Hummer H1 Service Manual page 396

______________
®
RETAINING
SCREW
WASHER
LOCKING
CLIP
SQUARE
NUT
BEAD
SPREADER
Figure 6-23: Runflat Removal
11. Remove the retaining screw,washer and crossbolt locking
clip (Figure 6-24).
12. Loosen and remove the crossbolt and square nuts securing
the runflat halves together.
13. Repeat steps 11 through 13 for opposing fastener
assembly.
14. Reach inside the tire and remove runflat halves from the
tire.
15. Lubricate the tire bead and remove the tire from the wheel.
05745159
Wheels and Tires/Central Tire Inflation System (CTIS)
RUNFLAT
CROSSBOLT
00-S06-010
Inspection and Cleaning
Cleaning
1. Remove any existing lubricant that has been applied to the
inside of the tire, using tire buffing solution.
2. Clean all wheel, runflat and tire parts using tire buffing
solution.
3. Dry all wheel, runflat and tire parts. Ensure inside of tire
and all wheel, runflat and tire parts are free of any runflat
lubricant, dirt, rust or moisture.
Tire Inspection
1. Inspect tire for the following conditions or defects.
Replace tire if damaged.
a. Inspect inside of tire for cord or belt separation and
inner crown area damage.
b. Inspect tire bead for damage.
c. Check for protruding objects inside tire which may
not be visible from outside. If tire is damaged, repair
with external (05710215) or internal (05710216) tire
repair kit.
d. Check tread depth on tire. Tread should not be worn
below level of wear bars. Markings on the side of the
tires (e.g., the letters "TWI" or a triangle) show the
location of wear bars. Replace tire if tread is worn
below bars or 3/32 inch (2.38mm).
Runflat Inspection
1. Inspect runflat for the following conditions or defects.
Replace runflat(s) if damaged.
a. Splitting or separation of rubber from composite
material.
b. Wear or damage of outside rim or centering flange.
c. Excessive chafing or particles of the tire's steel belt
embedded into runflat assemblies.
d. Crossbolts for stress fatigue, cracks or thread damage.
e. Square nuts for stress fatigue, cracks or other damage.
f. Crossbolt locking clip and retaining screw for
damage.
Wheel Inspection
1. Inspect wheel for the following conditions or defects.
Replace wheel if damaged.
a. Cracked or bent.
b. Mounting bolt holes for stress fatigue, oversized
holes, or other damage.
c. Wheel flange for stress fatigue, deformation or other
damage.
d. Valve and insert for cracks or deterioration. Replace
these items if damaged.
6-13