Wacker Neuson 28Z3 User Manual

OM 28Z3 US – Edition 2.0 * 28Z3b530.fm 5-24
Maintenance
Adjusting the track tension
Caution!
Projectile hazard.The grease fitting for track adjustment is subject to high pressure.
The grease fitting can become a projectile if pressure caused by track tension is not
properly relieved..
• Do not remove the grease fitting.
• Wear safety goggles, gloves and protective clothing to reduce skin exposure to
grease. Wipe grease from skin and seek immediate attention if grease contacts
eyes.
• When relieving the pressure in the track tension system, do not turn the grease
fitting farther than one counter-clockwise turn.
• Do not loosen any part of the track tension system until the pressure has been
released from the track tension system.
• Keep your face away from the lubricating valve connection..
• Do not use auxiliary force on the track or idler in an effort to force grease from the
loosened fitting. Contact your Wacker Neuson dealer and wait for a qualified
technician to determine the problem and how to solve it..
NOTICE
Possibility of equipment damage. Excessive tension of the tracks causes
severe damage to the ram and the track.
• Tighten the tracks only up to the prescribed measuring distance.
Tightening the tracks
☞ Inject grease with the pump through lubricating valve.
☞ Check the tension is correct by starting the engine, letting it run at idling speed and slowly
moving the machine forward and reverse and switching it off again.
☞ Check the tension of the track tracks again .
➥ If it is not correct:
☞ Adjust again.
☞ Contact your Wacker Neuson dealer if the procedure for tightening the tracks does not correct
the track tension.
Reducing tension
• Drain the grease as described below. Do not drain it in any other way. Also bear in mind the
safety instructions on this page.
☞ Slowly open the lubricating valve A by 1 turn to allow the grease to flow out.
☞ Place a suitable container underneath to collect the grease.
➥ The grease flows out of the groove of the lubricating valve.
☞ Retighten the lubricating valve A.
☞ Check the tension is correct by starting the engine, letting it run at idling speed and slowly
moving the machine forward and reverse and switching it off again.
☞ Check the tension of the track tracks again .
➥ If it is not correct:
☞ Adjust again.
Environment!
Use a suitable container to collect the grease as it flows out and dispose of it in an environ-
mentally friendly manner.
Fig. 132: Tightening the tracks
A
Fig. 133: Draining grease
A

Wacker Neuson 28Z3 Specifications

General

Brand	Wacker Neuson
Model	28Z3
Category	Excavators
Language	English