Kubota WSM 05-E4B Series User Manual

1. Measure
the
tappet
O.D. with an outside
micrometer.
Tappet O.D.
Service specifi-
cation
19.959 to 19.980 mm
0.78579 to 0.78661 in.
2. Measure the tappet guide bore I.D. with a cylinder
gauge.
Tappet guide bore
I.D.
Service specifi-
cation
20.000 to 20.021 mm
0.78740 to 0.78822 in.
3. Calculate the oil clearance.
NOTE
• If the oil
clearance is more than the service
limit or the tappet has a damage, replace the
tappet.
Oil clearance be-
tween tappet and
tappet guide bore
Service specifi-
cation
0.020 to 0.062 mm
0.00079 to 0.0024 in.
Service limit
0.07 mm
0.003 in.
6.16 Checking clearance between
outer rotor and pump body
Tools required
• Feeler gauge
1. Measure the clearance
between the outer rotor and
the pump body with a feeler gauge.
NOTE
• If the clearance
more than the service limit,
replace the oil pump rotor assembly.
• If the clearance stays more than the service
limit after replacing the oil pump rotor
assembly, replace the gear case cover.
Clearance be-
tween outer rotor
and pump body
Service specifi-
cation
0.100 to 0.180 mm
0.00394 to 0.00708 in.
6.17 Checking side clearance of idle
gear 1, 2
Tools required
•
Dial gauge
1.
Set a dial gauge with its point on the idle gear 1, 2.
SER
VICING
6. Servicing 4. ENGINE
05-E4B SERIES,05-E4BG SERIES
4-57
KiSC issued 03, 2023 A

Kubota WSM 05-E4B Series Specifications

General

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