JLG 4017RS Service Manual - Manual (Page 66)

Boom
3-26 3614RS, 4017RS
Note: Grease wear pads, bores and pins during assembly.
7. Install the extend chain (10) to the top front of the
second boom section (11). Install the lock nut and jam
nut.
8. Shim all wear pads on the rear of the third boom section
and front of the second boom section. Torque bolts to
90 Nm (66 lb-ft).
3.10.10 Second, Third and Fourth Boom Section
Installation
1. Install the retract chain (12) to bottom front inside of
the first boom section. Install the lock nut and jam nut.
Lay the retract chain over the rear of the first boom
section.
2. Install the tilt hoses (13) and auxiliary hoses (14) to the
tubes mounted at the bottom front of the first boom
section. Verify both sets of hoses are run through the
opening at the bottom front of the first boom section
and parallel with the retract chain. Lay the tilt hoses and
auxiliary hoses over the rear of the first boom section.
Note: Keep the retract chain, tilt and auxiliary hoses centered
in the first boom section while installing the second boom
section into the first boom section.
3. Grease the inside first boom section on area’s where the
second boom section wear pads will slide.
MZ7320
10
11
M 7610 Z
12
MZ7220
13
14