Remove brake drum (14) and 10 wheel studs (4) from hub (3).
Remove six screws (13), lockwashers (12), hubcap (11), and gasket (10) from hub (3).
Discard lockwashers and gasket.
Remove keeper arm (9) and self-locking nut (8) from spindle. Discard keeper arm. See
Remove outer cone and rollers (1), inner tapered roller cup (2), hub (3), tapered cup (5),
cone and rollers (6) and seal (7). Discard seal.
Seal is tool installed, pressed into hub and must not be cocked or
distorted. Spindle must be clean.
Grease seal is installed in hub. Use of a seal installation tool is
the best method for installation of seal.
Install new seal (7), cone and rollers (6), tapered cup (5), hub (3), tapered roller cup (2), and
cone and rollers (1) onto spindle.
For installation of self-locking nut (8) and keeper arm (9) onto spindle, see Appendix H-35 (Pro-
Hubcap fasteners shall be tightened to 15 lb-ft (20.3 Nm) of
Install new gasket (10) and hubcap (11) onto hub (3) using six new lockwashers (12) a d
screws (13). Gasket should be dry.
All flange nuts and studs are right-hand threads.
Seat brake drum (14) onto hub (3) using 10 wheel studs (4) as guides. Do not damage threads.