Lull 1044C-54 Series II Service Manual - Manual (Page 210)

Boom and Transfer
6-68 31200079
6. (Ref. Fig. 6-70) Remove extension cylinder as follows:
a. Support the extension cylinder with sling(s) or other suitable
means. Make sure support items have sufficient capacity to
support the weight of the cylinder. The extension cylinder weighs
650 pounds.
b. Loosen and remove two (2) hydraulic tubes (Item 9) from elbows
(Item 8) on boom extension cylinder (Item 5). Bleed any remaining
oil into a suitable container. Tag and cap fittings and tubes.
c. Loosen nut on two (2) cushion clamps (Item 10) and remove
clamps and hydraulic tubes from mounting channel on outer boom
section.
d. Loosen two (2) socket setscrews (Item 2) in rod nut (Item 1).
e. Loosen and remove rod nut and rod boss (Item 3) securing boom
extension cylinder to front of middle (rear) boom section (Item 4).
f. Loosen and remove hardware securing extension cylinder to outer
boom section as follows:
Remove two (2) each nuts (Item 14), capscrews (Item 6), and
flatwashers (Item 7) securing extension cylinder base mount
(Item 11) to outer boom section. Remove the shim(s) (Items 12
and 13).
g. Remove the extension cylinder.
7. Turn boom assembly over and place it on work stands in upright
position.
8. (Ref. Fig. 6-67) Remove upper slide pads on outer boom as follows:
a. Remove four (4) capscrews (Item 16) and lockwashers (Item 15)
securing top slide pads (Item 12) to outer boom.
b. Remove the two (2) slide pads and shims (Item 13).
Fig. 6-71: Upper Front Slide Pad Removal – Middle (Rear) Boom Section
J1
2
7
2 3
4
1
2
# Description
1 Button-Head Socket Capscrew
2 Lockwasher
# Description
3 Shim
4 Upper Front Slide Pad