76
Maintenance and Care
5.11
Electrical installation
5.11.1 Red control lamps
Refer to Section 3.2.2.
5.11.2 Error codes
Refer to Sections 3.5.1 and 3.2.2.
5.11.3 Fuses
The fuses are located in the electronic
system underneath the seat console.
Take hold of the seat console by the
handle and pivot it up.
Always disconnect the battery
plug before starting any work
on the electrical installations.
All the lifting elements and brush mo-
tors in the Hakomatic B1050 are
equipped with safety fuses and elec-
tronic fuses.
Safety fuses are installed in:
• the suction turbines
(35A high current fuse)
• the water pump and relief valve for
the water supply (10A plug-in fuse)
• the hydraulic motor (160A current
limiter in the drive control) and
• the working lights and flashing bea-
con, the key switch, automatic filling
and horn (10A plug-in fuse (F51)).
When these fuses blow, the
vehicle is out of operation. This
is not indicated by an alarm
signal on the operating panel!
5.11.4 Relays
The changeover relay for the driving di-
rection (forwards/reverse) is located in
the left-hand part of the driver's cab un-
derneath the foot plate.
Always disconnect the battery
plug before starting any work
on the electrical installations.
• Loosen the screws in the foot plate
and remove the foot plate.
• The K3 relay is installed in front of
the drive control.
• Replace a defect relay with a new
one.
• Replace the foot plate and fix by
means of the screws.
5.12
Cleaning the vehicle
• Clean the vehicle on a weekly basis,
refer to Section 5.3.1.
• Park the vehicle in an appropriate
washing area.
Observe the applicable laws
and local regulations when dis-
posing of water containing
cleaning agents and dirt!
• Switch the vehicle off and remove
the key.
• The vehicle may only be cleaned us-
ing a water hose (working pressure
approx. 5 to 6 bar) and only from the
top towards the bottom.
It is not permitted to clean the
vehicle with a pressure washer
or steam blaster.
• Do not aim the jet of water directly at
openings, slits, electronic compo-
nents, operating panels or seals.