Westerbeke 20B TWO Tehnical Manual page 22

Specified Value/Standard RepairUmit
Main Bearing
Type Aluminum metal with back metal
Oil clearance (No.2: Flanged metal)
Under size 0.01,0.02
(0.25, 0.50 mm)
Camshaft
Driving method Gear drive
Front journal Ball bearing
Journal to cylinder block hole clearance 0.006 (Service limit)
(0.15 mm)
Major diameter of cam (IN and EX) 1.078
(27.37 mm)
Oil clearance 0.006 (Service limit)
(0.15 mm)
Injection Pump Camshaft
Driving method Gear drive
Bearing Ball bearing (front and rear)
Major diameter of cam 1.18
(30 mm)
Tappet
0.0.
0.75
(19 mm)
Tappet to cylinder block clearance
0.006 (Service limit)
(0.15 mm)
Push Rod
Bend
Within 0.0118
(0.3 mm)
Westerbeke Engines
20