KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
82
When using the heater, always remember that breaches of heater operation regulations or
heater faults can be the cause of fire.
During operation of the heater the driver shall permanently monitor the system operation. In
case of a flame or smoke appearing at the gas inlet of the gas discharge pipe, it is necessary
to immediately switch off the heater and proceed to fault elimination or adjustment after its
shutdown.
IT IS PROHIBITED
to warm up the engine by the heater in closed premises with poor venti-
lation in order to avoid poisoning of people by off gases.
IT IS ABSOLUTELY PROHIBITED
to switch on the heater without cooling fluid.
IT IS PROHIBITED
to switch on the heater immediately after the shutdown or unsuccessful
attempt to activate it without blowdown of the gas duct for at least 15-20 seconds.
The valve for feeding fuel to the heater shall be open only for the time of heater operation.
For the remaining time, the valve for feeding fuel to the heater must be closed.
4.11.2 Heater operation
Preparation for operation
4.11.2.1 Check the availability and level of non-freezing fluid in the engine cooling system by
short-term opening of the release valve on the boiler and on the heater pump set and the
level in the expansion tank of the engine.
Before starting the heating boiler, check the availability of fuel in the boiler fuel tank. If nec-
essary, refill diesel fuel to the tank according to GOST 305-82, wherefore do the following:
–
open the hood and undo the cap of the tank filler port (the tank is located at the left-
hand side on the fan housing);
–
insert a funnel into the tank filler port and refill fuel into the tank (tank capacity is
7
liters. For 30...40 minutes of boiler operation the fuel consumption is 3...4 l);
–
take out the funnel and screw in the tank filler port cap.
In case when fuel drops get onto the outer surface of the tank, wipe the tank surface with a
dry rag.
4.11.2.2 Open the valve for feeding fuel into the heater and pump out the heater fuel system
with a manual engine fuel pump.
Activation of the heater
4.11.2.3 Blow down the boiler gas duct
– run the pump unit for 15-20 seconds by setting mo-
tor switch 1 (Fig. 20) into position OPERATION.