Multiquip C10PH8 User Manual
OPERATION AND PARTS MANUAL
MODELS
C10SH8 (STEEL)
C10PH8 (PLASTIC)
CONCRETE MIXER
(HONDA GX240U1QA2 GASOLINE ENGINE
Revision #0 (03/06/09)
To fi nd the latest revision of this
publication, visit our website at:
www.stowmfg.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,
drillingandother construction activities
contains chemicals known to the State
of California to cause cancer, birth
defects and other reproductive harm.
Some examples of thesechemicals are:
Leadfromlead-basedpaints.
Crystallinesilica frombricks.
Cementandother masonry products.
Arsenicandchromiumfromchemically
treatedlumber.
Your risk from these exposures varies,
dependingon how often you dothistype
of work. To reduce your exposure to
these chemicals: work in aALWAYS
well ventilated area, and work with
approved safety equipment, such as
dust masks that are specially designed
to filter out microscopic particles.
PAGE 2 — C10SH8-PH8 CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #0 (03/06/09)
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.
C10SH8-PH8 CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #0 (03/06/09) — PAGE 3
TABLE OF CONTENTS
C10SH8-PH8
Concrete Mixer
Proposition 65 Warning ........................................... 2
Silicosis/Respiratory Warnings ................................ 3
Table Of Contents .................................................... 4
Parts Ordering Procedures ...................................... 5
Safety Information .............................................. 6-10
Specifi cations ........................................................ 12
Dimensions ............................................................ 13
General Information ............................................... 14
Components .......................................................... 15
Basic Engine .......................................................... 16
Towing Guidelines .................................................. 17
Safety Chain Connection ....................................... 18
Inspection .............................................................. 19
Operation .......................................................... 20-21
Maintenance (Engine) ......................................22-23
Maintenance (Mixer) ......................................... 24-26
Troubleshooting (Engine) ....................................... 28
Troubleshooting (Mixer) ......................................... 29
Explanation Of Code In Remarks Column ............ 30
Suggested Spare Parts ......................................... 31
Component Drawings
Nameplates And Decals ................................... 32-33
Plastic Drum Assembly ..................................... 34-35
Steel Drum Assembly ....................................... 36-37
Yoke Assembly .................................................. 38-39
Frame Assembly ............................................... 40-41
Hub/Tire Assembly ........................................... 42-43
Cabinet Assembly ............................................. 44-45
Engine Assembly .............................................. 46-47
Terms And Conditions Of Sale — Parts ................ 48
NOTICE
Specifi cations and part numbers are subject to change
without notice.
PAGE 4 — C10SH8-PH8 CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #0 (03/06/09)
PARTS ORDERING PROCEDURES
www.multiquip.com
Ordering parts has never been easier!
Choose from three easy options:
January 1
Effective:
st
, 2006
Best Deal!
Order via Internet (Dealers Only):
Order parts on-line using Multiquip’s SmartEquip website!
■ View Parts Diagrams
■ Order Parts
■ Print Specifi cation Information
Goto www.multiquip.com and click on
Order Parts
Order via Fax (Dealers Only):
All customers are welcome to order parts via Fax.
Domestic (US) Customers dial:
1-800-6-PARTS-7 (800-672-7877)
Non-Dealer Customers:
Contact your local Multiquip Dealer for
parts or call 800-427-1244 for help in
locating a dealer near you.
to log in and save!
Order via Phone:
If you have an MQ Account, to obtain a Username
and Password, E-mail us at: parts@multiquip.
com.
To obtain an MQ Account, contact your
District Sales Manager for more information.
Use the internet and qualify for a 5% Discount
on Standard orders for all orders which include
complete part numbers.*
Note: Discounts Are Subject To Change
Fax your order in and qualify for a 2% Discount
on Standard orders for all orders which include
complete part numbers.*
Note: Discounts Are Subject To Change
Domestic (US) Dealers Call:
1-800-427-1244
International Customers should contact
their local Multiquip Representatives for
Parts Ordering information.
C10SH8-PH8 CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #0 (03/06/09) — PAGE 5
When ordering parts, please supply:
❒ Dealer Account Number
❒ Dealer Name and Address
❒ Shipping Address (if different than billing address)
❒ Return Fax Number
❒ Applicable Model Number
❒ Quantity, Part Number and Description of Each Part
NOTICE
All orders are treated as Standard Orders and will
ship the same day if received prior to 3PM PST.
WE ACCEPT ALL MAJOR CREDIT CARDS!
❒ Specify Preferred Method of Shipment:
✓ UPS/Fed Ex ✓ DHL
■ Priority One ✓ Truck
■ Ground
■ Next Day
■ Second/Third Day
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 or NOTICE.
SAFETY SYMBOLS
DANGER
Indicates a hazardous situation which, if not avoided,
WILL result in DEATH or SERIOUS INJURY.
WARNING
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.
Symbol Safety Hazard
Lethal exhaust gas hazards
Explosive fuel hazards
Burn hazards
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.
Rotating parts hazards
PAGE 6 — C10SH8-PH8 CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #0 (03/06/09)
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 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.
NOTICE
This equipment should only be operated by trained and
qualifi ed personnel 18 years of age and older.
Whenever necessary, replace nameplate, operation and
safety decals when they become diffi cult read.
Manufacturer does not assume responsibility for any
accident due to equipment modifi cations. Unauthorized
equipment modifi cation 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
fi re extinguisher.
ALWAYS know the location of the nearest
fi rst 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 fi re department.
This information will be invaluable in the case of an
emergency.
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.
C10SH8-PH8 CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #0 (03/06/09) — PAGE 7
SAFETY INFORMATION
MIXER SAFETY
DANGER
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.
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 fi tted.
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 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.
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 fl ow of cooling air. NEVER operate this equipment
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 place hands or fingers inside engine
compartment when engine is running.
NEVER operate the engine with heat shields or
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
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,
muffl er 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 fi lter or with a dirty air
fi lter. Severe engine damage may occur. Service air fi lter
frequently to prevent engine malfunction.
DANGEROUS
GAS FUMES
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.
PAGE 8 — C10SH8-PH8 CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #0 (03/06/09)
SAFETY INFORMATION
FUEL SAFETY (GASOLINE MODELS ONLY)
DANGER
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.
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.
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
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 specifi ed 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.
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 diffi cult.
C10SH8-PH8 CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #0 (03/06/09) — PAGE 9
SAFETY INFORMATION
TOWING SAFETY
CAUTION
Check with your local county or state safety towing
regulations, in addition to meeting Department of
Transportation (DOT) Safety Towing Regulations,
before towing your mixer.
In order to reduce the possibility of an accident while
transporting the mixer on public roads, ALWAYS make
sure the towing vehicle is mechanically sound and in
good operating condition.
ALWAYS shutdown engine before transporting.
ALWAYS inspect the hitch and coupling for wear. NEVER
tow a mixer with defective hitches, couplings, chains, etc.
Check the tire air pressure on both towing vehicle and
mixer Mixer tires should be infl ated to 50 psi cold. Also
check the tire tread wear on the vehicle and mixer.
ALWAYS make sure the mixer is equipped with a safety
chain.
ENVIRONMENTAL SAFETY
NOTICE
Dispose of hazardous waste properly.
Examples of potentially hazardous waste
are used motor oil, fuel and fuel fi lters.
DO NOT use food or plastic containers to dispose of
hazardous waste.
DO NOT pour waste, oil or fuel directly onto the ground,
down a drain or into any water source.
ALWAYS properly attach mixer’s safety chains to towing
vehicle.
The maximum speed for highway towing is 55 MPH unless
posted otherwise. Recommended off-road towing is not to
exceed 15 MPH or less depending on type of terrain.
Avoid sudden stops and starts. This can cause skidding,
or jack-knifi ng. Smooth, gradual starts and stops will
improve towing.
Avoid sharp turns to prevent rolling.
Mixer should be adjusted to a level position at all times
when towing.
Raise and lock mixer wheel stand in up position when
towing.
Place chock blocks underneath wheel to prevent rolling
while parked.
PAGE 10 — C10SH8-PH8 CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #0 (03/06/09)
NOTES
C10SH8-PH8 CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #0 (03/06/09) — PAGE 11
SPECIFICATIONS
Mixer Specifi cationsTable 1.
Model C10SH8 C10PH8
Drum Material Steel Polyethylene
Bag Capacity 1 1
Drum Capacity — cu.ft. (liters) 9.0 (255) 9.0 (255)
Discharge Height — in. cm. 21.5 (55) 21.5 (55)
Drum Opening — in. cm. 20.0 (51) 19.2 (49)
Drum Depth — in. cm 29 (74) 28 (71)
Tires B78 x 13 B78 x 13
Drive V-Belt V-Belt
Dump Action Manual Manual
Weight - With Engine 600 lbs. (272 Kg.) 620 lbs. (281 Kg.)
Engine Specifi cationsTable 2.
Model HONDA GX240U1QA2
Type
Bore X Stroke
Displacement 14.81 cc
Engine
Dimension
(L x W x H)
Dry Net Weight 55.1 lbs (25 Kg.)
Max Output 8.0 H.P./3600 R.P.M.
Fuel Tank Capacity
Fuel Unleaded Gasoline
Lube Oil Capacity 2-1/3 pints
Speed Control Method Centrifugal Fly-weight Type
Starting Method Recoil Start
Air-cooled 4 stroke, Single Cylinder, OHV,
Horizontal Shaft Gasoline Engine
2.90 in. X 2.30 in.
(73 mm x 58 mm)
Approx. 1.59 U.S. Gallons
(6 Liters)
14.0 x 16.9 X 16.1 in.
(355 X 430 X 410 mm)
PAGE 12 — C10SH8-PH8 CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #0 (03/06/09)
A
DIMENSIONS
C
D
B
OPTIONAL TOW BARS
HBC-1
2-INCH
BALL COUPLER
HLC-1
LOOP COUPLER
HPC-1
1-INCH
PIN COUPLER
E
Reference
F
G
DimensionsTable 3.
Letter
A Height 61 in. (1545 mm)
B Drum height 30 in. (765 mm)
C Drum width 38.6 in. (980 mm)
D Drum neck diameter 21.1 in. (535 mm)
E Width 45.7 in. (1160 mm)
F Length, no tow bar 74.5 in. (1892 mm)
G Length with tow bar 92.7 in. (2355 mm)
Description Dimension
DimensionsFigure 1.
C10SH8-PH8 CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #0 (03/06/09) — PAGE 13
GENERAL INFORMATION
APPLICATION
This mixer is only intended for the production of concrete.
The mixer must be used for its intended purpose and
is not suitable for the mixing of fl ammable or explosive
substances. The mixer must not be used in an explosive
atmosphere. Use Table 5 (Mixing Hints) as a guide when
mixing concrete for various applications.
POWER PLANTS
The Stow C10SH8 and C10PH8 mixers are powered by an
air-cooled, 4-stroke Honda GX240U1QA2 gasoline engine.
Refer to Table 2 for engine specifi cations.
HARDWARE
Check all hardware on the mixer before starting Periodically
inspect all hardware. Loose hardware can contribute to
early component failure and poor performance. Use Table
4 as general guideline when the torqueing of mixer
hardware is required. Remember to keep all mixer hardware
components tight.
ENGINE MAINTENANCE
For basic engine maintenance, refer to the engine
maintenance section in this manual. For more detailed
engine maintenance information, refer to the Honda engine
owner’s manual supplied with the engine.
Hardware Torque RecommendationsTable 4.
Hardware Diameter Torque (ft-lbs)
5/16-inch x 18 14
3/8-inch x 16 24
3/8-inch x 24 37
1/2-inch x 13 39
1/2-inch x 13 (Grade 8) 90
Applications
Most Ordinary
Foundations
Rough Mass
Concrete
Mix
Ratios
1:2:4 1/2 Bag 1-1/4 35 2-1/2 71 3 85
1:3:6 1/3 Bag 1-1/4 35 2-1/2 71 2-3/4 78
1:4:8 1/4 Bag 1-1/4 35 2-1/2 71 2-3/4 78
Cement 112
lbs. (50 Kgs.)
Bag
Mixing HintsTable 5.
Batch Quantities
Sand Stone
Cu. Ft. Ltr Cu. Ft. Ltr Cu.Ft. Ltr
Approx. Batch
Output
Watertight Floors,
Tanks, Pits, Etc.
PAGE 14 — C10SH8-PH8 CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #0 (03/06/09)
1:1-1/2:3 2/3 Bag 1-1/4 35 3 71 3 85
COMPONENTS
11
6
5
4
3
2
6
6
12
Major ComponentsFigure 2.
1
13
7
8
9
10
Figures 2 shows the location of the controls and components
for the C10SH8-PH8 mixer. The function of each control is
described below.
Handwheel 1. — Turn this wheel clockwise or counter-
clockwise to rotate the mixing drum. Remember the
dump latch must be in the up position in order for the
mixing drum to be rotated.
Dump Gear Guard 2. — NEVER operate the mixer with
this guard removed. Its purpose is to prevent dirt and
debris from entering the dump gear. In addition operator
clothing could become entangled in the dump gear,
causing severe injury and bodily harm.
Dump Latch 3. — To rotate the mixing drum, this latch
must be in the up position. To lock the drum, place the
latch in the down position.
Mixing Drum 5. — The C10SH8 uses a 6 cu. ft steel
mixing drum and the C10PH8 uses a 6 cu. ft. plastic
mixing drum. This drum is to be used for mixing of
concrete. Always clean the drum after each use. DO
NOT use this mixing drum for the mixing of volatile
liquids.
Zerk Fittings 6. — There are three zerk fi ttings on the
mixer that lubricate the handwheel, gear and yoke.
Lubricate fi ttings as referenced in the maintenance
section of this manual.
Engine Cabinet 7. — Encloses engine. NEVER run mixer
with cabinet removed.
ON/OFF Switch 8. — This switch is located on the side
of the mixer frame. When activated it will shut down the
engine. Pull out when starting the engine.
Cabinet Latch 9. — Use latches to secure engine
cabinet.
Tire Ply 10. — The tire ply (layers) number is rated in
letters; This mixer uses 13-inch 2-ply tires. Replace
with only recommended type tires.
Chock Blocks 11. — Place these blocks (not included as
part of the mixer package) under each mixer wheel
to prevent rolling when mixer is not connected to the
towing vehicle.
Safety Chain 12. — This mixer uses a 3/16-inch thick,
72-inches long zinc-plated saftey chain. ALWAYS
connect the safety chain when towing.
Tow Bar 13. — This mixer uses various towing bars. Please
reference the frame assembly drawing and parts list
in this manual to determine which tow bar meets your
requirements
Mixing Blades (Steel or Plastic) 4. — Used for the
mixing of concrete. Replace plastic blades when they
show signs of wear. When steel blades show signs
of wear, entire steel mixing drum assembly must be
replaced. See steel and plastic mixing drum assemblies
in the parts section of this manual.
C10SH8-PH8 CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #0 (03/06/09) — PAGE 15
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