DISPLAY AND CONTROL ELEMENTS 4
MHL380 D 4.53
4.9.2 Supplementary heating (optional)
The supplementary heating (83/1) is located
on the left of the driver's cab. It heats the cab.
Any other use of the supplementary heating
and of the associated timer is not permitted.
The supplementary heating is connected di-
rectly to the fuel system, so that it can be op-
erated independently of the drive motor.
The supplementary heating system is operat-
ed with the operator device (77/87). The op-
erating instructions provided by the heater
manufacturer contain information about the
functions and the operation of the supplemen-
tary heating.
The blower for the air conditioning system is
switched off automatically when the supplemen-
tary heating system is switched on. To prevent
heat accumulation, the ejector (77/3) cannot be
closed in a cab with supplementary heating.
The combustion air is drawn in through the air
filter (rear of cab). In the event of high exposure
to dust, the air filter element should be changed
every 100 operating hours.
h Chapter 7.8.3 Maintenance and inspection
plan
j
Burns from igniting fuels, lubri-
cants and coolants
• The supplementary heating must
always be switched off when re-
fueling.
• Remove escaped fuel before
switching on.
In an emergency: Switch off ma-
chine and supplementary heating.
Administer first aid, seek treatment
from a doctor
Poisoning and suffocation from
exhaust gases
• The heater must not be operated
in enclosed spaces.
In an emergency: Switch heating
off. Move into fresh air immediately.
Seek treatment from a doctor.
Fig. 82 Control panel for supplementary heating
Fig. 83 Supplementary heating
Fig. 84 Air filter for supplementary heating
Supple
mentar
y
heating
(option
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