9.7 Cylinder head unit assembly
9.7.1 Valve stem gasket
Important
๏ท
Carry out the checks described in Par. 8.6.4 before
proceeding with the following operations.
๏ท
Lubricate the oil seals A on the inside.
1.
Fit the oil seals A on the valve guides B using the tool
ST_08 .
9.7.2 Electronic injector sleeves
(
)
1.
Insert the seals C in the seats of the sleeve D .
2.
Insert the seal E with the convex side facing upward at
the base of the sleeve D .
3.
Lubricate the gaskets C .
4.
Insert and carefully screw the sleeve D into the seat of
the head F .
NOTE: The sleeve D must not protrude above the surface of the
head BF .
5.
Clamp the sleeve D (tightening torque at 30 Nm ).
9.7.3 Electronic injectors projection
1.
Insert the electronic injector G inside the sleeve H .
2.
Mount the rocker arm pin fixing screw L up to the stop.
3.
Mount the electronic injector fixing bracket M and secure
it with the screw N , without performing the calibration.
4.
Check using ST_03 tool (Fig. 9.44) , the projection of the
injector, which must range between 1.68 รท 2.42 mm.
NOTE : if the value detected does not correspond, replace gasket
Q with a different thickness.