Komatsu PC20R-8 Shop Manual page 297

Section H ± H
Sezione H - H
4
5
Section N ± N
Sezione N - N
No. Check item
Clearance between bushing
and mounting pin of boom
1
swing bracket and revolving
frame
Clearance between bushing
2 and mounting pin of boom
swing bracket and boom
Clearance between bushing
3 and mounting pin of arm and
boom
Clearance between bushing
4 and mounting pin of link and
arm
Clearance between bushing
5 and mounting pin of bucket
and arm
Clearance between bushing
6
and mounting pin of link and link
Clearance between bushing
7 and mounting pin of bucket
and link
Clearance between bushing
8 and mounting pin of track
frame and blade
PC20R-8 PC27R-8
Section I ± I
Sezione I - I
Section L ± L
Sezione L - L
8
Section O ± O
Sezione O - O
Misura
standard
80
45
35
35
35
35
35
35
Section J ± J
Sezione J - J
7
Section M ± M
Sezione M - M
Section P ± P
Sezione P - P
Criteria
Tolerance
Shaft Hole
± 0.030 + 0.155
± 0.076 + 0.082
± 0.025 + 0.128
± 0.064 + 0.075
± 0.090 + 0.142
± 0.130 + 0.080
± 0.090 + 0.142
± 0.130 + 0.080
± 0.090 + 0.142
± 0.130 + 0.080
± 0.090 + 0.142
± 0.130 + 0.080
± 0.090 + 0.142
± 0.130 + 0.080
± 0.090 + 0.142
± 0.130 + 0.080
6
Section K ± K
Sezione K - K
Section Q ± Q
Sezione Q - Q
RKP01760
Standard Clearance
clearance limit
0.118 ±
1.0
0.245
0.100 ±
1.0
0.192
0.170 ±
1.0
0.272
0.170 ±
1.0
0.272
0.170 ±
1.0
0.272
0.170 ±
1.0
0.272
0.170 ±
1.0
0.272
0.170 ±
1.0
0.272
Unit: mm
Remedy
Replace
40-33