Kubota V3600-E3 Shop Manual page 181

V3-E3B SERIES, V3-E3CB SERIES, V3-E3BG SERIES, WSM
Valve Lapping
1. Apply compound evenly to the valve seat.
2. Insert the valve into the valve guide.
3. Lap the valve onto its seat with a valve flapper or screwdriver.
4. After lapping the valve, wash the compound away.
5. Lap the valve with oil again.
6. Apply prussian blue to the contact surface to check the seated
rate. If it is less than 70 %, repeat valve lapping again.
IMPORTANT
• When valve lapping is performed, be sure to check the valve
recessing and adjust the valve clearance after assembling
the valve.
(1) Correct
(2) Incorrect
(3) Incorrect
S-89
DIESEL ENGINE
[A] V3600-E3B, V3600-T-E3B,
V3600-E3CB, V3600-T-E3CB,
V3300-E3BG, V3600-T-E3BG
[B] V3800DI-T-E3B, V3800DI-T-E3CB,
V3800DI-T-E3BG
W1061709