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INTRODUCTION 

 
The Syntron® BF-4-
ALF/ASLF (low 
frequency) 
Electromagnetic Feeder 
is a dynamically 
balanced, two-mass 
isolated vibrating system, 
consisting of a trough and 
trough mounting bracket, 
coupled to the drive 
assembly by leaf springs. 
The BF-4 feeder can 
accommodate a large 
range of trough sizes with 


maximum trough length of 120 inches (3048 mm), and a maximum feed rate of 50 feet (15.24 m) per 
minute. 
 
Because of its unique design, the BF-4 is ideal for feeding various types of products such as snacks and 
vegtables, to packaging and processing equipment such as multi-head weigh scales and filling machines. 
The BF-4 has along trough overhang that reduces product reduces product degradation by allowing the 
feeder discharge to be positioned as close to the scale or transfer point as possible, minimizing product 
drop. 
 
 
 
 

INSPECTION AND STORAGE 

 WARNING: Do not drop the control or feeder; the force of the impact may damage the coponents. 

 
Upon receipt, carefully unpack and inspect the feeder for any damage that may have occurred during 
shipment.  If damage is found, contact the shipping carrier and Syntron Material Handling immediately. 
 
If the feeder is to be stored for an extended period of time, store it indoors, in its original shipping carton, 
in a clean, dry area protected from extreme heat. Plug all holes to prevent dirt, rodents and insects from 
entering. SMH advises placing a corrosion preventive inside the control box. Apply oil or rust preventive 
to the hardware, and completely cover the unit with a waterproof covering.   

 WARNING:    Do  not  oil  the  spring  assemblies.    Oiling  the  spring  assemblies  will  destroy  the 

clamping effect of the spring pads against one another.  No lubrication is required for electromagnetic 
feeders. 

 
THEORY OF OPERATION 

 

Содержание BF-4-ALF

Страница 1: ......

Страница 2: ...1 Service Manual Syntron Electromagnetic Feeder Models BF 4 ALF and BF 4 ASLF stainless steel hardware Installation Operation Maintenance...

Страница 3: ...ge 4 Theory of Operation 4 Installation 5 Installing the Control 6 Operation 7 Maintenance 7 Spring Replacement 8 Magnet Replacement 8 Air Gap Adjustment 9 Measuring the Stroke 11 Troubleshooting 12 O...

Страница 4: ...is found contact the shipping carrier and Syntron Material Handling immediately Read instructions carefully Be familiar with the controls and proper use of the unit Do not operate the unit when Tired...

Страница 5: ...ransfer point as possible minimizing product drop INSPECTION AND STORAGE WARNING Do not drop the control or feeder the force of the impact may damage the coponents Upon receipt carefully unpack and in...

Страница 6: ...sing the pulsating action described above the trough assembly moves particles being conveyed forward the pulls back and allows them to land downstream Repeating this action at 1800 cycles per minute 6...

Страница 7: ...ure 4 CAUTION The feeder must not come in contact with any rigid object or adjacent surface that could hamper its vibrating action Any connections such as dust seals between the trough and adjacent ob...

Страница 8: ...eration the feeder performs with a smooth even stroke If a loud striking noise occurs immediately turn off the unit and verify that the feeder drive and or trough are not contacting any adjacent objec...

Страница 9: ...d clamp Remove the bolts that secure the leaf springs to the base and the bolts that hold the springs to the trough mounting bracket Install the new spring assembly in the reverse order to which the o...

Страница 10: ...will be necessary Adjusting the air gap is a very delicate procedure and may require operation time to obtain the proper setting The air gap is correct when the armature and magnet faces are as close...

Страница 11: ...e that all the magnet screws are secure B Check to make sure that the longitudinal pan ribs are not contacting the base casting To close tighten the air gap 1 Loosen the upper socket head adjustment s...

Страница 12: ...etal stroke gauge attached to the side of the trough rib Refer to Figure 6 While the feeder is operating the inner lines of the gauge appear as an X and the stroke should be read at the intersection o...

Страница 13: ...voltage is below voltage indicated on nameplate Increase line voltage as designated on the nameplate Unit in contact with rigid object Isolate the unit Spring action may be hampered Remove and clean...

Страница 14: ...epair Open winding on rheostat Replace Replace only with parts recommended or supplied by SMH NOTE Some items are equipped with removeable options such as screen panels or covers these items must be i...

Страница 15: ...14...

Страница 16: ...07 Flat Washer 5 8 Zn Pl 2 H0117501 Flat Washer 5 8 SS ONLY H0117502 Belleville Washer 5 8 2 0013X115 Belleville Washer 5 8 SS ONLY 0013X131 K Hex Socket Hd Cap Screw 3 8 24 x 1 3 4 Full Thread 1 H045...

Страница 17: ...Z Pl 4 H0113609 Lockwasher 1 2 SS Only H0113610 Plainwasher 1 2 Z Pl 4 H0117301 Plainwasher 1 2 SS Only H0117202 AB Ground Strap 1 6510 014 D AC Drive Screws 2 H0457102 Do not remove or paint over sa...

Страница 18: ...ctory Order Number 3 Quantity of parts required 4 Syntron part number from manual 5 Description of part 6 Shipping instructions Syntron Material Handling reserves the right to alter at any time withou...

Страница 19: ...Hwy 145 South Saltillo Mississippi 38866 Phone 662 869 5711 Fax 662 869 7493 Toll Free 800 356 4898 info syntronmh com Changshu 2 Road No 1 Changshu Export Processing Zone Changshu Jiangsu China 21551...

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