JLG 1850SJ, Руководство по обслуживанию и ремонту, Страница: 89 / 712

SECTION 3 - CHASSIS & TURNTABLE
3121619 3-39
c. Ensure that the 0.0015” feeler gauge will not pene-
trate under the bolt head to the bolt shank.
d. Swing the turntable 90 degrees, and check some
selected bolts at the new position.
e. Continue rotating the turntable at 90 degrees inter-
vals until a sampling of bolts have been checked in
all quadrants.
2. Check the turntable to bearing attach bolts as follows:
a. Elevate the fully retracted main boom to full eleva-
tion.
b. At the position indicated on Figure 3-37. try to insert
the 0.0015” feeler gauge between the bolt head and
hardened washer at the arrow indicated position.
c. Lower the boom to horizontal and fully extend the
boom.
d. At the position indicated on Position 1, Figure 3-39.,
try and insert the 0.0015” feeler gauge between the
bolt head and hardened washer at the arrow indi-
cated position.
3.13 SWING BEARING TORQUE VALUES
1. Outer Race - 708 ft.lbs. (960 Nm) w/ JLG Threadlocker
P/N 0100019.
2. Inner Race - 708 ft.lbs. (960 Nm) w/ JLG Threadlocker
P/N 0100019.
3. See Swing Bearing Torquing Sequence.
CHECK THE INNER AND OUTER SWING BEARING BOLTS FOR MISSING OR
LOOSENESS AFTER FIRST 50 HOURS OF OPERATION, AND EVERY 600 HOURS
THEREAFTER.
Figure 3-37. Swing Bolt Feeler Gauge Check