CUMMINS N14 Especificações Página 508

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General Engine Specifications (Continued)
Cooling System Metric [U.S. Customary]
Coolant Capacity (engine only) ...................................................................................... 21 liters [22 U.S. qt.]
Standard Modulating Thermostat Range:
Conventional Aftercooling .............................................................................. 82 to 93°C [180 to 200°F]
Optimized Aftercooling ................................................................................... 79 to 91°C [175 to 195°F]
Maximum Coolant Cylinder Block Pressure (Pressure Cap Removed)
Closed Thermostat ............................................................................................................ 350 kPa [50 psi]
Maximum Allowable Top Tank Temperature ........................................................................... 100°C [212°F]
Minimum Recommended Top Tank Temperature ...................................................................... 70°C [158°F]
Minimum Recommended Pressure Cap ................................................................................... 50 kPa [7 psi]
Exhaust System
Maximum Allowable Back Pressure Created by Piping and Silencer:
Hg ..................................................................................................................................... 75 mm [3 in.]
•H
2
0 .............................................................................................................................. 1000 mm [40 in.]
Exhaust Pipe Size (Normally Acceptable Inside Diameter) ....................................................... 127 mm [5 in.]
Fuel System
Note: For performance and fuel rate values, refer to the engine data sheet or the fuel pump code for the particular model
involved.
Maximum Allowable Restriction to Pump:
With Clean Filter ................................................................................................... 100 mm Hg [4 in. Hg]
With Dirty Filter ..................................................................................................... 200 mm Hg [8 in. Hg]
Maximum Allowable Return Line Restriction without Check Valves ............................. 64 mm Hg [2.5 in. Hg]
Maximum Allowable Return Line Restriction with Check Valves and/or Overhead Tanks . 165 mm Hg [6.5 in. Hg]
Electrical System
Minimum Recommended Battery Capacity
Battery Size Ambient Temperatures
-18°C (0°F) 0°C (32°F)
Cold
Cranking
Amperes
Reserve
Capacity *
Amperes
Cold
Cranking
Amperes
Reserve
Capacity
Amperes
12 Volt 1800 640 1280 480
24 Volt ** 900 320 640 240
* The number of plates within a given battery size determines reserve capacity. Reserve capacity determines
the length of time sustained cranking can occur.
** CCA ratings are based on two 12-volt batteries in series.
General Engine Specifications (Continued) Specifications
Page 18-4 NT 855
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Comentários a estes Manuais

Jesus Morales 03 Apr 2025 | 23:07:31

Perfect..