Valve Seating - Kubota D1503-M Workshop Manual

03-M-E3B, 03-M-DI-E3B, 03-M-E3BG WSM

Valve Seating

1. Coat the valve face lightly with prussian blue and put the valve on
its seat to check the contact.
2. If the valve does not seat all the way around the valve seat or the
valve contact is less than 70 %, correct the valve seating as
follows.
3. If the valve contact does not comply with the reference value,
replace the valve or correct the contact of valve seating.
Valve seat width Factory spec.
(1) Correct
(2) Incorrect
S-77
DIESEL ENGINE
2.12 mm
0.0835 in.
(3) Incorrect
W10282190
KiSC issued 07, 2008 A