LA271 •
LA301
•
LA351
• LA401 •
LA272· LA302·
LA352·
LA402 WSM, 17021
SERVICING
SERVICING
Piston Rod Bend
1.
Place piston
rod
on
V blocks.
2.
Set a dial indicator
on
the center of the rod.
3.
Turn the piston
rod
and read the dial indicator.
4.
If
the measurement exceeds the allowable limit, replace
it.
Piston
rod
bend Allowable limit
0.25
mm
0.0098
in.
12010F00820
12010800500
(4)
Mounting
Pin
(5)
Boom Assembly
Boom Assembly
1.
Disconnect the four hydraulic hoses
(1)
with quick couplers at
the control valve (2).
2.
Remove the pins
(4)
and separate the boom assembly
(5)
from
the side frame (3).
(1) Hose 1 and 2
(2)
Control Valve
(3)
Side Frame
3
17021F00100
[3] MAIN FRAME, BRACE AND OTHERS
DISASSEMBLING AND ASSEMBLING
~
17021800100
S-15
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