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
6-176
Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
Fig. 6-191: Upper Chain Assembly
31. (Ref. Fig. 6-191) Remove nut (Item 4) and lockwasher (Item 3)
securing upper chain anchor (Item 1) to outer boom section (Item 5).
Remove upper chain assembly from boom.
Fig. 6-192: Upper Chain Roller Assembly – Middle (Rear) Boom Section
0
80
60
40
20
-20
J1225
1
3
4
5
2
# Description
1 Chain Anchor
2Jam Nut
3 Lockwasher
# Description
4Nut
5 Outer Boom Section
0
80
60
40
20
-20
J1226
5
1
2
7
8
9
10
3
4
3
2
1
6
# Description
1 Chain Guide Washer
2 Chain Roller Bushing
3 Hardened Bushing
4 Chain Roller
5 Grease Fitting Cover
# Description
6 Grease Fitting
7Lock Pin
8 Lockwasher
9Capscrew
10 Chain Roller Pin