Piston Ring Gap - Kubota D1503-M Workshop Manual

03-M-E3B, 03-M-DI-E3B, 03-M-E3BG WSM

Piston Ring Gap

1. Insert the piston ring into the lower part of the liner (the least worn
out part) with the piston.
2. Measure the ring gap with a feeler gauge.
3. If the gap exceeds the allowable limit, replace the ring.
Factory
spec.
Top ring
Allowable limit
Factory
spec.
Second ring
Allowable limit
Factory
spec.
Oil ring
Allowable limit
S-88
DIESEL ENGINE
D1503-M
V2003-M
V2403-M-T
D1803-M-DI 0.20 to 0.35 mm
V2403-M-DI 0.0079 to 0.013 in.
V2403-M-DI-T
V2003-M-BG
V2003-M-T-BG
D1703-M
D1803-M
V2203-M
0.25 to 0.40 mm
V2403-M
0.0099 to 0.015 in.
D1703-M-BG
V2203-M-BG
V2403-M-BG
1.25 mm
0.0492 in.
D1503-M
D1703-M
D1803-M
V2203-M
V2403-M
0.30 to 0.45 mm
D1803-M-DI
0.012 to 0.017 in.
V2403-M-DI
D1703-M-BG
V2003-M-BG
V2203-M-BG
V2403-M-BG
V2003-M
V2403-M-T 0.40 to 0.55 mm
V2403-M-DI-T 0.016 to 0.021 in.
V2003-M-T-BG
1.25 mm
0.0492 in.
D1503-M
D1703-M
D1803-M
V2003-M
V2203-M
V2403-M
0.25 to 0.45 mm
V2403-M-T
0.0099 to 0.017 in.
V2403-M-DI-T
D1703-M-BG
V2003-M-BG
V2003-M-T-BG
V2203-M-BG
V2403-M-BG
D1803-M-DI 0.20 to 0.40 mm
V2403-M-DI 0.0079 to 0.015 in.
1.25 mm
0.0492 in.
W1032246
KiSC issued 07, 2008 A