1025
Model Code Page
67. Powered front axle Carraro
1. 10. 1999
8450--8950 673 1
Drive shafts (Code no. 673)
1. Changing drive shaft oil seals / bear-
ing bushings
A. Changing inner seal/bearing bushing
Note! The drive shaft inner oil seal can be changed so that
first are removed the king pins and t hen the hub is pulled
out together with t he drive shaft. In this case is unnecessary
to disassemble the hub.
1. Remove the front wheel. Disconnect the tie---rod tapered
joint, support the hub with a lifting rope and remove the
king pins, see instr. 1Cstages 2 --- 4 on page 672/4.
2. Pull out the hub/drive shaft. When necessary, drain the oil
intheaxlehousing.
1. Puller
2. Oil seal
3. Prise out or pull out the inner oil seal.
1. Bushing
2. Puller
3. Impact puller
4. Chec k the condition of the drive shaft bearing bushing in
the axle housing bor e. Pull it out, if damaged, with a suit-
able puller.
5. Tap in a new bushing with a suitable fitting tool. Grease
the bushing.
6. Fit a new inner oil seal into the housing bore (lips turned
to the housing side). Grease the seal lips.
7. Push the hub/drive shaft into the housing. Do not dam-
age the inner oil seal with the drive shaft splines.
8. Fit the king pins/washers and tighten the pins to a tor que
of 190 Nm. Connect the tie---rod tapered joint to the steer-
ing arm (220 Nm).
9. Grease the king pin nipples.
10. Add oil into the axle housing, if drained (6 litres,
80W/90 API GL---5 (LS), e.g. Valtra Axle).
11. Refit t he front wheel. Test---run the tractor and ensure
that no leaks exist.
Drive shafts:
Note! Check the condition of the drive shaft splines and the
double joints. The double joints can be disassembled in a
normal way concerning these joints, see e.g. instr. C on
page 642/3.
If the joints have been damaged, cross pieces, sleeves and
washers are available as a spare part.
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