Lull 6K Service Manual - Manual (Page 234)

Supply, Pressure, and Return Hydraulics
5-90 Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
Boom Extend Lockout Valve
Description
Fig. 5-57: Boom Extend Lockout Valve
(Ref. Fig. 5-57) The boom extend lockout valve is used on models with
outriggers and is standard equipment on 10K-54 and 1044C-54 models. It
is located on top of the rear axle stabilizer control valve.
Hydraulic Diagnostic Ports
General
The eight (8) hydraulic diagnostic ports are located beneath the operator’s
compartment and can be accessed through the opening in the operator’s
step.
Models with Control Manifold Hydraulics
6K-37 (S/N 101–317)
6K-42 (S/N 101–119)
8K-42 (S/N 101–220)
10K-42 (S/N 101–106)
10K-54 (S/N 101–103)
644B-37 (S/N 101–590, 592–666)
644B-42 (S/N 101–207)
844C-42 (S/N 101–621)
1044C-42 (S/N 101–116)
1044C-54 (S/N 101–154)
Fig. 5-58: Hydraulic Diagnostic Ports - Models with Control Manifold
Hydraulics
SV1
PD1
OR3
C D
K
1
154
Front View
PUMP 1 PUMP 2 CARR. TILT
(BASE END)
CARR. TILT
(ROD END) BRAKES STEERING PILOT ACCUM.
K
1067