3M 39800 - page 127

3M-Matic 800rf Case Sealer Troubleshooting

The following table lists the pneumatic valves and

describes the function of each valve.

To avoid injury to yourself or others, never

actuate a pneumatic valve unless everyone

is clear of the machine. Also all tools and

cartons must be away from the machine.

Valve Number and Name Valve Function

V1 Head Assembly Cylinder Brakes Valve Initiating the actuator turns the column cylinder brakes

(Turns brakes off) off. The upper head assembly does not move down due

to air pressure on the lower ports of the column cylinders.

V2 Side Drive Assembly Locks Valve Initiating the actuator turns the brakes on. There is no

(Turns brakes on) movement of the side drive belt assemblies.

V3 Head Assembly Cylinders/Lower Ports Valve Initiating the actuator exhausts the lower ports of the

(Exhausts lower ports) column cylinders. The upper head assembly moves down

ONLY if valve V1 is also actuated.

V4 Head Assembly Cylinders/Upper Ports Valve Initiating the actuator exhausts the upper ports of the

(Exhausts upper ports) column cylinders. The upper head assembly does not

move.

V5 Centering Rails Cylinder Valve Initiating the actuator moves the centering rails in;

(Moves rails inward) releasing the actuator moves the centering rails out.

V6 Side Drive Belts Cylinder Valve Initiating the actuator moves the side drive belt assemblies

(Moves assemblies inward) in; releasing the actuator moves the side drive belt

assemblies out.

V7 Paddle Cylinder Valve Initiating the actuator moves the paddle up; releasing the

(Moves paddle up) actuator moves the paddle down.

V8 Infeed Box Stop-Gate Cylinder Valve Initiating the actuator moves the box stop-gate up;

(Moves box stop-gate up) releasing the actuator moves the box stop-gate down.

V9 Flap Folder Arm Cylinder Valve Initiating the actuator moves the flap folder arm down;

(Moves arm down) releasing the actuator moves the flap folder arm up.

V10 Rear Flap Folder Cylinder Valve Initiating the actuator moves the flap folder down;

(Moves flap folder down) releasing the actuator moves the flap folder up.

V11 Fork Cylinder Valve Initiating the actuator moves the fork up; releasing the

(Moves fork up) actuator moves the fork down.

Warning!