OPERATION 3.5 OPERATING THE HEATER, VENTILATION AND AIR CONDITIONING
201
3.5.1 AUXILIARY HEATER FOR OPERATOR’S CAB
Special Equipment
EMARK
The auxiliary cab heater is located in the compartment below
the stair to the operator’s cab. View A-A shows the arrangement
of components and the flow of water, fuel and air.
Legend for illustration Z25357
Operation
To activate the heater (3), open fuel shut off-cock (9). Select the
desired heating stage with the control module (5) shown on
page 91.
EMARK
During the warm season the fuel shut-off cock (9) should be
closed.
(1) Fuel tank
(2) Stair to operator’s cab
(3) Heater unit HYDRONIC 10, refer to the separate opera-
tion manual HYDRONIC 10 for all operating and mainte-
nance instructions. The manual is filed in volume 2
binder.
(4) Water supply line from engine to cab heater
(5) Water return line
(6) Water line to auxiliary heater
(7) Hot water line from auxiliary heater to cab heater
(8) Check valve
(9) Fuel shut off-cock for fuel supply to heater (3)
(10) Fuel strainer
(11) Fuel supply line
(12) Fuel dosing pump
(13) Combustion air intake line
(14) Exhaust muffler
(15) Fuel shut-off solenoid valves
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