3 third boom section removal, Third boom section removal – JLG 4017RS Service Manual User Manual
Page 47

3-7
3614RS, 4017RS
Boom
3.3.3
Third Boom Section Removal
1. Pull the tilt hoses and (if equipped) the auxiliary hoses
from the rear of the third boom section.
Note: The bracket (11) holding the tilt hoses and (if equipped)
auxiliary hoses will still secure the tilt hoses and (if equipped)
auxiliary hoses when the top rear wear pads are removed.
Note: Remove the individual brackets (12) securing the tilt
hoses and (if equipped) auxiliary hoses to the main mounting
bracket (11).
2. Loosen and remove the mounting bolt (13) and bracket
(14) securing the extend chain clevis (15).
3. Remove all wear pads, shims and backing plates from
the front inside of the second boom section (16). Label
and tag each set of wear pads being removed.
4. Place a sling around the third boom section, lift and
slowly pull the third boom section approximately half
way out of the second boom section. Lower the third
boom section onto a suitable support.
5. Relocate the sling or using two slings for better stability,
balance the third boom section and slowly pull it out of
the second boom section being careful not to damage
the hydraulic hoses or chains. Lower the third boom
sections onto suitable supports.
Note: After removing the third boom section the extend chain
is left laying on the inside of the second boom section and can
be removed, cleaned, inspected and replaced if required.
MZ7160
11
MZ7200
12
MZ7190
13
14
15
M 7150
Z
16