Kubota GL6000A-AU-B Workshop Manual page 109

GL6000A-AU-B, GL6000D-AU-B,GL9000A-AU-B, GL9000D-AU-B, WSM
Oil Clearance between Rocker Arm and Rocker Arm Shaft
1. Measure the rocker arm shaft O.D. with an outside micrometer.
2. Measure the rocker arm I.D. with an inside micrometer, and
then calculate the oil clearance.
3. If the oil clearance exceeds the allowable limit, replace the
rocker arm and measure the oil clearance again. If it still
exceeds the allowable limit, replace also the rocker arm shaft.
Factory specification
Oil clearance between
rocker arm and rocker
arm shaft
Allowable limit
Rocker arm shaft O.D. Factory specification
Rocker arm I.D. Factory specification
Push Rod Alignment
1. Place the push rod on V blocks.
2. Measure the push rod alignment.
3. If the measurement exceeds the allowable limit, replace the
push rod.
Push rod alignment Allowable limit
Oil Clearance between Tappet and Tappet Guide Bore
1. Measure the tappet O.D. with an outside micrometer.
2. Measure the I.D. of the tappet guide bore with a cylinder gauge,
and calculate the oil clearance.
3. If the oil clearance exceeds the allowable limit or the tappet is
damaged, replace the tappet.
Factory specification
Oil clearance between
tappet and tappet guide
bore
Allowable limit
Tappet O.D. Factory specification
Tappet guide bore I.D. Factory specification
1-S47
ENGINE
0.016 to 0.045 mm
0.00063 to 0.0017 in.
0.15 mm
0.0059 in.
10.473 to 10.484 mm
0.41233 to 0.41275 in.
10.500 to 10.518 mm
0.41339 to 0.41409 in.
9Y1211607ENS0074US0
0.25 mm
0.0098 in.
9Y1211607ENS0075US0
0.016 to 0.052 mm
0.00063 to 0.0020 in.
0.10 mm
0.0039 in.
17.966 to 17.984 mm
0.70733 to 0.70803 in.
18.000 to 18.018 mm
0.70867 to 0.70937 in.
9Y1211607ENS0076US0
KiSC issued 06, 2016 A