Kubota D650-B Handbuch Seite 230

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Checking for Brush Wear
1) Check to see that the brush has worn down more than
1/3 the standard dimensions.
2) If wear exceeds the allowable limit, replace.
• Dimensions of starter brush
C002F059
0.2756
16.0 mm
0.6299 in.
12.0 mm
0.4724 in.
7.0mm
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(11
/----(2)
(31
"
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C022F097
41)
Checking Brush Spring Tension
1) Measure the tension with a new spring in place.
2) Replace if the tension is under the reference value.
(1) Spring hanger
(21 Install the brush and spring in this manner
(31 Brush
_ Grounding of Brush Holder
1) Check the insulation of the positiVe brush holder,
2) Replace if faulty.
If it is not conducting, the brush
if it is conducting, the brush
234