Issued 04-2010
1002-31
2. Boom cylinder foot/Frame
3. Boom cylinder head/Boom
Part name
Code
Measured
dimensions
(mm)
Standard
value (mm)
Usage limit
(mm)
Judgment
Solution
Swing frame
a
131
137
Acceptable/Unacceptable
-
Boom cylinder
(foot section)
b
130
127
Acceptable/Unacceptable
Replacement
Clearance
c
1.0 - 3.5
Adjust with shims Acceptable/Unacceptable
Adjust with shims
Pin
d
Ø
Ø90
Ø89
Acceptable/Unacceptable
Replacement
Bushing
(boom cylinder)
e
Ø
Ø90
Ø91.5
Acceptable/Unacceptable
Replacement
Part name
Code
Measured
dimensions
(mm)
Standard
value (mm)
Usage limit
(mm)
Judgment
Solution
Boom cylinder
(top section)
a
123
120
Acceptable/Unacceptable
Replacement
Boom
b
669
665
Acceptable/Unacceptable
Replacement
Clearance
c
2.0 - 3.0
Adjust with shims Acceptable/Unacceptable
Adjust with shims
Pin
d
Ø
Ø110
Ø109
Acceptable/Unacceptable
Replacement
Bushing
(boom cylinder)
e
Ø
Ø110
Ø111.5
Acceptable/Unacceptable
Replacement
c
d
a
b
e
SI14004-001-b
c
b
a
d
e
SI14004-002-a