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
Reference Diagrams
4-7
Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
3170
PSI
FRAME
TILT
TRANSFER
CARRIAGE
TILT
AUX. 1
A
A
A
A
B
B
B
B
2800
PSI
A6
A4
B4
B6
BOOM HOIST
TELESCOPE
AA
B
BOOM
A2
B5
A5
A1
B1
A2
B2
2800
PSI
P
B2
B
A
B3
A3
2750
PSI
B
UNLOADER
Mid-Inlet
Control
Valve
Mid-Inlet Port
Schematic Symbol for Mid-Inlet Control Valve
This diagram applies to the following Model(s) and serial numbers:
644B-37 ....... S/N: 591, 667-
644B-42 ....... S/N: 208-
Schematic, Model 644B w/Naturally Aspirated Engine, Mid-Inlet Hydraulic System - Diagram 2