Battery, Cables And Cable Connections - Vetus M4.55 Operation Manual

4 Maintenance
VD00117
18 Battery, battery connections
Keep battery clean and dry.
Remove battery cables (negative first).
Clean battery posts (+ and -) and clamps
and grease with acid-free and acid-resist-
ant grease.
Ensure that clamps make good contact
after reassembling. Hand tighten the bolts
only.
40
Vetus maintenance-free batteries
VD00118
19 Checking specific gravity
Every Vetus Maintenance-free battery has
a hydrometer (1) built into the cover.
Visual inspection of the hydrometer will
show one of three conditions:
Battery, cables and connections
Every 100 operating hours.
GREEN All DARK
DOT
VD00121 VD00122
20 Hydrometer operation
• Green dot visible - State of charge
65 % or more.
• Dark - State of charge less than 65
%. Recharge immediately.
• Clear or light yellow - Electrolyte level
low.
In case of low level, caused by over-
charging the battery for a long period
of time with a voltage too high, replace
battery. Check alternator and/or voltage
regulator.
ClEAR
VD00123