Passenger Tire Changers Service Manual 07-13 Rev.B
70
6.21 BEAD INFLATING VALVE: CHECK AND REPLACEMENT
:
1h
: Medium flat screwdriver, 8,10 and 13mm end key.
: Defective inflation spool valve may cause the following malfunction:
1.
Air
leaking.
2.
No inflating action.
3.
Air leaking from the blaster jet.
TO CHECK THE SPOOL VALVE:
Remove the side panel from the machine.
Check if the mechanical components (springs, screws and linkage) are fine.
Check if the valve is leaking air from the rear springs when the pedal is in rest position.
Check if the valve is leaking air from front locking nuts when the pedal is in rest position.
TO REPLACE THE SPOOL VALVE:
Disconnect the air pressure and power supply from the machine.
Remove
the
collar.
Unplug the pipes from the valve.
Remove
the
collar.
Unlock the nut and the counter nut and remove assembly
from the cabinet.
Remove the nuts and the screws to remove the valve from the bracket.