Manitowoc MLC300 Service And Maintenance Manual

Reference Only
Manitowoc Published 11-22-17, Control # 257-02 2-15
MLC300 SERVICE/MAINTENANCE MANUAL HYDRAULIC SYSTEM
2
Table 2-1. Closed-Loop Circuit Hydraulic Specifications
Table 2-2. Open-Loop Circuit Hydraulic Specifications
Function
Speed
1
RPM
Pump
Number
Pump
Port
Pressure
2
Bar (PSI)
Charge Pressure
Bar (PSI)
Drum 1 Hoist Up 42 to 46
2
A
420 (6,090) 24 (350)
Drum 1 Hoist Down 37 to 44 B
Drum 2 Hoist Up 34 to 38
1
B
Drum 2 Hoist Down 30 to 36 A
Drum 3 Hoist Up 34 to 38
2
B
Drum 3 Hoist Down 30 to 36 A
Swing Left
1.8 to 2 (one drive) 5
B
Swing Right A
1
Speeds are based on high engine idle, no rope on drums, and handles moved fully forward or back. Speeds can vary plus or minus 5%.
2
Pressures are controlled by relief valves in each pump.
Function
Speed
1
RPM
Pump
Number
Pump
Port
Pressure
2
Bar (PSI)
Charge Pressure
Bar (PSI)
Drum 4 Hoist Up 17 to 19
3 and 4
B
320 (4,641)
NA
Drum 4 Hoist Down 16 to 18 A
Drum 6 Hoist Up and Down 28 to 34 3
A Up
B Down
Right Travel Reverse
5.5 to 6.9 at tumbler
3
A
Right Travel Forward B
Left Travel Reverse
4
A
Left Travel Forward B
Accessories NA 3 and 4 NA 315 (4,568)
1
Speeds are based on high engine idle, no rope on drums, and handles moved fully forward or back. Speeds can vary plus or minus 5%.
2
The load sensing pressure is limited to 320 bar (4,641 psi). The pump compensator pressure is limited to 355 bar (5,148 psi).

Manitowoc MLC300 Specifications

General

Brand	Manitowoc
Model	MLC300
Category	Construction Equipment
Language	English