Camshaft Timing; Camshaft - Antireverse System Kd 400-440 - Kohler KD225 Workshop Manual

8
DISASSEMBLY/REASSEMBLY
68
68a
68b
B
68c
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Camshaft timing

Fit camshaft by aligning marks' A with mark D on the crankshaft.
Camshaft – Antireverse system KD 400-440
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
A
KD 225_315_350_400_440 Workshop Manual_cod. ED0053029330_1° ed_ rev. 00
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.