Wacker Neuson 28Z3 Service Manual

SHB 28Z3 EN – Edition 2.0 * 28z3s510.fm 5-17
Hydraulic system
Pump assignment
Hydraulic supply by pump 1
• Bucket section
• Boom section
• Right-hand drive section
Hydraulic supply by pump 2
• Left-hand drive section
• Stick section
• Auxiliary hydraulics section
Hydraulic supply by pump 3
• Auxiliary hydraulics section
• Auxiliary hydraulics flow rate adjustment segment
• 3rd control circuit (option)
• Boom swivel
• Stabiliser blade section
• Upper carriage rotation section
• Drive counterbalancing system section
Bucket
Left-hand drive
Stick
Auxiliary hydraulics
Stabiliser blade
Upper carriage rotation
Input P3
output T2
Boom
Right-hand drive
Input P1 P2
3rd control circuit (option)
Drive counterbal-
ancing system
Pump 3
Pump 2
Pump 1
Boom swivel
Auxiliary hydraulics flow
rate adjustment segment

Wacker Neuson 28Z3 Specifications

General

Brand	Wacker Neuson
Model	28Z3
Category	Excavators
Language	English