Lull 6K Service Manual - Manual (Page 390)

Boom and Transfer
6-140 Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
Extension Cylinder
3-Section Boom
Description
Fig. 6-150: 3-Section Boom Extension Cylinder
(Ref. Fig. 6-150) The boom extension cylinder controls extension and
retraction of the boom. For models with a 3-section boom, it is located
beneath the outer boom. Operating pressure is 3000 psi.
0
80
60
40 20
-20
J
1
133