Service Training
Section 2.4
Page 10
2.4.1.5 RENEWING THE AXLE BODY TAPERED ROLLER BEARINGS AND WIPERS
- Remove the steering axle.
- Remove the steering cylinder.
- Remove wheel hub (on E 25 / 30 only).
- Turn the steering axle so that the steering knuckles show, and secure it against turning.
- Slacken the retaining screw (7) for the steering knuckle arm (1) and unscrew it about 2 mm.
- Loosen the steering knuckle arm by tapping on the retaining screw (7).
- Unscrew the retaining screw a few millimetres several times and remove the steering knuckle arm from
the axle body by tapping on the retaining screw.
- Remove the retaining screw (7) and the steering knuckle arm (1).
NOTE: The steering axle of the E 20 truck has two retaining screws for securing the steering knuckle
arm. Loosen both retaining screws equally to prevent the steering knuckle arm from seizing.
- Pull out the axle body (8) upwards.
- Remove wiper (2), taking care that the inner race of the tapered roller bearing (3) does not fall out.
- Remove wiper (6) and the inner race of the tapered roller bearing (5).
- Extract both outer races of the tapered roller bearing (3) and (5).
NOTE: When installing the tapered roller bearings, make sure that the outer and inner races of the two
bearings are not interchanged.
- Drive new outer races into the axle centre.
- Fill the space around the bearing completely with lithium-based grease.
- Grease the inner race of the tapered roller bearing (5) well and install it.
- Fill wiper (6) well with grease and drive it into the centre axle body with the aid of special tool part no. 000
941 9721.
- Carefully install the axle body (8) in the centre axle body (4).
- Grease the inner race of the tapered roller bearing (3) well and install it.
- Fill wiper (2) well with grease and drive it into the centre axle body (4) with the aid of special tool part no.
000 941 9721.
NOTE: The top edge on the steel ring of wiper (2) must be flush with the face (9) of the centre axle (4).
Detail X:
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