Kubota D1803-CR-E4 User Manual

5. Remove
the
cylinder head and compare the width
of the crushed plastigauges (2) with the scale (3).
NOTE
• Top
clearance = Width of the crushed
plastigauge (2)
• If they are out of service specification, check
the oil clearance of the crankpin, journal and
piston pins.
Top clearance
Service specifi-
cation
0.60 to 0.70 mm
0.024 to 0.027 in.
(2) Crushed plastigauge (3) Scale
7.2 Checking cylinder head surface
flatness
Tools required
•
Straightedge
•
Feeler gauge
1. Clean the cylinder head surface.
2. Place a straightedge on the cylinder head's four
sides (A), (B), (C) and (D) and two diagonal (E) and
(F) as shown in the figure.
3. Measure the clearance with a feeler gauge.
NOTE
• If the
measurement is more than the service
limit, make it straight with a surface grinder.
IMPORTANT
• Check the valve recessing after you correct.
Cylinder head sur-
face flatness
Service limit
0.05 mm
0.002 in.
7.3 Checking cylinder head flaw
Tools required
• Red permeative liquid
•
Detergent
• White developer
1. Clean the surface of the cylinder head with
detergent (2).
2. Apply some red permeative liquid (1) on the
cylinder head surface.
3. After you apply, do not touch it for 5 to 10 minutes.
4. Clean away the red permeative liquid on the
cylinder head surface with detergent (2).
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
4-163
KiSC issued 12, 2018 A

Kubota D1803-CR-E4 Specifications

General

Brand	Kubota
Model	D1803-CR-E4
Category	Engine
Language	English