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
Summary of Contents for 28Z3
Page 1: ...Track Excavator 28Z3 OPERATOR S MANUAL 5200005459 1 0 0312 5 2 0 0 0 0 5 4 5 9...
Page 43: ...OM 28Z3 US Edition 2 0 28Z3b110 fm 1 15 Introduction 1 11 Symbols from AG01686 Overview...
Page 52: ...1 24 OM 28Z3 US Edition 2 0 28Z3b110 fm Introduction...
Page 66: ...2 14 OM 28Z3 US Edition 2 0 28Z3b210 fm Safety Information...
Page 142: ...3 76 OM 28Z3 US Edition 2 0 28Z3b340 fm Operation...
Page 146: ...4 4 OM 28Z3 US Edition 2 0 28Z3b410 fm Troubleshooting...
Page 188: ...5 42 OM 28Z3 US Edition 2 0 28Z3b560 fm Maintenance...
Page 198: ...6 10 OM 28Z3 US Edition 2 0 28Z3b610 fm Specifications...