JLG 600AJ Service And Maintenance Manual page 190

SECTION 4 - BOOM & PLATFORM
NOTE: Make sure snap rings are seated in pin groove and closed
properly.
Correct
8. Install new 8-32 x 0.500 self-threading Torx head screw
in end of new aluminum round bar. Torque to 18-20 in-
lb (2-2.25 Nm).
4-12
Incorrect
9. Pull up on other end of round bar. Slide new poly roller
on bar.
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