Mitsubishi 6M70 Workshop Manual page 76

PISTON, CONNECTING ROD AND CYLINDER LINER
11-66
Installation: Mitsubishi 6M70 Piston and connecting rod
• When the piston and connecting rods are replaced, install each
part as follows;
• Select all the connecting rods with the same weight mark on the
same engine (''A to H'', ''J to M'').
• Apply engine oil to the piston pin, and assemble the piston and
connecting rod with their marks facing in the illustrated direc-
tions.
" ":Front mark
• If the piston pin is difficult to insert, first heat the piston in hot wa-
ter or with a piston heater. Then, install the piston.
Installation: Mitsubishi 6M70 Piston rings
• With the manufacturer's marks (found near the piston ring end
gaps) facing up, install the piston rings so that the end gap of
each ring is positioned as shown in the illustration.
A: 1st compression ring end gap
B: 2nd compression ring end gap
C: Oil ring end gap
D: Oil ring expander spring end gap
" ": Front mark on piston
The manufacturer's marks are present only on the 1st and 2nd
compression rings.