Chevrolet 30 Series 1967 Service Manual page 480

WHEELS AND TIRES 10-6
Fig . 7 - Starting Side Ring Removal
F ig . 8 - Removing Side Ring
T h r e e S e c t i o n R i m s — M o u n t i n g T i r e
1. Remove all rust scale from the rim, side ring and
clamp ring.
2. Insert tube in tire and inflate until tube is nearly
rounded out.
3. Lubricate tire beads, rim sides of tube, and both
sides of flap with a solution of neutral vegetable oil
soap or Ru-Glyde or equivalent rubber lubricant.
Insert flap in tire.
4. Place tire on rim with valve in line with the valve
hole in rim. Insert valve through hole; then work
tire onto rim.
5. Place side ring into position on tire and rim; then
press the side ring into tire and onto the rim using
the tapered end of tire iron until the clamp ring gut-
Fig. 9 - Replacing Clamp Ring
ter is exposed. Insert end of clamp ring in gutter
and work progressively around the tire until the
clamp ring is seated in the gutter (fig. 9).
CAUTION: Do not stand unprotected in front of
clamp ring when inflating tire. If a protective
inflation cage is not available, place the wheel
and tire in a vertical position close to solid wall
with clamp ring facing the wall. Inflate from
side opposite the ring. If no solid wall is avail­
able place tire and wheel on floor with clamp
ring down and inflate from above.
6. Inflate tire slowly; with tires lightly inflated, tap
gently around ring with hammer to make sure side
ring moves out over clamp ring, locking it into gut­
ter. Inflate tire until tire beads are firmly seated
against rim flanges.
7. Completely deflate tire by removing valve core.
8. Reinflate tire to recommended pressure.
T w o S e c t i o n R i m s — D e m o u n t i n g T i r e (2 T o n )
To facilitate assembly and removal, two cutaway sec­
tions "A" (fig. 7) and an operating notch "B " are incor­
porated in the locking flange of the side ring.
In separating the side ring from the wheel rim of the
spare or new wheel for tire installation, stand the wheel
up with the operating notch in the side ring at the top.
The straight end of a tire iron is inserted and driven into
the operating notch (fig. 11). The tool is moved as a
lever to lift the side ring away from the rim. After the
side ring has passed over the rim gutter at the operating
notch work progressively around entire rim until side
ring is separated from wheel rim.
1. Completely deflate tire by removing the valve core.
2. Loosen the tire bead from its seat in the side ring
by driving the bead loosening end of a tire iron be-
CHEVROLET TRUCK SERVICE M ANUAL