Kubota GL9000D-AU-B User Manual

ENGINE
GL6000A-AU-B, GL6000D-AU-B,GL9000A-AU-B, GL9000D-AU-B, WSM
1-S43
[4] SERVICING
(1) Cylinder Head and Valves
Cylinder Head Surface Flatness
1. Clean the cylinder head surface.
2. Place a straightedge on the cylinder head's four sides and two
diagonal as shown in the figure.
3. Measure the clearance with a thickness gauge.
4. If the measurement exceeds the allowable limit, correct it with a
surface grinder.
IMPORTANT
• Do not place the straightedge on the combustion chamber.
9Y1211607ENS0065US0
Cylinder Head Flaw
1. Prepare an air spray red check (Code No. 07909-31371).
2. Clean the surface of the cylinder head with detergent (2).
3. Spray the cylinder head surface with the red permeative liquid
(1). Leave it 5 to 10 minutes after spraying.
4. Wash away the read permeative liquid on the cylinder head
surface with the detergent (2).
5. Spray the cylinder head surface with white developer (3).
6. If flawed, it can be identified as red marks.
9Y1211607ENS0066US0
Cylinder head surface
flatness
Allowable limit
0.05 mm
0.002 in.
(1) Red Permeative Liquid
(2) Detergent
(3) White Developer
KiSC issued 06, 2016 A

Kubota GL9000D-AU-B Specifications

General

Brand	Kubota
Model	GL9000D-AU-B
Category	Portable Generator
Language	English