IV-120
HYDRAULIC UNITSTRAVEL MOTOR
T7D572
3. Remove the springs (28), pin (2), O-rings (8, 9,
and 35) and the valve plate (11).
4. Place several blocks between the valve body
(13) and the flange holder (1).
• The block must be thin enough so that the
cap screw M10 × 100 can be tightened to the
brake piston (31) in the next step.
• Be sure that the valve body is horizontal.
5. Take out the plugs, and tighten the two cap
screws M10 × 100 into the brake piston (31) to
pull it.
• Tighten the screws into the screw holes “A”
on the brake piston.
6. Remove the center discs (29) and the friction
discs (30).
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