Hatz 2-4L30 Workshop Manual page 166

Trouble-shooting table for electrical system
Trouble-shooting at the battery
Malfunction
Rate of charge never
adequate.
4
L / M . . / 07.96
Indication
Terminal voltage soon
drops to 7 V after
recharging (12 V
nominal voltage) or to
14 V (24 V nominal
voltage).
Cause
Fault in generator, volta-
ge regulator or wiring
connections.
V-belt too loose.
To many consumers
connected or generator
is too small.
Remedy
Repair or renew gene-
rator and voltage regu-
lator. Connect wiring
firmly.
Corret tension or renew
V-belt
Install battery and
generator with similar
ratings.