8-4.1. BIAS TIRE, WHEEL, AND RUBBER RUNFLAT MAINTENANCE
INITIAL SETUP:
Tools
____
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
General mechanic’s tool kit:
automotive, common No. 2
(Appendix B, Item 4)
Special Tools
__________
Runflat compressor (Appendix B, Item 131)
Torque adapter, 9/16 in. (Appendix B, Item 144)
Materials/Parts
_____________
Eight locknuts (Appendix G, Item 92)
O-ring seal (Appendix G, Item 160)
Detergent (Appendix C, Item 17)
Lubricant (Appendix G, Item 141.1)
Personnel Required
________________
One mechanic
Manual References
_______________
TM 9-2320-280-10
TM 9-2320-280-24P
TM 9-2610-200-14
Equipment Condition
_________________
Wheel removed (para. 8-3).
General Safety Instructions
______________________
• Do not use tire machine.
• Ensure tire is totally deflated before removing
wheel locknuts.
• Never use tubes in wheel assemblies.
• Rim surfaces must be kept clean and free of rust
and dirt.
• Never use wheel assemblies with damaged studs.
• Never inflate a wheel assembly with the wheel
locknuts removed.
• Never inflate a wheel assembly without first
checking wheel locknut torques.
• Do not exceed recommended tire inflation
pressure.
• Always use a tire inflation cage and a clip-on air
chuck for tire inflation.
• Ensure runflat compressor strap is centered
around runflat.
• Never install bias tire on twelve bolt wheel.
• Use only replacement parts specified in
TM 9-2320-280-24P.
• Do not use runflat compressor if compressor
strap is frayed or damaged.
This task covers:
a. Disassembly
c.
Repair
b. Inspection and Cleaning
d.
Assembly
a. Disassembly
.WARNING.
Do not use tire machine. Injury to personnel or damage to equipment
may result.
NOTE
The following maintenance procedure applies to vehicles using bias ply
tires and one-piece rubber runflats. Refer to para. 8-4 for maintenance
instructions on bias tires and magnesium runflats, and paras. 8-5 and
8-5.1 for maintenance instructions on radial tires and rubber runflats.
1.
Place wheel assembly in a tire inflation cage.
.WARNING.
In all disassembly operations, ensure the tire is totally deflated before
removing wheel locknuts. Failure to follow proper safety precautions
could cause serious injury or death.
2.
Remove valve core (4) from valve stem (3) and deflate tire (7). Run a piece of wire through valve
stem (3) to make sure it is not plugged.
3.
When tire (7) is fully deflated, use a circular pattern and loosen eight wheel locknuts (1) securing
rim halves (2) and (9) together. If you hear escaping air, do not proceed. Wait until the sound stops
and recheck valve stem (3). When you are certain the tire (7) is fully deflated, proceed to remove
wheel locknuts (1). Discard locknuts (1).
TM 9-2320-280-20-2
8-14.2
Change 2
