Passenger Tire Changers Service Manual 07-13 Rev.B
69
Install the new cylinder
Plug in the pipes
Connect the air pressure and check if it works fine again.
Mount the plastic cover
6.20 MH CYLINDER CONTROL VALVE: CHECK AND REPLACEMENT
:
30’
: End key 5 and 22mm, Allen key 3mm.
: Defective control valve may cause the following malfunction:
1. Air
leaking
2.
Low bead pushing pressure
3.
Slow MH motion
TO CHECK THE MH CONTROL VALVE:
Follow paragraph 7.14
TO REPLACE THE MH CONTROL VALVE:
Disconnect the air pressure form the machine
Remove the joystick knob and the nut
Remove the control valve cover.
Unscrew the screws that secure the valve to its cover.
Unplug the air hoses from the valve.
Loosen the screws to take out the defective valve.
Install the new valve and plug the air hoses.
Connect the air pressure again.
Adjust the lowering and raising cylinder speed by turning the two adjustable
exhaust valve.
Mount the control valve cover.
Check if the machine works fine again.