MQ Multiquip CMS6S User manual

OPERATION AND PARTS MANUAL

CMS-6S

CONCRETE MIXER

Revision #6 (12/22/06)

PARTS DEPARTMENT:

800-427-1244

FAX: 800-672-7877

SERVICE DEPARTMENT/TECHNICAL ASSISTANCE:

800-478-1244

FAX: 310-631-5032

STOW CONSTRUCTION EQUIPMENT

A DIVISION OF STOW INC.

POST OFFICE BOX 6254

CARSON, CA 90749

310-537-3700 • 888-252-STOW [888-252-7869]

FAX: 310-537-1986 • FAX: 800-556-1986

E-MAIL: STOW@STOW.com • WWW: stowmfg.com

Engine exhaust and some of

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, such as

dust masks that are specially designed

to filter out microscopic particles.

STOW CMS-6S CONCRETE MIXER — PARTS & OPERATION MANUAL — REV. #6 (12/22/06) — PAGE 3

NOTE PAGE

PAGE 4 — STOW CMS-6S CONCRETE MIXERS — PARTS & OPERATION MANUAL — REV. #6 (12/22/06)

STOW CMS-6S CONCRETE MIXER — TABLE OF CONTENTS

Componet Drawings

Nameplate and Decals....................................... 34-35

Mixer Assembly (Steel Drum) ............................ 36-37

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

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

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

Gas Engine Mounting Plate Asasembly ............ 44-45

Electric Motor Mounting Plate Asasembly ........ 46-47

Specification and part number

are subject to change without

notice.

NOTE

STOW CMS-6S Concrete

Mixer

Here's How To Get Help ............................................ 3

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

Parts Ordering Procedures ....................................... 5

Specifications ............................................................ 6

Dimensions (Mixer) ................................................... 7

Safety Message Alert Symbols ................................. 8

Rules For Safe Operation .................................... 9-10

Operation and Safety Decals .................................. 11

General Information ................................................ 12

Mixer Basic Components ........................................ 13

Basic Engine Components ...................................... 14

Handwheel Assembly .............................................. 15

Towing Guidelines ................................................... 16

Safety Chain Connection ........................................ 17

Electric Motor ..................................................... 18-19

Pre-Inspection (Gasoline Engine) ........................... 20

Initial Start-up (Gasoline Engine)............................ 21

Initial Start-up (Electric Motor) ................................ 22

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

Maintenance (Engine)........................................ 24-25

Maintenance (Mixer) .......................................... 26-28

Troubleshooting (Engine) ........................................ 30

Troubleshooting (Engine/Mixer) .............................. 31

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

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

HONDA GX240K1HA2 ENGINE

Air Cleaner Assembly......................................... 48-49

Camshaft Assembly ........................................... 50-51

Carburetor Assembly ......................................... 52-53

Control Assembly ............................................... 54-55

Crankcase Cover Assembly ............................... 56-57

Crankshaft Assembly ......................................... 58-59

Cylinder Barrel Assembly ................................... 60-61

Cylinder Head Assembly .................................... 62-63

Fan Cover Assembly .......................................... 64-65

Flywheel Assembly ............................................ 66-67

Muffler Assembly ............................................... 68-69

Fuel Tank Assembly ........................................... 70-71

Ignition Coil ........................................................ 72-73

Piston Assembly ................................................. 74-75

Recoil Starter ..................................................... 76-77

Gear Reduction Assembly ................................. 78-79

Label Assembly .................................................. 80-81

HONDA GX160K1H X2 ENGINE

Air Cleaner Assy. ................................................ 82-83

Camshaft Assy. .................................................. 84-85

Carburetor Assy. ................................................ 86-87

Control Assy. ...................................................... 88-89

Crankcase Cover Assy. ...................................... 90-91

Crankshaft Assy. ................................................ 92-93

Cylinder Barrel Assy. .......................................... 94-95

Cylinder Head Assy. ........................................... 96-97

Fan Cover Assy. ................................................. 98-99

Flywheel Assy................................................. 100-101

Fuel Tank Asssembly ..................................... 102-103

Ignition Coil Asssembly ..................................104-105

Muffler Asssembly ..........................................106-107

Piston Rings Asssembly ................................. 108-109

Recoil Starter Asssembly ...............................110-111

1/6 Gear Reduction Asssembly ..................... 112-113

Labels Asssembly .......................................... 114-115

Terms and Conditions of Sale ............................... 116

STOW CMS-6S CONCRETE MIXER — PARTS & OPERATION MANUAL — REV. #6 (12/22/06) — PAGE 5

When ordering parts,

please supply the following information:

❒❒

❒ 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

❒❒

❒ Specify preferred method of shipment:

✓ FedEx or UPS Ground

✓ FedEx or UPS Second Day or Third Day

✓ FedEx or UPS Next Day

✓ Federal Express Priority One

✓ DHL

✓ Tr uck

Here’s how to get help...

Please have the model and serial number on

hand when calling.

Parts Department

800-427-1244 Fax: 800-672-7877

310-537-3700 Fax: 310-637-3284

Service Department

800-478-1244 Fax: 310-537-4259

310-537-3700

Technical Assistance

800-478-1244 Fax: 310-631-5032

Warranty Department

800-421-1244, Ext. 279 Fax: 310-537-1173

310-537-3700, Ext. 279

Sales Department

310-661-4242 Fax: 310-604-9237

877-289-7869 (877-BUY-STOW)

Note: Unless otherwise indicated by customer, all

orders are treated as “Standard Orders”, and will

ship within 24 hours. We will make every effort to

ship “Air Shipments” the same day that the order is

received, if prior to 2PM west coast time. “Stock

Orders” must be so noted on fax or web forms.

Extra Discounts!

All parts orders which include complete part numbers

and are received by our automated web parts order

system, or by fax qualify for the following extra

discounts:

Ordered Standard Stock orders

via orders ($750 list and above)

Fax 3% 10%

Web 5% 10%

Special freight allowances

when you order 10 or more

line items via Web or Fax!**

FedEx Ground Service

at no charge for freight

No other allowances on freight shipped by any other

carrier.

Place Your Parts Order Via Web or Fax

For Even More Savings!

NOTE: DISCOUNTS ARE SUBJECT TO CHANGE

Direct TOLL-FREE access

to our Parts Department:

Toll-free nationwide — 800-427-1244

STOW CONSTRUCTION EQUIPMENTSTOW CONSTRUCTION EQUIPMENT

STOW CONSTRUCTION EQUIPMENT

A DIVISION OF STOW INC.

POST OFFICE BOX 6254

CARSON, CA 90749

310-537-3700 • 888-252-STOW [888-252-7869]

FAX: 310-537-1986 • FAX: 800-556-1986

E-MAIL: stow@STOW.com • WWW: stowmfg.com

CMS-6S CONCRETE MIXER — PARTS ORDERING PROCEDURES

PAGE 6 — STOW CMS-6S CONCRETE MIXERS — PARTS & OPERATION MANUAL — REV. #6 (12/22/06)

STOW CMS-6S CONCRETE MIXER — SPECIFICATIONS

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STOW CMS-6S CONCRETE MIXER — PARTS & OPERATION MANUAL — REV. #6 (12/22/06) — PAGE 7

STOW CMS-6S CONCRETE MIXER — DIMENSIONS (MIXER)

See Table 2 for mixer dimensions

Figure 1. Mixer Dimensions

PAGE 8 — STOW CMS-6S CONCRETE MIXERS — PARTS & OPERATION MANUAL — REV. #6 (12/22/06)

Accidental Starting

ALWAYS place the circuit breaker or power

ON/OFF switch in the OFF position when the

pump is not in use.

Respiratory Hazard

ALWAYS wear approved respiratory

protection.

Equipment Damage Messages

Other important messages are provided throughout this manual

to help prevent damage to your mixer, other property, or the

surrounding environment.

ALWAYS wear approved eye and hearing

protection.

Sight and Hearing hazard

STOW CMS-6S CONCRETE MIXER — SAFETY MESSAGE ALERT

SYMBOLS

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.

FOR YOUR SAFETY AND THE SAFETY OF OTHERS!

This Owner's Manual has been

developed to provide complete

instructions for the safe and efficient

operation of the STOW

Model

CMS-6S (Steel) Concrete Mixer.

Before using this mixer,

ensure that the operating

individual has read and

understands all instructions in

this manual.

SAFETY MESSAGE ALERT SYMBOLS

The three (3) 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 three words: DANGER,

WARNING, or CAUTION.

DANGER: You WILL be KILLED or

SERIOUSLY injured if you do not follow

directions.

WARNING: You CAN be KILLED or

SERIOUSLY injured if you do not follow

directions.

CAUTION: You CAN be injured if you

do not follow directions.

HAZARD SYMBOLS

Potential hazards associated with the STOW CMS-6S concrete

mixer operation will be referenced with Hazard Symbols which

appear throughout this manual, and will be referenced in

conjunction with Safety Message Alert Symbols.

Rotating Parts

NEVER operate equipment with covers, or

guards removed. Keep fingers, hands, hair and

clothing away from all moving parts to prevent

injury.

NOTE

This mixer, other property, or the

surrounding environment could

be damaged if you do not follow

instructions.

NOTE

STOW CMS-6S CONCRETE MIXER — PARTS & OPERATION MANUAL — REV. #6 (12/22/06) — PAGE 9

STOW CMS-6S CONCRETE MIXER — RULES FOR SAFE OPERATION

■

ALWAYS refuel in a well-ventilated area, away from sparks

and open flames.

■

ALWAYS use extreme caution when working with flammable

liquids. When refueling, stop the engine and allow it to cool.

DO NOT

smoke around or near the machine. Fire or explosion

could result from fuel vapors, or if fuel is spilled on a hot

engine.

■

NEVER operate the mixer in an explosive

atmosphere or near combustible

materials. An explosion or fire could result

causing severe

bodily harm or even

death.

■

Topping-off to filler port is dangerous, as it tends to spill fuel.

■

Refer to the

Engine Owner's Manual

for engine technical

questions or information.

■

NEVER use accessories or attachments, which are not

recommended by Multiquip for this equipment. Damage to

the equipment and/or injury to user may result.

■

Manufacturer does not assume responsibility for any accident

due to equipment modifications.

■

NEVER touch the hot exhaust manifold,

muffler or cylinder. Allow these parts to

cool before servicing engine or mixer.

■

The engine of this mixer requires an adequate free flow of

cooling air.

NEVER!

operate the mixer in any enclosed or

narrow area where free

flow of the air is restricted. If

the air flow is restricted it

will cause serious damage

to the mixer or engine and

may cause injury to people

and property. Remember

the mixer's engine

(gasoline models only)

gives off DEADLY gases.

■

High Temperatures – Allow the engine to cool before adding

fuel or performing service and maintenance functions. Contact

with

hot

components can cause serious burns.

DANGER:

Failure to follow instructions in this manual may

lead to serious injury or even death! This

equipment is to be operated by trained and

qualified personnel only! This equipment is for

industrial use only.

The following safety guidelines should always be used when

operating the

Multiquip MC-62P/MC-62S Concrete Mixers:

GENERAL SAFETY

■

DO NOT operate or service this equipment before

reading this entire manual.

■

This equipment should not be operated by

persons under 18 years of age.

■

NEVER operate this equipment without proper

protective clothing, shatterproof glasses, steel-

toed boots and other protective devices required

by the job.

■

NEVER operate this equipment when not feeling

well due to fatigue, illness or taking medicine.

■

NEVER operate this equipment under the

influence or drugs or alcohol.

■

Whenever necessary, replace nameplate, operation and

safety decals when they become difficult read.

■

ALWAYS check the machine for loosened threads or bolts

before starting.

■

ALWAYS wear proper respiratory (mask) hearing and eye

protection equipment when operating the mixer.

■

NEVER!

place hands inside the drum while the drum is

rotating.

PAGE 10 — STOW CMS-6S CONCRETE MIXERS — PARTS & OPERATION MANUAL — REV. #6 (12/22/06)

■

In emergencies

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.

■

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.

■

If mixer is equipped with an electric motor, operate electric

motor only at the specified voltage indicated on the nameplate.

■

Make sure the

OFF/ON

power switch on the electric motor is

always

in the

OFF

position before inserting the mixer's power

plug into an AC receptacle (electric model only).

Maintenance Safety

■

NEVER lubricate components or attempt service on a running

machine.

■

ALWAYS allow the machine a proper amount of time to cool

before servicing.

■

Keep the machinery in proper running condition.

■

Fix damage to the machine immediately and always replace

broken parts, or missing decals.

■

Dispose of hazardous waste properly. Examples of potentially

hazardous waste are used motor oil, fuel and fuel filters.

■

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.

Emergencies

■

ALWAYS know the location of the nearest

fire extinguisher

and first aid kit.

STOW CMS-6S CONCRETE MIXER — RULES FOR SAFE OPERATION

■

NEVER run engine without air cleaner. Severe engine damage

may occur.

■

ALWAYS read, understand, and follow procedures in

Operator’s Manual before attempting to operate equipment.

■

ALWAYS be sure the operator is familiar with proper safety

precautions and operations techniques before using roller.

■

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.

■

NEVER leave the mixer unattended, turn off engine or electric

motor when unattended.

■

CAUTION must always be observed while servicing this mixer.

Rotating parts can cause injury if contacted.

■

Unauthorized equipment modifications will void all

warranties.

■

Ensure that any extension cable is protected against damage

and not liable to be tripped over or trapped underneath the

mixer.

■

DO NOT allow extension cord to come into contact with water

or fluids.

■

DO NOT spray water onto electric motor.

■

This mixer is intended for the production of concrete. Mixer

must be used only for its intended purpose.

■

This mixer is not suitable for the mixing of

flammable

or

explosive

substances.

■

NEVER operate the mixer in an

explosive

atmosphere.

■

Before starting the mixer, check that all

guards

are in position

and correctly fitted.

■

Keep area around the mixer

clear of obstructions

which

could cause persons to fall onto

moving parts

.

■

ALWAYS ensure mixer is on level ground before mixing.

■

Become familiar with the controls of the mixer before

operating.

■

ALWAYS replace any worn or damaged warning decals.

■

Ensure the drum is

rotating

while filling and emptying the

drum.

■

ALWAYS disconnect AC power plug from power source

before moving mixer (electric model only).

■

High Temperatures – Always stop engine and allow the

engine to cool before adding fuel, oil or performing service

and maintenance functions. Contact with

hot

components

can cause serious burns.

STOW CMS-6S CONCRETE MIXER — PARTS & OPERATION MANUAL — REV. #6 (12/22/06) — PAGE 11

STOW CMS-6S CONCRETE MIXER — OPERATION AND SAFETY DECALS

Machine Safety Decals

The STOW CMS-6S mixer is equipped with a number of safety decals (Figure 1A). These decals are provided for operator safety

and maintenance information. The illustration below and on the next page shows these decals as they appear on the machine.

Should any of these decals become unreadable, replacements can be obtained from your dealer.

Figure 1A. STOW CMS-6S Mixer Decals

PAGE 12 — STOW CMS-6S CONCRETE MIXERS — PARTS & OPERATION MANUAL — REV. #6 (12/22/06)

STOW CMS-6S CONCRETE MIXER — 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

flammable

or

explosive

substances. The mixer

must not be used

in an explosive

atmosphere. Use Table 4 (Mixing Hints) as a guide when

mixing concrete for various applications.

Power Plants

The Multiquip MC-62P and MC-62S mixers can be powered

by a variety of power plants or an electric motor. Refer to

Table 2 to for specific engine or electric motor data

information. All engines are air-cooled, 4-stroke gasoline

engines.

Electrical

If mixer is equipped with an

electric motor

, make sure that

the power being supplied to the motor corresponds to the

voltage rating label on the motor. Supplying the wrong voltage

to the electric motor will cause severe electrical damage to

the motor.

Always make sure the

OFF/ON

switch on the electric motor

is in the

OFF

position before applying power.

It is

strongly recommended

when inserting the mixer's

power cord into a receptacle, that a G.F.C.I. (

Ground Fault

Current

Interrupter

) receptacle be used (115 VAC

applications).

Extension Cables

The extension cable should be a 3-wire configuration that

includes a ground wire that conforms to UL code. The wire

cross section must be a minimum of 2.5 mm

2

. Choose an

extension cord of adequate current carrying as Referenced

in Table 6. Remember

distance

affects the wire size of the

extension cable.

Ensure that the extension cable is carefully laid out avoid-

ing

wet areas

,

sharp edges

and locations where vehicles

might run over it. Avoid allowing the extension cable to be

trapped underneath the mixer.

Unroll the extension cable fully or it will overheat and could

catch fire. Make sure that all extension cable connections

are dry and safe. Replace any defective or badly worn ex-

tension cable immediately.

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 3 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 a more detailed engine maintenance,

refer to the

Honda

or

Robin

Engine Owner's manual furnished

with the engine.

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STOW CMS-6S CONCRETE MIXER — PARTS & OPERATION MANUAL — REV. #6 (12/22/06) — PAGE 13

STOW CMS-6S CONCRETE MIXER — MIXER BASIC COMPONENTS

Figure 2. Mixer Major Components

1. Steel Mixing Drum — The STOW CMS-6S uses a 6 cu. ft

steel

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.

2. Dump Latch — To rotate the mixing drum, this latch must

be in the up position. To lock the drum, place the latch in the

down position.

3. Dump Gear Guard — 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.

4. Handwheel — 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.

5. Zerk Fittings — There is, at the bottom and engine side

of the yoke, and center of the

handwheel

grease zerk

fittings. Lubricate these fittings as referenced in the

maintenance section of this manual.

6. Safety Chain — This mixer uses a 3/16-inch thick, 72-

inches long zinc-plated saftey chain.

ALWAYS

connect the

safety chain when towing.

7. Tow Bar — 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.

8. Leaf Suspension — This mixer uses a leaf type

suspension. Check the mounting hardware for bolt hole

elongation and tightness. See maintenance section of this

manual for recommended maintenance.

9. Chock Blocks — Place these blocks (not included as

part of the mixer package) under each mixer wheel to

prevent rolling, when mixer is not connect to the towing

vehicle.

10. Tires Ply — The tire ply (layers) number is rated in letters;

This mixer uses 13-inch 2-ply tires. Replace with only

recommended type tires.

11. ON/OFF Switch (gasoline only) — This switch is provided

on

mixerwith gasoline

engines only and is located on the

side of the mixer frame. When activated it will shut down

the engine. Pull out when starting the engine.

12. Cabinet/Latch — Encloses engine and electric motor.

NEVER run mixer with cabinet removed. Use latches to

secure engine compartment cabinet.

13. Mixing Blades (Steel) — Used for the mixing of concrete.

When blades show signs of wear, entire steel mixing drum

assembly must be replaced. See steel mixing drum

assembly in the parts section of this manual.

PAGE 14 — STOW CMS-6S CONCRETE MIXERS — PARTS & OPERATION MANUAL — REV. #6 (12/22/06)

STOW CMS-6S CONCRETE MIXER — BASIC ENGINE COMPONENTS

Figure 3. Engine Controls and Components

INITIAL SERVICING

The engine (Figure 3) must be checked for proper lubrication and

filled with fuel prior to operation. Refer to the manufacturers Engine

manual for instructions & details of operation and servicing.

1. Fuel Filler Cap – Remove this cap to add unleaded

gasoline to the fuel tank. Make sure cap is tightened

securely. DO NOT over fill.

Adding fuel to the tank should be accomplished only

when the engine is stopped and has had an

opportunity to cool down. In the event of a fuel spill,

DO NOT attempt to start the engine until the fuel residue has been

completely wiped up, and the area surrounding the engine is dry.

2. Throttle Lever – Used to adjust engine RPM speed (lever

advanced forward

SLOW

, lever back toward operator

FAST

).

3. Engine ON/OFF Switch – ON position permits engine

starting, OFF position stops engine operations.

4. Recoil Starter (pull rope) – Manual-starting method. Pull

the starter grip until resistance is felt, then pull briskly and

smoothly.

5. Fuel Valve Lever – OPEN to let fuel flow, CLOSE to stop

the flow of fuel.

6. Choke Lever – Used in the starting of a cold engine, or in

cold weather conditions. The choke enriches the fuel

mixture.

7. Air Cleaner – Prevents dirt and other debris from entering

the fuel system. Remove wing-nut on top of air filter

cannister to gain access to filter element.

8. Spark Plug – Provides spark to the ignition system. Set

spark plug gap to 0.6 - 0.7 mm (0.028 - 0.031 inch). Clean

spark plug once a week.

9. Muffler – Used to reduce noise and emissions.

Engine components can generate extreme heat.

To prevent burns, DO NOT touch these areas

while the engine is running or immediately after operating. NEVER

operate the engine with the muffler removed.

10. Fuel Tank – Holds unleaded gasoline. For additional

information refer to engine owner's manual.

WARNING

NOTE

Operating the engine without an air filter,

with a damaged air filter, or a filter in need of

replacement will allow dirt to enter the

engine, causing rapid engine wear.

WARNING

Honda GX Series Engine Shown

STOW CMS-6S CONCRETE MIXER — PARTS & OPERATION MANUAL — REV. #6 (12/22/06) — PAGE 15

STOW CMS-6S CONCRETE MIXER — HANDWHEEL ASSEMBLY

Assembly

The STOW CMS-6S concrete mixer is shipped with the

handwheel detached. Attach the handwheel to the mixer as

shown in Figure 4.

Figure 4. Handwheel Assembly

PAGE 16 — STOW CMS-6S CONCRETE MIXERS — PARTS & OPERATION MANUAL — REV. #6 (12/22/06)

STOW CMS-6S CONCRETE MIXER — TOWING GUIDELINES

To reduce the possibility of an accident while transporting

the mixer on public roads, always make sure that the mixer

towing components and the towing vehicle are in good

operating condition and both units are mechanically sound.

The following list of suggestions should be used when towing

the mixer:

CAUTION:CAUTION:

CAUTION:

Towing Safety Precautions

■

Check with your county or state safety

towing regulations department before

towing your

mixer

.

■

Make sure that the hitch and coupling of the towing vehicle

are rated equal to, or greater than the trailer "gross vehicle

weight rating" (GVWR).

■

ALWAYS inspect the hitch and coupling for wear. NEVER

tow the mixer with defective hitches, couplings, chains etc.

■

CHECK the tire air pressure on both the towing vehicle and

the trailer. Also check the tire tread wear on both vehicles.

■

ALWAYS make sure the mixer is equipped with a "Safety

Chain".

■

ALWAYS attach trailer's safety chain to the frame of towing

vehicle.

■

ALWAYS make sure that the towing vehicle's directional,

backup, and brake lights are working properly.

■

Remember in most cases the maximum speed unless

otherwise posted for highway towing is 45 MPH, however

before towing your mixer, check your local state, and county

vehicle towing requirements. Recommended off-road towing

is not to exceed 10 MPH or less depending on type of terrain.

■

Place

chocked blocks

underneath wheels to prevent

rolling,

while parked, if disconnected from towing vehicle.

■

Inflate tires to correct pressure, inspect tires for cuts, and

excessive wear. See Table 16 (Tire Wear Troubleshooting).

■

When towing of the mixer is required, place the drum in the

up position (mouth facing upwards).

■

ALWAYS make sure that the fuel valve lever is in the OFF

position (gasoline models only).

CAUTION:CAUTION:

CAUTION:

If the mixer tow bar is deformed or damaged

replace entire tow bar. NEVER tow the mixer

with a defective tow bar. There exist the

possibility of the trailer separating from the

towing vehicle.

Tow Bar to Vehicle Connection (Coupler Only)

1. Check the vehicle hitch ball, and mixer's coupler for

signs of wear or damage. Replace any parts that are

worn or damaged before towing.

2. Use only a 2-inch ball diameter (towing vehicle), this

will match the mixer's 2-inch coupler. Use of any other

ball diameter will create an extremely dangerous condition

which can result in separation of the coupler and ball or

ball failure.

3. After tow bar has been connected to mixer (see next

page), attach mixer's coupler to the hitch ball on the

towing vehicle securely and make sure the lock lever

is in the down position (locked).

Mixer Tow Bar Vehicle Connection (Pentile and Loop)

1. Make sure the bumper on the towing vehicle is equipped

to handle either a pentile or loop type tow bar

configuration.

2. After tow bar has been connected to mixer (see next

page), secure either type of tow bar to the towing vehicle,

following state and county towing regulations.

3. As a minimum, use a 1/2-inch bolt and nylock nut grade

5 when securing either tow bar to the towing vehicle,

■

Check wheel mounting lug nuts with a torque wrench.

Torque wheel lug nuts as described in the maintenance

section of this manual.

■

Check tightness of U-clamp nuts, torque suspension

hardware as referenced in the maintenance section of this

manual.

■

Avoid sudden stops and starts. This can cause skidding, or

jackknifing. Smooth, gradual starts and stops will improve

gas milage.

■

Avoid sharp turns to prevent rolling.

STOW CMS-6S CONCRETE MIXER — PARTS & OPERATION MANUAL — REV. #6 (12/22/06) — PAGE 17

STOW CMS-6S CONCRETE MIXER — SAFETY CHAIN CONNECTION

NEVER ! tow the mixer with the safety chain

removed. The safety chain is intended to

prevent complete separation of the mixer from

the towing vehicle in the event of a tow bar

failure.

CAUTION:CAUTION:

CAUTION:

Reference Figure 5 for the installation of the

Saftey Chain

.

Tow Bar to Mixer Connection

1. Insert the tow bar through the round opening at the

bottom of the mixer stand.

Align the hole on the tow bar with the hole on the mixer

frame, and insert 1/2-inch bolt through tow bar and frame.

Secure tow bar to frame with 1/2-inch nylock nut. Tighten

to 40 ft.-lbs.

2. Route the safety chain through the holes just above the

tow bar, located on each side of the mixer stand.

Loop the chain together and place under the tow bar.

Secure the loop with the connector link.

3. Extend the safety chain along the length of the tow bar,

looping it through the tow bar's connector link. Remove

any excess chain slack.

4. Connect the free end of (connector link) the safety chain

to the towing vehicle.

Remember it is critical that the

length of the chain be properly adjusted

, to prevent

the

draw bar

and the front of the mixer stand from

dropping to the the ground (contact) in the event the

draw bar becomes disconnected from the towing vehicle.

Figure 5. Tow Bar and Safety Chain Installation

PAGE 18 — STOW CMS-6S CONCRETE MIXERS — PARTS & OPERATION MANUAL — REV. #6 (12/22/06)

STOW CMS-6S CONCRETE MIXER — ELECTRIC MOTOR

Electric Motor

For maintenance care and operation of the electric motor, refer

to your electric motor instruction booklet furnished with the electric

motor.

Protect the electric motor from dust as much as possible and

keep ventilating openings clean.

The electric motor used in this mixer is a single-phase 1.5 HP

motor. The input voltage requirement for this motor is either 115

or 230 VAC only.

Electric Motor Connection

A 12 inch electrical cable (Figure 2) with a pigtail at one end is

provided with the electrical motor for hookup to a power source.

Table 1. shows the required NEMA connector for the desired

motor horsepower rating. In addition, Table 2 also shows the

matching NEMA approved connector for the required extension

cord.

ALWAYS

, make certain that the power source required for the

electric motor is

correct

and always use the correct NEMA

configuration plug.

Failure

to supply the correct voltage to the

motor can severely damage the motor.

The electric motor supplied with the mixer is configured from the

factory for 115 VAC grounded operation. Make certain that the correct

size grounded (3-wires) extension cord is used. See Table 5.

Motors can burn out when the line voltage falls 10% below the

voltage rating of the motor. Failure to use proper voltage will

cause the motor to overheat and actuate the overload switch.

If overload protection should actuate because of improper voltage

or any other malfunction, turn the main switch on the motor to the

"OFF" position and correct the problem, press the reset switch

button, and turn the main switch to the "ON" position.

CAUTION:

■

DO NOT spray water at any time on the

electric motor

.

■

DO NOT operate electric motor in a

explosive environment.

Electric Motor Voltage Change Switch

1.

ALWAYS

make certain the electric motor's ON/OFF switch

is in the "OFF" position and the power cord has been

disconnected from the power source.

2. Remove the voltage change lock-out bolt and nut

(Figure 6).

Change the position of the

voltage change toggle switch

from 115 VAC to 230 VAC. The mixer is factory wired for 115

VAC operation.

3. Re-install the voltage change lock-out bolt and nut.

NOTE

NEVER!

disable or disconnect the

ON/OFF switch on the electric motor.

It is provided for operator safety. Injury

may result if it is disable, disconnected

or improperly maintained.

Figure 6. Voltage Change Switch

4.

Important!,

when changing the input voltage to the electric

motor from 115 to 230 VAC, the

plug

on the electric motor

power cord must also be changed. See Table 6 and Figure 7.

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STOW CMS-6S CONCRETE MIXER — PARTS & OPERATION MANUAL — REV. #6 (12/22/06) — PAGE 19

Figure 7. Single Phase Electric Motor with 12 inch Pigtail Cable

STOW CMS-6S CONCRETE MIXER — ELECTRIC MOTOR

PAGE 20 — STOW CMS-6S CONCRETE MIXERS — PARTS & OPERATION MANUAL — REV. #6 (12/22/06)

STOW CMS-6S CONCRETE MIXER — PRE-INSPECTION (GAS ENGINE)

Figure 8. Engine Oil Dipstick (Removal)

3. Insert and remove the dipstick without screwing it into the

filler neck. Check the oil level shown on the dipstick.

4. If the engine oil level is low (Figure 9), fill to the edge of

the oil filler hole with the recommended oil type (Table 7).

See Table 2 for the oil capacity of your type engine.

Figure 9. Engine Oil Dipstick (Oil Level)

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Fuel Check

If your mixer has a gasoline engine, determine if the engine fuel

is low. If fuel is low, remove the fuel filler cap and fill with

unleaded

gasoline. Motor fuels are highly flammable and can be dangerous

if mishandled. DO NOT smoke while refueling. DO NOT attempt

to refuel the trowel if the engine is

hot!

or

running

.

1. Remove the gasoline cap located on top of fuel tank.

2. Visually inspect to see if fuel level is low. If fuel is low, replenish

with unleaded fuel.

3. When refueling, be sure to use a strainer for filtration. DO

NOT top-off fuel. Wipe up any spilled fuel.

V-belt Check

A worn or damaged V-belt can adversely affect the performance

of the mixer. If a V-belt is defective or worn simply replace the V-

belt as outlined in the maintenance section of this manual.

Blade Check

Check for worn blades. If using a steel tub and the blades are

worn, replace the entire tub assembly. Remember the blades

are welded to tub.

If using a plastic tub, replace the blades using the part numbers

referenced in the parts section of this manual.

Start/Stop Switches

This mixer has been equipped with a start/stop switches for both

the gasoline and electric motor mixers. These switches should be

tested every time the engine or motor is started.

Grease Fittings (Zerk)

Check the zerk grease fittings (Figure 27) as shown in the

maintenance section of this manual. These grease fittings lubricate

the

handwheel

and the

yoke mechanism

.

Explosive Fuel

Before Starting

1. Read safety instructions at the beginning of manual.

2. Clean the

mixer

, removing dirt and dust, particularly the

engine cooling air inlet, carburetor and air cleaner.

3. Check the air filter for dirt and dust. If air filter is dirty, replace

air filter with a new one as required.

4. Check carburetor for external dirt and dust. Clean with dry

compressed air.

5. Check fastening nuts and bolts for tightness.

Engine Oil Check

1. To check the engine oil level, place the mixer on

secure level ground with the engine stopped.

2. Remove the filler dipstick from the engine oil filler hole

(Figure 8) and wipe it clean.

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