Stow MS-63 User Manual
OPERATION AND PARTS MANUAL
MODEL MS-63
PLASTER AND MORTAR MIXER
(GASOLINE ENGINE/ELECTRIC MOTOR)
Revision #5 (03/26/10)
To find 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,
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.
Arsenicandchromiumfrom chemically
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.
PAGE 2 — STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10)
NOTES
STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10) — PAGE 3
STOW MS-63 PLASTER/MORTAR MIXER — TABLE OF CONTENTS
STOW MS-63 — Plaster/Mortar
Mixer
Proposition 65 Warning ................................................... 2
Table Of Contents ........................................................... 4
Parts Ordering Procedures ............................................. 5
Specifications ................................................................. 6
Dimensions ..................................................................... 7
Safety Messages Alert Symbols ................................. 8-9
Rules For Safe Operation ........................................ 10-11
Towing Guidelines ......................................................... 12
Safety Chain Connection .............................................. 13
Operation and Safey Decals ......................................... 14
General Information ...................................................... 15
Basic Mixer Components ............................................. 16
Basic Engine Components ........................................... 17
Electric Motor .......................................................... 18-19
Paddle Blade Adjustment ............................................. 20
Inspection ................................................................ 21-22
Start-up Procedures ................................................ 22-24
Operation and Shut-Down ............................................. 25
Maintenance (Engine) .............................................. 26-27
Maintenance (Mixer) ................................................ 28-32
Troubleshooting (Engine) ......................................... 33-34
Troubleshooting (Mixer/Electric Motor) ......................... 35
Electric Motor Wiring Diagram ...................................... 36
Explanation of Code In Remarks Column ..................... 38
Suggested Spare Parts ................................................ 39
Component Drawings
Nameplate and Decals ............................................ 40-41
Frame Assembly ..................................................... 42-43
Paddle Shaft Assembly ........................................... 44-45
Steel Drum Assembly ............................................. 46-47
Drum and Paddle Shaft Complete Assembly........... 48-49
Axle Assembly ........................................................ 50-51
Engine Assembly .................................................... 52-53
Electric Motor Assembly ......................................... 54-55
Cabinet Assembly ................................................... 56-57
HONDA GX160K1QMX2HX2
ENGINE
Air Cleaner Assembly .............................................. 58-59
Camshaft Assembly ................................................ 60-61
Carburetor Assembly ............................................... 62-63
Control Assembly .................................................... 64-65
Crankcase Cover Assembly .................................... 66-67
Crankshaft Assembly .............................................. 68-69
Cylinder Barrel Assembly ........................................ 70-71
Cylinder Head Assembly ......................................... 72-73
Fan Assembly ......................................................... 74-75
Flywheel Assembly ................................................. 76-77
Muffler Assembly .................................................... 78-79
Fuel Tank Assembly ................................................ 80-81
Ignition Coil Assembly ............................................. 82-83
Piston Assembly ..................................................... 84-85
Recoil Starter Assembly ......................................... 86-87
Gear Reduction Assembly ....................................... 88-89
Labels ...................................................................... 90-91
HONDA GX240K1HA2 ENGINE
Air Cleaner Assembly .............................................. 92-93
Camshaft Assembly ................................................ 94-95
Carburetor Assembly ............................................... 96-97
Control Assembly .................................................... 98-99
Crankcase Cover Assembly .................................100-101
Crankshaft Assembly ...........................................102-103
Cylinder Barrel Assembly .....................................104-105
Cylinder Head Assembly ...................................... 106-107
Fan Assembly ...................................................... 108-109
Flywheel Assembly .............................................. 110-111
Muffler Assembly ................................................. 112-113
Fuel Tank Assembly ............................................. 114-115
Ignition Coil Assembly ..........................................116-117
Piston Assembly .................................................. 118-119
Recoil Starter Assembly ...................................... 120-121
Gear Reduction Assembly ....................................122-123
Labels ................................................................... 124-125
Terms and Conditions of Sale — Parts ................ 126
Specifications and are
NOTE
PAGE 4 — STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10)
subject to change without
notice.
STOW MS-63 MIXER — PARTS ORDERING PROCEDURES
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
✓ Truck
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.
Here’s how to get help...
Please have the model and serial number
on hand when calling.
STOW MAIN OFFICE
18910 Wilmington Ave. 800-421-1244
FAX:
Carson, CA 90746
Email: stow@stowmfg.com
Internet: www.stowmfg.com
SALES DEPARTMENT
310-661-4242 Fax: 310-604-9237
877-289-7869 (877-BUY-STOW)
PARTS DEPARTMENT
800-427-1244
310-537-3700
SERVICE DEPARTMENT
800-478-1244
310-537-3700
TECHNICAL ASSISTANCE
800-478-1244
WARRANTY DEPARTMENT
800-421-1244,
310-537-3700,
EXT.
EXT.
279
279
310-537-3927
FAX:
800-672-7877
FAX:
310-637-3284
FAX:
310-537-4259
FAX:
310-631-5032
FAX:
310-537-1173
Place Your Parts Order Via Web or Fax
For Even More Savings!
(Domestic USA Dealers Only)
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
No other allowances on freight shipped by any other
carrier.
**Common nuts, bolts and washers (all items under $1.00
list price) do not count towards the 10+ line items.
NOTE: DISCOUNTS ARE SUBJECT TO CHANGE
at no charge for freight
STOW CONSTRUCTION EQUIPMENTSTOW CONSTRUCTION EQUIPMENT
STOW CONSTRUCTION EQUIPMENT
STOW CONSTRUCTION EQUIPMENTSTOW CONSTRUCTION EQUIPMENT
A DIVISION OF MULTIQUIP INC.
POST OFFICE BOX 6254 CARSON, CA 90749
888-252-STOW [888-252-7869] 310-537-3700
FAX: 310-537-1986 FAX: 800-556-1986
E-MAIL: stow@multiquip.com INTERNET: www.stowmfg.com
STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10) — PAGE 5
Direct TOLL-FREE access
to our Parts Department:
Toll-free nationwide — 800-427-1244
Toll-free FAX — 800-6-PARTS-7
(800/672-7877)
STOW MS-63 PLASTER/MORTAR MIXER — SPECIFICATIONS
SNOITACIFICEPSREXIM.1ELBAT
yticapaC)sretil871(tf.uc3.6
yticapaCgaBsgab2/1-2ot2/1-1
thgieW).gk062(.sbl475
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7
thgieHegrahcsiD).mc54.44(.ni5.71
evirDraeG/tleB-V
noitcApmuDlaunaM
)ROTOMCIRTCELE&ENIGNE(SNOITACIFICEPS.2ELBAT
ledoM2XH1K061XGADNOH2AH1K042XGADNOH203S922L53RODLAB
epyT
ekortSXeroB
tnemecalpsiDcc57.8cc18.41A/N
cirtcelE/enignE
rotoM
tuptuOxaMM.P.R0063/PH5.5.M.P.R0063/.P.H0.8MPR5271/.P.H5.
yticapaCknaTleuF
.ni56.1X.ni15.2
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snollaG159.
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A/N
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leuFenilosaGdedaelnUA/N
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dohteMgnitratStratSlioceRA/N
)HxWxL(snoi
.ni8.31X2.41x2.21
)mm533X263X213(
).gK51(.sbl33).gK52(.sbl1.55).gK01(.sbl22.xorppA
epyTthgiew-ylFlagufirtneCA/N
.ni1.61X9.61x0.41
)mm014X034X553(
NOTE
CliOebuLstnip3/1-2A/N
snemiD
thgieWteNyrD
In accordance with our established
policy of constant improvement, we
reserve the right to amend these
specifications at any time without
notice.
PAGE 6 — STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10)
.ni60.9X7.8x3.31
)mm032X022X833(
STOW MS-63 PLASTER/MORTAR MIXER — DIMENSIONS
SNOISNEMID.3ELBAT
noitpircseD)mc(.nisnoisnemiD
htgneL
)raBwoT/w(
)mc071(.ni76
htdiW)mc721(.ni05
thgieH)mc241(.ni65
STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10) — PAGE 7
Figure 1. Dimensions
STOW MS-63 MIXER — SAFETY MESSAGE ALERT SYMBOLS
FOR YOUR SAFETY AND THE SAFETY OF OTHERS!
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.
This Owner's Manual has been
developed to provide complete
instructions for the safe and efficient
NOTE
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,
operation of the STOW Model MS-63
mortar
and
plaster
mixer. Refer to the
engine manufacturers instructions for
data relative to its safe operation.
HAZARD SYMBOLS
Potential hazards associated with the operation of a
Plaster/Mortar Mixer
which appear throughout this manual, and will be referenced
in conjunction with Safety Message Alert Symbols.
Engine exhaust gases contain
poisonous carbon monoxide. This gas
is colorless and odorless, and can
cause death if inhaled. NEVER operate
this equipment in a confined area or
enclosed structure that does not provide
ample free flow air.
Gasoline is extremely flammable, and
its vapors can cause an explosion if
ignited. DO NOT start the engine near
spilled fuel or combustible fluids.
will be referenced with Hazard Symbols
Lethal Exhaust Gases
WARNINGWARNING
WARNING
WARNINGWARNING
WARNINGWARNING
WARNING
WARNINGWARNING
Lethal Exhaust Gas Hazards
Explosive Fuel Hazards
MS-63
DANGERDANGER
DANGER
DANGERDANGER
You WILL be
if you DO NOT follow these directions.
WARNINGWARNING
WARNING
WARNINGWARNING
You CAN be KILLED or
you DO NOT follow these directions.
CAUTICAUTI
CAUTION
CAUTICAUTI
You CAN be
these directions.
KILLED
INJURED
if you DO NOT follow
or
SERIOUSLY INJURED
SERIOUSLY INJURED
if
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 approved containers, in
well-ventilated areas and away from sparks and flames.
WARNINGWARNING
WARNING
WARNINGWARNING
Engine components can generate extreme
heat. To prevent burns, DO NOT touch
these areas while the engine is running or
immediately after operations. Never
operate the engine with heat shields or heat
guards removed.
WARNINGWARNING
WARNING
WARNINGWARNING
ALWAYS wear approved
protection when required.
Burn Hazards
Respiratory Hazards
respiratory
PAGE 8 — STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10)
STOW MS-63 MIXER — SAFETY MESSAGE ALERT SYMBOLS
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
NEVER operate equipment with covers,
or guards removed. Keep fingers, hands,
hair and clothing away from all moving
parts to prevent injury.
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
ALWAYS disconnect the electrical power
cord from the electric motor when the mixer
is not in use and place the ON/OFF switch
in the OFF position.
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
ALWAYS wear approved eye and
hearing protection.
Rotating Parts Hazards
Accidental Starting Hazards
Eye and Hearing Hazards
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
Other important messages are provided throughout this
manual to help prevent damage to your light tower, other
property, or the surrounding environment.
Equipment Damage
Hazards
STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10) — PAGE 9
STOW MS-63 PLASTER/MORTAR MIXER — RULES FOR SAFE OPERATION
■
DANGERDANGER
DANGER
DANGERDANGER
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.
Read this manual!
NEVER touch the hot exhaust
manifold, muffler or cylinder. Allow
these parts to cool before servicing
engine or mixer.
The following safety guidelines should always be used when
operating the STOW MS-63 mortar and plaster mixer:
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 of
drugs
or
alcohol
■
ALWAYS wear proper respiratory (mask),
hearing and eye protection equipment when
operating the mixer.
■
NEVER place hands inside the drum while the blades
are rotating.
■
Whenever necessary, replace nameplate, operation and
safety decals when they become difficult read.
■
Manufacture does not assume responsibility for any
accident due to equipment modifications.
■
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.
.
■
High Temperatures – Allow the engine to cool before
adding fuel or performing service and maintenance
functions. Contact with
serious burns.
■
The engine section of this mixer requires an adequate
free flow of cooling air.
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.
Remember the mixer's engine
gives off
■
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
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
harm or even death.
■
Topping-off to filler port is dangerous, as it tends to spill
fuel.
■
Stop the engine when leaving the mixer unattended.
■
Block the unit when leaving or when using on a slope.
■
Maintain this equipment in a safe operating condition at
all times.
NEVER! start the engine or engage the paddle arms
when the drum is in the discharge (down) position.
DEADLY
WARNINGWARNING
WARNING
WARNINGWARNING
carbon monoxide gas.
smoke
hot!
components can cause
NEVER
around or near the
operate the mixer in any
bodily
Starting the Mixer Engine
PAGE 10 — STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10)
STOW MS-63 PLASTER/MORTAR MIXER — RULES FOR SAFE OPERATION
■
ALWAYS stop the engine before servicing, adding fuel
and oil.
■
NEVER run engine without air filter. Severe engine may
occur.
■
ALWAYS service air cleaner frequently to prevent
carburetor malfunction.
■
ALWAYS check the machine for loosened threads or bolts
before starting.
■
ALWAYS be sure the operator is familiar with proper safety
precautions and operations techniques before using mixer.
■
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.
■
DO NOT operate this equipment unless all guards and
safety devices are attached and in place.
■
CAUTION must be exercised while servicing this
equipment. Rotating and moving parts can cause injury
if contacted.
■
When towing, an adequate safety chain must be fastened
to the frame. See Towing Guidelines section in this manual.
■
Keep all
from the equipment at all times.
■
Unauthorized equipment modifications will void all
warranties.
■
Check all fasteners periodically for tightness. Also check
towing tongue bolt, lock nut and wheel lug nuts for wear.
■
Stop the engine and disconnect the spark plug before
allowing anybody’s hands in the mixing drum.
■
NEVER pour or spray water over the engine or electric
motor.
Always stand clear of the dump handle when the mixer
is in operation. Any binding of material between the mixer
blades and the drum will cause the drum handle to quickly
move and could cause bodily harm.
inexperienced
WARNINGWARNING
WARNING
WARNINGWARNING
and
unauthorized
Stand Clear of the
Mixer when in use
people away
TRANSPORTING
■
■
■
MAINTENANCE
■
■
■
■
■
■
EMERGENCIES
■
ALWAYS know the location of the nearest
extinguisher
■
In emergencies
nearest phone or
Also know the phone numbers of the nearest
ambulance, doctor
information will be invaluable in the case of an
emergency.
ALWAYS shutdown engine before transporting.
Tighten fuel tank cap securely and close fuel cock to
prevent fuel from spilling.
Drain fuel when transporting mixer over long distances
or bad roads.
NEVER lubricate components or attempt service on a
running mixer.
ALWAYS allow the mixer a proper amount of time to
cool before servicing.
Keep the mixer in proper running condition.
Fix damage to the mixer immediately and always replace
broken parts.
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.
fire
and first aid kit.
always
know the location of the
keep a phone on the job site
and
fire department
.
. This
■
Depending on type of mixer, test the
either the gasoline engine or electric motor before operating.
The purpose of these switches is to shut down the engine
or motor of the mixer.
■
Refer to the
technical questions or information recommended by
Multiquip for this equipment. Damage to the equipment
and/or injury to user may result.
HONDA Engine Owner's Manual
STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10) — PAGE 11
ON/OFF
switch for
for engine
STOW MS-63 PLASTER/MORTAR MIXER — TOWING GUIDELINES
Towing Safety Precautions
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
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:
■
Check with your county or state safety towing regulations
department before towing your
■
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 55 MPH, however
before towing your mixer, check your local state, and
county vehicle towing requirements. Recommended offroad towing is not to exceed 10 or 15 MPH or less
depending on type of terrain.
■
Place
chocked blocks
rolling,
vehicle.
■
Inflate tires to correct pressure, inspect tires for cuts,
and excessive wear. See Table 9 (Tire Wear Troubleshooting).
■
When towing of the mixer is required, place the drum in
the up position (mouth facing upwards) and lock the drum
latch.
while parked, if disconnected from towing
Regularly Inspect
Towing Components
mixer
.
underneath wheels to prevent
■
ALWAYS make sure that the fuel valve lever is in the
OFF position (gasoline models only).
■
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.
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.
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
If the mixer tow bar is deformed or damaged, replace the
entire
tow bar. NEVER tow the mixer with a defective
tow bar. There exists the possibility of the mixer separating
from the towing vehicle.
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 (Pintle and Loop)
1. Make sure the bumper on the towing vehicle is equipped
to handle either a pintle 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 the tow bar to the towing vehicle and to
the unit being towed.
Replacing
Towing Components
PAGE 12 — STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10)
STOW MS-63 PLASTER/MORTAR MIXER — SAFETY CHAIN CONNECTION
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
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.
Reference Figure 2 for the installation of the
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.
Always Tow with
a Safety Chain
safety chain
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 (clevis safety hook) the safety
chain to the towing vehicle. Remember it is critical that
the length of the chain be properly adjusted, to prevent
the
dropping to the the ground (contact) in the event the
draw bar becomes disconnected from the towing vehicle.
DO NOT tow the mixer unless the mixing drum is
completely empty. ALWAYS
pin is fully engaged to the
stop block. This will keep the drum from rotating.
draw bar
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
and the front of the mixer stand from
Drum Saftey
when Towing
make sure the drum latch
right
(Figure 3) of the drum
Figure 2. Tow Bar and Safety Chain Installation
STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10) — PAGE 13
Figure 3. Drum Latch Pin
(Tow or Locked Position)
MS-63 PLASTER/MORTAR MIXER — OPERATION AND SAFETY DECALS
Machine Safety Decals
The STOW MS-63 mortar and plaster mixer is equipped with a number of safety decals. These decals are provided for operator
safety and maintenance information. Figure 4 below illustrates these decals as they appear on the machine. Should any of these
decals become unreadable, replacements can be obtained from your dealer.
Figure 4. Mixer Operation and Safety Decals
PAGE 14 — STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10)
STOW MS-63 PLASTER/MORTAR MIXER — GENERAL INFORMATION
Application
The STOW MS-63 series mixers (drum capacity of 7.0 cu. ft./198
liters) are shipped completely assembled and have been factory
tested and are ready for use.
This mixer is
and
mortar
and is not suitable for the mixing of
substances. The mixer
only
intended for the production of
plaster
. The mixer must be used for its intended purpose
flammable
must not be used
or
explosive
in an explosive
atmosphere. This mixer has a batch capacity between 2-1/2
and 3-1/2 bags.
Power Plants
Ensure that the extension cable is carefully laid out avoiding
wet areas, sharp edges
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 extension cable immediately.
Hardware
Check all hardware on the mixer before starting. Periodically
inspect all hardware. Loose hardware can contribute to early
The STOW
either a Honda GX240K1HA2 or GX160K1QMX2HX2 aircooled, 4-stroke gasoline engine or a 1.5 HP electric motor.
Refer to Table 2 for specific engine or electric motor data
plaster
and
mortar
mixer can be powered by
component failure and poor performance. Use Table 4 as
general guideline when torqueing of mixer hardware is
required. Remember to keep all mixer hardware components
tight.
information.
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
is in the
It is
OFF
position before applying power.
strongly recommended
power cord into a receptacle, that a G.F.C.I. (
Current Interrupter
applications).
Extension Cables
The extension cable should be a 3-wire configuration that
OFF/ON
switch on the electric motor
when inserting the mixer's
Ground Fault
) receptacle be used (115 VAC
Engine Maintenance
For basic engine maintenance, refer to the engine
maintenance section in this manual. For a more detailed
engine maintenance, refer to the
manual furnished with the engine.
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 capacity as referenced in Table 6. Remember
cable distance
affects the
current-voltage capacity of the extension cable.
and locations where vehicles
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STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10) — PAGE 15
STOW MS-63 PLASTER/MORTAR MIXER — BASIC MIXER COMPONENTS
8. Mixing Paddles — Used in the mixing of material. This
unit uses four different types of paddles to provide a fast
uniform mix.
9. Bag Cutter— This feature allows compound mixing bags
to be opened easily, therefore allowing the contents of the
bag to fall directly into the mixing drum.
10. Safety Grill — Provided for operator safety. This safety
grill is designed to keep hands and solid objects out of the
mixing drum when in use. This grill should be closed at all
times when mixer is in use. DO NOT remove the grill or
grill opening bar. Keep the grill clean by washing it down
daily.
11. Dump Handle — Pull this handle downward to dump the
contents of the drum. Push the handle upward to return
the drum to its vertical position.
12. Safety Grill Lock Handle — To prevent injury to hands
Figure 5. Mixer Components
Figure 5 illustrates the basic components and controls of
the STOW MS-63 mixer
1. Tires Ply — The tire ply (layers) number is rated in letters;
This mixer uses 13-inch 4-ply tires.
2. Engine Cover — Lift this cover to gain access to the engine
compartment.
3. Belt Slip Lever — When starting this lever should be
move upward and to the left. For mixing place the lever in
the down position. See attached decal located adjacent to
lever.
4. ON/OFF Switch (electric) — This switch is provided on
mixers with electric motors. To gain access to this switch,
lift the engine cover. When activated it will shut down the
electric motor.
5. ON/OFF Switch (gasoline) — This switch is provided on
mixers with gasoline
side of the engine cover. When activated it will shut down
the engine.
6. Latch — Use this latch to secure the engine compartment
cabinet.
7. Drum Bearing — There is on each end of the mixing
drum, a sealed bearing. Bearings are packed and sealed
at the factory and require no further maintenance.
engines only and is located on the
and arms, the safety grill should ALWAYS be locked when
the mixing of plaster or mortar is required. Also when
transporting the mixer the safety grill should be locked.
The safety grill should only be un-locked when cleaning
of the blades and drum is required.
13. Pivot Point/Zerk Fitting — There is, on each end of the
mixing drum a zerk grease fitting. These fittings lubricate
the dumping mechanism. Lubricate both fittings at least
twice a week.
14. Dump Handle Release Pin — Pull this pin outward
(spring loaded) to release the drum, then pull down on the
dump handle to place the drum in the dump position. When
drum is in dump position, pin will automatically lock drum.
15. Steel Mixing Drum — Mixing materials such as mortar,
plaster are to be placed into this drum for mixing. Always
clean the drum after each use.
16. Tow Bar/Coupler — This mixer uses a 2-inch coupler or
pintle towbar.
17. Safety Chain — This mixer uses a 3/16-inch thick, 72-
inches long zinc-plated saftey chain.
the safety chain when towing.
18. Forklift Pockets – When lifting of the mixer is required,
ALWAYS
connect
use these fork lift pockets to lift the mixer. Remember
to insert the forks of the forklift a minimum of 24 inches
into the lift pockets.
19. Chock Blocks — Place these blocks (not included as
part of the mixer package) under each mixer wheel to
prevent rolling.
PAGE 16 — STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10)
STOW MS-63 PLASTER/MORTAR MIXER — BASIC ENGINE COMPONENTS
Figure 6. Engine Controls and Components
INITIAL SERVICING
The engine (Figure 6) 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.
DANGERDANGER
DANGER
DANGERDANGER
Adding fuel to the tank should be done 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
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.
SLOW
Explosive
Fuel Hazard
, lever back toward operator
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.
NOTE
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.
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.
10. Fuel Tank – Holds unleaded gasoline. For additional
information refer to engine owner's manual.
WARNINGWARNING
WARNING
WARNINGWARNING
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.
Burn Hazard
STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10) — PAGE 17
STOW MS-63 PLASTER/MORTAR MIXER — ELECTRIC MOTOR
Electric Motor
For maintenance care and operation of the electric motor,
refer to your electric motor instruction booklet furnished with
the motor.
Protect the electric motor from dust as much as possible
and keep ventilating openings clean.
Electric Motor
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
DO NOT spray water at any time on the
Safety
electric motor
.
DO NOT operate electric motor in a explosive environment.
The electric motor used in this mixer is a single-phase 3
HP motor. The input voltage requirement for this motor is
115/230 VAC, and has been pre-set to 230VAC.
Electric Motor Connection
A 12-inch electrical cable (Figure 7) is provided with the
electrical motor for hookup to a power source. Table 5 shows
the required NEMA connector for the desired motor
horsepower rating. In addition, Table 5 also shows the
matching NEMA approved connector for the required
extension cord.
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CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
ALWAYS
for the electric motor is
NEMA configuration plug.
make certain that the power source required
correct
Failure
Connections
and always use the correct
to supply the correct
voltage to the motor can severely damage the motor.
Electric Motor
It is strongly recommended that all
NOTE
Special attention should be given to the electric switch as well
as the over-and-under voltage protection devices as per
regulations set forth in the local electrical safety code handbook
electrical wiring be done by a
electrician
.
licensed
Figure 7. Single Phase Electric Motor With
12-inch Pigtail
PAGE 18 — STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10)
STOW MS-63 PLASTER/MORTAR MIXER — ELECTRIC MOTOR
The motor supplied is wired for 115 VAC grounded operation.
Make certain that the correct size grounded (3-wires) extension
cord is used. See Table 6.
Motors can burn out when the line voltage falls 10% below the
voltage rating of the motor. Failure to use proper voltage will
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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.
Electric Motor Voltage Switch
1.
ALWAYS
make certain the motor switch is "OFF" and the
power cord has been disconnected from the power source.
2. Remove the voltage lock-out bolt
position of the
voltage change toggle switch
(Figure 7). Change the
from 115
VAC to 230 VAC. The mixer is factory wired for 115 VAC
operation.
3. Replace the voltage lock-out bolt.
4.
Important!,
from 115 to 230 VAC, the
when changing the input voltage to the motor
plug
on the motor power cord
must also be changed. See Table 5.
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STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10) — PAGE 19
STOW MS-63 — PADDLE BLADE ADJUSTMENT (STEEL DRUM)
Adjust paddles as shown in Figure 8.
Figure 8. Paddle Blade Adjustment, Steel Drum
PAGE 20 — STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10)
STOW MS-63 PLASTER/MORTAR MIXER — INSPECTION
Before Starting
1. Read
2. Clean the
3. Check the air filter for dirt and dust. If air filter is dirty,
4. Check carburetor for external dirt and dust. Clean with
5. Check fastening nuts and bolts for tightness.
ALWAYS wear approved eye and
hearing protection before operating
the mixer.
NEVER place hands or feet inside the
engine guard cover while the engine is
running. ALWAYS shut the engine down
before performing any kind of maintenance
service on the mixer.
all safety instructions
mixer
, removing dirt and dust, particularly the
engine cooling air inlet, carburetor and air cleaner.
replace air filter with a new one as required.
dry compressed air.
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
at the beginning of manual.
Eyesight and Hearing
Protection
Inspection &
Maintenance Saftey
3. Insert and remove the dipstick without screwing it into the filler
neck. Check the oil level shown on the dipstick.
4. If the oil level is low (Figure 10), fill to the edge of the oil filler
hole with the recommended oil type (Table 7). Maximum oil
capacity is 2.33 qts. (1.09 liters)
NOTE
Figure 10. Engine Oil Dipstick (Oil Level)
Reference manufacturer engine
manual for specific servicing
instructions.
epyTliO.7elbaT
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 9) and wipe it clean.
Figure 9. Engine Oil Dipstick (Removal)
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STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10) — PAGE 21
STOW MS-63 PLASTER/MORTAR MIXER — INSPECTION
Fuel Check
DANGERDANGER
DANGER
DANGERDANGER
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
fuels are highly flammable and can be
dangerous if mishandled. DO NOT smoke
while refueling. DO NOT attempt to refuel
the mixer if the engine is
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.
NEVER!
provided for operator safety. Injury may result if it is disable,
disconnected or improperly maintained.
unleaded
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
disable or disconnect the start/stop switch. It is
gasoline. Motor
hot! or running
Explosive Fuel
Hazard
.
Start/Stop Switch
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 or paddle blades. Make sure that all blades
are adjusted properly. See blade adjustment procedure in
this manual. Replace all defective or damaged blades
immediately.
Controls
Start/Stop Switches
This mixer has been equipped with a start/stop switch for
both the gasoline and electric motor mixers. These switches
should be tested every time the engine or electric motor is
started.
Grease Fittings (Dumping Mechanism)
Check the zerk grease fittings at each end of the mixing
drum. These grease fittings lubricate the dumping
mechanism. If the dumping handle is stiff or hard to move
lubricate these fittings.
PAGE 22 — STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10)
STOW MS-63 PLASTER/MORTAR MIXER — START-UP PROCEDURES
This section is intended to assist the operator with
the initial start-up of the STOW MS-63H (gasoline
engine) or STOW MS-63E (electric motor) mixer. It
is extremely important that this section be read
carefully before attempting to use the mixer in the
field.
DO NOT use your mixer until this section is thoroughly
understood.
WARNINGWARNING
WARNING
WARNINGWARNING
Failure to understand the operation of the STOW MS-63
series mixers could result in
or
personal injury
See Figures 5 and 6 for the location of any control
referenced in this manual.
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
.
NEVER operate the mixer in a confined
area or enclosed area structure that
does not provide ample
General Safety
severe damage
Respiratory Hazard
to the mixer
free flow of air
2. To start a cold engine, move the choke lever (Figure 12) to
the CLOSED position.
3. Move the throttle lever (Figure 13) away from the slow
position, about 1/3 of the way toward the fast position.
.
Figure 12. Choke Lever
Starting (gasoline only)
The following steps outline the procedure for starting the engine.
Depending on the type of engine employed in the mixer the
steps may vary slightly. If your mixer has an electric motor
disregard this section.
1. Move the fuel shut-off lever (Figure 11) to the ON position.
Figure 11. Fuel Shut-OFF Lever
Figure 13. Throttle Lever
STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10) — PAGE 23
MS-63 PLASTER/MORTAR MIXER —
START-UP PROCEDURES
4. Turn the engine switch (Figure 14) to the ON position.
Figure 14. Engine ON/OFF Switch
5. The main
(Figure 15) is used to start and stop the engine. Pull this
switch outward to start the engine.
start/stop
switch located on the engine cover is
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
Make certain the
to the RIGHT (when viewing the mixer from the tow-pole
end) of the drum stop block which is welded to the front side
of the drum. Also make sure lock pin is fully engaged (locked).
This will prevent the drum from tipping.
drum lock pin
Figure 17. Drum Lock Pin (Side-View)
Preventing Drum Tipping
(Figures 17 and 18) is placed
Figure 15. Start/Stop Switch (gasoline engine)
6. Place the
(disengaged) position.
belt slip lever
Figure 16. Belt Slip Lever
PAGE 24 — STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10)
(Start/Stop Position)
(Figure 16) in the
START/STOP
Figure 18. Drum Lock Pin (Right Position)
7. Pull the
resistance, then pull briskly. Return the starter grip gently.
starter grip
Figure 19. Starter Grip
(Figure 19) lightly until you feel
STOW MS-63 PLASTER/MORTAR MIXER — OPERATION/SHUT-DOWN
mix
8. Place the belt slip lever (Figure 20) in the
This will tilt the engine placing tension on the V-belts
enabling the shaft to rotate.
Figure 20. Belt Slip Lever (Mix Position)
Starting (electric only)
1. Using an adequate size extension cord (see Table 5),
connect one end of the extension cord to the plug on the
electric motor, connect the other end to the power source.
Make sure the motor is configured for the proper operating
voltage.
2. Set the electric motor's ON/OFF switch (Figure 7) to the
ON position.
Mixing Dumping
1. The paddle shaft inside the drum should be rotating at this
time.
2. Add a small amount water to the mixing drum.
3. Lift the mixing bag compound onto the steel safety grate
over the bag cutter and let the contents fall into the drum.
Add more water if desired and mix compound to desired
consistency.
4. When charging, mixing, or dumping a batch of plaster or
mortar the
(when viewing the mixer from the towpole end) of the drum
stop block which is welded to the front side of the drum.
See Figure 21.
This will allow the operator to use both hands on the drum
handle during dumping. Please note that when the lock pin
is placed to the left, the drum will be maintained in the
vertical position as the paddles rotate. To discharge the
material the operator should hold the dump handle with
both hands
amount of material.
drum lock pin
and rotate the drum to discharge the desired
should be placed to the
position.
left
Be sure to stand clear of the
when the mixer is operational. Any binding of material between
the mixer blades and the drum will cause the drum handle to
move to the discharge position and could cause bodily harm.
STOPPING THE MIXER (gasoline engine)
1. Place the
20).
2. Push the main
the engine.
Tu r n t he fuel shut-off valve to the OFF position.
3.
4. Disconnect the spark plug.
5. Clean mixer as referenced in the maintance section of this
manual.
STOPPING THE MIXER (electric motor)
1. Place the electric motor's
OFF position.
2. Disconnect the electric motor's extension cord from its
power source.
3. Clean mixer as referenced in the maintance section of this
manual.
WARNINGWARNING
WARNING
WARNINGWARNING
Figure 22. Stand Clear of Dump Handle
belt slip lever
start/stop
Dump Handle Safety
dump handle
in the
start/stop
switch (Figure 15) inward to stop
ON/OFF
switch (Figure 4) in the
(Figure 22)
position (Figure
Figure 21. Drum Lock Pin (Left Position)
STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10) — PAGE 25
STOW MS-63 PLASTER/MORTAR MIXER — MAINTENANCE (ENGINE)
Use Table 8 as a general maintenance guideline when servicing
your engine. For more detail engine maintenance information,
refer to the engine owner's manual supplied with your engine.
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PAGE 26 — STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10)
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STOW MS-63 PLASTER/MORTAR MIXER — MAINTENANCE (ENGINE)
Maintenance
Perform the scheduled maintenance procedures as defined by
Table 8 and below:
DAILY
■
Thoroughly remove dirt and oil from the engine and control
area. Clean or replace the air cleaner elements as necessary.
Check and retighten all fasteners as necessary. Check the
gearbox for oil leaks. Repair or replace as needed.
WEEKLY
■
Remove the fuel filter cap and clean the inside of the fuel
tank.
■
Remove or clean the filter at the bottom of the tank.
■
Remove and clean the spark plug (Figure 23), then adjust
the spark gap to 0.024 ~0.028 inch (0.6~0.7 mm). This unit
has electronic ignition, which requires no adjustments.
ENGINE AIR CLEANER
1. Remove the air cleaner cover and foam filter element as
2. Tap the paper filter element (Figure 25) several times on a
3. Clean foam element in warm, soapy water or nonflammable
shown in Figure 25.
hard surface to remove dirt, or blow compressed air [not
exceeding 30 psi (207 kPa, 2.1 kgf/cm
element from the air cleaner case side.
Brushing will force dirt into the fibers. Replace the paper filter
element if it is excessively dirty.
solvent. Rinse and dry thoroughly. Dip the element in clean
engine oil and completely squeeze out the excess oil from the
element before installing.
DANGERDANGER
DANGER
DANGERDANGER
Explosive
2
)] through the filter
NEVER
brush off dirt.
Hazard
DO NOT use gasoline as a cleaning
solvent, because that would create a risk of
fire or explosion.
Figure 23. Spark Plug Gap
ENGINE OIL
warm
1. Drain the engine oil when the oil is
Figure 24.
2. Remove the oil drain bolt and sealing washer and allow
the oil to drain into a suitable container.
3. Replace engine oil with recommended type oil as listed
in Table 7. For engine oil capacity, see Table 2 (engine
specifications). DO NOT overfill.
4. Install drain bolt with sealing washer and tighten securely.
as shown in
Figure 25. Engine Air Cleaner
Figure 24. Engine Oil (Draining)
STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10) — PAGE 27
STOW MS-63 PLASTER/MORTAR MIXER — MAINTENANCE (MIXER)
Ball Socket and Clamp Face Maintenance
1. If the towing vechicle is equipped with a ball socket, smear
socket periodically with multi-purpose grease.
the ball socket well lubricated.
2. Periodically oil
coupler with SAE 30 WT. motor oil.
3. When parking or storing your mixer. Keep the coupler off
the ground so dirt will not build up in the ball socket.
Drum Head Seals
There is 1 set of drum head seals (Figure 26) that will require
lubrication. Lubricate the grease fitting for each drum seal
every 40 hours of operation
grease. Apply grease until visible inside of mixing drum (over
grease). This will purge seal system of contamination.
pivot points
and
using any grade lithium base
clamp face
This will keep
surfaces of
Failure
periodically will cause the dumping mechanism to stiffen,
making the mixing drum hard to dump.
Countershaft Bearing Lubrication
There is 1 set of countershaft bearings (Figure 28) that will
require lubrication. Lubricate the grease fitting for each
countershaft bearing
any grade lithium base grease.
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
to lubricate the drum bearing grease fittings
every 40 hours of operation
Lubricating the
Grease Fittings
using
Wheel Bearings
1. After every 3 months of operation, remove the hub dust cap
and inspect the wheel bearings (Figure 29). Once a year,
Figure 26. Grease Fittings (Drum Head Seals)
Drum Bearing Bracket Lubrication
There is 1 set of drum bearing brackets (Figure 27) that will
require lubrication. These brackets are intended to make
the drum rotate freely. Lubricate the grease fitting for each
drum bearing bracket
becomes difficult to position
grease.
every month or when the drum
using multi-purpose grade
or when required, disassemble the wheel hubs remove
the old grease and repack the bearings forcing grease
between rollers, cone and cage with a good grade of high
speed wheel bearing grease (
than 265 A.S.T.M. penetration (“No. 2.”)
Figure 28. Grease Fittings (Countershaft)
never
use grease heavier
Figure 29. Wheel Hub and Bearings
Figure 27. Grease Fittings (Dumping Mechanism)
PAGE 28 — STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10)
STOW MS-63 PLASTER/MORTAR MIXER — MAINTENANCE (MIXER)
2. Fill the wheel hub (Figure 28) with grease to the inside
diameter of the outer races and also fill the hub grease cap.
Reassemble the hub and mount the wheel. Then tighten
the adjusting nut, at the same time turn the wheel in both
directions, until there is a slight bind to be sure all the
bearing surfaces are in contact.
Then back-off the adjusting nut 1/6 to 1/4 turn or to the
nearest locking hole or sufficiently to allow the wheel to
rotate freely within limits of .001" to .010" end play. Lock the
nut at this position. Install the cotter pin and dust cap, and
tighten all hardware.
MAIN GEAR AND DRIVE PINION ALIGNMENT
1.
Disconnect the spark plug wire
mixer is equipped with an electric motor
cord from AC power receptacle
the clutch engagement lever is
belt tension.
2. The countershaft and drive pinion are mounted on a slotted
base. To align drive pinion with main gear, loosen the pillow
block mounting bolts and move them until the necessary
alignment has been made. Remember gears must be
paralleled aligned not skewed.
3. Using your hand, slightly move (rock) the drive pulley back
and forth to determine the amount of backlash. Insert feeler
gauge between gears to determine backlash distance.
Backlash should range between 0.007- 0.012 inches
(Figure 30).
(gasoline engines). If
remove power
. In addition make sure
dis-engaged
to relieve V-
INSPECT TOOTH CONTACT BETWEEN MAIN GEAR AND
DRIVE PINION
1. Coat 3 or 4 teeth at 3 different positions on the main gear
with yellow paint.
2. Rotate the drive pulley in both directions.
3. Inspect the tooth pattern.
4. If gear teeth are not contacting properly (Figure 31), adjust
pillow block to correct the problem.
GEAR LUBRICATION
The surface of the pinion and main gear (Figure 32) should be
very lightly greased.
Figure 31. Gear Teeth Alignment
Figure 30. Drive Pinion and Main Gear (Backlash)
STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10) — PAGE 29
Grease main and pinion gears
NOTE
250 hours of operation
every
IMPORTANT! avoid over-
.
greasing. Excess grease will
accumulate contaminates and
cause premature wear.
Figure 32. Pinion and Bull Gear Lubrication
STOW MS-63 PLASTER/MORTAR MIXER — MAINTENANCE (MIXER)
Grease Fittings (Zerk) Maintenance (Electric Motor)
1. There are two grease (Figure 33) fittings at each end of the
electric motor that will require lubrication. Lubricate these
about
fittings
2. Use Poleyrex EM (Exxon Mobil) or equalivant lubricant.
Clean grease fitting, apply grease gun to fitting (1/2 shot).
Remember too much grease or injecting grease too quickly
can cause premature bearing failure. Slowly apply the
recommended amount of grease, taking a miniute or so to
apply.
Figure 33. Grease Fittings Electric Motor
Tires/Wheels/Lug Nuts
every 16 months.
Tires Wear/Inflation
Tire inflation pressure is the most important factor in tire
life. Pressure should be checked cold before operation. DO
NOT bleed air from tires when they are hot. Check inflation
pressure weekly during use to insure maximum tire life and
tread wear.
ALWAYS
removing or installing force fitted
parts. Failure to comply may result in
serious injury.
Table 9 (Tire Wear Troubleshooting) will help pinpoint the
causes and solutions of tire wear problems.
WARNINGWARNING
WARNING
WARNINGWARNING
wear safety glasses when
Eyesight Hazard
Tires and wheels are a very important and critical components of the trailer. When specifying or replacing the trailer
wheels it is important the wheels, tires, and axle are properly matched.
WARNINGWARNING
WARNING
WARNINGWARNING
DO NOT attempt to repair or modify a
wheel. DO NOT install an inter-tube to
correct a leak through the rim. If the
rim is cracked, the air pressure in the
inter-tube may cause pieces of the rim to explode (breakoff) with great force and can cause serious eye or bodily
injury.
Damaged Wheels
PAGE 30 — STOW MS-63 MIXER — OPERATION AND PARTS MANUAL — REV. #5 (03/26/10)
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