pressure Gauge {0 – 30 Disabling Casualty} - CRUSING PSI?

Lube Oil Psi Gauge

Lube Oil supply to filter Lube Oil Return to Engine L/O Filter

Lube Oil Cooler Lube Oil Dipstick

Marine Gear (Reduction Gear)  1} Dipstick  2} Linkage  3} M/G Oil Pump  4} “Come-home” Access Plugs  5} Oil Strainer  6} Selector Valve  7} Shaft  8} Oil Breather Cap  9} Sump Drain Plug

Marine Gear Oil Psi Gauge Rpm Gauges

Spider Gear

Rear of Engine “Flywheel”

Larry CurlyMoe The Three Marine Gears

M/G Lube Oil pump Selector Valve M/G Lube Oil Strainer M/G Oil Breather Cap Dipstick

Selector Valve M/G Oil Strainer M/G Oil Pump

Come - Home Access Plug

Steering System  1} Steering Wheel  2} Helm Pump  3} Quick release Push pins  4} Tie Rod Bar  5} Rudder Arms  6} Rudder Post  7} Rudder Blade  8} Rudder Stop  9} Emergency Tiller

Helm pump

Hydraulic Hose Bkhd 6

Hydraulic Hose Bkhd 10 STBD side

Hydraulic Ram

Tie Rod Bar

Rudder Stop Rudder Arm Rudder Post Quick Release pin

Emergency Tiller

Fuel System  1} Fuel Tanks  2} Suction Valves  3} Fuel Filters  4} Fuel Return Check Valves  5} Stripping Valve  6} Priming and Stripping Pump  7} Hand Pump check valves  8} Fuel Sightglass  9} Fuel Pump

Fuel Tanks

Fuel Oil Hand priming and Stripping Pump Check Valve Stripping Valve

Racor Fuel Oil Filter Housing

Fuel Sightglass Fuel Pump

Throttle Cable to Fuel Pump

Fuel Oil Return Ck Valve Restricted orphus

Fuel Oil Cooler

Fire Main System  1} Sea Chest  2} Simplex Strainer  3} Power Take-off {PTO}  4} Fire Pump  5} Power Take-off Handle  6} Fire Main Riser  7} Tri-Gate  8} Fire Main Pressure Gauge

Fire Main System  The pump is rated to deliver 250 gallons per minute at psi {produced by 1000 main engine RPM.}

Sea Chest Fire Pump Raw Water Supply Valve

Fire Pump Fire Main Strainer

Suction Discharge To Tri-gate

PTO Handle

PTO PTO Handle

Fire Main Pressure Gauge

Fixed Fire Extinguishing System  1} Halon 1301 Bottle  2} Thermal Sensors  3} Discharge Nozzle  4} Fuel Shut-off Cylinder

Halon Bottle Halon Piping to E.R.

Thermal Sensor

Halon Discharge Nozzle Halon Piping

Halon Shut-down Cylinder

Halon Shutdown Cylinder Fuel Sightglass

Review  What is the capacity of oil, in gallons, in the sump of a VT903M? 5 gallons {6 gallons total oil is in the lines and Filter}

Review  What color lights are on the console? Red / Amber {Yellow} What is the Lube Oil Pressure at Cruising? psi

Review What is the capacity of the engine Jacket water system? 12 gallons What cools the Jacket Water? Raw Water What is the fuel capacity of the 41’ UTB at 95%? gallons

Review  At what temperature will the engine room thermal sensors activate the alarm? 190 degrees What is the Jacket Water temperature at Cruising? degrees