Terex Genie Z-45/25 Bi-Energy, Руководство по обслуживанию, Страница: 66 / 213

3 - 40 Z-45/25 Bi-Energy • Z-45/25J Bi-Energy Part No. 237062
September 2015 Section 3 • Scheduled Maintenance Procedures
4 Place a dial indicator between the drive chassis
and the turntable at a point that is directly
under, or in-line with, the boom and no more
than 1 inch / 2.5 cm from the bearing.
Note: To obtain an accurate measurement, place
the dial indicator no more than 1 inch /
2.5 cm from the turntable rotation bearing.
a turntable
b dial indicator
c drive chassis
d turntable rotation bearing
5 At the dial indicator, adjust it to "zero" the
indicator.
6 Lower the secondary boom to the stowed
position and lower the primary boom to a
horizontal position. Fully extend the primary
boom.
CHECKLIST D PROCEDURES
7 Note the reading on the dial indicator.
Result: The measurement is less than
0.055 inch / 1.4 mm. The bearing is good.
Result: The measurement is more than
0.055 inch / 1.4 mm. The bearing is worn and
needs to be replaced.
8 Fully retract the primary boom. Raise the
primary and secondary booms to full height.
Visually inspect the dial indicator to be sure the
needle returns to the "zero" position.
9 Remove the dial indicator and rotate the
turntable 90°.
10 Repeat steps 4 through 9 until the rotation
bearing has been checked in at least four
equally spaced areas 90° apart.
11 Lower the primary and secondary booms to the
stowed position and turn the machine off.
12 Remove the dial indicator from the machine.
a
b
c
d