DISASSEMBLY AND ASSEMBLY
TRACK ROLLER
REMOVAL OF TRACK ROLLER
ASSEMBLY
1.
Lower work equipment, then loosen lubricator (1)
and relieve track tension.
m
A The adjustment cylinder is under extremely
high pressure. Never loosen the lubricator more
than one turn. If the grease does not come out
easily, move the machine backwards and
forwards.
2. Remove mounting bolts of track roller, then swing
work equipment 90”, jack up machine, and remove
track roller assembly (2) towards outside of
machine.
Track roller assembly:
PC200, PC2OOLC, PC21 OLC, PC220LC
40 kg
PC25OLC
52 kg
INSTALLATION OF TRACK
ROLLER ASSEMBLY
l
Carry out installation in the reverse order to
removal.
* Adjust the track tension. For details, see
TESTING AND ADJUSTING, Testing and
adjusting track tension.
lace the plug on the outside of the chassis,
*
*
and set the-track roller assembly in the
mounting position.
Operate the work equipment levers to lower the
machine slowly, then tighten the mounting bolts
temporarily.
Operate the work equipment levers to lower the
machine completely to the ground, then tighten
the mounting bolts fully.
Track roller assembly mounting bolt:
PC200, PC2OOLC, PC21 OLC, PC22OLC
--
i--I-
I
,
K3
1st pass: Tighten to 196.1 + 19.6 Nm (20 + 2
kgm)
2nd pass: 1. When using tool K,.
l Using an angle tightening wrench,
tighten bolt 90 f 5”.
2. When not using tool KJ.
30-74
0
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