
Chapter 9 Troubleshooting
- 56 -
[WO-4841
;
JL4-V
・
VC-56]
The blower rotates but does not suction air.
Location to be checked
Action
Precaution
Check the blower for reverse
rotation.
*
The blower rotates in
reverse if air is suctioned
from the exhaust port of the
blower.
Refer to Chapter 3 Installation
to rotate the blower forward.
Turn “OFF” the primary power supply and
power circuit breaker before carrying out
work.
Check that the suction hopper
damper is securely closed.
*
Only when the suction
hopper type SD control
collection hopper is used.
Securely connect the power
connector for the
electromagnetic valve.
If the damper still does not
close, replace the
electromagnetic valve.
For purchase of the electromagnetic
valve and type, contact Matsui SDI.
Entrust Matsui SDI or your employee who
has sufficient working knowledge of
electricity to carry out inspection or
exchange, since the operation includes
the potential for failure or danger.
Check that external air is
suctioned from the connection
end of the conveying hose or
suction hose.
Securely tighten the hose
clamps.
If any of the hoses are broken, replace
them with new ones.
For purchase of the hose and type,
contact Matsui SDI.
Check that the conveying hose
is not clogged with material.
Remove the material from the
conveying hose.
Increase the amount of
secondary intake air by
adjusting the secondary air
adjustment ring of the suction
nozzle at the end of the
conveying hose.
If the suction part (metal mesh part) of
the secondary air adjustment ring is
clogged, blow clean dry air to remove
deposits.
Summary of Contents for JL4-4V-3~6
Page 76: ......