Lull 6K Service Manual - Manual (Page 362)

Boom and Transfer
6-112 Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
Fig. 6-117: Boom Extension Cylinder Removal – 3-Section Boom
33. (Ref. Fig. 6-117) Remove the boom extension cylinder as follows:
a. Remove the two hydraulic tubes (Item 17) from the manifold block
on the boom extension cylinder (Item 18).
b. Secure the boom extension cylinder and remove the two (2)
capscrews (Item 15) and lockwashers (Item 16) securing the boom
extension cylinder to the outer boom section.
c. Remove the two (2) capscrews (Item 10) and lockwashers (Item 9)
along with the cylinder support bracket (Item 8).
d. If the boom extension cylinder is to be replaced and the machine
being worked on has outriggers, remove the cylinder stop
assembly as shown in View A or View B (Items 1 thru 7 or Items 11
thru 14).
34. Remove the boom angle inclinometer. See page 6-60.
0
80
6 0
4 0 2 0
- 2 0 J
1290
1
11
8
# Description
1 Capscrew
2 Cylinder Stop
3 Lockwasher
4 Nut
5 Capscrew
6 Lockwasher
7 Nut
8 Cylinder Support Bracket
9 Lockwasher
# Description
10 Capscrew
11 Cylinder Stop
12 Capscrew
13 Lockwasher
14 Nut
15 Capscrew
16 Lockwasher
17 Hydraulic Tube
18 Boom Extension Cylinder
View A – Models with Outriggers
(Early Production Models)
View B – Models with Outriggers
2
3
5
5
6
7
9
10
12
13
14
18
17
16
15