8-66
1. REMOVAL AND INSTALL
REMOVAL
Swing the work equipment 90Áand lower it
completely to the ground.
Operate the control levers and pedals
several times to release the remaining
pressure in the hydraulic piping.
Loosen the breather slowly to release the
pressure inside the hydraulic tank.
Escaping fluid under pressure can
penetrate the skin causing serious injury.
When pipes and hoses are disconnected,
the oil inside the piping will flow out, so
catch it in oil pan.
Remove the track shoe assembly.
For details, see removal of track shoe
assembly.
Remove the cover.
Remove the hose.
Fit blind plugs to the disconnected hoses.
Remove the bolts and the sprocket.
Sling travel device assembly(1).
Remove the mounting bolts(2), then
remove the travel device assembly.
ÂWeight : 240kg(530lb)
INSTALL
Carry out installation in the reverse order
to removal.
Bleed the air from the travel motor.
Remove the air vent plug.
Pour in hydraulic oil until it overflows from
the port.
Tighten plug lightly.
Start the engine, run at low idling, and
check oil come out from plug.
Tighten plug fully.
Confirm the hydraulic oil level and check
the hydraulic oil leak or not.
GROUP 6 TRAVEL DEVICE
B
Dr
A
P
2
1
1)
2)
(1)
(2)
(3)
ö
(4)
(5)
(6)
ö
(7)
(8)
(9)
(1)
(2)
Η
Θ
Ι
Κ
Λ
(3)
13031GE18
21078DA47
8-68
TOOLS AND TIGHTENING TORQUE
Tools
(1)
2)
Tool name
Remark
Allen wrench
Socket for socket wrench, spanner
Torque wrench
Pliers
(-) Driver
Plastic and iron hammer
Steel rod approx
Monkey wrench
Oil seal inserting jig
Bearing pliers
Seal tape
Eye bolt
Press(0.5 ton)
Oil stone
Bearing assembling jig
Liquid packing
Screw lock
5, 6, 8, 10, 14
22, 30, 32, 41
5, 6, 8, 10, 14, 19
Socket
Rod
Capable of tightening with the specified torques
-
150mm
Wooden hammer allowed. Normal 1 or so
7Ý7Ý200mm
-
-
-
-
M12, M16
-
-
-
Loctite #577
Loctite #243
Part name
Item
Size
Torque
kgfÂm
lbfÂft
Hexagon socket bolt
Hexagon socket plug
Hexagon socket bolt
Sleeve
Plug
Plug
Plug
Hexagon socket bolt
Plug
Plug
Hexagon socket plug
Plug
Plug
Plug
Hexagon socket plug
19
33
35