Komatsu PC20R-8 Shop Manual page 295

Section H ± H
Sezione H - H
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
4
Section L ± L
Sezione L - L
5
Section O ± O
Sezione O - O
Misura
standard
Shaft
± 0.030
70
± 0.076
± 0.025
35
± 0.064
± 0.090
35
± 0.130
± 0.090
30
± 0.130
± 0.090
30
± 0.130
± 0.090
30
± 0.130
± 0.090
30
± 0.130
± 0.090
35
± 0.130
Section J ± J
Sezione J - J
Section M ± M
Sezione M - M
8
Section P ± P Sezione P - P
Criteria
Tolerance
Standard
clearance
Hole
+ 0.148
+ 0.087
+ 0.100
+ 0.048
+ 0.142
+ 0.080
+ 0.117
+ 0.080
+ 0.117
+ 0.080
+ 0.117
+ 0.080
+ 0.117
+ 0.080
+ 0.145
+ 0.080
6
Section K ± K Sezione K - K
7
Section Q ± Q Sezione Q - Q
Clearance
limit
0.117 ±
1.0
0.226
0.073 ±
1.0
0.164
0.170 ±
1.0
0.272
0.170 ±
1.0
0.247
0.170 ±
1.0
0.247
0.170 ±
1.0
0.247
0.170 ±
1.0
0.247
0.170 ±
1.0
0.275
RKP01770
Unit: mm
Remedy
Replace
40-31