TM-9-2330-356-14

SEMITRAILER, TANK: 5000 GALLON, BULK HAUL, SELF LOAD/UNLOAD M967 AND M967A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, AUTOMOTIVE M969 AND M969A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, UNDER/OVERWING AIRCRAFT M970 AND M970A1

TECHNICAL MANUAL; OPERATOR’S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL

OCTOBER 1990

TM-9-2330-356-14 - Page 241 of 528

TM 9-2330-356-14

Figure 4-87. Wheel Bearing Installation (M967, M969, and M970 except M970 SN TC-0843, TC-0844, and TC-103

thru TC-178).

(2)

Install outer bearing cone by inserting into

bearing cup. Install inner wheel bearing nut against outer

bearing. Provide for sufficient clearance between brake

shoe and drum so brake drag will not interfere with

bearing adjustment.

(3) Jack wheel completely off ground.

(4)

Tighten inner wheel bearing adjusting nut to

200 lb.-ft. while rotating hub and drum assembly in both

directions.

(5) Back off inner wheel bearing adjusting nut

approximately

¼

(2 flats) to 1/3 (22/3 flats) turn so dowel on

nut will aline with hole in lock ring (fig. 4-86) when tab on

lock ring is positioned on axle spindle keyway. Install and

tighten outer wheel bearing jam nut to 250-300 lb.-ft.

(6) Apply light coat of grease (item 17, Appendix

E) to new hub cap gasket and position gasket on hub.

(7) Install hub cap and secure with ten capscrews

and lockwashers. Tighten screws to 16-20 lb.-ft.

(8) Pressurize air system by attaching towing

vehicle air lines to semitrailer and starting towing vehicle

engine.

(9) Adjust brakes (para 4-33).

(10) Manually release fail-safe chamber power

spring (para 2-4).

(11) Remove any blocking from tires.

e. Removal of Tires, Wheels, Hub, and Drum as an

Assembly (M967A1, M969A1, and M970A1 including M970

SN TC-0843, TC-0844, and TC-103 thru TC-178) (Fig 4-88).

(1) Block any of the tires that are not being

removed.

Change 3

4-105