Figure 72: Sight glass of the hydrostatic oil reservoir
The hydraulic tank is located under the loading platform or rear cover. The oil level should be checked
daily.
■ For an accurate reading, ensure the push frame at the front and the rear lift frame are on the
ground.
■ The oil level should be at or slightly above the “LOW” mark on the sight glass.
■ Top up with recommended oil if level is lower than recommeded.
Pump drive oil level
NOTICE
► The level must be between the marks of the dipstick at ambient temperature, preferably near
the “MAX” mark. Top up with recommended oil if level is low.
Figure 73: Dipstick on pump drive
Check oil level daily. Access the oil dipstick under the central access panel of the rear cowling. To
check the oil level perform the following:
1. Unscrew and pull out the dipstick;
2. Using a clean rag, wipe oil from the dipstick;
3. Insert the dipstick back in the receptacle, until the dipstick threads contact the orifice edges on
the housing. Do not screw it in;
4. Pull it out again slowly and check the level.
Snow groomer BISON
Operating and Maintenance Manual
BISON 908930245 - 30367
7 - Daily checks
109 (255)
7.2.4