OPERATION 3.7 ELECTRICAL EQUIPMENT IN CAB BASE
151
3.7.2 COMPONENTS OF ELECTRICAL PREHEATING SYSTEM IN CAB
BASE
WARNING
The cab base contains high voltage electrical appliances.
Access to the cab base for authorized service staff only.
General
The preheating system is special equipment and can be installed
in the factory or locally at site. Power supply to the preheating
system is provided by an external power source.
The following systems are equipped with heaters:
● Engine cooling system
● Engine lubricating system
● Hydraulic system (main and suction oil reservoir)
● PTO’s (pump distributor gears)
● Storage batteries
EMARK
The auxiliary heater unit in the cab base (5), illust. Z25424
and the battery charger (2) are also connected to the external
power supply.
Legend for illustration Z25386
(1) Main switch board box (X2). See page 147 for more
information
(2) Battery charger E55
(3) Fuse box with circuit breaker 1F1 - 125A for battery
charger
(4) Key switch for battery charger S153 (2)
(5) Heater unit for cab base
(6) Wall bracket for heater unit
(A) External power socket for battery charger
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