Manitowoc 18000 Service Maintenance Manual

Reference Only
HYDRAULIC SYSTEM 18000 SERIVCE/MAINTENANCE MANUAL
2-24 Published 12-05-17, Control # 035-23
HYDRAULIC SYSTEM SPECIFICATIONS - 18000
Table 2-10 Hydraulic System Specifications
Function Direction
Pump-Motor Port
Connections
System
Pressure 1
1
psi (bar)
System
Pressure 2
2
psi (bar)
Charge
Pressure
Speed
3
rpm
Main Hoist 1
Lower Pump A to Motor A
6,090 (420)
Hoist or Lower
N/A 350 (24)
32 to 38
Hoist
Pump B
to Motor B
36 to 40
Main Hoist 1/3
4
Lower Pump A to Motor B 32 to 38
Hoist Pump B to Motor A 36 to 40
Main Hoist 2
Hoist
Pump A
to Motor B
36 to 40
Lower Pump B to Motor A 32 to 38
Main Hoist 2/5
5
Hoist Pump B to Motor A 36 to 40
Lower Pump A to Motor B 32 to 38
Whip Line Hoist 3
4
Hoist Pump B to Motor A 36 to 40
Lower Pump A to Motor B 32 to 38
Boom Hoist 4A
Hoist
Pump A
to Motor A
6,090 (420)
Hoist or Lower
N/A 350 (24)
41 to 45
Lower Pump B to Motor B 36 to 43
Boom Hoist 4B
Hoist
Pump B
to Motor A
41 to 45
Lower Pump A to Motor B 36 to 43
Mast Hoist 5
5
Hoist
Pump B
to Motor A
26 to 29
Lower Pump A to Motor B 23 to 28
Luffing Jib Hoist 6
Lower Pump A to Motor B 32 to 38
Hoist
Pump B
to Motor A
36 to 40
Rigging Winch
Haul In Open Loop to Tank
3,000 (204) N/A N/A 85 to 90
Pay Out Open Loop to Tank
Swing 1
Left
Pump A
to Motors B & B
6,090 (420)
Right or Left
N/A
350 (24)
1.1 to 1.2
Right Pump B to Motors A & A
Swing 2
6
Left Pump B to Motors B & B
Right
Pump A
to Motors A & A
Left Side Travel
Forward Pump B to Motors A & A
6,090 (420)
Forward or Reverse
5.3 to 5.8
at Tumbler
Reverse Pump A to Motors B & B
Right Side Travel
Forward Pump B to Motors A & A
Reverse Pump A to Motors B & B
Accessory Pumps
7
Open Loop to Tank
N/A 0 to 3,000 (0 to 204) N/A N/A
Notes
1 Controlled by multi-function valves in each pump.
2 Controlled by crane’s programmable controller.
3 Speeds based on engine at high idle, no load (no rope on drums), and handles moved fully forward or back.
4 Pump used for main hoist 1 right side or whip line hoist. Computer selects first handle moved.
5 Pump used for main hoist 2 right side or mast hoist. Computer selects first handle moved.
6 Swing 2 pump is optional
7
Accessory pumps are the source of hydraulic pressure for accessory system and high pressure accessory components.
Items include swing and travel brakes, Boom hinge pin cylinders, rotating bed jacking cylinders, front and rear adapter frame
pin cylinders, mast pins and raising cylinders, cab tilt cylinder, rigging winch, and crawler pin cylinders. Computer controls
pump pressure depending on accessory selected.

Manitowoc 18000 Specifications

General

Brand	Manitowoc
Model	18000
Category	Construction Equipment
Language	English