Removal of Knuckle Assembly

TM 55-4920-424-13&P

f. Install tongued washer (28) and nut (27). Tighten nut (27) to seat entire hub assembly.

g. Position tire and wheel on hub and secure with lockwashers (23) and nuts (22).

h. Loosen nut (27) just enough to allow wheel to turn freely but with no side play.

i. Install new cotter pi n (26).

j. Install hub cap (25).

7-8.

Removal of Knuckle Assembly. (See figure 5-4.)

a. Mount front of trailer on a suitable support with front tires clearing ground. Set parking brakes (brake handle up.)

b. Remove nuts (22) and lockwashers (23 ), and remove tire and wheel from hub (34).

c. Remove hub cap (25), cotter pin (26), nut (27), and tongued washer (28).

d. Slide hub (34) with bearing cones, cups, and seal, as an assembly, from knuckle assembly.

CAUTION

Cover open ends of hub to prevent contamination of seal and bearings.

e. Remove cotter pin (12). Slide clevis pin (13) through forward arm of steering knuckle (46), and move tie rod (16)

away from steering knuckle.

f. Remove nut (40), lockwasher (41), and screw (42) securing king pin (43) in front axle (47).

g. Carefully slide king pin (43) through knuckle assembly and front axle. Remove knuckle assembly from front axle.

h. Remove lube fittings (44) from knuckle assembly.

7-9.

Installation of Knuckle Assembly. (See figur e 5-4.)

a. Install lube fittings (44) on new knuckle assembly.

b. Position knuckle assembly over front axle (47).

c. Apply a light film of grease (item 2, App D) on king pin (43) and install in knuckle assembly and front axle.

d. Secure king pin in place with screw (42), lockwasher (41), and nut (40).

7-3