Lull 6K Service Manual - Manual (Page 90)

Reference Diagrams
4-3 Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
P1G
P1
STB
P2
ST LS CF PSG
LC
2200
CS
PF
1200/1600
PU
PLT
F
PR
PG
CV
PD
.040
OR1
STP ACG
EF
T
AC
SW
B
450
PSI
.040
OR2
PSI
PSI
A5
B5
HR
HL
OUT
2
3
T
RET
A2
1
IN
This diagram applies to the following Model(s) and serial numbers:
644B-37 ....... S/N: 428, 429, 485-590, 592-666
644B-42 ........ S/N: 137-207
Schematic, Model 644B w/Naturally Aspirated Engine, Control Manifold Hydraulic System-Diagram 1