Case CX17B - Boom Maintenance Standards; Arm

3. ATTACHMENT DIMENSIONS
3-4
3.1.2 BOOM MAINTENANCE STANDARDS
(1) Clearance of pin and bushing on boom section
Clearance of pin and bushing on boom section
-The tolerance for bushing inside diameter means the dimension after fitting of it into place.
-The part number for pins may be changed owing to improvement, use them only for reference.
D
C
B
A
Unit : mm (in)
Pos. Item Pin part No.
Standard dimensions Clearance
Remedy
Pin dia.
Tolerance
on pin dia.
Tolerance
on bushing
bore dia.
Standard
value
Standard
value for
repair
Service-
ability limit
A
Boom foot
PU02B01212P1
ł35
(1.3780)
0.02
0.05
(-0.0008)
(-0.0020)
+0.05
0
(+0.0020)
( 0 )
0.02~
0.10
(0.0008~
0.0039)
0.7
(0.028)
1.0
(0.039)
Replace
bushing
or pin
B
Boom cylin-
der
(Head side)
PU02B01168P1
0.02
0.08
(-0.0008)
(-0.0031)
+0.18
+0.05
(+0.0071)
(+0.0020)
0.07~
0.26
(0.0028~
0.0102)
C
Boom cylin-
der
(Rod side)
PU02B01170P1
0.02
0.05
(-0.0008)
(-0.0020)
+0.18
+0.05
(+0.0071)
(+0.0020)
0.07~
0.23
(0.0028~
0.0091)
D
Arm cylin-
der
(Head side)
PF02B01022P1
0.03
0.08
(-0.0012)
(-0.0031)
+0.18
+0.05
(+0.0071)
(+0.0020)
0.08~
0.26
(0.0031~
0.0102)