COATS ProGuard Leverless Plus Tire Changer - Manual (Page 23)

Operation Manual - COATS PRO GUARD PLUS - 23
Check the correct centering and locking of the wheel onto the center-plate.
Check that the upper disk arm is in the right position (step 1)
-to move the upper disk in its right position: unlock it from rest position by pressing the right lever
to the left (A), then lift the disk arm support by hand and lock it by pressing the right lever to the right (B)
Turn the switch 6 clockwise to free the bead-breaking unit and position it by handling the console, in order to let the
upper roller keep to 5 mm distance from the rim border, then lock the bead-breaking until by turning again te switch 6
clockwise.
Move the bead breaking arm onto the tire by pressing buttons 8-9 an 10-11
A B
Step 1
DEFLATE the tire completely by removing the valve core before starting any work.
-Remove all weights from the rim by a proper tool, paying attention not to damage the rim.
-Before starting any operation, please check the eventual presence of a pressure sensor. In positive case, it is prefe
rable to check its effi ciency by a dedicated diagnostic tool.
-The bead loosening rollers are mounted on special tilting supports to ease bead loosening on wheels with high profi le
or soft tires. This procedure is
“Over Run”
17.1_Upper bead loosening
5
6
7
8
9
10
11
12 13
1
2 3
4
Lift up the hook lever
to release the lower
roller.
Push down the hook
lever to release the
upper roller
“OVER RUN” PROCEDURE SHOULD NOT BE USED ON UHP AND RUN FLAT TIRES
17.0_BEAD LOOSENING
Do NOT start any work on the wheel before the tire is completely defl ated.