MAINTENANCE PROCEDURE MAINTENANCE
4-68
CHECK AND TIGHTEN TRACK FRAME AND AXLE CONNECTING BOLTS 4
If the 12 bolts (1) connecting the track frame and axle are loose
and the machine is used without tightening them, they will
break. If any loose bolts are found, ask your Komatsu distribu-
tor to tighten them.
q Tightening torque: 4658 ± 245 Nm {475 ± 25 kgm}
CHECK ALTERNATOR DRIVE BELT TENSION, ADJUST 4
When carrying out inspection and adjustment, set to the
engine stop position as follows. Press engine stop switch
(1) installed at the front of the power container on the left
side of the machine, or engine stop switch (2) installed at
the rear of the power container on the right side of the
machine. For details of the method of operating engine
stop switches (1) and (2), see “Stopping in Emergencies
(3-203)“.
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