Tilt And Auxiliary Hose Installation - JLG G5-18A Service Manual

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7. Place a suitable receptacle under the front of the first
boom section.
8. Label and disconnect the tilt cylinder (right side) hoses
(1) and auxiliary (left side) hoses (2) under the first
boom section. Cap and/or plug all hoses and fittings to
prevent dirt and debris from entering the hydraulic
system.
Note: Loss of hydraulic fluid is limited to amount of fluid
trapped in each hose.
7
G5-18A, 2505
2
1
10
9
4
5
6
3
9. Remove the extend/retract cylinder retaining clips and
mounting pins (3) from the side of the second boom
section.
Note: Tag each wear pad, spacer, and shim hardware for each
location.
10. Remove the top (4) and both side (5) wear pads, shim(s),
and backing plates from the front of the first boom
section.
11. Attach lifting straps to the front of the second boom
section. Raise the second boom section and remove the
bottom wear pads, shim(s) and backing plates (6) from
the front of the first boom section.
12. Pull the second boom section (7) approximately 3/4 out
of the first boom section (8). Lower the second boom
section onto a suitable support. Reposition the lifting
straps.
13. Remove the second boom section (7) and place on
suitable supports.
14. Label and disconnect the tilt cylinder hoses (9) and
auxiliary hoses (10) at the boom head. Cap and/or plug
all hoses and fittings to prevent dirt and debris from
entering the hydraulic system.
15. Remove the tilt cylinder hoses (9) and auxiliary hoses
(10) from the rear of the second boom section.
3.3.10

Tilt and Auxiliary Hose Installation

1. Connect the tilt cylinder hoses (9) and auxiliary hoses
(10) to tilt cylinder/aux bulkhead.
2. Wrap new hoses under rear of second boom section
(11).
3. Insert second boom section (7) approximately 2 ft
(609mm) into first boom section (8).
Note: Raising the barrel end of the extend/retract
cylinder may be required for clearance.
4. Support second boom section assembly.
5. Reposition straps, and guide second boom section into
8
first boom section.
6. Reinstall extend/retract cylinder barrel pin (3).
7. Connect the tilt (1) and auxiliary (2) hoses at bottom of
first boom section.
8. Reinstall wear pads and shims.
9. Reinstall attachment.
10. Properly connect battery.
11. Check for hydraulic leaks. Check hydraulic fluid level.
Add hydraulic fluid if necessary.
12. Close and secure the engine cover.
Boom
3-9