HYDRAULIC SYSTEM MLC80A-1/MLC90A-1/MLC100A-1/MLC100-1 SERVICE/MAINTENANCE MANUAL
2-4
Published 10-09-2020, Control # 259-06
Pump 3
Pump 3 (Figure 2-4) is a 18 cc, variable-displacement pump.
Displacement is controlled by an electronic displacement
control (EDC).
The pump has a maximum operating pressure of 145 bar
(2100 psi).
Pump 4
See item 2 in Figure 2-2, page 2.
Pump 5
Pump 5 (Figure 2-5) is a 32 cc fixed-displacement gear
pump that is mounted to the engine for drum 1 and/or 2 free
fall operation (if equipped). They have a maximum operating
pressure of 75 bar (1087 psi). Its pressure is limited to 4.7
bar (68 psi) by a relief valve.
Item Description
1 Suction Port
2 Pressure Port
3 Tank Port
FIGURE 2-4
FIGURE 2-5
Item Description
1 Pressure Port
2 Pressure Port
3 Suction Port
4 Suction Port
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