Aimco Brakes Assembly System A50 Standard Screw Presenter Operations Manual

- 9 -
Troubleshooting Guide 
MALFUNCTION POSSIBLE 
PROBLEM 
REMEDY 
Machine does 
nothing when power 
is on. Rail is already full. 
Begin system use. 
Screws not 
advancing to 
stopper. zScrews are too big
or too small for
rail.
zNot enough
sc
 re
ws in
cham

be
r.
zScrews are sitting
on top of rail.
zUse a suitable rail.
zAdd screws.
zAdjust the height
of the bru

s
h (see
adj. #2).
zAdjust the height
of the shutter
board (see a

d
j.
#3).
Screws fall into rail 
groove. z  Rail size is too big.
zLength...

-10-
Troubleshooting Guide (cont.)
MALFUNCTION POSSIBLE 
PROBLEM 
REMEDY 
Bit not engaging 
screw head easily. zRail position
inc
orrec
t.
zBit guide position
inc

orrec
t.
zAdjust rail to
prop
 er positio
n
(se

e adj. #1
).
zAdjust bits guide
and rail 
 cove
r to
prop

er positio
n
(se

e adj. #4
).
Machine suddenly 
does not work. zProtection circuit
c
aused by
overload
.
zDid not pick up the
sc
 rew which wa
s
locate

d on th
e
stopp

er for m
ore
than one 

se
cond.
zTurn off power
then on ag
 ain....

-11-
Maintenance
MAINTENANCE 
1. Remove power supply plug.
2. Turn off power before maintenance.
3. Remove all screws from the screw chamber and rail prior to
maintenance.
CLEANING 
Clean Rail 
1. Remove rail from machine.
Loosen rail fix screw located
on the top left of front panel
(see Figure 17).
2. Clean rail surface with softcloth moistened with alcohol.
Clean Rail Guide’s Wall 
Clean the surface of rail guide’s 
wall with a soft cloth moistened 
with alcohol (see Figure 18). 
REPLACEMENTS 
Rail...

-12-
Maintenance (cont.)
BRUSH REPLACEMENT 
1. Turn the brush face down.Insert 2mm hex wrench in
timing axis. Hold and turn
clockwise until brush is in
the vertical position.
2. Loosen brush fix screws.Remove and replace brush
with new brush as shown
in Figure 19.
3. Rotate brush assemblyback to horizontal position
by turning hex wrench
clockwise. 

-13-
Maintenance Record
DATE DESCRIPTION ACTION  

-14-
Warranty
ACRA-FEED® A-50 WARRANTY 
AIMCO/AcraDyne warrants the A-50 Screwfeeder to be free of material 
or manufacturing-related defects (except for normal wear) for a period of 
one (1) year from original shipment. This warranty is based on usage 
generated in an eight-hour workday.  

Notes: 
- 15 - 

      Corporate Headquarters 
10000 SE Pine Street 
Portland, OR  97216 
800-852- 1368
FAX 800- 582-9015
www.aimco-global.com Ave. Cristóbal Colon 14529 
Chihuahua, Chihuahua.  311
25 
Mexico 
011- 52-(614) 380-1010
FAX 011- 52-(614) 380- 1019 LIT-MAN
830  Rev. 
03/2016  Printed in USA  ©2016 AIMCO