Onan CCK Series - Service Diagnosis Continued; Voltage Drops Under Heavy Load; Engine Misfires at Light Load; Engine Misfires at Heavy Load

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SERVICE DIAGNOSIS
POSSIBLE CAUSE
REMEDY
vogrAGE;DRQPSUNPEE JiEAVY LOAD
ENGINEiMIS.FffiESA T LIGHT LOAD
ENGINEMISFmE~.A'I' ijEAVY 'LOAD
Clean, adjust, or replace br,eaker
,points, spark plugs, condellser,
etc.,. or retime ignition.
Cloggedc~rburetor.
Engine ·lackspower.
Poor, compression.
Fau~ty carbuI-E)tion.
D
irtycarburetorai:r~leaner.
ChQke partially closed.
, Carbon incylindersormcar-
buretor venturi.
Restricted exhau~t .line.
Carburetor idle' jet clogged
or improperly adjusted.
Spar kplug, gaps' too na.r row ~
Intak e air leak.
Faulty ignition •..
Clean.
Adjust to correct gap.
.
Tighten. Replace gaskets if nec-
essary.
Clean,adjust,or replace breaker
pOints,spark plugs, condenser,
etc.jor retime ignition. '.
.
... See r,emedi€l')\mder ."Engme.Mis-
(it,E)s ~tEeavYLoadl' ..
'I'igbten'cyHnd er heads and spark
,plugsi···· If. still J10t corrected grind
the valves; Replace piston rings
,ifhecessary.
Check the fuelsyste:ql.Clean, ad-
just or .repair as needed. '
Clean.
Choke plate must be wide open at
operating· temperattire.
Remove carbon.
Clean or increase the size.