Service Manual User guide
Table Of Contents
- 10709790_B_644B,6K,844C,8K,1044C,10K_Lull_Service_Mnl
- Quick Reference
- Revision Record
- Table Of Contents
- List Of Figures
- List Of Tables
- Section 1 Safety
- Section 2 Identification & Specifications
- Section 3 General Maintenance
- Section 4 Reference Diagrams
- Section 5 Supply, Pressure & Return Hydraulics
- Section 6 Boom & Transfer
- Section 7 Frame Tilt & Oscillation
- Section 8 Transmission
- Section 9 Brakes
- Section 10 Outriggers
Boom and Transfer
6-208
Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
Extension Cylinder
4-Section Boom
Description
Fig. 6-224: 4-Section Boom Extension Cylinder
The 4-section boom extension cylinder is located beneath the boom
assembly. It is attached from the middle (rear) to the outer boom section.
Its operating pressure is 3000 psi and weighs 650 pounds. When
completely retracted, it is 149-3/4" long. When fully extended, it is 280-3/4"
long.
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