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
Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
6-1
Section 6 — Boom and Transfer
Boom and Transfer Hydraulics
General Description
Fig. 6-1: Major Boom and Transfer Hydraulic Components
(Ref. Fig. 6-1) The following are major boom and transfer components:
• Boom - 2, 3, or 4 Sections
• Boom Extension Cylinder (not visible in illustration)
• Front Carriage Tilt Cylinder
• Boom Hoist Cylinder
• Rear Carriage Tilt Cylinder
• Joystick Controls
• Transfer Carriage (Models 644B, 844C, and 1044C)/Boom Cradle
(Models 6K, 8K, and 10K)
Further information on the hydraulic system can be found in Section 4.
Carriage/
0
80
60
40
20
-20
Boom
Rear Carriage
Hoist
Front Carriage
Tilt Cylinder
Tilt Cylinder
Tran sfer
Cradle
Cylinder
Joystick
Controls
Boom
J1116