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Rasper For Starch Processing Line
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Rasper Installation and maintenance

April 18 , 2023

1. Installation

By drawing on-site precast concrete foundation, according to the size of the reserve a fixed bolt hole (see "Rasper foot drawings"), concrete foundation must be smooth, level. When Rasper installed in its final position, make sure the holes for the fixing bolts located in the center, and check whether the machine perfectly level (important !!). According to the provisions of secondary pouring concrete slurry to set aside the hole until the hole concrete mortar solidified again after checking the horizontal position, then tighten the bolt base.

2. Check before start running

(1)All parts must be checked for damage;

2)You must check whether the foreign body or curable hard impurities within the enclosure, should be cleaned;

3Sieve fastening must be checked;

4You must check the spacing between bars and the rasp plate ,spacing <2mm;

5Must be check the position of each group rasp bars;

6Must check the motor rotation is correct;

7Must check the V-belt tension, not too loose or too tight;

8Must check the fastening of bolts of each housing;

9)Rasping must check whether the fastening strip, whether protruding rotor and housing scratch phenomenon, if the rasp bar adjustment in place, flush with the end face of the rotor;

10Grease the case must be checked each part;

11Must check power distribution control system, safety protection device is intact.

Checked to ensure the safety and correct boot drive motor, when the motor reaches maximum speed before feeding operation.

3. Maintenance

(1)Stop feeding the material processed in the standby off the motor power, open the flushing water (only maintained until the rotor is completely stopped);

(2)Weekly Check sieve and rasp bars in each group, the damaged must be replaced;

(3)Weekly Check condition of V-belts tightness;

(4)Every 200 hours of use,add a grease in bearings and other parts;

(5)Maintenance and inspection work wear after 2000 hours: bearing, combination rasp, V-belt, plate and moving parts;

(6)After 10,000 hours of work required to carry out all the general maintenance and inspection;

(7)Regularly check bearing temperature, normal operating temperature must not exceed the specified temperature (see bearing manufacturer instructions);

(8)When Rasper disable more than one day, the groups need to remove the rasp bars to prevent rusting ;

(9)When Rasper disabled longer time, remove the rasp bar in each group, then need to loosen the belt, regular rotation of the rotor, bearings, if necessary, to reconfigure;

(10)When replacing the sieve or rasp bars , beware sharp rasp bars and pay attention to safety. Each time the machine is stopped maintenance, you should check whether the foreign body inside the casing, and promptly clean up.

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