Onan CCK Series - Service Diagnosis Continued; Pinging Sound Under Load; Tapping Sound Diagnosis; Hollow Clicking Sound on Cool Engine

'
, '"Install larg~J.'0r extra wires or
'
, ' .
Valve ciearancetppgreat.
Broken ,valve spring.
HOLLOW CLICKINGSQVNDWITH COOL EN6INE UNDER LOAD
VOLTAGE
,LOW ATE.AREND OF LINE BUT NO~MAL
Too small·1ine wire ue;ed Jqr load
and distance.
reduce load.
MoTORSRUNTOOSLOWL-yAND OyERHEATAT FAR END OF
.' LINE BUT OKNEA,RTH'EPLANT
Too small line wire used. for
,load and distance.
. redu,ce load.;'
SERVICE D14GNOSIS
POSSIBLECA USE '
. Carbon.incylinders.
Spark advancedtoofar.
Spark, plug burn.ElI'19rCllf,boned.
",REMEDY
Ren:ioY~'~Mcarbon.
, Resetbr~~e:r points or retime
ignitiorl~
In$~allcOfrect spark plugs. '
Clean. 'Install
newplugifneces~
sary. '
Adjust
tappet clearance.
Fuel staleQ:r lOW,octane.
. ,
Lea,nfuel' mixture.
Engine hot.
,
'""
Use good,fresh fuel.
iCIeanfuel,~ystem. " Adjust car ..
buretor jef/i.l.properly.
Check
air,~!rculation.
AdjusttoProper clearance.
. Install new spring;
, ,
If,n8is~;i~ir,6riiYS1ight and disap-
Rt?~rs'When'engine warms ,up, no
~rnediate attention needed.Other-
wise replace parts' necessary.
NEAR PLANT
In,13tall lar g~r or extra w ir es . or
.