Briggs & Stratton RIDER 11 BIO, RIDER 16 manual Bleeding the hydrostatic transmission oil system

Reparation instructions

Bleeding the hydrostatic transmission oil system

1

•Check the hydrostatic transmission oil level.

•Start the engine and set the throttle control to idle.

2

•Repeat opening and closing the disengaged clutch control whilst the front respective rear pedals are alternately pressed down.

•When the mower starts to move set the governor control lever to high idle.

3.Repeat quick starts and emergency stops until the transmission responds as it should.

•Check also the oil level in the hydrostatic trans- mission, and top up if necessary.

4.Check and top up with oil if necessary after test driving.

Adjustment of transmission neutral position

1.Bleed the hydrostatic transmission oil system.

2.Lift the back of the ride-on mower up so that the wheels are off the ground and place blocks under the machine.

3

•The neutral position is adjusted by turning the hexagonal axle on the transmission (see dia- gram).

•Start the engine and set the throttle control to full throttle.

•Unscrew the hexagonal axle lock nut and turn the axle clockwise until the drive shafts start to rotate backwards.

•Make a mark on the top of the axle.

44 – English