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

Supply, Pressure, and Return Hydraulics
Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
5-93
Removal
Roll-Back Hose Tray
Models with Control Manifold Hydraulics
6K-37 (S/N 101–317)
6K-42 (S/N 101–119)
8K-42 (S/N 101–220)
10K-42 (S/N 101–106)
10K-54 (S/N 101–103)
644B-37 (S/N 101–590,
592–666)
644B-42 (S/N 101–207)
844C-42 (S/N 101–621)
1044C-42 (S/N 101–116)
1044C-54 (S/N 101–154)
(Ref. Fig. 5-61) The following procedure describes removal of the roll-back
hose tray used in models with control manifold hydraulics.
1. Follow preparation procedures as outlined in Section 3 of this manual.
2. Loosen self-locking nuts for the 1” and 1-1/8” cushion clamps (Items 7
and 8) that secure the hydraulic hoses to the roll-back hose tray
(Item 5).
3. Slide the cushion clamps out of the roll-back hose tray channel.
4. Remove the four (4) each truss head screws (Item 4) and lockwashers
(Item 3) that secure the roll-back hose tray to the two (2) hose tray
support brackets (Item 2).
5. Remove the roll-back hose tray from the machine.