Mitsubishi 4G1 Service Manual page 369

Notch
Rocker arm shaft "6"
arm
shaft "A"
Cap No.
Rocker arm
Oil hole
shaft (A)
- - - - -
Rocker arm shaft (B)
INSPECTION
ROCKER ARM
(1) Check the roller surface and replace the rocker arm if
recesses, damage or heat seizure is observed.
(2) Check roller rotation and replace the rocker arm if uneven
rotation or roller backlash is observed.
(3) Check the inside diameter and replace the rocker arm if
damage or seizure is observed.
ROCKER ARM SHAFT
(1) Check the rocker arm mounting portions of the rocker arm
shafts for wear or damage. Replace as necessary.
(2) Check to ensure that the oil holes are clear.
REASSEMBLY SERVICE POINT
ROCKER ARM SHAFT INSTALLATION
(1) Install the rocker arm shafts "A" and "B" to the camshaft
bearing cap No.1 and insert the bolts into the holes of the
bearing cap and shafts.
(2) Install the rocker arm shafts with the notched side facing
the bearing cap No.1 and the oil grooved side facing
downward. The shaft with a smaller oil hole is the rocker
arm shaft "A".
I