Lull 944E-42 Service Manual - Manual (Page 53)

3-23 944E-42
Boom
3.6 QUICK ATTACH ASSEMBLY
3.6.1 Quick Attach Removal
1. Remove the lock bolt holding (6) the tilt cylinder rod
end pin (7) to the quick attach assembly (8). Remove
the Tilt Cylinder pin.
2. Support the quick attach assembly. Remove the
capscrew and locknut (9) securing the quick attach
pivot pin (10) to the quick attach assembly. Remove
the quick attach pivot pin and assembly. Record the
location and quantity of the shim washers as the pin
is being removed.
3. Inspect the above pins for nicks or surface corrosion.
Use fine emery cloth to fix minor nicks or corrosion.
If damaged or if it cannot be repaired the pin must be
replaced.
3.6.2 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. Reassemble the shims between the
quick attach and the boom head.
2. Coat the quick attach head pin with an anti-seize
compound. Insert the quick attach head pin through
the quick attach and boom head. Secure with the
previous capscrew and locknut.
3. Align the quick attach with the tilt cylinder rod end
and insert the tilt cylinder pin. Align the tilt cylinder
pin and screw in the locking bolt. Torque as required.
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 (1) for cracks, paying special attention
to heel (2) and mounting tubes (3).
2. Inspect forks for broken or bent tips (4) and twisted
blades (5) and shanks (6).
Yearly Inspection
1. Straightness of the upper face of blade (5) and the
front face of shank (6) should not exceed 0.5 percent
of the length of blade or height of shank.
2. Angle (7) between upper face of blade and front face
of shank should not exceed 93 degrees.
3. Thickness of blade (8) and shank (9) should not be
reduced to 90 percent of original thickness.
Note: Contact the local distributor with the fork part
number to find the manufactured dimensions of the fork
blade.
4. Ensure fork length (10) 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 (10).
MU7660
6
7
8
9
10
MH6460
3
2
6
7
5
1
4
9
8
10
11