Wacker Neuson 28Z3

SHB 28Z3 EN – Edition 2.0 * 28z3s510.fm 5-21
Hydraulic system
5.7 Travelling drive
• Swash-plate piston motor
• The drive has 2 speed ranges switched via 2 capacity positions
.
1 2
3
5
6
1
2
3
5
4
7
8
Pos.
Designation
1
Drive port (-> swivel joint right 4/left 3)
2
Drive port (-> swivel joint right 2/left 5)
3
2nd speed range port (-> swivel joint 8)
4
Directional valve forwards/reverse = brake piston
5
Leak oil port (-> swivel joint 1)
6
2nd drive speed valve
7
Pressure limiting valves
8
Shuttle valve