Kubota WSM L3560, Workshop Manual

Page: 225 / 801

ENGINE
L3560, L4060, L4760, L5060, L5460, L6060, WSM
1-S78
Replacement of Valve Guide
(When removing)
1. Press out the used valve guide with the valve guide replacing
tool. (See page
"SPECIAL TOOLS"
.)
(When installing)
1. Clean the new valve guide and valve guide bore, and apply
engine oil to them.
2. Press fit the new valve guide with the valve guide replacing tool.
3. Ream accurately the I.D. of the valve guide to the specified
dimension.
IMPORTANT
• Do not hit the valve guide with a hammer during
replacement.
9Y1210824ENS0073US0
Valve Seating
1. Apply a thin layer of Prussian Blue on the valve face. Then put
the valve on its seat to examine the contact.
2. If the valve is not fully around the seat or the contact is less than
70 % of the factory specification, correct the valve seat. See the
next section.
3. If the valve contact width cannot get the factory specification,
replace the valve or correct the contact of the valve seat.
9Y1210824ENS0074US0
Valve guide I.D.
(Intake and exhaust)
Factory specification
8.015 to 8.030 mm
0.3156 to 0.3161 in.
(A) When Removing (B) When Installing
Valve contact width Factory specification
2.12 mm
0.0835 in.
(1) Correct
(2) Incorrect
(3) Incorrect
KiSC issued 03, 2016 A