Westerbeke 20B TWO Tehnical Manual

Specified Value/Standard
Repair Limit
Connecting Rod
Type
Forged I-beam
Bend and twist
Within 0.002
(0.05 mm)
Big end thrust clearance
0.004 - 0.014
(0.1 - 0.35 mm)
Connecting Rod Bearing
Type Aluminum
metal with back metal
Oil clearance 0.006 (Service limit)
(0.15 mm)
Undersize
0.01,0.02
(0.25, 0.50 mm)
Crankshaft
Type Fully counterbalanced
Bend Within
0.001
(0.03 mm)
End
play
0.002 - 0.007
(0.05
- 0.175 mm)
Journal 0.0. 1.693
-0.006
(43 mm)
(-0.15 mm)
Pin 0.0.
1.575
-0.006
(40 mm) (-0.15 mm)
Under size finishing
Journal U.S.
0.25
1.6817 - 1.6823
(42.715 - 42.730 mm)
0.50 1.6719 - 1.6724
(42.465 - 42.480 mm)
Pin
U.S. 0.25 1.5636 - 1.5642
(39.715 - 39.730 mm)
0.50 1.5537 - 1.5543
(39.465 - 39.480 mm)
19
Westerbeke Engines

Westerbeke 20B TWO Specifications

General

Brand	Westerbeke
Model	20B TWO
Category	Engine
Language	English