3M 3M-Matic S-857 Datasheet

Instructions and Parts List
S-857
"L" Clip Applicator
Type 29500
3M Packaging Systems Division
3M Center, Building 220-8W-01
St. Paul, MN 55144-1000
"Scotch" and "3M-Matic" are Trademarks
of 3M, St. Paul, MN 55144-1000
itho in U.S.A.
©3M 1998 44-0009-1872-0(B18.0)
Serial No.
For reference, record machine serial number here.
Read "Important Safeguards",
pages 3-4, BEFORE
INSTALLING OR
O ERATING THIS
EQUI MENT.
Important Safety
Information
3
3M-Matic
TM

i
Intended Use ............................................................................................................................... 1
Equipment Warranty and Limited Remedy .................................................................................. 2
S-857 Contents ........................................................................................................................... 2
Important Safe uards .................................................................................................................. 3 - 4
Specifications .............................................................................................................................. 5
Installation And Set-Up ................................................................................................................ 6 - 9
Receivin and Handlin .............................................................................. 6
Machine Set-Up .......................................................................................... 6
Mountin ..................................................................................................... 6 - 7
Air Re ulator/Filter/Lubricator ..................................................................... 8
Tape Drum-Bracket Assembly ..................................................................... 9
Theory of Operation .................................................................................................................... 10 - 14
General Information .................................................................................... 10
Operational Explanation .............................................................................. 11 - 13
Rest Position, Air Off ............................................................................ 11
Rest Position, Air On ............................................................................ 11
Application Cycle, Cut/Buff Sequence .................................................. 12
Application Cycle, Feed Sequence....................................................... 13
Components ................................................................................................ 14
Valves................................................................................................... 14
Cylinders .............................................................................................. 14
Operation ..................................................................................................................................... 15 - 16
Tape Loadin And Threadin ....................................................................... 15 - 16
Operatin Sequence .................................................................................... 16
Adjustments ................................................................................................................................. 17
Tape Width ................................................................................................... 17
Tape Web Ali nment .................................................................................... 17
Tape Drum Tension ...................................................................................... 17
Tape Tension Roller ...................................................................................... 17
V-8 Valve Adjustment ................................................................................... 17
Air Flow Controls .......................................................................................... 17
Maintenance ................................................................................................................................. 18
Blade Replacement ...................................................................................... 18
Air Line Filter ................................................................................................ 18
Air Line Lubricator ........................................................................................ 18
Instruction Manual
S-857 L Clip Applicator
Type 29500
Table of Content Page

ii
Troubleshootin ............................................................................................................................ 19 - 21
Troubleshootin Guide ................................................................................. 19 - 20
Air Line Connections/Tubin Len th ............................................................ 21
Replacement Parts and Service Information ................................................................................ 23
Recommended Spare Parts ......................................................................... 23
How To Order Replacement Parts................................................................ 23
Repair Service.............................................................................................. 23
Replacement Parts Illustrations And Parts Lists ........................................................................... 24 - 39
Typical Mountin Set-Up .............................................................................................................. 41 - 42
Table of Content (Continued)

1
3M-Matic S-857 "L" Clip Applicator, Type 29500
The intended use of the S-857 "L" Clip Applicator is
to apply an "L" clip of Scotch brand filament tape
to most box corners
The machine is designed for installation adjacent to
a conveyor system or on a stand for off-line systems,
the S-857 allows the operator to quickly apply the "L"
clip box closure When a box is inserted into the
Intended Use
nest, the product paddle is depressed and the air
operating mechanism which applies the "L" clip tape
closure is activated causing the "L" clip to be
automatically applied to the box corner
The S-857 "L" Clip Applicator has been designed
and tested for use with Scotch brand filament
tape

2
Eq ipment Warranty and Limited Remedy: THE FOLLOWING WARRANTY IS MADE IN LIEU OF ALL
OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTY OF MERCHANTABILITY, THE IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR
PURPOSE AND ANY IMPLIED WARRANTY ARISING OUT OF A COURSE OF DEALING, A CUSTOM OR
USAGE OF TRADE:
3M warrants that its 3M-Matic S-857 "L" Clip Applicator, Type 29500 will be free from defects for ninety (90)
days after delivery If any part is proved to be defective within the warranty period, then the exclusive remedy
and 3Ms and sellers sole obligation shall be, at 3Ms option, to repair or replace the part, provided the defective
part is returned immediately to 3Ms factory or an authorized service station designated by 3M A part will be
presumed to have become defective after the warranty period unless the part is received or 3M is notified of the
problem no later than five (5) calendar days after the warranty period If 3M is unable to repair or replace the part
within a reasonable time, then 3M, at its option, will replace the equipment or refund the purchase price 3M shall
have no obligation to provide or pay for the labor required to install the repaired or replacement part 3M shall
have no obligation to repair or replace (1) those parts failing due to operator misuse, carelessness, or due to any
accidental cause other than equipment failure, or (2) parts failing due to non-lubrication, inadequate cleaning,
improper operating environment, improper utilities or operator error
Limitation of Liability: 3M and seller shall not be liable for direct, indirect, special, incidental or consequential
damages based upon breach of warranty, breach of contract, negligence, strict liability or any other legal theory
The foregoing Equipment Warranty and Limited Remedy and Limitation of Liability may be changed only by a
written agreement signed by authorized officers of 3M and seller
Scotch and 3M-Matic are trademarks of 3M, St.Paul, Minnesota 55144-1000
S-857 Contents
(1) S-857 "L" Clip Applicator, Type 29500
(1) Instruction and Parts List Manual

3
This safety alert symbol identifies
important messages in this man al.
READ AND UNDERSTAND THEM BEFORE
INSTALLING OR OPERATING THIS
EQUIPMENT.
Important  In the event the following safety
labels are damaged or destroyed, they m st be
replaced to ens re operator safety See
Parts Drawing/Lists, pages 23-39 for label part
numbers
The "Warning  Sharp Knife" label (A), shown in
Fig re 1-1, is attached to the top front surface of the
applicator cabinet This label reminds operators and
service personnel to keep fingers away from the
opening in the front of the applicator when applicator
air supply is on
Important Safeguards
The "Warning  Sharp Knife" label, shown in
Fig re 1-2, is attached to the blade guard on the
tape cut-off assembly inside the S-857 applicator
When access cover is open, this label reminds
operator and service personnel to shut off air supply
and use caution when working near tape cut-off
knife
Fig re 1-2  Knife Warning Label
Fig re 1-1  Knife Warning Label

4
Important Safeguards (Continued)
The "Safety Instr ctions" label, shown in
Fig re 1-3, is attached to the left side of the
applicator next to the air regulator This label
reminds operators and service personnel of the
recommended air pressure that the air regulator
should be adjusted to
The "Tape Threading" label, shown in
Fig re 1-4, is attached to the right side of the S-857
cabinet near the top front edge This label provides
a convenient tape threading diagram More detailed
tape loading and threading information is provided in
the operation section of this manual
Fig re 1-3  Air Press re Label Fig re 1-4  Tape Threading Label

5
Specifications
4. Cycle Time:
1 2 seconds per cycle
The cycle time is sufficient to satisfy the majority
of applications Flow controls (see page 17  Air
Flow Controls) control the application rate and
return stroke rate of the air cylinder While these
flow controls can be adjusted for increased
speed, this practice may result in higher
maintenance costs and shorten machine life
1. Tape Specifications:
Tape  Most "Scotch" brand filament tapes
Tape Width  3/8 inch [9 mm], 1/2 inch [12 mm],
or 5/8 inch [15 mm]
Tape Roll Diameter  Up to 15 inches [380 mm]
maximum on a 3 inch [76 2 mm] diameter core
Applied Tape Length  4 1/2 inches [115 mm]
(nominal) Tape legs are 2 1/4 ±1/8 inches
[55 mm ± 3 2 mm]
2. Air Power Req irements:
55 to 60 PSIG [380 to 415 kPa] gauge pressure
2 16 SCFM [3 65 m3/h 21°C, 101 kPa] at 50
cycles/min
5. Operating Conditions:
Use in dry, relatively clean environments at 40°
to 120°F [5° to 49°C] with clean, dry boxes
Important  Machine should not be washed
down or subjected to conditions causing
moisture condensation on components
6. Machine Dimensions:
Length  31 inches [790 mm] (includes 360
yard [330 m] tape roll)
Height  29 inches [735 mm] (includes 360
yard [330 m] tape roll)
Width  11 inches [280 mm]
Weight  Packaged 83 lb [37 7 kg]
Unpackaged 75 lb [34 kg]
3. Box Size Capacity:
Bottom or Top Taping Position
Height  2 1/4 inches [60 mm] minimum to
unlimited maximum
Width  3 inches [75 mm] minimum to
unlimited maximum
Depth  2 1/4 inches [60 mm] minimum to
unlimited maximum
Note: Operator capability will determine
maximum height, width, and depth
Smaller heights and widths are sometimes
possible and it is recommended that your
3M Representative be contacted for
testing of these applications

6
Installation and Set-Up
Receiving and Handling
After the applicator has been unpacked, examine it
thoroughly for any damage that may have occurred
during transit If damage is evident, file a damage
claim immediately with the transportation company
and also notify your 3M Representative
Machine Set-Up
Read the installation instructions through completely
before performing the set-up procedure Refer to
the back of this manual for literature on "Typical
Mounting Set-Up" for the S-857 Applicator
Mo nting  The S-857 can be set up in either of
three taping positions:
Bottom Taping Position  Shown in Figure 2-l
For application of "L" clip tape seal to the bottom
corner of a box
Top Taping Position  Shown in Figure 2-2 For
application of a tape seal to the top corner of a
box
Side Taping Position  Shown in Figure 2-3 For
application of a tape seal to the end of a box
Three mounting areas have been provided on the
S-857 main frame A mounting bracket (with two
holes) and a single mounting hole on the left side
and two mounting holes located on the front of the
machine It is suggested that the S-857 be mounted
securely at any two of these mounting areas
Note: When mounting the unit, always align the
top surface of the nest parallel with the work
surface When mounting the unit for side taping
align the nest perpendicular to the work surface
It is suggested that a secondary height adjustment
be provided for head adjustments as referred to in
the top taping operation section
Note: The air flow control unit must be
remounted in a vertical position when operating
the S-857 in the top or side taping position All
additional brackets, fittings and air lines are to
be supplied by the customer
Fig re 2-1  Mo nting  Bottom Taping Position

7
Installation and Set-Up (Continued)
Fig re 2-3  Mo nting Side Taping Position  Front View
Fig re 2-2  Mo nting Top Taping Position  Left Side View

8
Installation and Set-Up (Continued)
Air Reg lator-Filter-L bricator  The air control
unit is supplied with two mounting screws Install the
unit on the main plate, left side, in the mounting
holes provided
1 Refer to Figure 2-4 and locate the air control unit
(A) in a vertical position for proper operation
Assemble and secure the two 8-32 x 1/2 lg
screws and flat washers
2 Refer to Figure 2-5 and push the air line (B) onto
the male elbow (C) on the right side of the air
lubricator as shown
3 Unscrew the air lubricator bowl, Figure 2-5, and
fil with oil to 1/2 inch [12 mm] from top of bowl
Do not overfill. Use U S P heavy mineral oil or
SAE #5 or #10 non-detergent oil
Screw bowl snugly back into place
4 Connect main air supply line
Note: The main air supply line and required
fittings are to be supplied by customer.
Turn On/Off valve on S-857 to "Off" position
See Figure 2-4
Connect main air supply line to main air supply
inlet on air regulator See Figure 2-5
Fig re 2-4  Installation  Air Control  Left Side View

9
Installation and Set-Up (Continued)
Fig re 2-5  Air Control Unit  Set-Up
Tape Dr m - Bracket Assembly
The tape drum bracket is supplied with two
#10-24 x 1/2 lg mounting screws Assemble the
bracket to the machine and the tape drum to the
bracket
1 Attach the tape drum bracket (E) to the rear of
the machine with two #10-24 x 1/2 lg soc hd
capscrews as shown in Figure 2-4
2 Assemble the tape drum/backup plate (D) to the
bracket (E) and adjust tape drum/backup plate in
or out to obtain the 1-11/16 inch [43 mm]
clearance between backup plate and bracket as
shown in Figure 2-4 Secure this setting with the
1/2-13 jam nut (F)
Tape Loading and Threading
See "Operation", page 15
5 The lubricator oil metering adjustment knob,
shown in Figure 2-5, has been preset open
two turns If excessive oil becomes visible at
the exhaust mufflers, close adjustment knob
clockwise 1/4 turn or until one drop/60cycles is
visible in the sight glass, shown in Figure 2-5
If lubricator does not use oil, open adjustment
knob counterclockwise 1/4 turn or until one
drop/60 machine cycles is visible

10
Theory of Operation
Fig re 3-1  Pne matic Schematic
This section contains general information about the
S-857, a pneumatic schematic, detailed operational
explanation and a pneumatic components list
General Information
The S-857 is a pneumatically powered machine
containing eleven pneumatic valves and six pneumatic
cylinders These components are all listed at the end
of this section with a brief description of their function
The machine consists of four primary assemblies
listed below
 Knife assembly  cuts the section of tape to be
applied
 Buff assembly  applies the section of tape to the
box corner
 Feed assembly  advances the tape between
applications
 Jaw assembly  retains the free end of the tape
between applications

11
Theory of Operation (Continued)
Operational Explanation
REST POSITION, AIR OFF
When the machine is in rest position with the air off, a
spring-actuated air cylinder extends to hold up the
feed assembly See Figure 3-2 This is necesssary
because the air cylinder is in the fully extended
position Without the spring-actuated air cylinde,r the
weight of the feed assembly could cause the air
cylinder to retract and damage the section of tape
ready for application
REST POSITION, AIR ON
When air is applied to the machine, it is routed
through the On/Off control valve V-1, through line 2,
through safety valve V-9, and into the manifold through
line 28 See Figure 3-1 The manifold then routes the
air to seven locations Four of the routes from the
manifold direct air to valves that are closed when the
machine is in the rest position These "blocked" air
routes are:
 Through line 3 to valve V-2
 Through line 25 to valve V-3
 Through line 24 to valve V-4
 Through line 18 to valve V-6
The remaining three routes direct air to actuate the air
cylinders and prepare the machine for the application
cycle
 Air is directed through line 29 to retract the spring-
loaded safety cylinder that retains the feed
mechanism
 Air is directed through line 27 to the pilot valve
P-1 The air exits the pilot valve and is branched
to retract the buff and cut cylinders The pilot valve
directs air through line 9, the buff cylinder retract
flow control valve, and line 21 to the rod end of the
buff cylinder to retract the cylinder, and through
line 8 to the rod end of the cut cylinder and
retaracts it also
 Air is also directed through line 7 to pilot valve
P-2 The air exits the pilot valve P-2 and is
branched to extend the feed and jaw cylinders Air
travels from the pilot valve through line 14, valve V-
5, and line 26 to the head end of the jaw cylinder
and extends the cylinder Air is also directed
through line 15, valve V-7, line 19, the feed cylinder
extend flow control valve, and line 22 to the head-
end of the feed cylinder and extends the feed
cylinder
Fig re 3-2  Rest Position

12
Theory of Operation (Continued)
APPLICATION CYCLE, CUT/BUFF SEQUENCE
When the machine is in the powered rest position and
a box is placed in the nest area, the box paddle
actuates valve V-2 This allows a pulse of air to flow
from the manifold through valve V-2, line 4, valve
V-8, and line 5 to the PA port of the pilot valve P-1
This shifts the pilot valve P-1 Air is then directed to
the paddle cylinder, which holds the paddle to the
machine housing, which prevents the additional
actuation of paddle valve V-2 before the application
cycle is completed
Air is then directed to the head end of the cut and buff
cylinders and causes both to extend at the same
time At full extension, a section of tape is cut by the
knife assembly and immediately applied to the box by
the buff roller assembly
As the buff assembly reaches full extension, it
actuates valve V-3 This directs a pulse of air to the
PB port of the pilot valve P-1 causing it to shift and
direct air to the rod end of the cut and buff cylinders
This causes the cut and buff cylinders to retract and
return the knife and buff assemblies back to the
achine rest position Shortly before the buff cylinder
fully retracts, it actuates valve V-4 This begins the
feed sequence
Fig re 3-3  C t/B ff Seq ence

13
Theory of Operation (Continued)
APPLICATION CYCLE, FEED SEQUENCE
Valve V-4 directs air to the PA port of the pilot valve P-
2 causing it to shift and direct air to the rod end of the
jaw and feed cylinders Air travels from the pilot valve
P-2 through line 17, the feed cylinder retract flow
valve, and line 23 to the rod end of the feed cylinder
and through line 16 to the rod end of the jaw cylinder
As the cylinders retract, the jaws on the jaw assem-
bly open to receive the tape that the feed assembly is
advancing As the feed assembly advances, the tape
pick up roller pivots upward out of the path of the feed
assembly At the end of its stroke, the feed assem-
bly actuates valve V-6 which directs a pulse of air to
the PB port of the pilot valve P-2 This causes valve
P-2 to shift and direct air through line 14, valve V-5,
and line 26 to the head end of the jaw cylinder The
jaw cylinder extends and the tape holding haws close
to retain the free end of the tape advanced by the feed
assembly
When the jaw cylinder is completely extended, the
jaws close and retain the free end of the tape and
valve V-7 is actuated Valve V-7 directs air to the
head end of the free cylinder This causes the feed
mechanism to move back to the machine rest
position The machine is now ready for the next
cycle
Fig re 3-4  Feed Seq ence

14
Theory of Operation (Continued)
Components
Refer to Figure 3-1 for component locations
VALVES
V-1: The on/off control valve, actuated by the knob on
the top of the machine
V-2 Paddle Valve: A box placed in the paddle area
actuates V-2, which directs a pulse of air from the
manifold, through valve V-8, to the PA port of pilot
valve P-1 This shifts valve P-1 and activates the buff
and cut cylinders beginning the application cycle
V-3: This valve is actuated by an actuator on the buff
cylinder slide assembly and directs air to the PB inlet
of valve P-1, thus causing it to shift and retract the
buff and cut cylinders
V-4: This valve is actuated by an actuator on the buff
cylinder slide assembly and routes air to the PA port
of the pilot valve P-2 This causes valve P-2 to shift
and direct power to the feed and jaw cylinders to
begin the feed sequence
V-5: Actuated by the buff cylinder slide assembly at
the end of the retract stroke, V-5 directs air from the
pilot valve V-2 to the jaw cylinder
V-6: Actuated by the feed cylinder slide assembly at
the end of the retract stroke, V-6 shifts the pilot valve
P-2 and causes extension of the jaw cylinder This
causes the tape holding jaws to close on the free end
of the tape
V-7: Valve V-7 is actuated by the actuator mounted
on the jaw cylinder rod When the jaw cylinder fully
extends, valve V-7 actuates and directs air to the
head-end of the feed cylinder, causing the feed
cylinder retract This completes the feed cycle
V-8: Actuated by the full extension of the feed
cylinder assembly, valve V-8 provides a path for air
from paddle valve V-2 to pilot valve P-1 This sets up
the machine for the application cycle
V-9: Safety Valve: V-9 removes power (air) to the
ma chine when the cover is opened
P-1 Pilot Valve: P-1 controls the buff/cut sequence
P-2 Pilot Valve: P-2 controls the feed sequence
CYLINDERS
Safety Cylinder: A spring loaded cylinder that
retains the feed assembly when the machine is in the
rest position-power off
Paddle Cylinder: A cylinder which is actuated at
the beginning of the application cycle It holds the
box paddle beyond the actuation point of paddle valve
V-2, to prevent additional actuation of the paddle valve
before the application cycle ends
B ff Cylinder: The buff cylinder controls the buff
roller assembly the "L" clip of tape to the box corner
C t Cylinder: The cut cylinder controls the knife
assembly that cuts the section of tape applied by the
buff roller assembly
Feed Cylinder: The feed cylinder controls the feed
assembly that advances the tape and insertts it into
the holding jaws immediately following the buff/cut
sequence
Jaw Cylinder: The jaw cylinder controls the holding
jaws that retain the end of the tape between
applications

15
Tape Loading and Threading  The tape drum assembly is set up for dispensing 3/8 inch [9 mm] or 1/2 inch
[12 mm] wide tape For dispensing other tape widths refer to "Adjustments  Tape Width", page 17 A tape
threading diagram is located outside the applicator on the top of the nest for quick reference
WARNING  T rn "Off" main air s pply at on/off valve before threading tape. Fail re to t rn
air s pply "Off" co ld res lt in severe personal inj ry or eq ipment damage.
For easy access to tape loading and threading, open
the cover located on the right side of the S-857
Release the cover latch, shown in Figure 2-1, pull
outward on the upper part of the latch, unhook the
latch and pivot open the cover
Operation
Refer to Figure 4-1 and thread the tape as follows:
1 Place the tape roll on the tape drum so the tape
is dispensed downward, adhesive side forward
The tape roll must be fully against the drum
flange
2 Pull approximately 12 inches [300 mm] of tape
from the roll and thread the tape under the
tension roller, adhesive side up
Fig re 4-1  Tape Loading and Threading  Right Side View

16
Operation (Continued)
3 Bring the tape up over the take-up roller,
adhesive side up
WARNING  Use care when working
near knife blade as blade is
extremely sharp. If care is not taken,
severe inj ry to personnel co ld res lt.
7 Turn on the main air supply at the on/off valve
8 To clear the tape which has been tacked to the
nest, manually holding the paddle stop down
and push the box paddle in to cycle the unit
The applicator is ready to operate
WARNING  Be caref l not to p t
fingers in area of c t o t opening in
nest. Severe inj ry to personnel co ld
res lt.
4 Thread the tape over the top wrap roller, around
the one way roller assembly, over the wrap
roller, adhesive side toward the nest, begin tape
down behind the tape holding roller and also the
tape pick-up roll
Note: To simplify the tape threading at the
next reloading, replace with a new roll of
"Scotch" brand filament tape, and splice the
tape web together at the tension roller
5 Pull out enough tape to tack it to the top of the
nest as shown
6 Close the cover and secure the latch
Note: Remove all work tools, etc from inside
S-857 case before closing cover
Operating Seq ence
1 Move the box forward over the paddle stops,
depressing the box paddle and hold it firmly and
squarely against the nest vertical surface to
apply the tape
2 The application only takes 1/4 second to apply
the tape, then the box can be removed from the
nest while the machine continues to complete
the cycle

17
Adjustments
WARNING  T rn "Off" main air s pply
at on/off valve and disconnect air
s pply line before making any adj stments.
Fail re to disconnect air s pply line co ld
res lt in severe personal inj ry.
Tape Width
The tape drum is assembled at the factory for 3/8
inch [9 mm] or 1/2 inch [12 mm] wide tapes For
5/8 inch [15 mm] tapes the retainers must be moved
to the secondary position on the tape drum This is
done by removing the two screws and relocating the
retainer, shown in Figure 2-4, then replacing and
securing the screws
Tape Web Alignment
The tape drum assembly controls tape web
alignment in the applicator Adjust the tape drum
assembly so the tape web is dispensed, centered on
the buffing rollers
Tape Dr m Tension
The tape drum assembly provides a preset tape roll
tension to control over-travel The tape drum
tension requires no further adjustment
Tape Tension Roller
The tension roller assembly, shown in Figure 4-1,
provides a preset tension to the tape web No
further adjustment is required If the tension roller
assembly is replaced or comes out of adjustment,
make adjustment as follows to obtain tension to the
tape web: turn the lock nut, located behind the
tension roller assembly, counterclockwise to
increase tension, clockwise to decrease tension
V-8 Valve Adj stment
There are two lines scribed on the actuator button of
the valve Correct adjustment of valve places the
middle of these two lines at the edge of the actuator
button housing when feed assembly is at top of
travel (see Figure 5-1) Loosen valve adjustment
screws (2), slide valve up or down to obtain this
adjustment and tighten screws Be sure feed
assembly is held at top of travel when making valve
adjustment
Air Flow Controls
The flow controls for the tape feed air cylinder and
tape buff air cylinder are preset at the factory The
controls are located on the top right hand corner of
the S-857 Should adjustment be necessary, turn
knob counterclockwise to increase cylinder speed
and clockwise to decrease cylinder speed Factory
adjustment was set as shown in Figure 5-2 The
flow control, mounted on the jaw cylinder to control
speed, has been pre-set three turns open at the
factory
Fig re 5-1  V-8 Valve Adj stment Fig re 5-2  Air Flow Controls  Top View