7-7. ASSEMBLY AND INSTALLATION OF FRONT WHEEL BEARINGS. (See figure
5-5. )
Assemble new bearing cones (26, 29) and new bearing cups (27, 30) as sets,
8.
and handpack with grease, Military Specification MIL-G-10924.
Install new bearing cone and bearing cup set (29, 30) in hub (31).
b.
Install new seal (28) in hub.
c.
Slide the hub over the aft bearing surface of knuckle assembly (44).
d.
Install new bearing cone and bearing cup set (26, 27) over the forward bearing
e.
surface of the knuckle assembly, ensuring bearing cup (27) is properly seated
in the hub.
Tighten nut (24) to seat entire hub
f.
Install tongued washer (25) and nut (24).
assembly.
Position the tire and wheel on the hub and secure with washers (20) and nuts
g.
(19). Loosen nut (24) just enough to allow the wheel to turn freely but with no
side play.
Install new cotter pin (23).
h.
Install hub cap (22).
i.
REMOVAL OF KNUCKLE ASSEMBLY. (See figure 5-5.)
7-8.
Mount the front of the trailer on a suitable support with the front tires clearing
a.
the ground. Set the parking brakes (brake handle up).
b.
Remove nuts (19) and washers (20), and remove tire and wheel from hub (31).
c.
Remove hub cap (22), cotter pin (23), nut (24), and tongued washer (25).
d.
Slide hub (31) with bearing cones, cups, and seal, as an assembly, from
knuckle assembly (44).
CAUTION
Cover the open ends of the hub to prevent contamination
of seal and bearings.
7-3
