Multiquip PRO12E53 User Manual
OPERATION MANUAL
SERIES
MODEL PRO12/
PRO12E51/PRO12E53
HYDRAULIC PLASTER/MORTAR MIXER
(HONDA GX390RT2-QNB2 GASOLINE ENGINE
TECO WESTINGHOUSE 5HP ELECTRIC MOTOR)
Revision #1 (06/04/14)
To find the latest revision of this
publication, visit our website at:
www.multiquip.com
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
PROPOSITION 65 WARNING
Engine exhaust and some of
its constituents, and some dust created
by power sanding, sawing, grinding,
drillingandotherconstructionactivities
contains chemicals known to the State
of California to cause cancer, birth
defects and other reproductive harm.
Some examples of these chemicals are:
Leadfromlead-basedpaints.
Crystallinesilicafrombricks.
Cementandothermasonryproducts.
Arsenicandchromiumfromchemically
treatedlumber.
Your risk from these exposures varies,
dependingonhowoftenyoudo this type
of work. To reduce your exposure to
these chemicals: work in aALWAYS
well ventilated area, and work with
approved safety equipment, suchas
dust masks that are specially designed
to filter out microscopic particles.
PAGE 2 — PRO12 HYDRAULIC MIXER • OPERATION MANUAL — REV. #1 (06/04/14)
SILICOSIS/RESPIRATORY WARNINGS
WARNING
SILICOSIS WARNING RESPIRATORY HAZARDS
Grinding/cutting/drilling of masonry, concrete, metal and
other materials with silica in their composition may give
off dust or mists containing crystalline silica. Silica is a
basic component of sand, quartz, brick clay, granite and
numerous other minerals and rocks. Repeated and/or
substantial inhalation of airborne crystalline silica can
cause serious or fatal respiratory diseases, including
silicosis.In addition, California and some other
authorities have listed respirable crystalline silica as a
substance known to cause cancer. When cutting such
materials, always follow the respiratory precautions
mentioned above.
WARNING
Grinding/cutting/drilling of masonry, concrete, metal and
other materials can generate dust, mists and fumes
containing chemicals known to cause serious or fatal
injury or illness, such as respiratory disease, cancer,
birth defects or other reproductive harm. If you are
unfamiliar with the risks associated with the particular
process and/or material being cut or the composition of
the tool being used, review the material safety data
sheet and/or consult your employer, the material
manufacturer/supplier, governmental agencies such as
OSHA and NIOSH and other sources on hazardous
materials. California and some other authorities, for
instance, have published lists of substances known to
cause cancer, reproductive toxicity,or other harmful
effects.
Control dust, mist and fumes at the source where
possible. In this regard use good work practices and
follow the recommendations of the manufacturers or
suppliers, OSHA/NIOSH, and occupational and trade
associations.Water should be used for dust
suppression when wet cutting is feasible. When the
hazards from inhalation of dust, mists and fumes cannot
be eliminated, the operator and any bystanders should
always wear a respirator approved by NIOSH/MSHA for
the materials being used.
PRO12 HYDRAULIC MIXER • OPERATION MANUAL — REV. #1 (06/04/14) — PAGE 3
TABLE OF CONTENTS
PRO12 Hydraulic Mixer
Proposition 65 Warning ........................................... 2
Silicosis/Respiratory Warnings ................................ 3
Table Of Contents .................................................... 4
Safety Information ................................................ 5-9
Specifications ........................................................ 11
Dimensions ............................................................ 12
General Information ............................................... 13
Mixer Components ........................................... 14-15
Hydraulic Components ..................................... 16-17
Basic Engine .......................................................... 18
Electric Motor Components ................................... 19
Paddle Blade Adjustment ...................................... 20
Inspection ......................................................... 21-22
Startup (Gasoline Engine) ................................ 23-24
Startup (Electric Motor) ......................................... 25
Operation ............................................................... 26
Maintenance ..................................................... 27-29
Troubleshooting (Engine) .................................. 30-31
Troubleshooting (Electric Motor) ............................ 32
Hydraulic System Locator ...................................... 34
Hydraulic System Diagram .................................... 35
Electric Motor (Single Phase) Wiring Diagram ...... 36
Electric Motor (Three-Phase) Wiring Diagram ....... 37
NOTICE
Specifications are subject to change without notice.
PAGE 4 — PRO12 HYDRAULIC MIXER • OPERATION MANUAL — REV. #1 (06/04/14)
SAFETY INFORMATION
Do not operate or service the equipment before reading
the entire manual. Safety precautions should be followed
at all times when operating this equipment.
Failure to read and understand the safety
messages and operating instructions could
result in injury to yourself and others.
SAFETY MESSAGES
The four safety messages shown below will inform you
about potential hazards that could injure you or others. The
safety messages specifi cally address the level of exposure
to the operator and are preceded by one of four words:
DANGER, WARNING, CAUTION
SAFETY SYMBOLS
Potential hazards associated with the operation of this
equipment will be referenced with hazard symbols which
may appear throughout this manual in conjunction with
safety messages.
DANGER
Indicates a hazardous situation which, if not avoided,
WILL result in DEATH or SERIOUS INJURY.
WARNING
Indicates a hazardous situation which, if not avoided,
COULD result in DEATH or SERIOUS INJURY.
CAUTION
Indicates a hazardous situation which, if not avoided,
COULD result in MINOR or MODERATE INJURY.
or NOTICE.
Symbol Safety Hazard
Lethal exhaust gas hazards
Explosive fuel hazards
Burn hazards
Rotating parts hazards
NOTICE
Addresses practices not related to personal injury.
PRO12 HYDRAULIC MIXER • OPERATION MANUAL — REV. #1 (06/04/14) — PAGE 5
GENERAL SAFETY
NOTICE
This equipment should only be operated by trained and
Whenever necessary, replace nameplate, operation and
Manufacturer does not assume responsibility for any
accident due to equipment modifi cations. Unauthorized
use accessories or attachments that are not
recommended by Multiquip for this equipment. Damage
keep
Also, know the phone numbers
fi re department.
This information will be invaluable in the case of an
SAFETY INFORMATION
CAUTION
NEVER operate this equipment without proper protective
clothing, shatterproof glasses, respiratory protection,
hearing protection, steel-toed boots and other protective
devices required by the job or city and state regulations.
Avoid wearing jewelry or loose fi tting clothes that may
snag on the controls or moving parts as this can cause
serious injury.
NEVER operate this equipment when not
feeling well due to fatigue, illness or when
under medication.
NEVER operate this equipment under the
infl uence of drugs or alcohol.
ALWAYS clear the work area of any debris, tools, etc.
that would constitute a hazard while the equipment is
in operation.
ALWAYS check the equipment for loosened threads or
bolts before starting.
DO NOT use the equipment for any purpose other than
its intended purposes or applications.
qualifi ed personnel 18 years of age and older.
safety decals when they become diffi cult read.
equipment modifi cation will void all warranties.
NEVER
to the equipment and/or injury to user may result.
ALWAYS know the location of the nearest
fi re extinguisher.
ALWAYS know the location of the nearest
fi rst aid kit.
ALWAYS know the location of the nearest phone or
a phone on the job site.
of the nearest ambulance, doctor and
emergency.
PAGE 6 — PRO12 HYDRAULIC MIXER • OPERATION MANUAL — REV. #1 (06/04/14)
SAFETY INFORMATION
MIXER SAFETY
ENGINE SAFETY (GASOLINE MODELS ONLY)
Engine fuel exhaust gases contain poisonous carbon
monoxide. This gas is colorless and odorless, and can
The engine of this equipment requires an adequate
operate this equipment
place hands or fingers inside engine
operate the engine with heat shields or
while the engine is hot. Hot oil will gush out of the oil
tank and severely scald any persons in the general area
Make certain the operator knows how to and is capable
run engine without an air fi lter or with a dirty air
fi lter. Severe engine damage may occur. Service air fi lter
NEVER operate the equipment in an explosive
atmosphere or near combustible materials. An
explosion or fi re could result causing severe
bodily harm or even death.
DO NOT mix fl ammable or explosive substances.
NEVER place your hands inside the drum
while starting or operating this equipment.
NEVER disconnect any emergency
or safety devices. These devices are
intended for operator safety. Disconnection of these
devices can cause severe injury, bodily harm or even
death. Disconnection of any of these devices will void
all warranties.
Before operating mixer, ensure that safety grate is in
position and correctly fi tted.
NEVER lubricate components or attempt service on a
running machine.
NOTICE
DANGER
WARNING
CAUTION
DANGER
cause death if inhaled.
free fl ow of cooling air. NEVER
in any enclosed or narrow
area where free fl ow of the
air is restricted. If the air
fl ow is restricted it will cause
injury to people and property
and serious damage to the
equipment or engine.
WARNING
DO NOT
compartment when engine is running.
NEVER
guards removed.
Keep fi ngers, hands hair and clothing away
from all moving parts to prevent injury.
DO NOT remove the engine oil drain plug
ALWAYS keep the machine in proper running condition.
ALWAYS ensure mixer is on level ground before mixing.
Fix damage to machine and replace any broken parts
immediately.
DO NOT tip mixer onto drum mouth when the drum is
rotating.
Ensure the drum is rotating while fi lling and emptying
the drum.
ALWAYS store equipment properly when it is not being
used. Equipment should be stored in a clean, dry location
out of the reach of children and unauthorized personnel.
ALWAYS deploy stabilizer jack stands prior to use.
PRO12 HYDRAULIC MIXER • OPERATION MANUAL — REV. #1 (06/04/14) — PAGE 7
of the mixer.
CAUTION
NEVER touch the hot exhaust manifold,
muffl er or cylinder. Allow these parts to cool
before servicing equipment.
of turning the engine OFF in case of an emergency.
NOTICE
NEVER
frequently to prevent engine malfunction.
NEVER tamper with the factory settings
of the engine or engine governor. Damage
to the engine or equipment can result
if operating in speed ranges above the
maximum allowable.
SAFETY INFORMATION
FUEL SAFETY (GASOLINE MODELS ONLY)
GENERATOR SAFETY
ELECTRIC MOTOR SAFETY (ELECTRIC MODELS
Operate electric motor only at the specifi ed voltage
disconnect AC power plug from power source
cables or cords when
connecting equipment to generator. Inspect for cuts in
Make sure power cables are securely connected.
Incorrect connections may cause electrical shock and
Ensure that cables and cords will not be tripped over or
make certain that proper power or extension
DANGER
DO NOT add fuel to equipment if it is placed inside truck
bed with plastic liner. Possibility exists of explosion or
fi re due to static electricity.
FUEL
FUEL
DO NOT start the engine near spilled fuel or combustible
fl uids. Fuel is extremely fl ammable and its vapors can
cause an explosion if ignited.
If using a generator to power mixer, refer
to applicable generator manual safety
information section.
ONLY)
NOTICE
indicated on the nameplate.
DO NOT spray water onto electric motor.
ALWAYS
before moving mixer.
ALWAYS make sure the ON/OFF switch
on the electric motor is in the OFF position
when not in use and before inserting the
mixer’s power plug into an AC receptacle.
Power Cord/Cable Safety
DANGER
ALWAYS refuel in a well-ventilated area, away from
sparks and open fl ames.
ALWAYS use extreme caution when working with
fl ammable liquids.
DO NOT fi ll the fuel tank while the engine is running
or hot.
DO NOT overfi ll tank, since spilled fuel could ignite if it
comes into contact with hot engine parts or sparks from
the ignition system.
Store fuel in appropriate containers, in well-ventilated
areas and away from sparks and fl ames.
NEVER use fuel as a cleaning agent.
DO NOT smoke around or near the
equipment. Fire or explosion could result
from fuel vapors or if fuel is spilled on a
hot engine.
NEVER let power cords or cables lay in water.
NEVER use damaged or worn
the insulation.
NEVER grab or touch a live power
cord or cable with wet hands. The
electrocution or death.
possibility exists of electrical shock,
damage to the mixer.
CAUTION
trapped underneath the mixer.
NOTICE
ALWAYS
cord has been selected for the job.
PAGE 8 — PRO12 HYDRAULIC MIXER • OPERATION MANUAL — REV. #1 (06/04/14)
TRANSPORTING SAFETY
CAUTION
ENVIRONMENTAL SAFETY/
Decommissioning is a controlled process used to safely
retire a piece of equipment that is no longer serviceable.
If the equipment poses an unacceptable and unrepairable
safety risk due to wear or damage or is no longer cost
effective to maintain (beyond life-cycle reliability) and is to
be decommissioned (demolition and dismantlement),be
sure to follow rules below.
When the life cycle of this equipment is over, remove
battery if equipped and bring to appropriate facility for
lead reclamation. Use safety precautions when handling
When the life cycle of this equipment is over, it is
recommended that the mixer frame and all other metal
Metal recycling involves the collection of metal from
discarded products and its transformation into raw
Recyclers and manufacturers alike promote the process
of recycling metal. Using a metal recycling center
The gasoline engine used in this equipment has been
designed to reduce harmful levels of carbon monoxide
(CO), hydrocarbons (HC) and nitrogen oxides (NOx)
This engine has been certifi ed to meet US EPA Evaporative
Attempting to modify or make adjustments to the engine
emmission system by unauthorized personnel without
proper training could damage the equipment or create an
Additionally, modifying the fuel system may adversely affect
evaporative emissions, resulting in fi nes or other penalties.
The emission control label is an integral part of the emission
If a replacement emission label is needed, please contact
NEVER allow any person or animal to stand underneath
the equipment while lifting.
NOTICE
ALWAYS make sure forklift forks are inserted into pockets
(if applicable) as far as possible when lifting the mixer.
ALWAYS shutdown engine before transporting.
NEVER lift the equipment while the engine is running.
Tighten fuel tank cap securely and close fuel cock to
prevent fuel from spilling.
DO NOT lift machine to unnecessary heights.
ALWAYS tie down equipment during transport by
securing the equipment with rope.
SAFETY INFORMATION
batteries that contain sulfuric acid.
parts be sent to a recycling center.
materials to use in manufacturing a new product.
promotes energy cost savings.
EMISSIONS INFORMATION
NOTICE
NEVER tip the engine to extreme angles during lifting as
it may cause oil to gravitate into the cylinder head, making
the engine start diffi cult.
DECOMMISSIONING
NOTICE
DO NOT pour waste or oil directly onto the ground, down
a drain or into any water source.
Contact your country's Department of
Public Works or recycling agency in your
area and arrange for proper disposal of
any electrical components, waste or oil
associated with this equipment.
contained in gasoline exhaust emissions.
emissions requirements in the installed confi guration.
unsafe condition.
Emission Control Label
system and is strictly controlled by regulation(s).
The label must remain with the engine for its entire life.
your authorized engine distributor.
PRO12 HYDRAULIC MIXER • OPERATION MANUAL — REV. #1 (06/04/14) — PAGE 9
NOTES
PAGE 10 — PRO12 HYDRAULIC MIXER • OPERATION MANUAL — REV. #1 (06/04/14)
SPECIFICATIONS
Table 1. Mixer Specifications
Capacity 12.0 cu. ft (340 liters)
Bag Capacity 3 to 4 bags
Operating Weight 1580 lbs. (716.68 kg.)
Maximum Aggregate Size 1 in. (25.4 mm)
Adjustable Drum Discharge Height Up to 42.5 in. (1079.5 mm.)
Drive System Hydraulic
Dump Action Hydraulic
Table 2. Engine Specifications
Model Honda GX390RT2-QNB2
Type Air-cooled 4 stroke, Horizontal Shaft, Gasoline Engine
Bore X Stroke
Displacement 23.7 cu. in. (389 cc)
Max Output 11.7 H.P./3600 R.P.M.
Continuous Output 9.0H.P./3600 R.P.M.
Fuel Tank Capacity Approx. 1.7 U.S. Gallons (6.5 Liters)
Fuel Unleaded Gasoline
Lube Oil Capacity 1.16 qt. (1.1 liter)
Speed Control Method Centrifugal Fly-weight Type
Starting Method Electric Start
Table 3. Electric Motor Specifications
Model
Enclosure TEFC TEFC
Horsepower 5 5
Input Voltage (VAC) 230 230/460
Phase 1 3
Teco Westinghouse Model 3415 Teco Westinghouse Model 3481
3.46 in. X 2.51 in.
(88 mm x 64 mm)
Frequency (Hz) 60 60
Max Output@RPM 5 HP@1745 5 HP@1725
Full Load Amps 30 12.24/6.12
Weight 103 lbs (46.7 kg) 103 lbs (46.7 kg)
Dimensions (LxWxH)
PRO12 HYDRAULIC MIXER • OPERATION MANUAL — REV. #1 (06/04/14) — PAGE 11
18.03 x 8.8 x 10.5 in
(458 x 223.5 x 266.7 mm)
15.79 x 8.8 x 10.5 in
(401 x 223.5 x 266.7 mm)
DIMENSIONS
C
A B
Figure 1. Mixer Dimensions
Table 4. Mixer Dimensions
Reference Designator Dimension in. (mm.)
A (Length) 73.5 (1917.7)
B (Width) 35.0 (889)
C (Height) 45.0 (1143)
PAGE 12 — PRO12 HYDRAULIC MIXER • OPERATION MANUAL — REV. #1 (06/04/14)
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