Kohler KD440

116
117 118
10
119
- 58 -
KD
315
350
400
440
KD
225
FUEL SYSTEM
Injection advance adjustment
InjectionadvancebeyondthethicknessofgasketAisdeterminedby
thethicknessofthepadinsidetheinjectiontappet.
Toalterthevalueofinjectionadvancethepadmustbereplacedwith
anotherofasuitablethickness(seeg.117-118).
ToextractpadB,usearodwithasuctioncapormagnetatoneend.
The replacement pads supplied have 10 different thicknesses
(between4.0and4.9mm).
Toalterthevalueofinjectionadvancethepadmustbereplacedwith
anotherofasuitablethickness(seeg.117-118).
If reference point B does not coincidewith A followthe examples in
g.117-118.
1)Exampleofdelayedinjectionadvance(g.117):tomakeB match
upwithA,replacethepadwithathickerone(g.116).
2) Exampleofearlyinjectionadvance(g.118):tomakeBmatchup
withA,replacethepadwithathinnerone(g.116).
Note: When the thickness of the pad varies by 0.1mm under the
pump,Bisdelayedorbroughtforwardby1°ontheywheel.
Injector
Components:
1Body
2 Union
3 Adjustingshim
4 Spring
5 Pressurerod
6Pin
 7Nozzle
8 Nozzlecup
9 Needlevalve
10Tip
11Duct
12Returnhole
Afterre-assembly,tightenringnut8toa50Nmtorquevalue.
KD 225_315_350_400_440 Workshop Manual_cod. ED0053029330_1° ed_ rev.00