Kohler KD440

107
105
106
10
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FUEL SYSTEM
KD 225_315_350_400_440 Workshop Manual_cod. ED0053029330_1° ed_ rev.00
Injection pump components and disassembly

1 Deliveryunion
 2Filler
3 Spring
 4Gasket
5Valve
6Gasket
7Springretainer
8Spring
9 Springplate
10Rack
11Plunger
12Pin
A=Fueloutletunion
B =Fuelintakeunion
C=Fastening
D=Barrel
E=RHhelix
Demountincompliancewiththenumericorder.
Plate9is heldrmbypins 12.Leverupbyinserting a toolbetween
theplateandthebodyofthepump.
Thevolumeshiftedbydeliveryvalve 5 is 15

mm
3
inthepumpofKD
315-350and25mm³inthepumpofKD225is21mm
3
inthepumpof
KD400/440
Injection pump, body, plunger and delivery valve
Components: Dimensionsmm:
1 Deliveryvalve  A=5.50(nominaldiam.)225-315-350
2 Barrel    A=7,00(nominaldiam.)400-440
3Plunger    A=6,00(nominaldiam.)315-350EPA
4 Righthelix   B=2.00/2.03
5Delaynotch  C=1.50/1.53
6Pumpbody
7 Collar
Note: The injection pump installed in engines for small vehicles,
soundproof generating sets, EPA and KD 400-440 engines,
arecharacterisedbytheinclusionofacollar1whichcontribu-
testonoise-reduction.
Injection pump retting
The plunger is tted with helix E facing towards the outlet union A;
ifitismistakenlyttedwiththehelixfacingtheintakecouplingBthe
injectionpumpnolongeroperates(thereisnodangerofengineru-
naway);completerettingfollowingg.107.