Wacker Neuson 28Z3 Service Manual

SHB 28Z3 EN – Edition 2.0 * 28z3s510.fm 5-27
Hydraulic system
5.9 Swivel joint
8-port swivel joint
The swivel joint ensures the oil flow between the upper carriage and the undercarriage.
Replace the sealing rings
☞ Slacken circlip 11 on the lower side
☞ Pull the swivel joint apart
☞ Replace the sealing rings
☞ Push the swivel joint together again
☞ Insert circlip 11 again
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Pos. Port Pos. Designation
1a Pilot control pressure (PV) pilot oil supply unit 1-8 Sealing rings
2a and 4a Right-hand drive 9 PU prop ring
3a and 5a Left-hand drive 10 V sealing ring
6a and 7a Stabiliser blade 11 Circlip
8a Travelling drive tank line 12 Inside part
13 Outside part

Wacker Neuson 28Z3 Specifications

General

Brand	Wacker Neuson
Model	28Z3
Category	Excavators
Language	English