Hummer H1 Service Manual page 390

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RUNFLAT
CRANK
HANDLE
STRAP
Figure 6-11: Runflat Compressor Positioning
NOTE: Compress runflat by rotating the handle in a clockwise
direction. Rotate handle counterclockwise to loosen.
3. Using runflat compressor, compress runflat.
4. Stand tire up and lubricate tire bead and runflat with tire
lube (Figure 6-12).
RUNFLAT COMPRESSOR
TIRE
Figure 6-12: Runflat Insertion
NOTE: It may be necessary to remove the handle assembly on
runflat compressor before inserting runflat into tire.
NOTE: Ensure shorter flange of runflat faces inner rim side of
tire (Figure 6-13).
05745159
Wheels and Tires/Central Tire Inflation System (CTIS)
RUNFLAT
COMPRESSOR
RUNFLAT
TIRE
BEAD
5. Insert runflat compressor side first as far as possible into
tire.
6. Lay tire flat on side. Slowly loosen compressor. Runflat
should position itself inside tire. If not, repeat steps 4
through 6 and/or use a tire spoon to assist in installation.
NOTE: If required, clean and lubricate bearing assembly on
runflat compressor after removal.
7. Remove runflat compressor from tire.
SHORTER
FLANGE
RUNFLAT
Figure 6-13: Runflat Positioning
8. Lubricate O-ring seal with tire lube and install O-ring seal
on first ledge of inner rim half. Ensure O-ring seal is not
twisted and is uniformly positioned in the groove outside
of the studs. Do not overstretch O-ring seal (Figure 6-14).
9. Lubricate tire bead and rim bead seat areas with tire lube.
RUNFLAT
TIRE
LONGER
FLANGE
6-7