Bleeding Hydrostatic Transmission Oil System; Adjustment Of Transmission Neutral Position - Husqvarna Rider 850 Workshop Manual

Bleeding the hydrostatic transmission
oil system
1
• Check the hydrostatic transmission oil level.
• Start the engine and set the throttle control to low
idle.
2
• Repeat opening and closing the disengaged
clutch control whilst the front respective rear
pedals are alternately pressed down.
• When the ride-on mower starts to move, the
governor control lever should be increased to
high idle.
3
• Repeat quick starts and emergency stops until
the transmission responds as it should.
• Finally, check the hydrostatic transmission oil
level and fill as is required.
4
For immediate bleeding of the oil system, fill new oil
directly into the transmission (1) and, at the same
time, pull the pump round by hand with the brake
drum (2).
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
diagram).
• 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.
Reparation instructions
1
2
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