Komatsu Galeo PC800-8 Shop Manual page 225

10 Structure, function and maintenance standard
Bottom dump cylinder
No. Check item
Clearance
between
1
piston rod and
bushing
Clearance
between
2 piston rod
support shaft
and bushing
Clearance
between cylin-
3 der bottom
support shaft
and bushing
PC800, 850-8
Name of Standard
cylinder size
Boom 140
Arm 160
Bucket 130
Bottom
90
dump
Boom 115
Arm 140
Bucket 115
Bottom
90
dump
Boom 130
Arm 140
Bucket 115
Bottom
90
dump
Criteria
Tolerance
Shaft Hole
–0.043 +0.256
–0.106 +0.039
–0.043 +0.256
–0.106 +0.039
–0.043 +0.256
–0.106 +0.040
–0.036 +0.257
–0.090 +0.048
–0.036 +0.025
–0.090 0
–0.043 +0.025
–0.106 0
–0.036 0
–0.090 –0.020
–0.036 +0.457
–0.090 +0.370
–0.043 +0.025
–0.106 0
–0.043 +0.025
–0.106 0
–0.036 0
–0.090 –0.020
–0.036 +0.457
–0.090 +0.370
SEN00384-02
Standard Clearance
clearance limit
0.082 –
0.662
0.362
0.082 –
0.662
0.362
0.082 –
0.662
0.362
0.084 –
0.647
0.347
0.036 –
1.5
0.115
0.043 –
1.5
0.131
0.016 –
1.5
0.090
0.406 –
1.5
0.547
0.043 –
1.5
0.131
0.043 –
1.5
0.131
0.016 –
1.5
0.090
0.406 –
1.5
0.547
Unit: mm
Remedy
Replace
bushing
Replace pin,
bushing
63