Kohler KD 500 Manuale d'officina - Pagina 24
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10
Checks and overhaul
28
29
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Tapets and rocker arms
Make sure that there is no wear, scoring or signs of seizure
on the surfaces of the tappets (fig. 28). Replace the parts if
necessary.
Tapet and housing coupling play:
Fitting mm
0,16 ÷ 0,215
The rods must be straight with ball shaped surfaces at the ends
and in good conditions (fig. 28).
Injection pump tappets and pads
Replace the parts if the wear on their surfaces exceeds 0.1 mm
(fig. 29).
Coupling play between the tappet and relative housing in the
crankcase:
Fitting mm
0,021 ÷ 0,059
Fuel pump (optional)
Check the projection of the AC pump rod in relation to the engine
casing surface with the canshaft eccentric in the non-operative
position.
Rod length
mm
53,0 ÷ 53,2
WARNING: the rod projection cannot be adjusted.
Workshop Manual KD500 _ cod. ED0053029390 - 1° ed_rev. 00
Max. wear mm
0,345
Max. wear mm
0,10
Wear limit
Rod projection
mm
mm
0,3
1,45 ÷ 2,05