Troubleshooting (continued)

Troubleshooting Guide

 

 

 

 

Problem

Cause

Correction

 

 

 

 

 

Upper drive assembly does not

Lower air pressure

Disconnect the air supply.

move up or moves up slowly

 

Make sure main pressure regulator

 

 

reads zero. Reconnect air supply

 

 

and adjust regulator to read

 

 

70 PSIG [5 bar].

 

Defective head raising valve

Clean or replace the

 

 

head raising valve

 

Worn head raising valve actuator

Replace valve

 

Clogged or damaged exhaust

Clean or replace exhaust mufflers

 

mufflers on the upper ends of the

 

 

 

 

head raising cylinders

 

 

 

 

Defective head power valve

Clean or replace the

 

 

head power valve

 

 

 

 

 

Upper taping head does not

Upper drive assembly force adjust

 

 

 

move down at the end of the

regulator set too light

Adjust the upper drive assembly

taping cycle

 

force adjust regulator to

 

 

increase the force against the

 

 

top of the box. Turn air regulator

 

Defective top drive assembly

counterclockwise.

 

 

 

 

 

force adjust regulator

Replace regulator

 

Defective one-way valve

 

 

 

 

 

Defective head power valve

Clean or replace valve

 

 

 

 

Upper drive assembly comes

Upper drive assembly force adjust

Clean or replace valve

down too fast or too hard

regulator set too heavy

Adjust upper drive assembly force

 

 

 

 

adjust regulator to decrease force

 

 

against top of box. Turn regulator

 

Defective upper drive assembly

clockwise.

 

force adjust regulator

Replace regulator

 

Cushion screw wrongly adjusted

 

 

 

 

 

 

Adjust cushion screw at base of

 

Cushion screw missing

cylinder

 

 

 

 

Centering guides move slower

Centering guide force adjust

Replace screw

than normal

regulator set too low

Adjust regulator

 

Centering guide cylinder speed

 

 

 

 

 

controls not in correct adjustment

Adjust speed controls mounted on

 

Defective centering guide power

centering guide cylinder

 

 

 

 

 

valve

Clean or replace valve

 

 

 

 

700r-NA

41

2011 July

Page 51
Image 51
3M 40800 operating instructions

40800 specifications

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