Hitachi ZAXIS 450LC-3 Operator's Manual page 240

ZX650LC 850LC
-3, -3
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WARNING: Do not loosen side frame guide bolts (2).
IMPORTANT: Remove and clean mud and gravel from
contact area of track frame (3) and side
frame (4) using compressed air.
Required Tools: Power Boost Wrench (including
accessories)
Torque Wrench (width across flats: 55 mm)
Air Compressor (slide surface cleaning)
1. Remove 22 mounting bolts (1) (11 used for each side)
from the retracting side frames.
2. Retracting Side Frame (Track Gauge)
Turn the boom mode switch OFF so that the machine can
be raised off the ground with front attachment.
3. Raise track (6) to be retracted using the front attachment,
as illustrated.
Slowly rotate raised track (6) back and forth. Side frame
(4) will be retracted with its own weight and stop when it
comes into contact with guide (2).
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CAUTION: Maintain a 90 to 110° angle; never make
an acute angle between the boom and the arm.
If side frame (4) does not retract completely, lower the
undercarriage and turn the upperstructure 180°. Raise the
opposite side track about 15° from the ground using the
front attachment. Slowly push the arm out, to retract side
frame (4).
IMPORTANT: Do not raise track (6) excessively high or
operate the arm-control lever abruptly.
Damage to track frame (3) may result.
4. Slowly lower track (6) to the ground. Tighten 8 mounting
bolts (5) (4 used for each side) to the specification.
Tightening Torque: 2800 N•m (280 kgf•m, 2030 lbf•ft)
5. Retract the opposite side, following procedures 1 to 4
above.
TRANSPORTING
6-48
1
6
90 to 110°
15°
5
5
4
3
2
M162-06-002
M111-06-009
M162-06-001