Install Pinion Bearing Cage Assembly On Main Housing - JLG GRADALL 522D Owner's/Operator's Manual

Install Pinion Bearing Cage
Assembly on Main Housing
NOTE
Use minimum of three shims in pack. If pack is
made from different thickness shims, install
thinnest shims on both sides of pack for
maximum sealing.
1. Install correct shim pack between bearing cage
and main housing. Figure 4.24.
Figure 4.24
!
WARNING
Do not hit steel parts with a steel hammer during
assembly and installation procedures. Parts can
break and cause serious personal injury.
2. Install drive pinion and bearing cage into carrier. If
necessary, use rubber, plastic or leather mallet to
tap assembly into position. Figure 4.25.
Figure 4.25
Asse m bly a nd I nst a lla t ion
CAPSCREW
SHIM PACK
3. Install two capscrews and washers that fasten
bearing cage. Tighten to minimum torque of
67 lb-ft (90 N•m). Figure 4.26.
Figure 4.26
4. Install yoke or flange and pinion nut. Fasten yoke
or flange with appropriate tool. Tighten pinion nut
to minimum specified torque of 465-570 lb-ft
(630-775 N•m). Figure 4.27.
Figure 4.27
!
CAUTION
The fit between input yoke or flange splines and
drive pinion is tight. To install yoke or flange into
pinion, use pinion nut and appropriate tool to
fasten it. Never use hammer or mallet. A hammer
or mallet will damage yoke or flange.
Se c t ion 4
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