Wacker Neuson 28Z3 User Manual

OM 28Z3 US – Edition 2.0 * 28Z3b520.fm 5-15
Maintenance
Retightening the V-belt
NOTICE
Possible engine damage. Overtightening the V-belt may damage the V-belt,
the V-belt guide, the alternator bearing and the water pump bearing.
• Avoid contact of oil, grease or similar substances with the V-belt.
• Check V-belt tension – see Checking V-belt tension on page 5-14
• Retighten as follows:
☞ Stop the engine.
☞ Fold the control lever base up.
☞ Remove the key and carry it with you.
☞ Disconnect the battery or the battery master switch.
☞ Let the engine cool down.
☞ Open the engine cover.
☞ Loosen fastening screws 3 and 4 (below) of alternator 5.
☞ Use a suitable tool to push alternator 5 in the direction of arrow A until reaching the
correct V-belt tension (fig. 125).
☞ Keep alternator 5 in this position, and at the same time retighten fastening screws 3
and 4 (below).
☞ Check V-belt tension again and adjust it if necessary.
☞ Connect the battery or the battery master switch.
☞ Close the engine cover.
Fig. 125: Retightening the V-belt
A
5
3
4

Wacker Neuson 28Z3 Specifications

General

Brand	Wacker Neuson
Model	28Z3
Category	Excavators
Language	English