PIAB C 1200 Series, Руководство по устранению неисправностей

Страница: 42 / 60

VACUUM CONVEYORS
42
TROUBLESHOOTING GUIDE: CONTROL UNIT PPT/R, PART # 01.06.066
Problem Possible Causes Possible Solutions
No air to the control unit
X
Air is shut off·
X
The 6mm tubing is not connected
X
·Connect the air supply to the pump
(40-100 psi)·
X
Connect the 6mm tubing to the mani-
fold of the pump and the 6mm connec-
tion on the control unit·
X
Turn the compressor ON·
X
Locate the ball valve for the incoming
air supply·
X
Open the ball valve
The conveyor did not cycle
The conveyor does not completely shut
off
X ·The color-coded tubing are not connected
correctly·
X The color-coded tubing is not pushed com-
pletely into connectors·
X The timers are set incorrectly
X ·Timer shuts off immediately·
X The O-ring may be misplaced or cracked in
the compressed air inlet of the pump (Not
valid with Classic L100)·
X One of the O-rings on the PPT/R timer
could be missing or cracked·
X Inadequate air pressure for shifting the shut-
tle valve on the pump (Not valid with Clas-
sic L100)
X ·Follow the color for each function of
the control unit·
X Connect corresponding color tubing
with matching control function port·
X Push the control tubing completely into
control connectors·
X Set the timers (V1=5sec, V2=2sec)V1
= 01.04.477 / V2 = 01.04.476
Timers do not contain stops / They will
continue turning, changing from maxi-
mum setting to minimum setting·
X Replace timer ·
X Replace O-ring on compressed air inlet
of the pump·
X Replace the O-ring on the PPT/R in the
area of air leak·
X Check air supply pressure
The control unit did not cycle
X
·Material obstructing bottom door·
X
To high (40 to 100 psi) a pressure coming
from the regulator on the PPT/R
X
·Clear any material that is obstructing
bottom door·
X
Adjust the regulator on the PPT/R
clockwise until a pressure gauge
inserted into the PPT/R regulator reads
30 to 35 psi
Pump and PPT/R are cycling on and off,
but the bottom door will not open all the
way or at all X ·The conveyor may be packed with material
/ preventing the release of vacuum in the
conveyor·
X To low (0 to 25 psi) a pressure coming from
the regulator on the PPT/R·
X Bottom door may be sticking to the bottom
seal
X ·Open conveyor and clean out all of the
productReset the PPT/R timers to 5
seconds on and 10 seconds off (Adjust
on and off timers to reduce waiting
time between cycles)·
X Adjust the regulator on the PPT/R
counter clockwise until a pressure
gauge inserted into the PPT/R regulator
reads 30 to 35 psi·
X Clean bottom seal, removing any mate-
rial stuck to it and any residue left
behind by the material