RedMax GZ25N - 6. SERVICE GUIDE; 6-1 GENERAL PRECAUTIONS

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STRATO CHARGED ENGINE  GZ25N
6. SERVICE GUIDE
6-1 GENERAL PRECAUTIONS
■ Before beginning repair work
Checkeachsystemthoroughlybeforebeginningrepairwork.Inspectfromthepointwhereitissimplestand
easiestfortroubletooccur.
Step-by-stepinspectioninthefollowingorderisrecommended.
Ignitionsystem:Fromelectricoutput(sparkplug)toelectricinput(ignitioncoil).
Fuelsystem:Fromfuelinput(fuelcap/airvent)tooutput(carburetor).
■Precautions before disassembly
Beforeperformingdisassemblyoperations,be
suretodrainallthefuel.Removealldirtanddust
fromeachpart.Thisistopreventdirtfrombecom-
ingattachedtotheimportantlocations.
Toolusage
Usetheindicatedtoolscorrectlytoavoiddamag-
ingparts.
Onlyremovethepartsthatarenecessaryfor
adjustmentorrepair,exceptwhendisassembling
foranoverhaul.
Duringdisassembly,trytomemorizethelocation
andwayeachpartisattachedtoavoiderrorsdur-
ingassembly.Labelthepartsifnecessary.
Payattentiontosmallpartsduringdisassembly
and checkcarefullyfordamage.
Becarefulwhenhandlinggasketsandoilsealsas
theycanbedamagedeasily.
Beespeciallycarefulnottolosepartsthathave
beenremoved.Arrangetheremovedpartsina
patternthatapproximatestheiractualpositionto
preventlossorerror.
Considertheassemblysequencewhencleaning
thepartsandwashtheimportantpartsfirst.
Itisimportanttodiscriminatebetweenthemain
and sub-assemblysteps.
■Assembly precautions
Assemblysequenceisreverseofdisassembly.
Usenewcleaningoilintheassemblyandwash
eachpartwhilekeepingtheassemblysequence
inmind.
Verifythefunctionofalldisassembledpartsorre
placementpartsforassembly.
Adequatelylubricateanyrevolvingorrubbing
parts beforeassembly.
Alwaysuseneworcompletegaskets.(Asa
generalrule,alwaysusenewpartsforthe
reassembly.)
Besuretoalignallassemblymarks.
Becarefulnottotightenscrewsorboltsexces-
sivelyduringassemblyastheymaybedamaged.
Note:
1.Alwaysusethecorrecttoolfortheparticular
screw,bolt,nutorotherpart.
2.Whenthereareanumberofsecuringscrews
orboltsforapart,tightenthemequallyin
analternatingsequence.
3.Tightenthenutsandboltstothespecified
torque.
4.UseLoctite#81666toreformdamaged
threadsinplasticparts.
Note:
Donotusegasolineoroiltocleanvibration
dampingrubber.