Clearance Between Piston Ring And Groove - Kubota D1503-M Workshop Manual

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

Clearance between Piston Ring and Groove

1. Clean the rings and the ring grooves, and install each ring in its
groove.
2. Measure the clearance between the ring and the groove with a
feeler gauge or depth gauge.
3. If the clearance exceeds the allowable limit, replace the piston
ring.
4. If the clearance still exceeds the allowable limit with new ring,
replace the piston.
Factory
spec.
Top Ring
Allowable limit
Factory
spec.
Second ring
Allowable limit
Factory
spec.
Oil ring
Allowable limit
(A) D1503-M, D1703-M, D1803-M
V2003-M, V2203-M, V2403-M
V2403-M-T
D1703-M-BG, V2003-M-BG
V2003-M-T-BG, V2203-M-BG
V2403-M-BG
S-89
DIESEL ENGINE
D1803-M-DI 0.050 to 0.090 mm
V2403-M-DI 0.0020 to 0.0035 in.
0.20 mm
0.0079 in.
D1503-M
D1703-M
D1803-M
V2003-M
V2203-M
V2403-M
0.0930 to 0.128 mm
V2403-M-T
0.00367 to 0.00503 in.
V2403-M-ID-T
D1703-M-BG
V2003-M-BG
V2003-M-T-BG
V2203-M-BG
V2403-M-BG
D1803-M-DI 0.0780 to 0.110 mm
V2403-M-DI 0.00307 to 0.00433 in.
0.20 mm
0.0079 in.
D1503-M
D1703-M
D1803-M
V2003-M
V2203-M
V2403-M
0.020 to 0.060 mm
V2403-M-T
0.00079 to 0.0023 in.
V2403-M-DI-T
D1703-M-BG
V2003-M-BG
V2003-M-T-BG
V2203-M-BG
V2403-M-BG
D1803-M-DI 0.030 to 0.070 mm
V2403-M-DI 0.0012 to 0.0027 in.
0.15 mm
0.0059 in.
(B) D1803-M-DI, V2403-M-DI
V2403-M-DI-T
KiSC issued 07, 2008 A
W1032489