Manitowoc MLC165-1 - Operator Manual and Capacity Chart Management

Reference Only
Manitowoc Published 05-26-17, Control # 238-02 2-3
MLC165-1 SERVICE/MAINTENANCE MANUAL HYDRAULIC SYSTEM
2
2
Swing Pump
The swing pump (Figure 2-3) is part of a closed system
containing the swing pump and motor. Swing pump flow is
both directional and variable, as controlled by position and
proportional solenoid valves at the swing pump. See Swing
Pump Control on page 6-3 for a detailed description of the
swing pump and swing system control.
Figure 2-3. Swing Pump
Item Description
A, B Service Line Ports
T1 Case Drain (or filling) Port
T2 Case Drain (or draining) Port
S Boost Suction Port
X1 / X2 Control Pressure Ports
FA Filter Outlet
PS Control Pressure Supply
MA / MB Measurement Point, Operating
Pressure A, B
R Air Bleed
G Pressure Port for Auxiliary Circuits
MH Port for Balanced High Pressure