3M AC-900 Manuale utente
3M AEROSPACE & COMMERCIAL TRANSPORTATION DIVISION
St. Paul, MN 55144-1000 USA
www.3M.com/aerospace or 1-800-364-3577 or 1-800-235-2376
Made in USA with US and GloballySourced Materials
3M 2015. All rights reserved.
3M is a trademark of 3M Company.
AC-900 Manual page 1
[REV:B] 03/17/2015
IMPORTANT SAFETY INSTRUCTIONS
WARNING – When using electrical appliances or equipment, basic precautions should
always be followed, including the following:
a.) Read all instructions before using
b.) To reduce the risk of injury, do not use near children
c.) Do not contact moving parts.
d.) Only use attachments and/or parts recommended or sold by the manufacturer.
e.) Do not use outdoors.
f.) To disconnect, turn all controls to the off (“O”) position, including turning timer to zero,
then remove plug from outlet.
g.) Do not unplug by pulling on cord. To unplug, grasp the plug, not the cord.
h.) Unplug from outlet when not in use and before servicing or cleaning.
i.) Do not operate with a damaged cord or plug, or if equipment malfunctions or is dropped
or damaged in any manner. Contact the manufacturer for examination, repair, or
electrical and/or mechanical adjustment.
j.) Turn the power switch to the off position (“O”) when the equipment is not in use and
before servicing or cleaning.
k.) To reduce the risk of electrical shock, do not put equipment in water or other liquid. Do
not place or store equipment where it can fall or be pulled into any type of liquid.
l.) Connect to a properly grounded outlet only. See grounding instructions. Contact a
qualified electrician if necessary.
SAVE THESE INSTRUCTIONS
Model AC-900 Automatic Mixer
AC-900 Manual page 2
[REV:B] 03/17/2015
GROUNDING INSTRUCTIONS
WARNING
This equipment must be grounded. In the event of malfunction or breakdown, grounding
provides a path of least resistance for electrical current to reduce the risk of electric shock. This
appliance is equipped with a cord having an equipment-grounding conductor and a grounding
plug. The plug must be plugged into an appropriate outlet that is properly installed and
grounded in accordance with all local codes and ordinances.
DANGER -Improper connection of the equipment-grounding connector can result in a risk
of electric shock. The conductor with insulation having an outer surface that is green with or
without yellow stripes is the equipment-grounding conductor. If repair or replacement of the
cord or plug is necessary, do not connect the equipment-grounding connector to a live terminal.
Check with a qualified electrician or serviceman if the grounding instructions are not completely
understood, or if in doubt as to whether the equipment is properly grounded. Do not modify the
plug provided with the equipment – if it will not fit the outlet, have the proper outlet installed by
a qualified electrician.
This equipment is for use on a nominal 120V circuit, and has a grounding plug that looks like the
plug illustrated in sketch A. A temporary adaptor, which looks like the adaptor illustrated in
sketches B and C, may be used to connect this plug to a 2-pole receptacle as shown in sketch B if
a properly grounded outlet is not available. The temporary adaptor should be used only until a
properly grounded outlet can be installed by a qualified electrician. The green colored rigid ear,
lug, and the like, extending from the adaptor must be connected to a permanent ground such as a
properly grounded outlet box cover. Whenever the adapter is used, it must be held in place by
the metal screw.
SAVE THESE INSTRUCTIONS
Model AC-900 Automatic Mixer
AC-900 Manual page 3
[REV:B] 03/17/2015
OPERATING INSTRUCTIONS
WARNING – Read, understand, and adhere to all instructions and
warnings completely and carefully before using equipment. If anything is not
absolutely clear, contact the manufacturer for clarity before using the
equipment to reduce the risk of injury.
CAUTION – Always wear safety goggles and gloves and if necessary,
respiratory protection (see Safety Data Sheet) when operating or cleaning
equipment – particularly when material is involved. Contact your material
manufacturer for specifics.
WARNING – To reduce the risk of electric shock, unplug before cleaning
and/or servicing.
AVERTISSEMENT: – Pour réduire le risqué de choc électrique,
débranchez avant le nettoyage ou l’entretien
Replace fuse with Fast Acting 250V, 5A fuse only
Remplacer avec Fast 250V interim, 5A fusible seulement
Description
The Model AC-900 Automatic Mixer is designed to perform the complete mixing operation of
cartridge packaged materials.
Stroking of the dasher rod is accomplished by means of a reversing air cylinder and the rotation of the
dasher rod is accomplished by a quiet, high quality, induction gear motor, therefore the service
requirement for this unit are compressed air (60psi, 1.5 C.F.M.) and 115V, 60 Hz, 1 Phase, 5 Amps.
The rotation speed of the motor is constant depending on load, but the stroking length and speed of the
air cylinder can be varied by adjustments.
The most effective stroking speed for most materials is between 16 and 22 strokes per minute. The
stroke speed on the Model AC-900 Automatic Mixer has been pre-set at mid-point for the six fluid
ounce cartridges, so the speed will be a few strokes per minute slower for the eight fluid ounce
cartridges and a few strokes per minute faster for the two and one-half fluid ounce cartridges.
Model AC-900 Automatic Mixer
AC-900 Manual page 4
[REV:B] 03/17/2015
The instruction plate attached to the left-hand side of the box lists the cartridge size/dasher rod
size, the proper spindle number and upper stroke adjustment rod to use, and the correct setting in
inches for the down stroke adjustment rod. This is a guide for full kits only. Most likely, the
sealant you will be mixing is not a full kit. Select kit to be mixed and prepare for mixing as
stated in the instructions on side of the box OR follow instructions below for a non-full kit /
short package.
Determine if cartridge is “fully packaged” or is a short package and make appropriate down
stroke adjustment as shown on instructions on side of box. A cartridge is “fully packaged”
when material in dasher rod has been injected or barrier has erupted, and the rim of plunger is
3/16” from end of cartridge while dasher rod is pushed all the way to touch plunger. If cartridge
is not fully packaged, shorten down stroke by the difference in inches of the location of the
plunger between a fully packaged cartridge and the actual location of the plunger. OR you can
perform the following under “Full Instructions”:
WARNING - Do not operate this device in explosive atmospheres, such as in the presence of
flammable liquids, gases or dust.
WARNING - If materials spill, disconnect power and follow Safety Data Sheet (SDS) for spill clean-
up procedure.
WARNING – Dispose of mixer in accordance with all applicable regulations.
Quick Instructions: If you are not familiar with the mixer, please proceed to “Full Instructions”
1. Ensure the “OFF / MIX” switch on the top of the mixer is in the “OFF” position
2. Remove air cylinder cap assembly from carriage plate and insert cartridge, rod end first,
through mounting hole in carriage plate.
3. Pull dasher rod down onto pins of the drive spindle.
4. Grasp cartridge and pull down until it is fully seated in carriage plate; then install and lock air
cylinder / cap assembly by twisting pins (by hand only!) into carriage plate “ears”.
5. Turn timer knob to desired number of minutes for mixing. (If mix period is less than two
minutes, timer must be turned past two minutes then returned to the desired time); keeping
fingers and all extremities clear, flip switch on top of machine to “MIX” position which will
begin the cycle of machine and mixing of material in cartridge.
6. When timer has completed its cycle, both air and electric power will be shut off and cartridge
may be removed.
Model AC-900 Automatic Mixer
AC-900 Manual page 5
[REV:B] 03/17/2015
7. Remove cartridge by first putting “OFF / MIX” switch in “OFF” position.
8. Unlock (twist) and remove air cylinder/cap assembly.
9. Remove dasher rod from drive spindle and then lift cartridge through carriage plate for use as
required.
CAUTION: Keep clear of all possible moving parts – ie. Carriage plate cycling and spindle
turning.
CAUTION: Disconnect air supply and/or electrical power when equipment is not in use, and
before servicing.
Model AC-900 Automatic Mixer
AC-900 Manual page 6
[REV:B] 03/17/2015
Full Instructions
1. Identify which kind of packaged material you desire to mix. Is it barrier or injection style?
2. Then, determine the size cartridge and rod you are desiring to mix, and use the appropriate
spindle and upper adjusting rod.
Model AC-900 Automatic Mixer
AC-900 Manual page 7
[REV:B] 03/17/2015
3. The upper rods are located on the back of the mixer in the rack and are numbered to make
identifying the correct upper rod easier.
Model AC-900 Automatic Mixer
AC-900 Manual page 8
[REV:B] 03/17/2015
4. Ensure the Model AC-900 Automatic Mixer is switched to “OFF” position on switch. This will
make certain the machine does not cycle.
5. Ensure timer is set to “0”, or no time. This will make certain the machine does not cycle.
6. Plug mixer into proper electrical outlet – 110V for standard mixer.
Model AC-900 Automatic Mixer
AC-900 Manual page 9
[REV:B] 03/17/2015
7. Plug mixer hose fitting (Hansen) into your regulated shop air supply.
We recommend setting the shop air regulator between 60-90 psi:
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