Westerbeke ATOMIC 4 User Manual

MODEL
NAME
Blue Jacket Twin
Atomic Four
Utility Four
Super-Four
Unimite Four
Arrow
Bluefin
Marlin
Tarpon
Knight
Little King
Big King
MODEL
NAME
Blue Jacket Twin
Atomic Four
Ut ility Four
Super-Four
Unimi te Four
Arrow
Bluefin
Marlin
Tarpon
Knight
Little King
Big King
MODEL
NAME
Blue Jacket Twin
Atomic Four
Utility Four
Super-Four
Unimite Four
Arrow
Bluefin
Marlin
Tarpon
Knight
L1 tt Ie King
Big King
MODEL
NAME
Blue Jacket Twin
Atomic Four
Utility Four
Super-Four
Unimite Four
Arrow
Bluefin
Marlin
Tarpon
Knight
Table 7
VALVE AND PISTON DATA
PISTON PISTON
VALVE SEAT
VALVE TAPPET VALVE
STEM
CLEARANCE
RING ANGl.E
CLEARANCE
CLEARANCE IN GUIDE
GAP
INTAKE AND
(!C I,D
EXHAUST
INT.
EXH.
INTAKE EXHAUST
.0015"
.009 -
.014"
45
0
.008" .010"
.0015 -
.002"
.0015 -
.002"
.0015"
.007 -
.015"
45
0
.008"
.010"
.001
-
.0015" •. 0015 -
.0025"
.002"
.008 - .013"
45
0
.006"
.008"
.0015 -
.002"
.0015 -
.002"
.0015"
.010 -
.015"
45
0
.010"
.012"
.0015 -
.002"
.0015 - .002"
.003"
.015 -
.020"
30
0
.010"
.010"
.001
- .0015" .0025 - .003"
.0025 - .003"
.015 -
.020"
30
0
.010"
.014"
.0025 -
.003" .0025 - .003"
.0025 - .003" .015 -
.020"
30
0
.010"
.014"
.0025
- .003" .0025 - .003"
.004
-
.0045"
.015 -
.020"
30
0
.012"
.016"
.0025 - .003" .0025 - .003"
.004
- .0045"
.015 -
.020"
30
0
.012"
.016"
.0025 - .003" .0025 - .003"
.005
-
.0055" .015 -
.020"
30
0
.012"
.018"
.0025 -
.003"
.0025 - .003"
.0006 - .001"
.010 - .020"
46
0
.010'!llt.020"
.001
- .0027" .0017 - .0034"
.0011 - .0029"
• 015 -
.025"
30
0
Int • .020"
.001
-
.0024"
45
0
Exh.
.022"
.001
- .0024"
CYLINDER HEAD
Table 8
TORQUE WRENCH TENSION
In Foot/Pounds
CONNECl'ING ROD
MAIN BEARINGS
MAIN BEAR INGS
MANIFOLD
SPARK
BOLTS OR NUTS NUTS
FRONT & INTER.
CENTER & REAR STUDS PLUGS
40 40 60
a~
33
60
25
60
55
50
100
40 42
77
60
39
70
60
39
70
65 56 70
65 56 70
65 56 70
65
33
65
95-105
45:"'50
95-105
Table 9
BEARING DATA
CONNECTING ROD
CONNECTING ROD
CRANK8W.Fl' MAIN
CLEARANCE
END PLAY
BEARING
(Diameter)
.0015 -
.0025
.002 -
.001
- .0025
.004 -
.0015 -
.0025
.002 -
.002
- .003
.002
-
.001
- .0015
.005 -
.0015 -
.002
.005
-
.0015 -
.002
.005
-
.002
- .0025 .005 -
.002
- .0025
.005 -
.0025 -
.Ooa
.005 -
.001
-
.00
2 ).008 -
.0006 -
.0026
.005 -
INLET VALVE
OPENS
50 after TDC
50 before TDC
5° after TDC
50 after TDC
50 before TDC
50 before TDC
5° before TDC
50 before TDC
50 before TDC
50 before l'DC
CLEARANCE
iDiamp.tp.r\
.003 .0015 -
.0025
.008 .001
- .0025
.003 .0015 -
.002
.003
.002
- .003
.010 .002
- .0025
.010
.0015 -
.003
.010
.0015 - .003
.010
.0015 -
.003
.010
.0015 -
.003
.010
.0015 -
.003
.014 .001
- .004
.015 .0009 -
.0029
Table 11
VALVE TIMING
INLET VALVE
CLOSES
45
0
after
LDC
a
oo
after LDC
50
after
LDC
55°
after
LDC
55
0
after
LDC
55°
after
LDC
55°
after
LDC
55°
after
LDC
55°
after
LDC
55°
after
LDC
TDC means TOP DEAD CENTER
LDC means
LOWER DEAD CENrER
See Table 7 for Valve Tappet
Clearance
-65-
60
35 35
60
35
30
60 40
35
100
45
35
77 35
30
60
30
60
30
60
30
60
30
60
30
65 30
23
95-105
23-28
15:"20
CRANKSH!Fl' THRUST CAMSH!Fl' BEARING
CLEARANCE
AT
CLEARANCE
THRUST BEARING
(Diameter)
.002 - .003 .0025 -
.003
.002 - .003
.002
- .0025
.002 -
.003 .0025 -
.003
.003
-
.004
.0025 -
.003
.002 -
.004 .0015
- .0025
.002 -
.004
.0015 -
.0025
.002 -
.004
.0015 - .0025
.002 -
.004
.0015 -
.0025
.002 -
.004
.0015 -
.0025
.002 -
.004
.0015
- .0025
.002 -
.006
.0015 -
.0035
.004 -
.008 .001
- .003
EXHAUST
VALVE
EXHAUST VALVE
OPENS
CLOSES
40
0
before
LDC
TDC
45°
before
LDC 10
0
after
TDC
40
0
before
LDC
TDC
50
0
before
LDC
TDC
45
0
before
LDC
15°
after
TDC
45°
before
LDC
15°
after
TDC
45
0
before
LDC
15°
after
TDC
45°
before LDC
15°
after
TDC
45°
before
LDC
15°
after
TDC
45°
before
LDC
15°
after TDC

Westerbeke ATOMIC 4 Specifications

General

Brand	Westerbeke
Model	ATOMIC 4
Category	Engine
Language	English