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
Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
6-81
Fig. 6-81: Extension Cylinder Rod End
5. (Ref. Fig. 6-81) Level the boom. Then loosen the two (2) setscrews
(Item 2) in the extension cylinder nut (Item 1). Remove the nut and
washer (Item 3).
6. (Ref. Fig. 6-81) For models with a 2" diameter rod in the boom
extension cylinder (Item 6), remove the cotter pin (Item 4). Models with
a 2.25" diameter rod do not have a cotter pin; proceed to Step 7.
Fig. 6-82: Hose Connections, 2-Section Boom
J1080
1
2
3
6
5
4
# Description
1Nut
2Setscrew
3 Washer
# Description
4 Cotter Pin
5 Mounting Block
6 Extension Cylinder
1
2
3
4
J1071
# Description
1 Auxiliary Hydraulic Hoses
2 Carriage Tilt Hoses
# Description
3 Boom Extension Hoses
4 Boom Extension Cylinder