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
6-180
Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
Fig. 6-196: Tubes and Hoses – Middle (Rear) and Outer Boom Sections
38. (Ref. Fig. 6-196) Remove middle (rear) boom section hoses as follows:
For Models 1044C-54 (S/N 101–144 and 148) and 10K-54 (S/N
101–102):
a. Loosen and remove two (2) auxiliary and two (2) carriage tilt
hydraulic hoses (Items 1 and 2) from elbows (Item 4).
b. Bleed any remaining oil into a suitable container and remove hoses
from inside middle (rear) boom section (Item 3). Tag and cap hoses
and fittings.
For Models 1044C-54 (S/N 145–147 and 149–) and 10K-54 (S/N
103–):
a. Loosen and remove two (2) auxiliary and two (2) carriage tilt
hydraulic hoses (Items 1 and 2) from hydraulic manifold block
(Item 11).
J1239
# Description
1 Auxiliary Hydraulic Hose
2 Carriage Tilt Hydraulic Hose
3 Middle (Rear) Boom Section
4Elbow
5 Auxiliary Hydraulic Tube
6 Carriage Tilt Hydraulic Tube
# Description
7Nut
8 Lockwasher
9Clamp
10 Cushion Clamp
11 Hydraulic Manifold Block
12
4
5
1044C-54 (S/N 145–147 and 149–)
3
6
9
1044C-54 (S/N 101–144 and 148)
1
2
10
4
8
7
10
7
8
9
3
5
6
11
10K-54 (S/N 101–102)
10K-54 (S/N 103–)