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USER MANUAL
ENGLISH
RS 501 33015501(3)2008-02 A
33
WINTER MAINTENANCE
In winter, perform the following maintenance procedures carefully.
Procedures for machine storage or for machines working at less than 0°C
Drain the nozzles and water tanks.
Drain and clean/replace the water fi lter.
Pour antifreeze in the water tanks (check the quantity).
Turn on the water pump (see the procedure in the relevant paragraphs) to let the antifreeze fl ow through the system until it
comes out from the broom nozzles, from the suction hose nozzle and from the rear pipe nozzle (if equipped).
When the antifreeze comes out from the nozzles, stop the pump.
Start the diesel engine as shown in the relevant paragraph.
Turn on the high-pressure washing system pump (see the procedure in the relevant paragraphs) and let the antifreeze fl ow
through the high-pressure washing system until it comes out of the water gun.
When the antifreeze comes out, stop the pump.
WARNING!
Do not use the dust control system when the outside temperature is lower than 0°C because it can create ice
sheets on the roadbed.
Procedures to perform when the machine has been stored for two months
Replace the engine oil and oil fi lter (see the relevant paragraphs).
Fill the fuel tank (see the relevant paragraph).
Apply grease.
Charge the battery.
Check the wheel pressure (see the relevant paragraph).
Procedures to perform when the machine has been stored for three months
Perform the same procedures of the second month.
Each month connect a battery charger and keep the battery charged for 12/24 hours.
SAFETY FUNCTIONS
The machine is equipped with the following safety functions.
REVERSE GEAR BUZZER
The machine is equipped with a sensor and a buzzer to indicate that the machine is moving in reverse.
HOPPER LIFTING/LOWERING LEVER SAFETY FLANGE
The hopper lifting/lowering lever can be activated only after having lifted the safety fl ange.
SUCTION INLET AND BROOM LIFTING/LOWERING LEVER SAFETY FLANGE
The suction inlet and broom lifting/lowering lever can be activated only after having lifted the safety fl ange.
SENSOR FOR ENGINE START-UP INHIBITION WHEN THE DRIVE PEDAL IS PRESSED
The machine is equipped with a sensor that do not allow for engine start up when the drive pedal is pressed.
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