Toro GROUNDSMASTER 345 - Manual (Page 35)

TORO GM 325-D Mitsubishi K3D Diesel Engine
Notes
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33
1. Nozzle spray Test.
The ability of the nozzle to correctly atomize the fuel can be checked by performing a nozzle spray test.
Pump the nozzle tester and watch the spray pattern.
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A solid stream or large droplets indicates a faulty nozzle.
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Fuel should be well atomized and in a consistent spray pattern.
Leaking injection nozzles can cause:
1. Hard starting.
2. Excessive smoke.
3. Low power.
4. Engine knocking.
5. Injection pump damage.
6. Internal engine damage.