JLG G5-18A Service Manual - Manual (Page 39)

3-7 G5-18A, 2505H, 25.5
Boom
12. Start engine and operate all boom functions several
times to bleed any air out of hydraulic system. Check
for fluid leaks. Check hydraulic fluid level in tank and
add fluid as required.
13. Check clearance (12) between the tilt hoses (and if
equipped) auxiliary hoses and the front of the
extend/retract cylinder trunnion. There should be
approximately 1/2 in. (12,7 mm) of clearance.
14. If adjustment is needed, loosen the tilt tubes (and if
equipped) auxiliary tubes. Move tubes to achieve the
proper clearance.
15. Clean up all debris, hydraulic fluid, etc., in, on, near
and around the machine.
16. Close and secure the engine cover.
17. Remove Do Not Operate Tags from both ignition key
switch and the steering wheel.
18. Install previously removed attachment to quick
attach assembly.
3.4.5 Extend/Retract Cylinder Removal
Note: Boom must be properly aligned (level) with
access hole at rear of frame to allow removal of
extend/retract cylinder barrel mounting pin.
1. Remove any attachment from quick attach assembly.
2. Be sure there is enough room in front of machine to
allow boom sections to be removed.
3. Park machine on a hard, level surface.
4. Fully retract boom, lower boom, place transmission
control lever in (N) NEUTRAL.
5. Engage park brake and shut engine OFF.
6. Place a Do Not Operate Tag on both ignition key
switch and steering wheel.
7. Open engine cover and properly disconnect battery.
8. Allow system fluids to cool.
9. Remove the quick attach assembly. Refer to Section
3.6.1, “Quick Attach Assembly Removal.”
10. Remove cylinder rod eye retaining clips and
mounting pin (13) at side of second boom section.
MY2000
12
MY2680
13