WEICHAI WP3.9C - Page 6

Operation and Maintenance Manual for WP2.1C/WP3.9C Series Marine Diesel 
4
Model WP3.9C53E1 WP3.9C61E1
Injection pump Type In-line, plunger type
Injector
Type KBAL-P028
Designation
P-Type, Porous type
Nozzle opening pressure
（MPa）
24～25
Fuel filter
Type Spin-on, paper cartridge
Designation CX0710T
Lub.oil filter
Type Spin-on, Full flow
Designation JX0814ZC
Lub.oil pump
Type Gear type
Rated speed（r/min）
1900
Flow rate（L/min）
15
Cooling water
pump
Type centrifugation
Rated speed（r/min） 3000
Flow rate（L/min） 200
Voltage（V） 12
Power supply（kW） 3.8
Generator
Designation JFWZ13
Voltage（V） 14
Power output（W） 350
Glow pulug
Designation 2DRS-10-24-105A
10-12-105
Voltage（V） 24 12
continuous working
period(s)
＜30 ＜30
Thermostat
Type Wax element type
Designation JWQ-1039-76K
Lub.oil
cooler
Type
Disk stack type
Designation 28Z2