TIMING MARKS ON BLOWER HOUSING
--
POINTER
ON TIMING
FLY
W
H
EEL
8389
TIMING MARKS ON GEAR COVER
-
VIEW
__..
THRU BLOWER WHEEL
TIMING MARKS
0
GEAR
COVER
PRESSURE
COOLED
REMOVE AIR
INTA-KE
HOSE20
VlEWTlMlNG MARKS
.
TIMING MARK
ON FLYWHEEL
VACU FLO
ENGINES:
REMOVE AIR
SHROUD
FROM
RIGHT
CYLINDER TO VIEW TIMING MARKS
IGNITION
COIL
To
test primary and secondary windings within the
ignition coil proceed as
follows:
1.
Use a Sirnpson
260
VOM
or equivalent.
2.
Place black lead on ground (-)terminal
of
coil and
red lead to positive
(+)
terminal. Primary resist-
ance should read
3.87-4.73
ohms.
3.
Change resistance setting on ohmmeter. Place
ohmmeter leads inside of spark plug cable holes
(Figure
30).
Secondary resistance should read
12,600-15,400
ohms.
4.
If any
of
the above conditions are not met, replace
coil. Refer to
PARTS
CATALOG
for correct part
number:
FIGURE 30. COILTEST
SPARK’PLUGS
Check, and regap spark plugs every
100
hours of
operation (Figure
31).
Replace spark plugs that show
signs of fouling or electrode erosion.
FIGURE
29.
TIMING
MARK
LOCATIONS
FIGURE
31.
SPARK PLUG GAP
29
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