Kubota D1803-CR-E4 - Checking Clearance between Rotor and Cover; Checking Commutator and Mica of Starter

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 oil pump body.
Clearance be-
tween outer rotor
and pump body
Service specifi-
cation
0.11 to 0.19 mm
0.0044 to 0.0074 in.
Service limit
0.25 mm
0.0098 in.
7.42 Checking clearance between
rotor and cover
Tools required
• Plastigauge
1. Put a strip of plastigauge on the rotor face with
grease.
2. Install the oil pump.
3. Remove the oil pump carefully.
4. Measure the width that plastigauge becomes flat
with the scale to get the oil clearance.
NOTE
• If the
clearance is more than the service
limit, replace oil pump rotor assembly and
the cover.
Clearance be-
tween rotor and
cover
Service specifi-
cation
0.105 to 0.150 mm
0.00414 to 0.00590 in.
Service limit
0.20 mm
0.008 in.
7.43 Checking overrunning clutch of
starter
1. Check the pinion for wear or damage.
NOTE
• If there
is any damage, replace the
overrunning clutch assembly.
2. Check that the pinion turns freely and smoothly in
the direction that it overruns.
NOTE
• If there
is any damage, replace the
overrunning clutch assembly.
7.44 Checking commutator and mica
of starter
Tools required
• Emery paper (#300)
•
External micrometer
1. Check the contact of the commutator for wear.
SERVICING
7. Servicing 4. ENGINE
D1803-CR-E4,D1803-CR-TE4,D1803-CR-TIE4,V2403-CR-E4,V2403-CR-TE4,V2403-CR-TE4BG,V2403-CR-TIE4
4-185
KiSC issued 12, 2018 A