Operation and Maintenance Manual for WP2.1C/WP3.9C Series Marine Diesel
3
1.2 Specifications of Main Components
Model WP2.1C27E201 WP2.1C35E201
Injection pump
Type In-line, plunger type
Designation 4Q366 BH4Q75R8
Governor TQA Mechanical centrifugal type
Fuel supply pump Single acting piston pump
Injector
Type KBAL-P028
Designation
CDSLA 153 P 777
Nozzle diameter
5×￠0.22
Nozzle opening pressure
（MPa）
20～20.5
Lub.oil pump
Type Rotor
Rated speed（r/min）
1900
Flow rate（L/min）
15
Cooling water
pump
Type centrifugation
Rated speed（r/min） 1800
Flow rate（L/min） 45
Fuel filter
Type Spin-on, paper cartridge
Designation CX0708
Air filter
Type paper cartridge
Designation K2007
Lub.oil filter
Type Spin-on,
Full flow
Designation JX0708
Thermostat
Type Wax element type
Designation 155B
Starting motor
Designation QD138Y
Voltage（V）
12
Power supply（kW） 2.5
Generator
Designation JFWZ13
Voltage（V）
14
Power output（W） 350
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