JLG G5-18A Service Manual - Manual (Page 43)

3-11 G5-18A, 2505H, 25.5
Boom
3.6.2 Quick Attach Assembly Installation
1. Line up quick attach assembly between mounts on
boom head. Quick attach assembly should be
centered in boom head.
2. Coat quick attach pivot pin (9) with an anti-seize
compound. Insert quick attach pivot pin through
quick attach assembly and boom head. Align pivot
pin and quick attach assembly. Install lock bolt (8).
Torque to 72 lb-ft (97 Nm).
3. Align quick attach assembly with tilt cylinder rod end
and insert tilt cylinder pin (7). Align tilt cylinder pin
and quick attach assembly. Install lock bolt (6).
Torque to 72 lb-ft (97 Nm).
4. If equipped, uncap and reconnect hydraulic quick
attach assembly device hoses (5) to valve on left
side of boom head.
5. Clean up all debris, hydraulic fluid, etc., in, on, near
and around machine.
6. Properly connect battery.
7. Close and secure engine cover.
8. Remove a Do Not Operate Tag on both ignition key
switch and steering wheel.
3.7 FORKS
Forks should be cleaned and inspected prior to being
attached to carriage. If the following criteria is not met,
forks must be removed from service immediately.
Daily Inspection
1. Inspect forks (10) for cracks, paying special attention
to heel (11) and mounting tubes (12).
2. Inspect forks for broken or bent tips (13) and twisted
blades (14) and shanks (15).
Yearly Inspection
1. Straightness of the upper face of blade (14) and the
front face of shank (15) should not exceed 0.5
percent of the length of blade or height of shank.
2. Angle (16) between upper face of blade and front
face of shank should not exceed 93 degrees.
3. Thickness of blade (17) and shank (18) should not
be reduced to 90 percent of original thickness.
Note: Contact local JLG dealer with fork part number to
find manufactured dimensions of fork blade.
4. Ensure that fork length (19) is adequate for the
intended loads.
5. Fork markings should be legible, re-stamp
if required.
6. Compare fork tips (20) when mounted on a carriage.
Maximum difference in height of fork tips is 3 percent
of length of blade (21).
MH6460
12
11
15
16
14
10
13
18
21
19
20