Manitowoc MLC150-1, Service Maintenance Manual

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HYDRAULIC SYSTEM MLC150-1 SERVICE/MAINTENANCE MANUAL
2-6
Published 03-21-2021, Control # 264-01
Pilot Pump
The Pilot pump ( Figure 2-6 ) is a 16 cc/rev, fixed-
displacement gear pump.
The pump has a maximum operating pressure of 55 bar (800
psi).
Free Fall Pump
The Freefall pump ( Figure 2-6 ) is a fixed-displacement dual
gear pump. Output 1 (O1) displacement is 32 cc/rev. Output
2 (O2) displacement is 22,5 cc/rev
The pump has a maximum operating pressure of: O1=5 bar
(73 psi); O2=75 bar (1,090 psi).
FIGURE 2-6
Item Description
O Output
I Input from Tank
FIGURE 2-7
Item Description
O1 Output 1: Free Fall Cooling
O2 Output 2: Free Fall Pilot
I Input from Tank
REFERENCE
ONLY