Checking Connecting Rod Alignment; Checking Piston Ring Gap - Kubota D1803-CR-E4 Workshop Manual

SERVICING
7. Servicing
(1) Seam
NOTE
• When replacing the small end bushing,
select the cylinder head gasket thickness to
meet with the top clearance.
RELATED PAGE
4.29 Selecting cylinder head gasket on page 4-111
7.1 Checking cylinder head top clearance on page
4-162
7.27 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 of
the connecting rod.
4. Put a gauge on the piston pin, and move it against
the face plate.
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.
• When replacing the connecting rod, select
the cylinder head gasket thickness to meet
with the top clearance.
Connecting rod
Service limit
alignment
D1803-CR-E4,D1803-CR-TE4,D1803-CR-TIE4,V2403-CR-E4,V2403-CR-TE4,V2403-CR-TE4BG,V2403-CR-TIE4
(C) 0.26 rad (15°)
0.05 mm
0.002 in.
RELATED PAGE
7.25 Checking oil clearance between piston pin and
small end bushing on page 4-173
4.29 Selecting cylinder head gasket on page 4-111
7.1 Checking cylinder head top clearance on page
4-162

7.28 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.
4. ENGINE
4-175
KiSC issued 12, 2018 A