Lull 1044C-54 Series II Service Manual - Manual (Page 85)

Supply, Pressure, and Return Hydraulics
31200079 5-3
Hydraulic Systems
Mid-Inlet Hydraulic System
Fig. 5-2: Mid-Inlet Hydraulic Components
The term “mid-inlet hydraulic system” is used to reference and differentiate
the types of components used in the hydraulic system. This system was
designed to simplify the hydraulic system and improve overall reliability. It
uses a rear axle stabilizer control valve along with a mid-inlet directional
control valve assembly to control all hydraulic functions.
General Hydraulic Maintenance Practices
Safe Maintenance Practices
MV0030
Mid-Inlet Directional
Control Valve
Assembly
Rear Axle Stabilizer
Control Valve
WARNING
HIGH PRESSURE FLUID
HAZARD
To prevent serious personal
injury or death:
• Relieve system pressure
before adjusting,
repairing, or
disconnecting
components.
• Wear proper hand and
eye protection. Use
cardboard to search for
leaks.
• Keep all components in
good repair.
W1047