Kubota D650-B Handbuch Seite 170

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Testing Oil Pressure
1) Remove the oil switch and set a pressure gauge. (Code
No: 07916-32031)
2) Start the engine. Measure the oil pressure both at idling
and at the rated speed.
3) If the measurement is not within the reference value,
check the oil pump, oilways, oil clearances and pressure
regulating valve.
(Notes for measuring)
• Supply the specified amount of recommended oil.
• The oil filter must not be clogged or broken.
Reference
f)
Oil Pump (Rotor type)
(1) Checking Rotor Lobe Clearance
1) Insert a feeler gauge into the gap between the inner and
outer rotors and measure the clearance.
2) If the clearance exceeds the allowable limit, replace.
value
:
0.11 to 0.15 mm
0.0043 to 0.0059 in.
Allowable limit
I
0.2mm
0.0079 in.
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