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
6-73
12. Cycle all boom hydraulics several times to remove air from system.
Retract and lower boom to ground and shut off engine.
13. Inspect hydraulic connections for leaks and tighten as necessary.
Disassembly
2-Section Boom
1. Remove boom assembly from machine. See page 6-69.
2. Remove the front carriage tilt cylinder. See page 6-18.
3. Place the boom assembly on work stands in an upright position.
Fig. 6-71: Front Slide Pads, Outer Boom
4. (Ref. Fig. 6-71) Remove eight (8) slide pads and attaching hardware
from the front of the outer boom section.
J1078