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4.2 Operation
4.2.1 To use the machine, firstly start the follow-up equipment of the machine, then start
the elevator, and then start the preceding equipment from back to front in turn, finally feed the
materials.
4.2.2 The machine should be started without load. Materials cannot be fed until the
running without load is normal. Adjust the feeding slide properly and keep the coming flow rate
smooth and proper so as to prevent the blockage caused by excessive feeding. Once the
feeding slide is adjusted and positioned, careless action is not allowed.
4.2.3 Check to see if bucket belt has offset and slipping. Make adjustment in time.
4.2.4 In the normal running process, it is prohibited to open the guard of elevator head or
pull out the flapper of elevator foot.
4.2.5 The remaining materials in the feeding hopper should be removed in time.
4.2.6 If there is no special condition, stopping with load is not allowed. Generally
speaking, before stopping the machine, firstly stop the feeding, and then race the machine for
1-3 minutes. The machine cannot be turned off until the materials in the machine are
discharged.
4.2.7 The stopping sequence is opposite to the starting sequence.
5 TROUBLES AND TROUBLESHOOTING
Table 6 Trouble and Troubleshooting
Trouble
Cause
Troubleshooting Method
Materials
return.
(1)Follow-up
equipments
are
in
trouble.
(2)Feeding
amount
increases
suddenly.
(3)Retainer is not adjusted properly
and gap between it and bucket is
excessive.
(1)Stop the machine and remove the trouble of
follow-up equipment.
(2)Adjust the feeding slide and control the feeding
amount of materials.
(3)Open the elevator head and adjust the retainer.
The machine
has
abnormal
noise.
(1)Foreign
materials
enter
the
machine.
(2)Bucket bolts become loose and
buckets come off and are damaged.
(3)Gap between bucket and retainer is
too small and there is collision.
(4)Bucket belt becomes loose or
offsets and buckets touch the housing.
(1)Stop the machine and clear away the foreign
materials in the machine.
(2)Open the access door of repair housing, fix the
bucket bolts and replace the come-off and damaged
buckets.
(3)Open the access door of elevator head and
adjust the retainer.
(4)Adjust the tensioning bolts to tension the bucket
belt and eliminate the offset.
The machine
is blocked by
materials.
(1)The discharging outlet or slide pipe
is blocked by foreign materials.
(2)The feeding amount is excessive
(1)Remove the foreign materials at the discharging
outlet or in the slide pipe.
(2)Correct the flow rate of materials.