Specifications

Service Training
Section 4.4
Page 12
4.4.4.4 REPLACING THE STEERING CYLINDER SEALS
- Remove the steering cylinder and clamp it in a vise.
- Pull the piston rod (1) out to one side as far as possible.
- Drive in the guide bushing (5) approx. 1 - 2 mm.
- Loosen the retaining ring (9) with a 2.5 mm drift punch through hole (3) and remove with a screwdriver.
- Slide the piston rod in the direction of the removed snap ring and drive out the guide bushing (5) with light
blows (plastic hammer) on the opposite end of the piston rod.
NOTE: The piston rod can only be withdrawn if the connection for the hoses was removed.
- Pull the piston rod out of the cylinder and remove the guide bushing (5) from the piston rod.
- Remove the O-rings (4), grooved ring (7), wiper (8) and guide band (6) out of the guide bushing.
- Renew the O-rings, grooved ring, wiper and guide band, making sure that each sealing element is
positioned correctly (see detail A).
- Remove the sealing ring (2) from the piston rod and replace with a new one.
- Remove the second retaining ring (9).
- Remove the guide bushing (5) and renew the sealing elements.
- Slightly grease or oil the guide bushing (5) and the cylinder barrel insert it into the cylinder, being sure
that it is positioned correctly (chamfer on the outside circumference shows out).
- Install the retaining ring (9).
- Carefully insert the piston rod (1) into the cylinder from the opposite end and slide through the guide
bushing (5) as far as the stop. Be sure not to damage the sealing lips of the sealing elements.
- Insert the second greased guide bushing (5), slide it in as far as the stop and secure it with the retaining
ring (9).