Alternator; Alternator Maintenance - Zetor 8621 Forterra turbo Operator's Manual

ALTERNATOR

Alternator is accessible after removing
the right side shield. Charging status is
indicated by the red indicator lamp on
the instrument panel.
Damaged indicator lamp
12 V 1,2 W must be immediately ex-
changed.
All wires connected with the
alternator must be disconnected
when repairing tractor by electric
arc welding. Protect the wire
"+B" against short circuit.
ELECTRICAL INSTALLATION
F 299

ALTERNATOR MAINTENANCE

- Protect the alternator against penetration of water or diesel fuel when washing
and cleaning the tractor.
- Battery must be never disconnected from alternator within the operation!
- The alternator must never run without load i.e. with disconnected terminal "+B"
bulb and connected terminal "+D". When increased engine speed, this status would
create excessively high voltage of alternator and the voltage would damage the
alternator electronics.
- Never create the short circuit of any alternator connector within the operation!
- Alternator must not be additionally excited. Alternator electronics is damaged in
this case.
- Keep the perfect electrical connection of alternator terminals and perfect alter-
nator ground.
208
F 300