Kubota D650-B Handbuch Seite 97

Reference
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Lubricant rises through piston gap.
I
..
Piston ring stuck. 140
I Piston ring worn.
180
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Excessive gap between cylinder liner and piston. 186
Too much oil. 26
r--­
~
I njection delayed. 168
Compression pressure insufficient.
150
Injection too early.
168
Injection mistimed.
I
I
Injection delayed.
Fuel pump's injecting capacity
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varies.
I
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Plunger does not return completely because
spring is stuck or broken.
164
166
Plunger worn.
164
Needle valve stuck.
162
I
Nozzle spring broken.
162
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Too much carbon sticks to nozzle tip.
164
Injection pressure too low.
162
j
Nozzle does not inject fuel
properly.
I
J
I
Compressed air leaks.
150
Not enough air.
30
Excessive gap between piston and liner.
186
Piston ring stuck.
140
Piston ring worn.
180
Excessive gap between intake/exhaust valve and
valve stem.
154
Valve stem seal broken. 120
Oil leaks from defective packings.
Injection pump plunger leaks much fuel.
164
Fuel mixed with oil. r---l
Fuel pump leaks much fuel.
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I
Head gasket packing faulty.
118
Crankcase cracked.
Water mixed with oil.
J
J---c:
Gear oil mixed with oil.
Hydraulic pump's oil seal broken.
101
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