Lull 6K Service Manual - Manual (Page 330)

Boom and Transfer
6-80 Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
Extension Cylinder
2-Section Boom
Description
Fig. 6-80: 2-Section Boom Extension Cylinder
(Ref. Fig. 6-80) The boom extension cylinder controls extension and
retraction of the boom. For models with a 2-section boom, it is located
inside the boom. Operating pressure is at 3000 psi.
Removal, Boom Extension Cylinder
The following procedure describes removal of the boom extension
cylinder.
1. Follow safety guidelines as outlined in Section 1 of this manual. Make
sure to park the machine on a level surface and use appropriate tools
when working with heavy equipment. Always make sure to follow
safety precautions when dealing with hydraulic fluid under pressure.
2. Remove attachment. See page 6-54.
3. Remove the Quick Attach. See page 6-58.
4. Remove the front carriage tilt cylinder. See page 6-18.
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80
60 40 20
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