777
Model Code Page
44. HiTech shuttle
1. 11. 1998
6250--8750 442 7
8. Remove the drum (press fit) by pressing it carefully with
a hydraulic press.
9. Unscrew ETV 894 350, at which time the piston loosens.
Check/change the piston small o---ring round the sun gear
shaft (arrow) and lubricate the o---ring with oil or grease.
10. Check that the large spring is OK. Ensure, that its length
is within permissible dimensions.
11. Change, if necessary, the piston large o---ring (arrow)
and lubricate it with oil or grease.
Note! Check the function of the emptying valve. If the valve
is disassembled, the valve circlip damages.
ETV 894 350
12. Place the large spring onto the sun gear shaft. Fit the
piston and fasten ETV 894 350 and tighten it until the
spring shrinks. Warm the drum a little (+80˚C) and press it
into place and fit the snap ring of the drum.
13. Remove ETV 894 350.
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