Lull 6K Service Manual - Manual (Page 94)

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
A A
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