Switching The Air Filter - Prinoth BISON Operating And Maintenance Manual

Operating and Maintenance Manual
5.17

Switching the air filter

Pos. Name
1 Air filter switch in the NORMAL mode
In accordance with the external working conditions, the air intake can be switched from outside the
cowling to inside the cowling and vice versa by rotating the selector switch. The selector switch is lo-
cated on the rear cowling, on the aftertreatment top cover plate.
■ STORM mode
In the STORM mode, the engine draws air from inside the cowling (where the air is warm). Select
the STORM mode to avoid a clogged engine air filter in the follwing conditions :
□
□
□
To use the STORM mode, the ambient temperature should be below freezing 0 °C (32 °F). As
the engine performance could be reduced in this mode, use only when required, not as a preven-
tive action
■ NORMAL mode
□
For optimal vehicle performance, always use the NORMAL air intake mode when the conditions
allow it.
Operating the engine with a clogged air filter will generate entries in the engine fault log, could
reduce engine performance and could cause damage.
Restriction caused by icing in the engine air filter will be indicated on the main page of the display
by the yellow warning triangle and a 3-second audible alarm. Confirmation of the problem can be
found on the display pages A20, B10 and B20.
74
(255)
Figure 29: Air filter switch
Powder snow or fine snow dust,
Intensive work near snowguns,
Any other condition that will clog the air filter.
In the NORMAL mode, the engine draws air from outside the cowling. Return to the NOR-
MAL mode or stay in this mode in the following conditions
□ Light snowfall, non-icing conditions,
□ Engine air filter is clear (not clogged),
□ Outside air temperature is above freezing, 0 °C (32 °F).
1
5 - Vehicle
Snow groomer BISON
BISON 908930245 - 30367