Forks; Quick Attach Installation - JLG G5-18A Service Manual

3.5.6

Quick Attach Installation

1. Assemble the quick attach to the boom head. Line
up the quick attach between the mounts on the
boom head. The quick attach should be centered in
the boom head.
2. Coat the quick attach pivot pin (17) with an anti-
seize compound. Insert the quick attach pivot pin
through the quick attach and boom head.Align the
pivot pin and quick attach. Install the lock bolt (16).
Torque to 72 lb-ft (97 Nm).
3. Align the quick attach with the tilt cylinder rod end
and insert the tilt cylinder pin (15). Align the tilt
cylinder pin and quick attach. Install the lock bolt
(14). Torque to 72 lb-ft (97 Nm).
4. If equipped, reconnect the hydraulic attach switch
device hoses (13) to the auxiliary valve on the left
side of the boom head.
G5-18A, 2505
3.6

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 (4) for cracks, paying special attention
to heel (5) and mounting tubes (6).
2. Inspect forks for broken or bent tips (7) and twisted
blades (8) and shanks (9).
Yearly Inspection
1. Straightness of the upper face of blade (8) and the
front face of shank (9) should not exceed 0.5 percent
of the length of blade or height of shank.
2. Angle (10) between upper face of blade and front
face of shank should not exceed 93 degrees.
3. Thickness of blade (13) and shank (14) should not
be reduced to 90 percent of original thickness.
4. Ensure fork length (12) is adequate for intended
loads.
5. Fork markings should be legible, re-stamp if
required.
6. Compare fork tips (11) when mounted on a carriage.
Maximum difference in height of fork tips is 3 percent
of the length of the blade (13).
6
9
10
8
5
14
Boom
7
4
11
13
12
MH6460
3-15