Technical Manual & Parts Lists
27
Seal Bar Maintenance and Replacement
WARNING:
Wait until the heat sealing bar has cooled enough (approx. 3 hours) before servicing seal
bars or the areas near the bars. If maintenance on the machine is absolutely necessary before sealing
bars have had a chance to cool down, the person performing the maintenance must use safety equipment
approved by OSHA or local law to protect against burns.
The unit has three (3) heat sealing bars. (a-cross
seal), (b-right seal), and (c-left seal). The optimum
temperature and the dwell settings depend on the
type of plastic film being used, the thickness of the
film, and the bag construction. For instance, if the
requirement is for boot plastic only at one end of the
bed, this means there are four plies of plastic on one
side, but only two plies on the other side. Furthermore,
the Cross Seal has to seal four plies on one end, and
only two on the other. Due to the variations such as
that, the dwell times and/or the
temperature are fine-
tuned during the machine installation. After Installation if the packaging variables ever change,
the dwell time in most cases is the only correction needed for a proper weld.
Temperature Settings
Standard temperature settings of the heat sealing bars are as follows:
Sealing Bar
Temperature º F / º C
Closing Time
Cross Seal No Boot
325 º F / 162 º C
170 a 200
Cross Seal W/Boot
345 º F / 173 º C
170 a 200
Right edge No Boot
325 º F / 162 º C
170 a 200
Right edge W/Boot
345 º F / 173 º C
170 a 200
Left edge No Boot
325 º F / 162 º C
170 a 200
Left edge W/Boot
345 º F / 173 º C
170 a 200
The left seal thermo coupler is monitored by the # 27 module, the right seal is module # 35 and the cross
seal is module # 22.
Seal power left, right, cross seal and manual seal are controlled by modules # 11 and # 12.
Summary of Contents for 1390BX
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Page 157: ...Technical Manual Parts Lists 149 1391162 Cable kit 125688B ...
Page 158: ...Technical Manual Parts Lists 150 1391874 Cable Kit ...
Page 159: ...Technical Manual Parts Lists 151 1390B PD Pneumatic Diagram 125373D ...
Page 160: ...Technical Manual Parts Lists 152 1390B PD2 Pneumatic Diagram optional equipment 125694B ...
Page 161: ...Technical Manual Parts Lists 153 1390BX PD Pneumatic Diagram 125894C ...
Page 162: ...Technical Manual Parts Lists 154 1391450 PD Pneumatic Diagram Pusher Optional 125892C ...
Page 163: ...Technical Manual Parts Lists 155 1390 PD3 Pneumatic Diagram Full Compression 125630B ...
Page 164: ...Technical Manual Parts Lists 156 1390 PD4 Pneumatic Diagram Full Compression 125631B ...
Page 165: ...Technical Manual Parts Lists 157 1390B WD1 Control Box Wiring Diagram 125493B ...
Page 166: ...Technical Manual Parts Lists 158 1390B WD2 Wiring Diagram SBUS 125494B ...
Page 167: ...Technical Manual Parts Lists 159 1390BX WD Control Box Wiring Diagram 125845C ...
Page 168: ...Technical Manual Parts Lists 160 1390BX WD2 Wiring Diagram SBUS 125893C ...
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