Mounting - GMC 1976 ZEO 6083 Maintenance Manual

tion, rust, heavy paint, etc., with a wire brush, or in
extreme cases, a file .
NOTE :
Repaint bare metal with a good grade of
aluminum paint or equivalent, to prevent rust .
2. Lubricate tire beads, rim flanges, and bead
ledge areas with a liberal amount of thin vegetable oil
soap solution, or approved rubber lubricant.
3 . Ensure that air pressure build-up during the
bead seating process is not allowed to exceed 100
pounds pressure .
IMPORTANT :
If beads have not seated by the
time pressure reaches 80 pounds, assembly
should be deflated, repositioned on rim, relu-
bricated, and re-inflated .
4. Make sure valve core is inserted in valve stem
prior to inflating.
5 . Use an extension gauge with clip on chuck so
air pressure build-up can be closely watched and so
that you can stand well back from the assembly dur
ing the bead seating process to avoid possibility of
personal injury .
MOUNTING
1 . Inspect rim to insure bead seats are clean and
smooth . Then place rim on floor with wide side down
Figure 5-Lubricating Tire Bead
WHEELS AND TIRES 10- 5
Figure 6-Working Bead Onto Rim
Figure 7-Working Second Bead Onto Rim