7. Loosen the hose from the transmission oil tank.
Open the clamp for the suction pipe below the tank
and remove the hydraulic tank.
8. Loosen the cable and the speed control rod from the
lever.
9. Remove the clutch control.
10. Remove the transmission belt. See
To remove the
transmission belt on page 46
.
11. Remove the 5 screws that hold the rear transmission
and lower the rear transmission.
8.5.9.4 To assemble the rear transmission
Obey the instructions in
To keep the hydraulic system
clean on page 29
.
CAUTION: Hold the connection nut with a
wrench to prevent damage to the pipes or the
elbow nipples.
1. Assemble the rear transmission in opposite
sequence in relation to disassemble. See
To
disassemble the rear transmission on page 33
.
2. Lubricate the axles with corrosion protection before
attaching the wheels.
Note: The spacer sleeves in the wheels have
different lengths. Left: 36.3 mm + washer. Right:
45.5 mm, no washer. Do not mix up with the front
axle spacer sleeves.
3. Lightly lubricate the pipe couplings before you
assemble.
4. Fill with oil and bleed the hydraulic system. See
To
bleed the drive system on page 30
.
5. Do a check of and adjust speed coordination
between the front wheels and rear wheels. See
To
adjust the wheel speed on page 24
.
8.5.10 To replace the shaft seals of the hydrostatic
transmission
8.5.10.1 To replace the input shaft seal of the
hydrostatic transmission
CAUTION: The area around the seal must be
clean. Dirt in the transmission oil can decrease
the lifetime of the hydrostatic transmission.
1. Remove the cooling fan circlip and then the cooling
fan.
2. Lift the belt pulley up from the input shaft and
remove the circlip below the belt pulley.
3. Clean all the dirt and corrosion from the input shaft
and the area around the seal.
4. Put a screwdriver between the seal and the shaft,
and remove the seal out of the shaft housing.
34 - Repair instructions 659 - 001 - 11.04.2018
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