TM 9-2330-356-14
(3) Tighten inner adjustment nut to minimum of 75 ft-
(c) Pack bearings from large end of cone
lb to ensure proper seating of e bearings and cup in wheel hub.
with grease (item 17, Appendix E) making sure all cavities
(4) Loosen inner adjustment nut so wheel will turn
between rollers and cup are filled.
freely.
(d) Install hub onto axle spindle. Install
(5) Retighten inner adjustment nut to 50 ft-lb while
rotating wheel, in order to properly position bearings for final
inner wheel bearing nut, lock ring, and outer wheel
adjustment.
bearing nut, but do not tighten.
(6) Looscn inner adjustment nut 1/3 turn.
(e) Install brake drum over the hub and
WARNING
secure with five screws.
Failure to beck off the inner adjustment nut could
cause bring and axle spindle overheating or dam-
(f) Install wheels and adjust wheel bearings.
age,.which could result m the wheel Iocking up or
coming off during vehicle operation, resulting in
i Wheel Studs (M967A1, M969A1, and M970A1
property damage or loss of life.
including M970 SN TC-0843, TC-0844, and TC-103
thru TC-178).
(7) Install spindle nut lockwasher so that dowel on inner
nut alines with hole in lockwasher and washer tang tits in spindle
keyway.
(a) Remove wheels and tires.
WARNING
Failure to torque outer locknut properly could
cause wheel to come off during vehicle operation,
fasten the hub cap to the hub. Remove hubcap and gasket.
which could result m property damage or loss of life.
(c) Using wheel bearing nut wrench remove
If an external tan or setscrew-type lockwaaher
is used, it is important to remember to bend tabs over
outer wheel bearing nut, wheel bearing washer, lock ring,
outer locknut, or to install the setscrew in lockwasher,
and inner wheel bearing nut.
after the outer nut has been properly torqued.
(8) Install outer locknut and tighten to 250-400 ft-lb.
(d) Remove outer wheel bearing crone.
(e) Remove hub and drum from axle spindle
to new hub cap gas et and position gasket on hub.
being careful not to damage seal.
(10) Install hub cap and secure with six bolts and
lockwashers. Tighten bolts to 16-20 ft.-lb.
(11) Pressurize air system by attaching towing vehicle
studs from hub and drum.
air lines to semitrailer and starting towing vehicle engine.
(13) Manually release fail-safe chamber power spring
(a) Install studs (short side from shoulder
facing out) into hub and drum and secure studs with
(14) Remove any blocking from tires.
lockwashers and nuts.
h. Wheel Studs (M967, M969, and M970 except M970 SN
TC-0843, TC-0844, and TC-103 thru TC-178).
(b) Install hub and drum onto axle spindle.
(c) Pack bearing from large end of cone with
(a) Remove tire and wheel.
between rollers and cup are filled.
(b) Remove five screws that fasten brake drum to
hub and remove brake drum.
(d) Install outer wheel bearing cone in hub.
(c Remove ten capscrews that fasten hub cap to
hub. Remove hub cap and gasket.
(e) Install inner bearing nut, lock ring,
(d) Using wheel bearing nut wrench, remove outer
wheel bearing washer, and outer wheel bearing nut, but do
wheel bearing nut, lock ring, and inner wheel bearing nut.
not tighten.
(e) Remove outer wheel bearing cone.
(f) Install wheels and tires and adjust wheel
(f) Remove hub from axle spindle being careful
bearings.
not to damage wiper and seal.
(g) l)rive broken wheel studs from hub.
Service. Gage tires for correct pressure. For hard
a
(a) Install wheel studs into hub. Use a hammer and
surface roads, inflate to 60 psi; for cross-country and sand,
driver to install studs.
inflate to 40 psi.
(b) If wiper remained with axle spindle when hub
was removed, remove roper and install in hub. Install outer wheel
bearing cone in hub.
Change 3