Issued 04-2010
1002-32
4. Dipper cylinder foot/Boom
5. Boom/Dipper
Part name Code
Measured
dimensions
(mm)
Standard
value (mm)
Usage limit
(mm)
Judgment Solution
Boom a 146 152 Acceptable/Unacceptable Replacement
Boom cylinder
(foot section)
b 145 143 Acceptable/Unacceptable Replacement
Clearance c 0.5 - 3.0 Adjust with shims Acceptable/Unacceptable Adjust with shims
Pin d Ø Ø100 Ø99 Acceptable/Unacceptable Replacement
Bushing
(arm cylinder)
e Ø Ø100 Ø101.5 Acceptable/Unacceptable Replacement
Part name Code
Measured
dimensions
(mm)
Standard
value (mm)
Usage limit
(mm)
Judgment Solution
Boom a 392 395 Acceptable/Unacceptable Replacement
Arm b 387.7 389 Acceptable/Unacceptable Replacement
Clearance c 4.3 - 4.9 Adjust with shims Acceptable/Unacceptable Adjust with shims
Pin d Ø Ø115 Ø114 Acceptable/Unacceptable Replacement
Bushing (arm) e Ø Ø115 Ø116.5 Acceptable/Unacceptable Replacement
Boom f Ø Ø115 Ø116.5 Acceptable/Unacceptable Replacement
Boom g 89 87 Acceptable/Unacceptable Replacement
c
a
b
e
d
SI14004-002-a
a
gg
b
c
d
f
e
SI14004-003