369-00021-0 Tohatsu PISTON PIN

Table 1
Parameter     3612     3616    
Engine speed    800 rpm    1000 rpm    800 rpm    1000 rpm    
Engine output ( 3%)     3400 bkW     4250 bkW     4500 bkW     5650 bkW    
Maximum firing pressure     -     165 bar     -     165 bar    
Brake mean effective pressure     23 bar     23 bar     23 bar     23 bar    
Mean piston speed     8 m/s     10 m/s     8 m/s     10 m/s    
Idle speed     300 to 400 rpm     300 to 400 rpm     300 to 400 rpm     300 to 400 rpm    
Counterclockwise firing order     1-12-9-4-5-8-
11-2-3-10-7-6     1-2-5-6-3-4-9-10-
15-16-11-12-13-14-7-8    
Clockwise firing order     1-6-7-10-3-2-
11-8-5-4-9-12     1-8-7-14-13-12-11-
16-15-10-9-4-3-6-5-2    
Combustion Air System    
Air flow at 100% load ( 5%)     336 m3/min.     417 m3/min.     430 m3/min.     545 m3/min.    
Maximum air temperature at the air cleaner     45°C     45°C     45°C     45°C    
Air temperature (after the aftercooler) alarm     92°C     92°C     92°C     92°C    
Charge air pressure at 100% load ( 10%)     -     2.77 bar     -     2.77 bar    
Maximum inlet air restriction     380 mm H2O     380 mm H2O     380 mm H2O     380 mm H2O    
Exhaust Gas System    
Exhaust gas flow at 100% load ( 6%)     697 m3/min.     975 m3/min.     911 m3/min.     1254 m3/min.    
Exhaust port temperature alarm     550°C     550°C     550°C     550°C    
Exhaust manifold temperature at 100% load     -     610°C     -     598°C    
Exhaust manifold temperature (before turbine) alarm     650°C     650°C     650°C     650°C    
Exhaust stack temperature at 100% load ( 8%)     357°C     440°C     372°C     478°C    
Exhaust stack temperature alarm     550°C     550°C     550°C     550°C    
Maximum exhaust back pressure     254 mm H2O     254 mm H2O     254 mm H2O     254 mm H2O    
Heat Balance at 100% Load (45°C Air, 32°C Sea Water)    
Total heat rejected to sea water     2026 kW     2559 kW     2683 kW     3334 kW    
Exhaust gas ( 10%)     2547 kW     3981 kW     3596 kW     5083 kW    
Radiation ( 10%)     160 kW     216 kW     212 kW     279 kW    
Fuel System    
Maximum pump suction restriction     -.39 bar     -.39 bar     -.39 bar     -.39 bar    
Maximum return line back pressure     3.5 bar     3.5 bar     3.5 bar     3.5 bar    
Manifold pressure at 100% load     4.3 to 6.8 bar     4.3 to 6.8 bar     4.3 to 6.8 bar     4.3 to 6.8 bar    
Supply flow rate for pipe sizing ( 5%)     68.8 L/min     78.5 L/min     68.8 L/min     78.5 L/min    
Return flow rate for pipe sizing ( 5%)     53.2 L/min     60.1 L/min     48.6 L/min     55.2 L/min    
Brake specific fuel consumption with jacket water pump and aftercooler/oilcooler pump ( 3%)     199.6 g/kW-hr     203 g/kW-hr     197 g/kW-hr