Safety Equipment
■ The
double and independent functioning spring action multiple disc brakes ensures that the vehi-
cle remains stationary after the engine is switched off.
■ The brakes remain functional even in case of:
□ Drive train failure
□ Broken, ruptured or derailed track
□ Failure of the hydrostatic drive of one or both tracks
■ In emergency situations, the engine can be switched off using the key in the ignition switch. This
switches off the snow groomer standby and operational readiness of the attachments as well as
the complete hydraulic system and engages the multi-disc brakes.
■ If the "Parking brake activated" indicator lamp lights red continuously, this indicates a malfunc-
tion. Total failure of the braking system is therefore impossible.
■ Pressing the Emergency OFF switch triggers the following actions:
□ The parking brake is activated.
□ The drive hydraulics are switched off.
□ The operational readiness of the attachments is switched off.
□ The power supply to the electronics circuit board is switched off.
■ Separate standby modes for vehicle and attachment operation increases operational safety and
also ensures better safety during maintenance work.
■ Snow groomer standby must be switched on again if it has been switched off using the Emergen-
cy OFF switch or by opening the cab doors.
■ The raising and automatic shutdown of the rear attachment when reversing not only increases
the ease of operation, but also helps avoid mechanical damage and accidents due to rotating
parts.
■ The automatic raising of the rear attachment when reversing can be switched off. In the event of
immediate danger, this can be used to go into reverse while the rear attachment is only half-
raised.
■ If the "Hydraulic fluid level insufficient" warning lamp is lit continuously, this indicates a possible
malfunction in the hydraulic system. In this case, the vehicle driver must immediately switch off
the engine in order to prevent serious failure of the hydraulic system.
■ There are several more warning lamps:
□ Warning lamp "Insufficient coolant level" lights up red continuously = Check coolant level
□ Warning lamp "Engine failure" lights up yellow continuously = Stop and switch off snow
groomer immediately
■ The horn is operated from the operating console.
■ The flashing of the rotating beacons is actuated by the ignition lock. When the engine is switched
off, the rotating beacons can be switched off manually.
■ When reversing, an audible warning buzzer is activated automatically. For night operations in
populated areas, the warning buzzer can be temporarily switched off. If there are any people
present, the warning buzzer must be permanently switched on.
■ The electronic steering system can also function in emergency operation mode. This allows the
snow groomer to continue moving even if there is a malfunction. However, some of the automatic
functions are only available to a limited extent.
■ A fault diagnosis can then be made using the menus on the display. This makes it easier and
quicker to put the vehicle back into service afterwards.
■ If one hydraulic circuit fails, both tracks are locked in one direction of travel. This allows the direc-
tion to be kept under control and accidents are avoided.
■ If the steering system fails, the snow groomer is brought automatically to a standstill. In these cir-
cumstances, the vehicle can no longer be steered or moved.
Snow groomer BISON
Operating and Maintenance Manual
BISON 908930245 - 30367
5 - Vehicle
39 (255)
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