Checking Clearance Between Piston Ring And Ring Groove - Kubota D1803-CR-E4 Workshop Manual

4. ENGINE
2. Measure the ring gap with a feeler gauge.
NOTE
• If the ring gap is more than the service limit,
replace the ring.
Service speci-
fication
Top ring
Service limit
Service speci-
fication
Second ring
Service limit
Service speci-
fication
Oil ring
Service limit
4-176
0.20 to 0.35 mm
0.0079 to 0.013 in.
1.25 mm
0.0492 in.
0.30 to
D1803-CR-E4 0.45 mm
V2403-CR-E4 0.012 to
0.017 in.
D1803-CR-
TE4
D1803-CR-
TIE4 0.40 to
V2403-CR- 0.55 mm
TE4 0.016 to
V2403-CR- 0.021 in.
TE4BG
V2403-CR-
TIE4
1.25 mm
0.0492 in.
0.20 to
D1803-CR-E4 0.40 mm
V2403-CR-E4 0.0079 to
0.015 in.
D1803-CR-
TE4
D1803-CR-
TIE4 0.25 to
V2403-CR- 0.45 mm
TE4 0.0099 to
V2403-CR- 0.017 in.
TE4BG
V2403-CR-
TIE4
1.25 mm
0.0492 in.
D1803-CR-E4,D1803-CR-TE4,D1803-CR-TIE4,V2403-CR-E4,V2403-CR-TE4,V2403-CR-TE4BG,V2403-CR-TIE4
7.29 Checking clearance between
piston ring and ring groove
Tools required
• Feeler gauge
1. Clean the rings and the ring grooves, and install
each ring in its groove.
SERVICING
7. Servicing
KiSC issued 12, 2018 A