JLG 400S Service And Maintenance Manual page 297

NOTE: Make sure snap rings are seated in pin groove and closed
properly.
Correct
1. Install new 8-32 x 0.500 self-threading torx head screw
in end of new aluminum round bar. Torque to
18-20 in. lbs. (2-2.25 Nm).
3121671
Incorrect
SECTION 4 - BOOM & PLATFORM
2. Pull up on other end of round bar and slide new poly
roller on bar.
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