AUTOMATIC SCREW FEEDER
KFA-0850A (VACUUM TYPE)
Instruction Manual
（ENGLISH）
Please read this manual thoroughly, before operating the unit and retain it for
future reference.
Patented in China, Taiwan, Japan & Korea.
Imitation of product will be caused prosecution.
Y2F152-3-001
SAFETY INSTRUCTIONS
PLEASE NOTE FOLLOWING CONDITIONS BEFORE USING KILEWS KFA-0850
◎ For a normal performance, please install this machine on a flat and stable
working table, do not slant or pad, otherwise machine function might be
affected.
◎ Turn off the power switch and unplug the AC adaptor when this machine is
not being used for a period of time.
◎ To avoid damage and malfunction, use the AC adaptor supplied with this
machine only.
◎ Keep the surface of the rail groove clean and free from dust and oil.
Failure to keep the rail groove clean could result in damage to the
machine.
◎ The applied screws must be clean without grease or dust, and screw size
is within specified range as machine rail.
◎ Handle screws on rails with care, do not use excess force to remove them
or the rails may be damaged.
◎ When scooping chamber is turning, do not put fingers or objects other
than screws into the chamber.
◎ Do not turn ON the power switch before the rails are set properly for
operation.
◎ In case of malfunction during operation, please turn off the power and
unplug the AC adaptor. Contact your supplier at on
Whenever this machine requires service, please contact your supplier for
assistance, or go to our website & e-mail us your contact detail and
requirement, we will respond ASAP.
CONTENTS
CHECK BEFORE OPERATION…………………………..………………………1
ACCESSORIES INCLUDED…………………………………………………….1
CHECK THE SCREW SIZE ………………………..……………………..…1
FUNCTIONS WITH ADJUSTING HOLES ON HOUSING AND PCB ……... .2
ADJUSTMENT………………………………………………………………………3
ADJUST THE RAIL ASSEMBLY…………………………………………………3
DISMANTLE THE RAIL ASSEMBLY………………………………………….3
ADJUST THE WIDTH OF RAIL ASSMEBLY…………………………………6
INSERT THE RAIL ASSEMBLY……………………………………………….8
ADJUST THE HOLDING PLATE……………………………………………….10
ADJUST THE FEEDING STRUCTURE……………………………………….11
ADJSUT THE SENSOR FUNCTION…………………………………………..13
ADJUST THE V CHASE ON ROLLER......……………………………………14
ADJUST THE BRUSH…………………………………………………………..15
OPERATION METHOD……………………………………………………………16
LOAD SCREWS INTO CHAMBER…………………………………………….16
PICKING UP SCREW…………………………………………………………...17
DISPLAY PANEL OPERATION…………………………………………………18
MAINTENANCE & TROUBLE SHOOTING……………………………….……21
MAINTENANCE & CLEANING…………………………………………………..22
INTERNATIONAL WARRANTY CONDITIONS………………………………...23
1
CHECK BEFORE OPERATION
ACCESSORIES INCLUDED
Please check if there are complete accessories included with your KFA-0820H:
CHECK THE SCREW SISE
Measure the size precisely on each part of applied screw with a caliper.
Table A
HEX Wrench 2.0*107mmL Type*1
Power Controller AC 100~240V/DC12V*1
Orbit Back-End Chip Rule
20*10*0.2mm*2pcs&0.5mm*6pcs
Orbit Front-End Chip Rule
20*10*0.2mm*2pcs&0.5mm*6pcs
Instruction Manual*1
a
Dia. of screw head
b
Height of screw head
c
Length of screw body
d
Dia. of screw bolt
e
Total length of screw
2
FUNCTION WITH ADJUSTING HOLES ON HOUSING AND
PCB
A. Lock Gate Plate
B. Power S.W.
C. Indication Light
D. DC Power Hole
E. Grounding Hole
※ Attention ※
a. Part F, G, H are installed and set properly by Kilews, please do not adjust by
your own.
b. Part F,G,H are on the PBC, do not adjust with inproper tool or do the
process too hard, in case to damage VR.
A.
B.
C.
D.
E.
A.
3
ADJUSTMENT
After checking the screw size, it needs to adjust all related parts according to
the screw size for the first use.
ADJUST THE RAIL ASSEMBLY
1.Remove the fixing screws of guide assembly, dismantle the guide assembly.
2. Remove the fixing screws (6pcs) of front housing, and take off the front
housing.
4
3. Dismantle the fixing screws (4pcs) of feeding structure, and take it off.
4. Facing the machine, use Hex wrench to loose the screw clockwise to open
the lock gate upward.
5. Facing the machine, use Hex wrench to loose the screw clockwise to open
the lock gate rightward.
5
ADJUST THE WIDTH OF RAIL ASSEMBLY
1. Remove the fixing screws on the front end of rail assembly.
2. Remove the screws on the rear end of rail assembly. Then take off
the tooling plate.
3. According to Table b, insert the suitable tooling plate into the front
and rear end of the rail. Then adjust the width for left and right rail.
Tighten the screw of step 1 and 2.
6
※COMBINATION OF THE THICKNESS FOR REFERENCE ※Table b
Dia. of Screw
Bolt (d) mm
Accessory-Tooling Plate
(Rear) mm
Dia. of Screw
Bolt (d) mm
Accessory-Tooling Plate
(Rear) mm
1.2
0.5*2+0.2*2=1.4
2.6
0.2 + 0.5 * 5 = 2.7
1.4
0.5 * 3 = 1.5
3.0
0.2 + 0.5 * 6 = 3.2
1.7
0.2 * 2 + 0.5 * 3 = 1.9
3.5
0.2 + 0.5 * 7 = 3.7
2.0
0.2 + 0.5 * 4 = 2.2
4.0
0.2 + 0.5 * 8 = 4.2
2.3
0.2 * 2 + 0.5 * 4 = 2.4
5.0
0.2 + 0.5 * 10 = 5.2
4. After width adjustment of the rail assembly, place a screw into the groove
and slide it up and down to both sides. Then check whether the
movement is smoothly.
※ NOTE THE FOLLOWING WHEN MAKING ABOVE ADJUSTMENT
a. Please be sure to keep the width of rail from the beginning to the end
uniformly.
b. When adjusting the width of front rail assembly, the screw of step 1 must
be fastened.
7
INSERT THE RAIL ASSEMBLY
1. After the width adjustment of rail assembly, insert it into machine, and
then fasten the fixing screw.
2. Install the feeding structure. Then fasten the screws.
8
3. Set the lock gate, keep 0.2~0.5mm open space between gate to rail
assembly.
4. Loosen the fixing screw of rail assembly. Keep 0.2~0.5mm open space
between the front end of rail assembly and circled plate. Then fasten the
screws.
※ NOTE THE FOLLOWING WHEN MAKING ABOVE ADJUSTMENT ※
a. When inserting the rail assembly, it must keep 0.2~0.5mm open space from the
circled plate.
b. When the rail can’t be installed, please check if the position of V chase is installed too
low.
c. Keep 0.2~0.5mm open space between the lock gate and rail assembly.
0.2~0.5mm
9
Force-down plate adjustment
1. Loosen fixing screw on force-down plate
2. Use accessory tooling plate adjust height of force-down plate and then
fasten screw in step 1
3. Put some screws into the groove and slide it up, to check whether the
movement is smooth
※ NOTICE ※
When adjust force-down plate, the screw in step 1 must fasten tightly to
avoid loosing
10
Distribution Mechanism adjustment
1. Loosen fixing screw from front of distribution mechanism
2. Align disc gap with central of rail by adjust front of distribution mechanism
by left and right,Fasten the loosen screw in step 1
3. Loosen two hexagon screws
11
4. Adjust from part by up and down to make disc and rail flush, and then
fasten loosen screw in step 3
※ NOTICE ※
a. Align disc gap with central of rail, and upper plane cannot higher than
upper plane of front rail
Flush
12
Adjust Sensor Function
1. Loosen the fixing screw of sensor fixing plate
2.Make sure to cover half of the hole, and then fasten the screw of step 1.
※ NOTICE ※
a. Make sure to cove half of the hole, and do adjustment to ensure the sensor
function no problem.
13
Adjust V Chase on Scooping Chamber Back
The V Chase is locate on top of the rail, and fastened to the back of Roller Assembly. The
purpose is to catch fallen screws from the Rollers, and guide screws back to the rail.
1. Using the Allen wrench to loosen the Hex Socket Head Cap Screws behind the main body
2. Adjust V Chase to face to the center of the rail. Distance between Chase and rail should be
0.8~1.0mm
※ NOTICE※
a. Keep 0.8~1.0mm open space between V Chase and the end of the rail，and V Chase aligned
to the center of the rail.
0.8~1.0mm
14
Adjust the Brush
1. Swing the brush to stay almost horizontal, loosen screw on the side of brush bracket.
2. Place 5~8 screws into the rail groove close to the holding plate rear end and loosen 2 screws
on the side of the brush bracket. Swing the brush and adjust the height until the brush just
touch the screw heads slightly, and tighten the screws after adjustment.
3.When fix the brush position, keep suitable space form the Front Plate and Fixing Plate.
4. Brush bracket and driving rod must be parallel and fix to the
center.
※ NOTICE ※
a. After adjustment of the
height of the brush, swing
the brush by hand to
make sure the movement
runs smoothly.
b. The brush length is
inconsistently, please
ensure the brush match
rail when replace it.
15
Method of Operation
Load Screws Into the Chamber
Turn off the power first, and open the Top Cover Box. Ensure the screws are loaded without
foreign materials, pour in screws until they come up to 1~2mm below the top on both sides of
the rails.
Can contain screws between 200~220cc. All objects other than applied screw are deemed as
foreign material which should be removed first; or it will affect the performance of this ma chi
16
Signal Connector Board
PLC positive power
PLC Signal
Note: the signal output: screw in place, through the photoelectric sensor, the signal
output
Red
Connection: Connect the red line to the positive power supply terminal of the PLC,
and the black line to the PLC signal input terminal.
Black
Black
Red
17
Counter interface operation
1. Display interface diagram
1. Function of the Button
SET：Setting mode UP：Upper（Increase button）
OK：Confirm（Counter function） DOWN：Lower（Decrease button）
2. Operation function and description
1. Count State：Automatic counting state and set the counting state, press the OK key to
switch.。
2. Restore the factory state: In the standby or working state press the SET button and OK
button at the same time for 3Sec, LED display flashes 3Sec and buzzing prompts the system to
restore factory settings.
3. SET function description
3.1 In the standby or working state, press the SET button and hold 3Sec to enter the system to
the number of settings, LED flashes and display as ，LED display flashes，then
Press UP or DN to adjust the count number（System defaults as 00，number range of setting
from 00~99），Press the OK button within 3sec or 3sec does not press the button; the system
confirms the completion of the setting and makes a beep.
※ Note: If the setting count status is not displayed after setting, press the OK key to switch.
3.2 In the standby or working state, press SET button 2 times to enter the system of increasing ,
decreasing mode，LED flashes and display as ，00 as increment mode，
18
01 as decrement mode，press up or down button to change it，（ System defaults as 00）， Press
the OK button within 3sec or 3sec does not press the button; The system confirms the
completion of the setting and makes a beep.
※ Note: If the setting count status is not displayed after setting, press the OK key to
switch.
3.3 In the standby or working state, press SET button 3 times to enter the system of Beep
setting，LED flashes and display as ，00 as turn on the beep,，01 as turn
off the beep function，press UP or Down button to change it,（system defaults as 00），Press
the OK button within 3sec or 3sec does not press the button; The system confirms the
completion of the setting and makes a beep.
3.4 In the standby or working state, press SET button 4 times to enter the system of Vibration
delay setting，LED flashes and display as ，press UP or Down button to
change the time of vibration delay setting（system defaults time of vibration delay time is based
on the property of screw type, setting range as 01~12Sec,）， Press the OK button within 3sec or
3sec does not press the button; The system confirms the completion of the setting and makes a
beep.
3.5 In the standby or working state, press SET button 5 times to enter the system of Vibration
intensity setting，LED flashes and display as ，press UP or Down button to
change the setting of vibration intensity（system defaults time of vibration intensity is based on
the property of screw type, setting range as 01~10, 5V~10V, 10 steps in total, every 0.5V as 1
step），Press the OK button within 3sec or 3sec does not press the button; The system confirms
the completion of the setting and makes a beep.
3.6 In the standby or working state, press SET button 6 times to enter the system of roller
19
delay time setting,，LED flashes and display as ，press UP or Down button
to change the setting of delay time（system defaults time of roller delay time is based on the
property of screw type，setting range as 01~12s），Press the OK button within 3sec or 3sec does
not press the button; The system confirms the completion of the setting and makes a beep.
3.7 In the standby or working state, press SET button 7 times to enter the system of roller
strength setting，LED flashes and display as ，press UP or Down button to
change the setting of strength value（system defaults strength of roller is based on the property
of screw type, setting range as 01~10, 5V~10V, 10 steps in total, every 0.5V as 1 step），Press
the OK button within 3sec or 3sec does not press the button; The system confirms the
completion of the setting and makes a beep.
3.8 In the standby or working state, press SET button 8 times to enter the system of turntable
strength setting, LED flashes and display as ，press UP or Down button
to change the setting of speed value（system defaults strength is based on the property of
screw type, setting range as 01~10），Press the OK button within 3sec or 3sec does not press
the button; The system confirms the completion of the setting and makes a beep.
3.9 In the standby or working state, press SET button 12 times to enter the system of
Vibration direction Forward or reverse setting ， LED flashes and display as
，00 as forward，01 as reverse，press UP or Down button to change the
setting（system defaults as 00），Press the OK button within 3sec or 3sec does not press the
button; The system confirms the completion of the setting and makes a beep.
20
Troubleshooting
Please power off for examination once needed
Status
Caused
Solution
No action after power on
or come with abnormal
sounds
No AC power or loose cable
Check the power controller
Screws quantity too much
Take some screws out
Switch, motor, PCB malfunction
Replace Switch, motor or PCB
Screws fall in to the inside of machine
Clean it up
Infrared sensor not in the correct position
Adjust the infrared sensor
The infrared device is blocked
Clean it up
Roller chamber not rotate
Roller motor malfunction
Replace the roller motor
Foreign stuck between the gears or
gear crack
Remove foreign objects, replace
components
Screw can’t slide out from
screw feeder’s rail
The track clearance does not match the
screw
Adjust the width of the gap between
the left and right of the track
Screws block the gate way that brush can’t remove it
Adjust the height of brush
Gate door too small
Adjust the upper, right gate door
Push down plate not high enough
Adjust the position of push down plate
The vibration motor does not vibrate
Replace the motor of vibration
No signal output
Relays PCB burned or
connection issue as cables fall
meter detects if there is a signal.。
1.Signal indicates that the cable is
disconnected and just need reconnect.
2. No signal Description Relay burned, replace the
relay board
PCB got damaged or connection
issue as cables fall
Use meter to check if there has 5V output。
1.Signal indicates that the cable is
disconnected
and just need reconnect.
2. No signal Description PCB burned, need
replace the PCB
Beep alarm with signal
lights always on
PCB burned out
Replace the main PCB
21
MAINTENANCE & CLEANING
Turn off the POWER before performing maintenance and cleaning.
CLEANING AND MAINTENANCE THE BRUSH
Using the dry cotton to wipe the brush to remove the dust, Swing the brush by hand
and adjust the height of the brush to make the brush in touch with screw heads.
Replace the brush when brush hair is too worn and cannot wipe down screws in an
improper position.
CLEANING AND MAINTENANCE THE RAIL
Withdraw the rail assembly, clean the rail groove and top of the rail (area for screws
flow) with a clean thin cotton cloth soaked with alcohol or benzene. Use the Allen Key
to check if the screws for the parts of rail assembly are fastened.
INTERIOR CLEANING
After cleaning the rail assembly, take out any screw or foreign material inside of
machine, and clean whole interior parts, walls particularly the motor, PCB and gear to
prevent effecting against machine functions.
OPTIONAL PARTS：
Please use genuine parts to ensure products quality and avoid influences caused
against performance of this machine.
REMARK：
When using screw of special types or other than specified, please consult our
distributors.
22
WARRANTY CARD
The warranty is valid for 12 months from purchase date (based on 8 working hours
a day). Please contact your supplier during the warranty period for repair or
maintenance.
NOTE:
1. The service cost shall be considered as chargeable if the failure/cost was induced
by any of the following conditions:
-Failure due to improper handling or un-authorized modification.
-Failure has nothing to do with the original design of the machine.
-Labor and parts cost to replace the consumable parts (brush, motor, rail assembly,
etc.).
2. The WARRANTY will be void under any of the following conditions:
-Failure arising from a case or an accident beyond one’s control or Act of God.
-It has been modified, altered and/ or repaired by an unauthorized dealer, purchaser
or third party.
-The serial number, warranty card has been altered, de-faced and /or removed.
-Failing to use genuine parts sold or recommended by the Company.
3. Under this warranty, the company only provides service at any time during
normal business hours. Should emergency service is required outside normal
business hours, and such service if available will be provided with a charge on a per
call rate basis.
4. The warranty is not transferable without the consent of the Company
23
WARRANTY CARD
CUSTOMER：
TELEPHONE：
ADDRESS：
PURCHASE DATE：
DISTRIBUTOR：
MODEL NAME
AUTOMATIC SCREW FEEDER (PICK UP TYPE)
MODEL NO.
SERIAL NO.
SCREW SIZE
1.2~5.0mm
SWITCHING ADAPTOR
DC IN 12V
MEASUREMENT
MACHINE : 182（L）*124（W）*147（H）mm
EACH CARTON :282（L）*142（W）*201（H）mm
WEIGHT
N.W 3.1kg
G.W 3.67kg
Remark:
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