- 24 -
29
28
10
0,021 ÷ 0,059
0,10
53,0 ÷ 53,2
0,3
1,45 ÷ 2,05
Checks and overhaul
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:
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:
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.
0,16 ÷ 0,215
0,345
Fitting mm
Max. wear mm
The rods must be straight with ball shaped surfaces at the ends
and in good conditions (fig. 28).
Fitting mm
Max. wear mm
WARNING: the rod projection cannot be adjusted.
Rod length
mm
Wear limit
mm
Rod projection
mm
Workshop Manual KD500 _ cod. ED0053029390 -
1° ed
_rev.
00
