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Miscellaneous—Operational Checkout
Continued on next page KR46761,0001414 -19-01AUG18-42/50
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TX1120481 —UN—17AUG12
Tracking Check
5— Distance of Mistrack
6— Acceleration and Deceleration Zone (approximate): 3—5 m (10—16 ft)
7— Test Line (distance): 20 m (66 ft)
8— Track Print
Operate machine at full travel forward speed on a at and level surface approximately
30 m (99 ft).
NOTE: When machine mistracks right, hydraulic pump 1 circuit oil ow may be
less than specication. When machine mistracks left, hydraulic pump
2 circuit oil ow may be less than specication.
Observe direction of mistrack.
Create a straight test line 20 m (66 ft) (7) long between two points on track print (8).
Measure and record greatest distance of mistrack (5) between inside edge of track
print and test line.
YES: Go to next check.
Repeat procedure in reverse travel.
NO: Check track sag.
See Check and Adjust
Track Sag. (Section 3-3.)
LOOK: Does machine mistrack less than 200 mm (7.87 in)? IF OK: See an authorized
Hitachi dealer.
4-2-37
112321
PN=317
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