JLG G5-18A Service Manual - Manual (Page 40)

Boom
3-8 G5-18A, 2505H, 25.5
11. Loosen and remove hose clamps and cover
plate (14) from rear of boom assembly.
12. Remove any miscellaneous parts such as mirror if
they will interfere with removal of cylinder.
13. Label and disconnect tilt and (if equipped) auxiliary
hydraulic hoses attached to machine on top of
boom (15). Plug and cap hose ends to prevent dirt
and debris from entering hydraulic system.
14. Loosen and remove both extend/retract cylinder
tubes (16) at rear of first boom section. Plug
tube ends to prevent dirt and debris from entering
hydraulic system.
15. Loosen and remove both fittings (17) from bottom of
extend/retract cylinder barrel. Plug openings in
extend/retract cylinder barrel.
16. Loosen and remove hardware (18) securing on
cylinder barrel mounting pin.
17. Remove cylinder barrel mounting pin (19). Note
location of spacers and washers.
18. Attach a sling or other suitable lifting device to
extend/retract cylinder and carefully pull cylinder free
from machine through rear of boom/chassis.
Note: The tilt hoses and if equipped, auxiliary
hoses may need to be moved during removal of
extend/retract cylinder.
MY2670
14
15
MY8610
19
18
17
16