TM 9-2330-356-14
(3) Disconnect tubing from fitting and remove
(5) Trim ends of tubing to get a smooth, square
the insert, compression sleeve and nut on both ends of
cut. Slide tubing nut on end of tube. Slide impression
tubing. Release the clips and pull tubing through
sleeve over end oft tubing. Install tubing insert. Connect
grommets.
tubing to adapter fitting and tighten tubing nut securely.
Do the same procedure on both ends.
NOTE
(6) Check replaced tubing for leaks. No leaks are
permitted.
Tubing is stocked in bulk lengths. Measure
original tubing and cut new tubing to same
(7) Remove blocking from semitrailer wheels.
length.
d. Air Line Fittings. Use antiseize tape (item 28,
(4) Install tubing on semitrailer and bend clips
Appendix E) on
all male pipe threads. Take care
not to
let
down securely to hold tubing in position.
any of the tape get into the system.
Section XIII. MAINTENANCE OF WHEELS, HUBS, AND DRUMS
4-49. Wheels, Hubs, and Drums
(2) Manually compress fail-safe chamber power
WARNING
(3) Release air pressure by opening drain wolves
Spare tire vveighs 190 pounds. Four-person
lift, or suitable lifting device, is required.
(4) Jack up axle until tires are clear of ground.
Support rude with jack stand or blocking.
a
(1) Removal. Bbck any of the tires that are not
(fig. 4-86) securing hub cap to
hub. Remove hub cap and
being removed. Jack up axle until tire is clear of ground.
hub cap gasket. Discard gasket.
Support axle with jack stand or blocking. Remove outer
inner tire must be removed, remove the ten inner stud
leek ring, and inns wheel bring nut.
(7) Remove outer wheel bearing cone.
(2) Repair.
NOTE
If wheel lift jack is not available follow steps
(b) Refer to general support maintenance
(8) through (10).
for repair of tires.
(3) Installation. Position inner wheel over studs
track approximately lo-inches wide the length of the
tire to ground, and tighten to 450-500 lb.-ft. using
plate.
(9) Place the grease plate, with greased side up,
under the tires. Lower tires so that they are just resting on
450-500 lb.-ft.
the grease plate, with the majority of the vehicle weight
still on the jack.
b. Removal of Tires, Wheels, Hub, and Drum as an
Assembly (M967, M969, and M970 except M970 SN
NOTE
It maybe necessary to back the automatic
adjusters out to allow brake shoes to dear
WARNING
The fall-safe chamber power spring must be
(10) Wide tires, wheels, hub, and brake drum off of
manually compressed and the air reservoirs
axle spindle.
must be vented of pressure before removal of
hub and drum assembly.
(1) Block any of the tires that are not being
removed.
Change 3