Dismantling/Assembling The Hydrostatic Transmission - Husqvarna M105-85F Workshop Manual

Loosen the split pin, unhook the connection rod and pry the
belt from the gearbox pulley.
Dismantle the drive chain, see "Dismantling/Assembling the
Drive Chain".
Loosen the plate to which the gearbox is fastened.
Loosen the gearbox retaining screws.
The nit must be tightened 50 ± 2 Nm when changing the shift
lever.
REPAIR INSTRUCTIONS
Dismantling/Assembling the
Hydrostatic Transmission
M125-85FH
Loosen the cutting deck belt.
Loosen the idler spring.
Pry off the drive belt.
Remove the lock washer and unhook the throttle stay.
Remove the five screws holding the hydrostatic transmission.
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English