Yanmar BY Series Service Manual page 144

Repair
Figure 6-12
7. Insert brush and sleeve into injector cavity until
it touches the bottom (Figure 6-12).
Figure 6-13
8. Use a socket wrench to turn tool while applying
light pressure (Figure 6-13).
BY Service Manual
Figure 6-14
9. Clean sides of cavity by sliding tool in and out
(Figure 6-14).
A
CAUTION
FLYING OBJECT HAZARD!
• ALWAYS wear eye protection when
servicing the engine and when using
compressed air or high-pressure
water. Dust, flying debris, compressed
air, pressurized water or steam may
injure your eyes.
• Failure to comply may result in minor
or moderate injury.
10. Use compressed air to blow debris out of cavity
while covering cavity with cloth to catch debris.
11. Inspect to ensure sealing surface is clean.
Repeat cleaning if necessary.
12. Use special tool OEM No. 13 5 214 to remove
tip (special tool OEM No. 13 5 215) from bottom
of injector cavity. See Installation of Fuel
Injector on page 6-16.
F U E L S Y S T E M
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6-15