Mitsubishi 6M70 Workshop Manual page 73

Special tools
Mark
Piston ring tool
Connecting rod bushing
puller kit
Removal procedure
Inspection procedure
Tool name and shape
Removal: Piston ring
Removal: Piston pin
• Remove the piston pin by striking it with a rod and hammer.
• If the piston pin is difficult to remove, first heat the piston in hot
water or with a piston heater.
Inspection: Mitsubishi 6M70 Piston ring end gap
• Using the crown of a piston, push the piston ring horizontally into
a cylinder in the crankcase until it reaches the lower part of the
cylinder liner, where there is relatively small wear.
• Taking care not to move the piston ring, measure the end gap.
• If the measurement exceeds the limit, replace all the piston rings
as a set.
Part No.
Removal and installation of piston
31191-02900
rings
Removal and installation of connect-
MH062185
ing rod bushings
11
Application
11-63