Checking Clearance Between Outer Rotor And Pump Body; Checking Side Clearance Of Idle Gear 1, 2 - Kubota WSM 05-E4B Series Workshop Manual

SERVICING
6. Servicing
1. Measure the tappet
micrometer.
Service specifi-
Tappet O.D.
cation
2. Measure the tappet guide bore I.D. with a cylinder
gauge.
Tappet guide bore Service specifi-
I.D. cation
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.
Service specifi-
Oil clearance be-
cation
tween tappet and
tappet guide bore
Service limit
6.16 Checking clearance between
outer rotor and pump body
Tools required
• Feeler gauge
05-E4B SERIES,05-E4BG SERIES
O.D. with an outside
19.959 to 19.980 mm
0.78579 to 0.78661 in.
20.000 to 20.021 mm
0.78740 to 0.78822 in.
0.020 to 0.062 mm
0.00079 to 0.0024 in.
0.07 mm
0.003 in.
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-
Service specifi-
tween outer rotor
cation
and pump body
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.
4. ENGINE
0.100 to 0.180 mm
0.00394 to 0.00708 in.
4-57
KiSC issued 03, 2023 A