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
6-177
32. (Ref. Fig. 6-192) Remove capscrew (Item 9), lockwasher (Item 8), and
lock pin (Item 7) from chain roller pin (Item 10).
33. (Ref. Fig. 6-192) Remove chain roller pin along with two (2) each chain
guide washers (Item 1), chain roller bushings (Item 2), hardened
bushings (Item 3), and the chain roller (Item 4).
Fig. 6-193: Removing Lower Chains
34. (Ref. Fig. 6-193) Remove lower chains from the middle (rear) and
outer boom sections as follows:
a. Remove capscrew (Item 2) and lockwasher (Item 1).
b. Remove chain adjustment rod (Item 3).
c. Pull the chain assembly (Items 4 thru 7) out through rear of boom.
35. Slide middle (rear) boom out of outer boom section and place it on
work stands in upright position.
0
80
60
40
20
-20
J1230
1
2
3
6
7
4
5
1
2
3
6
7
5
4
Middle (Rear) Boom Section Outer Boom Section
# Description
1 Lockwasher
2 Button Head Capscrew
3 Chain Adjustment Rod
4Lock Nut
# Description
5Chain
6 Chain Adjustment Block
7 Shoulder Bolt