Chapter 5:  Maintenance and Troubleshooting
5-7
 ■ Procedure for switching from automatic to manual operation
The procedure for switching from automatic operation to manual operation is shown 
below.
Step  Procedure
1  Open the A/M switch cover plate by manually rotating it clockwise 180°. (The cover plate 
can be made to rotate easily by pressing on the upper left of the cover plate at the same 
time.)
2  Rotate the A/M switch one turn in the counterclockwise direction (the MAN direction) 
using a flat-blade screwdriver. (Confirm the change using an output air pressure gauge.)
 ■ Procedure for switching from manual to automatic operation
The procedure for switching from manual operation to automatic operation is shown 
below.
Step  Procedure
1  Rotate the A/M switch one turn in the clockwise direction (the AUTO direction) using a 
flat-blade screwdriver. (Confirm the change using an output air pressure gauge.)
2  Manually rotate the A/M switch cover plate counterclockwise 180° until it stops with a 
clicking sound.
Caution
• 
Do not loosen the A/M switch cover plate screw.
• Do not rotate the A/M switch too far in the counterclockwise direction, as doing so 
will cause the O-ring to detach, resulting in air leakage.