Section VII. REPAIR AND REPLACEMENT INSTRUCTIONS

TM 55-4920-424-13&P

SECTION VII

REPAIR AND REPLACEMENT INSTRUCTIONS

7-1. GENERAL.

7-2. The following maintenance data includes removal, inspection, disassembly, reassembly, and installation of the

mobile check stand components. When maintenance and inspection checks or troubleshooting remedies require the

repair of a component the following repair instructions apply.

a. Remove all electrical connections when accessible and feasible. Tag all parts to facilitate reinstallation.

b. Cap all lines, and seal all openings to pre vent entry of dirt, chips, or other foreign material.

c. Replace all gaskets and O-rings. Lubricate gaskets, O-rings, flanges and oil seals with oil (item 4, App D).

d. All parts safetied with lockwire or cotter pins prior to removal or disassembly shall be resafetied in the same

manner upon reassembly or installation with new wire or new cotter pins.

7-3. FRONT AXLE ASSEMBLY.

7-4. Removal of King Pin. (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 cotter pin (12). Slide clevis pin (13) through forward arm of steering knuckle (46) and move tie rod (16)

away from steering knuckle.

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

d. Support tire, wheel, hub assembly, knuckle assembly, as a unit, and carefully slide king pin (43) through steering

knuckle (46) and front axle (47). Remove wheel and knuckle assembly from front axle.

7-1