JLG GRADALL 522D Owner's/Operator's Manual page 126

Se c t ion 4
Asse m bly a nd I nst a lla t ion
!
CAUTION
Rollers must come from the same manufacturer
and have the same tolerance range. Replace
spacers and washers when a new roller is used.
3. Apply grease, Shell-71032 Alvania EP-2 or
Texaco - 995 Multifak EP-2, on each gear hole.
Install rollers and spacers into planetary gears.
Figure 4.40.
Figure 4.40
4. Install bearing cone. Figure 4.41.
Figure 4.41
36
5. Install planetary spider and axle shaft bearing
adjusting nut.
6. Measure trumpet flange radius. With a spring
scale, check the trumpet assembly preload before
tightening adjusting nut.
The value will be obtained by multiplying the
number read on the spring scale dial by the flange
radius. Make note of the value. Figure 4.42.
Figure 4.42
7. Tighten adjusting nut with special tool shown on
page 60. At the same time, manually rotate the
trumpet to assure a correct fit between bearing
cups and cones and get desired preload.
Figure 4.43.
Figure 4.43
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