Westerbeke 8.0KW-60Hz Service Manual page 37

DISTRIBUTER
CHECK THE DlSmlBUTER
CAP FOR CRACKS. WEAR
AND EVIDENCE OF ARCHING
OR BlJRNING. IF ANY OF
THESE CONDITIONS EXIST.
REPLACE THE DlSmlBUTER CAP. .
3
COVER
NUMBERS INDICATE THE
SUGGESTED ORDER OF
DISASSEMBLY
1
CAP
7_
~~~.
SINK
~.
•
#~
• 8
~
.....
~
fff
BREAKER
•••... _ PLATE
""
.
.
"' "
6
" " IGNITER
5
CONNECTOR . ,
"''''
IGNITION COIL INSPECTION
Use a tester to measure the pnmary and secondary coil
resistance.
Primary coil resistance between terminals 1 and 3.
STANDARD VALUE 0.9 -1.211
a~
Secondary coil resistance between terminals 1
~
3 and
secondary terminal.
STANDARD VALUE 20 - 29kll
SECONDARY
+j~~i1
TERMINAL
IGNITION
COIL
PICK-UP ASSEMBLY
Use a tester to measure pick-up coil resistance.
STANDARD VALUE 420 - 540kll
Check that when a screwdriver is passed near the iron core
of the pick -up assembly the needle of the tester deflects.
INSTALLATION OF PICK-UP ASSEMBLY
Adjust the gap between the signal rotor and the pick-up
assembly.
STANDARD VALUE 0.05mm (.00197In)
' 5 '
g -
275,.."
oIL ,010 "
SIGNAL
DISTRIBUTOR INSTALLATION
1. Tum the crankshaft clockwise until the No.1 cylinder is a
IDC on its compression stroke.
2. Align the alignment marks on the distributor housing and
coupling.
3. Fit the distributor onto the engine. aligning the stud bolts
with the slots in the distributor mounting flange.
ALIGNMENT MARK
INSPECTING SPARK PLUGS
ALIGNMENT
MARK
Check the plugs for carbon build-up and burning. Check the
plug gap.
SPARK PLUG GAP 0.7 - 0.8mm (0.028 - 0.031In)
Engines & Generators
29