Kubota WSM 05-E4B Series User Manual

2. If
the cylinder wear is more than the service limit,
bore and hone it to the specified dimension.
NOTE
• If the maximum
I.D. or the difference for the
oversize cylinder is more than the service
limit, replace the crankcase with a new one.
• Oversize cylinder bore I.D.
Oversize cyl-
inder I.D.
Service
specifica-
tion
D1005-
E4B/
E4BG
76.500 to
78.619 mm
3.0119 to 3.0125 in.
D1105-
E4B/
E4BG
D1305-
E4B/
E4BG
V1505-
E4B/
E4BG
78.500 to
78.519 mm
3.0906 to 3.0912 in.
Service lim-
it
D1005-
E4B/
E4BG
76.65 mm
3.018 in.
D1105-
E4B/
E4BG
D1305-
E4B/
E4BG
V1505-
E4B/
E4BG
78.65 mm
3.096 in.
Finishing
Hone to 1.2 to 2.0 μmR max. (48 to 78 μin.R
max.)
(1) Cylinder bore I.D. (Before
correction)
(2) Cylinder bore I.D. (Oversize)
3. Replace
the
piston
and piston rings with oversize
ones.
Oversize piston
and piston rings
Service specifi-
cation
0.50 mm
0.020 in.
RELATED PAGE
6.37 Checking cylinder wear on page 4-70
6.39 Checking clearance between
inner rotor and outer rotor
Tools required
• Feeler gauge
1. Measure
the clearance between the lobes of the
inner rotor and the outer rotor with a feeler gauge.
NOTE
• If the clearance
more than the service limit,
replace the oil pump rotor assembly.
Clearance be-
tween inner rotor
and outer rotor
Service specifi-
cation
0.060 to 0.18 mm
0.0024 to 0.0071 in.
6.40 Checking clearance between
outer rotor and pump body
Tools required
• Feeler gauge
4. ENGINE
SERVICING
6. Servicing
4-72
05-E4B SERIES,05-E4BG SERIES
KiSC issued 03, 2023 A

Kubota WSM 05-E4B Series Specifications

General

Brand	Kubota
Model	WSM 05-E4B Series
Category	Engine
Language	English