Kubota EA330-E4 Series Workshop Manual page 102

EA330-E4, WSM
Piston Ring and Connecting Rod
1. Remove the piston rings with a piston ring tool.
2. Put the parting mark (8) on the piston head as shown in the
photograph.
3. Remove the piston pin (7), and separate the connecting rod (6)
from the piston (1).
(When reassembling)
• Clean all the parts before assembling.
• When installing the ring, assemble the rings so that the
manufacturer's mark R near the gap faces the top of piston.
• When installing the oil ring onto the piston, place the expander
joint (10) on the opposite side of the oil ring gap (11).
• Apply engine oil to the piston pin, and insert it to the piston.
• When installing the connecting rod to the piston, align the
stamped mark (9) on the connecting rod to the parting mark (8).
(1) Piston
(2) Top Ring
(3) Second Ring
(4) Oil Ring
(5) Piston Pin Snap Ring
(6) Connecting Rod
(7) Piston Pin
1-S37
ENGINE
(8) Parting Mark
(9) Mark
(10) Expander Joint
(11) Oil Ring Gap
(12) Manufacturer's Mark
(a) 3.14 rad (180 °)
9Y1211018ENS0054US0
KiSC issued 05, 2015 A