Checking Connecting Rod Alignment; Checking Piston Ring Gap - Kubota WSM 05-E4B Series Workshop Manual

4. ENGINE
NOTE
Apply engine oil to the new small end bushing
and bore.
(B) Installing direction
3. Press-fit it with a press so that the seam (1) of
bushing positions as shown in the figure, until it
comes in contact with the connecting rod.
(1) Seam
6.27 Checking connecting rod
alignment
NOTE
• Make sure that the oil clearance of the small
end bushing is less than the service limit.
Tools required
• Connecting rod alignment tool
• Feeler gauge
1. Remove the piston pin from the piston.
2. Install the piston pin into the connecting rod.
3. Install the connecting rod on the alignment tool for
the connecting rod.
4. Put a gauge on the piston pin, and move it against
the face plate.
4-62
(C) 0.26 rad (15°)
NOTE
• If the gauge does not touch fully against the
face plate, measure the space between the
gauge pin and face plate.
• If the measurement is more than the service
limit, replace the connecting rod.
Connecting rod
Service limit
alignment
RELATED PAGE
6.25 Checking oil clearance between piston pin and
small end bushing on page 4-61

6.28 Checking piston ring gap

Tools required
• Feeler gauge
1. Put the piston ring into the lower part of the liner
(the least worn out part) with the piston.
SERVICING
6. Servicing
0.05 mm
0.002 in.
05-E4B SERIES,05-E4BG SERIES
KiSC issued 03, 2023 A