Oil Filter Joint; Oil Clearance Inspection - Mazda 121 Workshop Manual

ASSEMBLY
-,.--'-)
sEcoNo
- / D
O I L F I N G
SPACEF ENOS
PISTON
OIL RING
OIL FING
PISTON
SECOND
RING
2. Verify that both rails are expanded by the spacertangs as
shown in thefigure by making certain the railsturn smoothly
in both diections.
Caution
. The rings must be installed wlth the R marks
upward.
. The second ring musl be installed with the sclaper
face downward.
3. Apply clean engine oil to the top and second piston rangs
4. Install the second ring to the piston; then install the top ring.
Use a piston ring expander (commercially available).
PLASTIGAGE
5. Position the end gaps of the rings as shown in the figure
Oil Filter Jolnl
Install the oil filter ioint so that il protrudes as specified.
Prolrusion: 19mm (0.75 in)
Crankshaft
1- Beiore installing the crankshaft, inspect the main bearing
oil clearances as follows.
Oil clearance inspection
(1) Remove all toreign materjal and oil from the journals and
Deallngs.
Caution
. Install the gtooved upper main bearings in the cyF
inder block.
. lnstall the thrust bearings with the oil groove fac'
Ing the crankshaft.
B-63