Service work
5
Electrical enclosure
Electrical enclosure
Checking the condition of the electric cables and connections
Switch off the truck.
Open the battery hood.
Disconnect the battery mal
e connector and
the battery female connect
or.
Remove the bottom plate.
Check the electric cables and connection
assemblies for damage, that they are
securely attached and check for oxidation
residues.
NOTE
Oxidised connections and brittle wires result
in voltage drops and can cause malfunctions.
Damaged wires must be replaced immedia-
tely. Contact your service partner.
Checking the condition of the drive battery
DANGER
Risk of chemical burns
due to elec-
trolyte (diluted sulp
huric acid) in the
battery.
For this reason, alw
ays wear personal
protective equipme
nt (protective
apron, protective
gloves) and eye
protection when w
orking with battery
acid. If clothing
, skin or eyes come
into contact wit
h battery acid, the
affected areas m
ustberinsedwith
water immediat
ely. In the event of
contact with the
eyes, consult a doctor
immediately!
Any spilt battery acid
must be neutr
alised immediately!
It is essen
tial that the regulations
regardin
g hazardous materials and
accide
nt prevention are complied
with.
When handling drive batteries, the following
instructions must be observed:
• Wear protection goggles and a protection
suit
• Before touching the battery, first touch
conductive parts of the chassis to discharge
any static charge
• Avoid any spark formation
Checking the conditio
n
Open the battery hood fully and secure to
prevent it from being accidentally closed.
Disconnect the battery male connector and
the battery female connector.
Check the cell conne
ctors for damage and
that they are secure
ly attached.
Check the water refill plugs for damage and
that they are seated correctly.
Check the hoses for electrolyte circulation
for secure attachment and damage.
Remove any oxidation
residues on the
battery terminals an
d then apply acid-free
grease.
Open the battery door.
Check the battery tray for damage and acid
leaks.
Operating Instructions – 3888011701 EN – 12/2017 235