Chevrolet 30 Series 1967 Service Manual page 484

WHEELS AND TIRES 10-10
Fig. 20 - Lifting Bead O ve r Rim
Fig . 21 - Inserting Tire Iron in Second Bead
Mounting (all except 7.75-15 and 6.50-16 tires)
All tubeless tires except the 7.75-15 and 6.50-16 sizes
will be mounted as follows:
1. Inspect rim to insure bead seats are clean and
smooth. Then place rim on floor with wide side
down and lubricate first bead of tire and upper bead
seat of rim (fig. 23).
2. Push first bead into well of rim and onto rim as far
as possible. Using straight end of tire iron and with
stop resting on rim flange, work remaining section
Fig . 22 - Prying Second Bead from Rim
23 -
Fig. Lubricating Tire Bead
of first bead over rim (fig. 24).
3. Hold second bead in well by standing on tire. When
necessary, push section of bead into rim well and
anchor with vise-grip pliers by pinching pliers on
CHEVROLET TRUCK SERVICE M ANUAL