HYDRAULIC SYSTEM MLC300 SERVICE/MAINTENANCE MANUAL
2-2
Published 11-22-17, Control # 257-02
Pumps 1 and 2
Pumps 1 and 2 (Figure 2-2) are 165cc, variable-
displacement, axial piston pumps. Each pump’s direction
and displacement are controlled by an electronic
displacement control (EDC).
Both pumps have a maximum operating pressure of 420 bar
(6,090 psi).
Item Description
1 Case Pressure Port L1
2 Servo Gauge Port M4
3 System Port B
4 Charge Inlet Port
5 System Port A
6 Case Drain L4
7 Charge Pressure Port
8 Servo Gauge Port M5
9 Case Pressure Port L3
10 Case Drain Port L2
11 Charge Gauge Port M3
12 System A Gauge Port MA
13 Charge Filtration Port E
14 Charge Pressure
15 System B Gauge Port MB
16 Charge Filtration Port B
FIGURE 2-2