Lull 6K Service Manual - Manual (Page 435)

Boom and Transfer
Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K 6-185
a. Install two (2) each auxiliary and front carriage tilt hydraulic hoses
(Items 2 and 3) on elbows (Item 4). Torque swivel nuts on hoses to
50–58 ft-lbs.
b. Install two (2) each auxiliary and front carriage tilt hydraulic tubes
(Items 9 and 10) on elbows. Make sure the tube is positioned so
that the longest portion of each tube will be close to the bottom of
the boom section. Torque swivel nuts on tubes to 50–58 ft-lbs.
c. Place hoses through openings in bottom and outer boom section.
d. Install a cushion clamp (Item 8) on each hydraulic tube as follows
(see View A):
1). Install plastic cushion (Item 15) on hydraulic tube.
2). Slide left cushion clamp half (Item 14) to correct position in
channel on bottom of outer boom (Item 1).
3). Position tube with cushion next to left cushion half and slide
right cushion half (Item 16) into channel.
4). Secure two halves of clamp together with lock nut (Item 17).
Tighten lock nut until snug.
e. Secure two (2) each tubes to bottom of boom section with two (2)
each clamps (Item 7), lockwashers (Item 6), and nuts (Item 5).
Torque nuts to 96 in-lbs.
For Models 1044C-54 (S/N 145–147 and 149–) and 10K-54 (S/N
103–):
a. Install auxiliary and hydraulic hoses (Items 2 and 3) to two (2)
hydraulic manifold blocks (Item 11). Torque swivel nuts on hoses to
50–58 ft-lbs.
b. Install auxiliary and front carriage tilt hydraulic tubes (Items 9 and
10) on manifold blocks. Make sure the tube is positioned so that the
longest portion of each tube will be close to bottom of the boom
section (Item 1). Torque swivel nut on tubes to 50–58 ft-lbs.
c. Place hoses through openings in bottom of outer boom section
(Item 1) and install hydraulic manifold blocks on outer section with
lockwashers (Item 12) and capscrews (Item 13). Torque capscrews
to 55 ft-lbs.
d. Install a cushion clamp (Item 8) on each hydraulic tube as follows:
1). Install plastic cushion (Item 15) on hydraulic tube.
2). Slide left cushion clamp half (Item 14) to correct position in
channel on bottom of outer boom (Item 1).
3). Position tube with cushion next to left cushion half and slide
right cushion half (Item 16) into channel.
4). Secure two halves of clamp together with lock nut (Item 17).
Tighten lock nut until snug.
e. Secure hydraulic tubes to bottom of boom section with two (2) each
clamps (Item 7), lockwashers (Item 6), and nuts (Item 5). Torque
nuts to 96 in-lbs.