Checking Cam Height; Checking Oil Clearance Between Camshaft Journal And Crankcase Bore - Kubota D1803-CR-E4 Workshop Manual

4. ENGINE
(B) Installing direction

7.21 Checking cam height

Tools required
• External micrometer
1. Measure the height of the cam at its highest point
with an external micrometer.
NOTE
• If the measurement is less than the service
limit, replace the camshaft.
Cam height
D1803-CR- Intake
E4, -TE4, - Exhaust
TIE4
Intake
Cam height
V2403-CR-
E4, -TE4, -
TE4BG, -TIE4
Exhaust
4-172
Service speci- 33.90 mm
fication 1.335 in.
33.85 mm
Service limit
1.333 in.
Service speci- 33.47 mm
fication 1.318 in.
33.42 mm
Service limit
1.316 in.
Service speci- 33.00 mm
fication 1.299 in.
32.95 mm
Service limit
1.297 in.
D1803-CR-E4,D1803-CR-TE4,D1803-CR-TIE4,V2403-CR-E4,V2403-CR-TE4,V2403-CR-TE4BG,V2403-CR-TIE4
7.22 Checking oil clearance between
camshaft journal and crankcase
bore
Tools required
• External micrometer
• Internal micrometer
• Cylinder gauge
1. Measure the camshaft journal O.D. with an external
micrometer.
Camshaft journal Service specifi-
O.D. cation
2. Measure the crankcase bore I.D. for the camshaft
with an internal micrometer or cylinder gauge.
Crankcase bore Service specifi-
I.D. cation
3. Calculate the oil clearance.
NOTE
• If the oil clearance is more than the service
limit, replace the camshaft.
Service specifi-
cation
Oil clearance of
camshaft journal
Service limit
SERVICING
7. Servicing
39.934 to 39.950 mm
1.5722 to 1.5728 in.
40.000 to 40.025 mm
1.5748 to 1.5757 in.
0.050 to 0.091 mm
0.0020 to 0.0035 in.
0.15 mm
0.0059 in.
KiSC issued 12, 2018 A