COVER A. 3K6306 - Caterpillar

Procedure To Replace The Breather Vent
Use this procedure to replace a former breather vent with a new breather vent.
1. Remove the back cover from the Altronic III magneto.2. Place a support (B) on the inside of the magneto case (2) as shown in Illustration 1.
Illustration 1. Removing former breather vent (1) from magneto case (2) with punch (A) and support (B).3. Use a punch (A), see Illustration 2 for the dimensions of the punch (A), to carefully drive the former breather vent (1) out of the case. Use care not to damage the hole as the former breather vent is removed.
Illustration 2. Dimensions for punch (A). (X) =1.50 mm (.059 in). (Y) = 11.00 mm (.433 in). (Z) = 9.40 mm (.370 in).4. Place a support block on the outside of the magneto case. Press the new breather vent (3) into the magneto case until the rim on the new breather vent contacts the magneto case. See Illustration 3. Be careful not to tilt the new breather vent while it is being pressed into the case.
Illustration 3. New breather vent (3) installed in magneto case (2).5. Install the magneto back cover.