Westerbeke W-46 - Page 109

ENGINE SPECIFICATIONS W~46
Valve Arrangement '
Valve Timing
Valve Clearance (Intake and
Exhaust- Cold), in inches (rnrn)
Starter
Overhead
Intake - Open 30" BTDC
Close so· ABDC
Exhaust - Open 74" BBDC
Close 30• ATDC
0.009 - 0.010 (0.25)
12-Volt reduction type
1.6 KW
FUEL SYSTEM
Fuel Lift Pump
Capacity, in qts.(cc)
Fuel Lift Capacity, in ft. (m)
Fuel Injection Timing
Fuel Injection Pump
Type
Fuel Injectors
Injection Pressure, in psi (kg/cm2)
Fuel Filter
12-Volt plunger type, replace-
able filter element.
0.23 (225) free flow every fif-
teen seconds or better.
4 (1.2)
23• .::!:.1 BTDC
DPA Injection Pump
J3942F580 (late)
J3942F490 (early)
Distributor type, automatic
advance with mechanical gover-
nor. Self bleeding.
Bosch type, spray angle
0 degrees
+ 142 +10
1706 - 0 (120 - 0)
Spin-on- replaceable paper
element type i24363.
LUBRICATION SYSTEM
Oil Pump
Oil Pressure, in psi (kg/cm2)
(continued)
Trochoid type
Idle 20-30 (1.75 - 2.46)
Idle-rated rpm 30-60(2.46-4.21)
Engines & Generators
107