Subaru XT 1988 Service Manual page 261

Engine lubricating system
RH
Fig. 2
ENGINE LUBRICATION SYSTEM
HLA gallery
(Hydraulic lash
adjuster)
Cam support
Oil bypass valve
Oil pressure switch
Cyl inder block
3
connecting
rod
connecting
rod
Cylinder
head
O-ring
2-4
Cam case
~
...
~
l:: .....
...
+-
.....
LH
L2-064