Volkswagen Marine SDI Series Operating Manual page 55

INSPECTION
Important
Observe the safety precautions
beginning on page 17 before
performing out any work on the
engine or
compartment.
Acid level
Check the acid level and add distilled water
if necessary up to the acid level marking or
5 mm above the separators.
Charging state
Determine the battery charging state
by checking the acid density or the battery
voltage.
Acid density (specific weight)
charged = 1.285
discharged = 1.12
54
54
in the engine
Total voltage
Determine the total voltage only when the
battery is loaded with a voltage tester:
- test duration: 5 to 10 seconds
- nominal voltage 12 volts
- discharged 9.6 volts
Battery terminals
Clean and grease terminals and note exter-
nal condition of battery, e.g. raised plates,
cracked housing.
Observe the instructions on page 53.
INSPECTION