Kohler KD440

68
68b
68a
68c
A
B
8
- 40 -
DISASSEMBLY/REASSEMBLY
Camshaft timing
Fitcamshaftbyaligningmarks'AwithmarkDonthecrankshaft.
itconsistsofadeviceonthecamshaftwhichliftstheintakevalvein
caseofastartupinreversedirectionwithrespecttonormalrotation.
Duringnormaloperation,thetappetovercomesthespringresistance
whilepassingonthesystemanddecompressiondoesnotoperate.
In case of a startup in reverse direction, the antireverse systemlifts
thevalveasthetappetpassesby.Startupisthusinhibited.
Note:Checktheantireversesystemforwear,andmakesureitiskept
in the rest position by the return spring, as shown in picture
68c.Verifythatinthisconditiontheclearancebetweenweight
AandsurfaceBis1mm.
KD 225_315_350_400_440 Workshop Manual_cod. ED0053029330_1° ed_ rev.00
Camshaft – Antireverse system KD 400-440