COATS 6450 3D - Manual (Page 19)

Important: Always read and follow the information box instructions. • 13
4. Rotate the wheel toward front so the laser locator
dot is behind the first spoke; press SPOKE 1 (indicator
illuminates).
5. Rotate the wheel toward rear so the laser loca-
tor dot is behind the second spoke; press SPOKE 2
(indicator illuminates). Now at the spoke 2 location, the
outboard center bar stops blinking and the two bars on
either side blink.
Note: The laser locator dot will stop blinking.
Figure 15 - Spoke 1 And Spoke 2 Locations On Either Side Of
Original Outboard Weight Location
6. Center and attach the spoke 2 outboard corrective
weight at the laser locator dot location (see figure 11
page 6).
7. Next, rotate the wheel toward the spoke 1 location
until the outboard center bar stops blinking and the two
bars on either side blink.
Note: The laser locator dot will stop blinking.
8. Center and attach the spoke 1 outboard corrective
weight at the laser locator dot location (see figure 11
page 6).
9. Respin tire/wheel to check balance.
Patch Weight Balance - Use a static patch weight
balance when there is a very large unbalance in a tire
assembly or if a very large tire has a large unbalance.
A weighted balance pad (patch weight) is placed inside
the tire in the center to compensate for the large unbal-
ance.
Direct Select Weight position Patch
Static (weight location illuminates). At
this location place the corrective weight
amount at top-dead-center.
Have the following items handy: mea-
suring tape and various patch weight sizes.
Note: Before proceeding with Patch Weight Balance,
it is recommended that you use the Match Balance
(Optimization) procedure first, see page 16, in order to
use the smallest patch weight.
WARNING
The Patch Weight Balance involves the loos-
ening of tire beads and the inflation of a
tire. Training is necessary in tire changer
operation and understanding the dangers
involved during bead seating and tire infla-
tion before attempting this stage of the
Patch Weight Balance procedure. Read the
operators manual supplied with the tire
changer and consult a supervisor.
The patch weight balance steps are as follows:
1.
Direct Select Weight position PATCH STATIC. The
balancer automatically sets itself for a STATIC balance.
2. Measure the outside tire
diameter, see figure 16, and
enter this diameter manually
using the keypad.
Figure 16 - Measure Outside Tire
Diameter
3. Spin the wheel.
4. Rotate the wheel until the center weight position
bar blinks. Next, mark the tire and rim at 12 o’clock.
Then remove the wheel assembly from the machine.
5. Disassemble the tire and rim. Place patch weight
in the tire at location marked on the tire. Reassemble
tire and rim matching the marks on the tire and rim.
6. Complete by balancing the wheel assembly follow-
ing normal procedures.
Outside
Diameter