MULTIQUIP MC12PH Guida

OPERATION AND PARTS MANUAL

THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.

MODEL MC12PH

CONCRETE MIXER

(HONDA GX340UT2QA2/GX340UT2QAP2

GASOLINE ENGINES)

Revision #1 (09/02/15)

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PAGE 2 — MC12PH CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #1 (09/02/15)

its constituents, and some dust created

of California to cause cancer, birth

defects and other reproductive harm.

by power sanding, sawing, grinding,

drillingandotherconstructionactivities

contains chemicals known to the State

Some examples of these chemicals are:

Leadfromlead-basedpaints.

Crystallinesilicafrombricks.

Cementandothermasonryproducts.

Arsenicandchromiumfromchemically

treatedlumber.

Your risk from these exposures varies,

dependingonhowoftenyoudothistype

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.

Gasoline engine exhaust and some of

FUEL AND CHEMICAL EXPOSURE WARNINGS

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MC12PH CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #1 (09/02/15) — PAGE 3

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.Inaddition, 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.

WARNING

SILICOSIS WARNING RESPIRATORY HAZARDS

SILICOSIS/RESPIRATORY WARNINGS

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PAGE 4 — MC12PH CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #1 (09/02/15)

TABLE OF CONTENTS

MC12PH CONCRETE

MIXER

Fuel And Chemical Exposure Warnings.................. 2

Silicosis/Respiratory Warnings ................................ 3

Table Of Contents.................................................... 4

Training Checklist .................................................... 5

Safety Information .............................................. 6-11

Speciﬁcations/Dimensions..................................... 12

Engine Speciﬁcations ............................................ 13

General Information............................................... 14

Basic Components ................................................ 15

Engine Components.............................................. 16

Towing Guidelines ................................................. 17

Safety Chain Connection....................................... 18

Inspection ......................................................... 19-20

Start-Up ................................................................. 21

Start-Up/Operation ................................................ 22

Operation............................................................... 23

Maintenance (Engine) ...................................... 24-29

Troubleshooting ................................................ 30-31

Explanation Of Code In Remarks Column............. 32

Suggested Spare Parts ......................................... 33

Component Drawings

Nameplate And Decals Assembly .................... 34-35

Drum Assembly ................................................ 36-37

Frame Assembly............................................... 38-39

Axle Assembly .................................................. 40-41

Cabinet Assembly............................................. 42-43

Mounting Plate Assembly................................. 44-45

Honda GX340UT2QA2/QAP2

Gasoline Engines

Recoil Starter Assembly ................................... 46-47

Fan Cover Assembly......................................... 48-49

Carburetor Assembly........................................ 50-51

Air Cleaner Assembly....................................... 52-53

Mufﬂer Assembly .............................................. 54-55

Fuel Tank Assembly.......................................... 56-57

Flywheel Assembly........................................... 58-59

Cylinder Head Assembly................................... 60-61

Ignition Coil Assembly ...................................... 62-63

Control Assembly ............................................. 64-65

Cylinder Barrel Assembly.................................. 66-67

Crankcase Cover Assembly ............................. 68-69

Crankshaft Assembly........................................ 70-71

Piston Assembly ............................................... 72-73

Camshaft Assembly.......................................... 74-75

Label Assembly ................................................ 76-77

Terms And Conditions Of Sale — Parts ................ 78

NOTICE

Speciﬁcations and part numbers are subject to change

without notice.

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MC12PH CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #1 (09/02/15) — PAGE 5

TRAINING CHECKLIST

Training Checklist

No, Description OK? Date

1Read operation manual

completely.

Machine layout, location of

components, checking of engine

oil levels.

3 Fuel system, refueling procedure.

4Operation of controls (machine

not running).

5Safety controls, safety stop switch

operation.

6 Emergency stop procedures.

7 Machine transport and storage.

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PAGE 6 — MC12PH CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #1 (09/02/15)

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 speciﬁcally address the level of exposure

to the operator and are preceded by one of four words:

DANGER, WARNING, CAUTION

or NOTICE.

SAFETY SYMBOLS

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.

NOTICE

Addresses practices not related to personal injury.

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.

Lethal exhaust gas hazards

Explosive fuel hazards

Burn hazards

Rotating parts hazards

Symbol Safety Hazard

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MC12PH CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #1 (09/02/15) — PAGE 7

SAFETY INFORMATION

GENERAL SAFETY

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 ﬁtting 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

inﬂuence 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.

NOTICE



This equipment should only be operated by trained and

qualiﬁed personnel 18 years of age and older.



Whenever necessary, replace nameplate, operation and

safety decals when they become difﬁcult read.



Manufacturer does not assume responsibility for any

accident due to equipment modiﬁcations. Unauthorized

equipment modiﬁcation will void all warranties.

NEVER

use accessories or attachments that are not

recommended by Multiquip for this equipment. Damage

to the equipment and/or injury to user may result.

ALWAYS know the location of the nearest

ﬁre extinguisher.

ALWAYS know the location of the nearest

ﬁrst aid kit.

ALWAYS know the location of the nearest phone or

keep

a phone on the job site.

Also, know the phone numbers

of the nearest ambulance, doctor and

ﬁre department.

This information will be invaluable in the case of an

emergency.

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PAGE 8 — MC12PH CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #1 (09/02/15)

SAFETY INFORMATION

MIXER SAFETY

DANGER



NEVER operate the equipment in an explosive

atmosphere or near combustible materials.An

explosion or ﬁre could result causing severe

bodily harm or even death.



DO NOT mix ﬂammable or explosive substances.

WARNING



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 ﬁtted.

CAUTION



NEVER lubricate components or attempt service on a

running machine.

NOTICE



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 ﬁlling 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.

ENGINE SAFETY (GASOLINE MODELS ONLY)

DANGER



Engine fuel exhaust gases contain poisonous carbon

monoxide. This gas is colorless and odorless, and can

cause death if inhaled.



The engine of this equipment requires an adequate

free ﬂow of cooling air. NEVER

operate this equipment

in any enclosed or narrow

area where free ﬂow of the

air is restricted. If the air

ﬂow is restricted it will cause

injury to people and property

and serious damage to the

equipment or engine.

WARNING

DO NOT

place hands or fingers inside engine

compartment when engine is running.

NEVER

operate the engine with heat shields or

guards removed.

Keep ﬁngers, hands hair and clothing away

from all moving parts to prevent injury.

DO NOT remove the engine oil drain plug

while the engine is hot. Hot oil will gush out of the oil

tank and severely scald any persons in the general area

of the mixer.

CAUTION

NEVER touch the hot exhaust manifold,

mufﬂer or cylinder. Allow these parts to cool

before servicing equipment.



Make certain the operator knows how to and is capable

of turning the engine OFF in case of an emergency.

NOTICE

NEVER

run engine without an air ﬁlter or with a dirty air

ﬁlter. Severe engine damage may occur. Service air ﬁlter

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.

DANGEROUS

GAS FUMES

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MC12PH CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #1 (09/02/15) — PAGE 9

SAFETY INFORMATION

FUEL SAFETY (GASOLINE MODELS ONLY)

DANGER



DO NOT start the engine near spilled fuel or combustible

ﬂuids. Fuel is extremely ﬂammable and its vapors can

cause an explosion if ignited.



ALWAYS refuel in a well-ventilated area, away from

sparks and open ﬂames.



ALWAYS use extreme caution when working with

ﬂammable liquids.



DO NOT ﬁll the fuel tank while the engine is running

or hot.



DO NOT overﬁll 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 ﬂames.



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.

GENERATOR SAFETY

If using a generator to power mixer, refer to

applicable generator manual safety information

section.

ELECTRIC MOTOR SAFETY

(ELECTRIC MODELS ONLY)

NOTICE



Operate electric motor only at the speciﬁed voltage

indicated on the nameplate.



DO NOT spray water onto electric motor.



ALWAYS disconnect AC power plug from power source

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

NEVER let power cords or cables lay in water.

NEVER use damaged or worn

cables or cords when

connecting equipment to generator. Inspect for cuts in

the insulation.

NEVER grab or touch a live power

cord or cable with wet hands. The

possibility exists of electrical shock,

electrocution or death.



Make sure power cables are securely connected.

Incorrect connections may cause electrical shock and

damage to the mixer.

CAUTION



Ensure that cables and cords will not be tripped over or

trapped underneath the mixer.

NOTICE

ALWAYS

make certain that proper power or extension

cord has been selected for the job.

TRANSPORTING SAFETY

CAUTION

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.

NEVER

tip the engine to extreme angles during lifting as

it may cause oil to gravitate into the cylinder head, making

the engine start difﬁcult.

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