Checking Clearance Between Rotor And Cover; Checking Commutator And Mica Of Starter - Kubota D1803-CR-E4 Workshop Manual

SERVICING
7. Servicing
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.
Service specifi-
Clearance be-
cation
tween outer rotor
and pump body
Service limit
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.
Service specifi-
Clearance be-
cation
tween rotor and
cover
Service limit
D1803-CR-E4,D1803-CR-TE4,D1803-CR-TIE4,V2403-CR-E4,V2403-CR-TE4,V2403-CR-TE4BG,V2403-CR-TIE4
0.11 to 0.19 mm
0.0044 to 0.0074 in.
0.25 mm
0.0098 in.
0.105 to 0.150 mm
0.00414 to 0.00590 in.
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
overrunning clutch assembly.
2. Check that the pinion turns freely and smoothly in
the direction that it overruns.
NOTE
• If there is any
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.
4. ENGINE
damage, replace the
damage, replace the
4-185
KiSC issued 12, 2018 A