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
6-71
CAUTION: Use suitable blocking to support the cylinder and prevent
damage to the surrounding structure.
11. (Ref. Fig. 6-69) Repeat Step 10 for the remaining rear carriage tilt
cylinder.
12. (Ref. Fig. 6-69) Continue with each of the two (2) the hoist cylinders
(Item 7) by using a slide hammer puller threaded into pivot pin to
remove it. After the pivot pin has been removed, allow the cylinder to
swing down and away from the boom.
Fig. 6-70: Boom Pivot Pins, 2-Section
13. (Ref. Fig. 6-70) Remove two (2) nuts (Item 1), lockwashers (Item 2),
and capscrews (Item 4) from the boom pivot pins (Item 3).
J1073
3
1
2
3
4
2
1
5
6
5
7
4
# Description
1Nut
2 Lockwasher
3Boom Pivot Pin
4Bolt
# Description
5Shims
6 Transfer Carriage/Boom Cradle
7 Boom Assembly