Front crank seal 24442 installation
instructions for Cummings 'B' engines
Instructions
1. With the front gear cover removed from engine, place gear cover front down on a work surface and drive the old seal out hitting
the metal case of the seal from the back side of the cover with a punch or screwdriver and hammer as shown in Figure 1.
Caution: Do not damage the cover bore.
Figure 1
2. Clean the bore with parts cleaner, dry the bore, then place the seal tool furnished with the seal kit in the front side of the cover
bore as shown in Figure 2. Flip the cover over, front side down with the seal tool against the work surface such that the seal
tool will control the depth of the seal when it is installed from the back side of the cover.
3. Remove the plastic seal starter guide from the inside diameter of the seal. This seal has two sealing lips, one is the black oil
seal lip and the other is a yellow dust lip. Installing the seal from the back side of the cover, the side with the yellow dust lip
Figure 4
4. Proceed with reinstalling gear cover on the engine. Before you re-install the damper, install the black rubber dust shield that
was included in the 24442 kit, if the engine had this option, otherwise it can be discarded. This shield fits snug on the crank
with the large diameter side of the shield touching the metal face of the crank seal as shown in Figure 5. Proceed with damper
installation.
© SKF Group 2012
All rights reserved.
Figure 2
Toward front
of engine
Larger taper
of dust shield
contacts front
of seal case
Figure 5
457433 (11/12)
Printed in U.S.A.
Figure 3
would go in first or down when laid on
the work surface. Start installation of the
seal into the back side of the gear cover
as shown in Figure 3 by tapping lightly.
Caution: Do not let the seal go in the
bore tilted. Keep it flat. Use a wide bladed
screwdriver or punch as shown in Figure 4
to carefully drive the seal into the bore until
it is against the supplied seal tool that was
placed on the front side of the gear cover
bore. Re-install the plastic guide into the
seal from the back side of the cover.
SKF VSM NA
890 N. State Street
Suite 200
Elgin, IL 60123
800-882-0008
www.vsm.skf.com