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Operator´s manual City Ranger 2250 Snow blower
Maintenance
7.3 Overload protection of the blower drive
The basic machine must be equipped with a hydraulic pressure control valve (hydraulic
overload protection).
If the snow blower collides with obstacles (stones, wood, etc.), the pressure control valve is
activated avoiding damages on the snow blower.
7.4 Replacing the scraper bar
Remove the scraper bar if it is worn.
•
Lift the machine (see chapter 6.2 and
6.11)
•
Remove the screw joint (1), 6 pieces.
•
Replace the scraper bar (2).
•
Use a screw joint (1) to tighten the scraper
bar to the housing.
•
Lower the machine.
7.5 Tightening the toothed belt
Set the tension of the toothed belt:
•
Dismount the protective cover.
•
Unscrew the 4 screw joints (1).
•
Unscrew the lock nut (2).
•
Rotate the screw joint (3) until the
required belt tension is reached.
•
”Tighten the lock nut (2).
•
”Tighten the 4 screw joints (1).
•
Refit the protective cover.
Belt tension:
•
New toothed belt 116 - 125.4 Hz
•
Toothed belt in use 90.8 - 107.4 Hz or
•
pressure of 10 kg = deformation of 6 mm