Stow STR46SP User Manual
OPERATION AND PARTS MANUAL
STR46SP
RIDE-ON POWER TROWEL
Revision #1 (08/01/06)
THIS MANUAL MUST ACCOMPANY
THE EQUIPMENT AT ALL TIMES.
To find the latest revision of this
publication, visit our website at:
www.multiquip.com
P/N 21826
WARNING
SILICOSIS WARNING RESPIRATORY HAZARDS
Grinding/cutting/drilling of masonry, concrete, metal and
other materials with silica in their composition may give
off dust or mists containing crystalline silica. Silica is a
basic component of sand, quartz, brick clay, granite and
numerous other minerals and rocks. Repeated and/or
substantial inhalation of airborne crystalline silica can
cause serious or fatal respiratory diseases, including
silicosis. In addition, California and some other
authorities have listed respirable crystalline silica as a
substance known to cause cancer. When cutting such
materials, always follow the respiratory precautions
mentioned above.
WARNING
Grinding/cutting/drilling of masonry, concrete, metal and
other materials can generate dust, mists and fumes
containing chemicals known to cause serious or fatal
injury or illness, such as respiratory disease, cancer,
birth defects or other reproductive harm. If you are
unfamiliar with the risks associated with the particular
process and/or material being cut or the composition of
the tool being used, review the material safety data
sheet and/or consult your employer, the material
manufacturer/supplier, governmental agencies such as
OSHA and NIOSH and other sources on hazardous
materials. California and some other authorities, for
instance, have published lists of substances known to
cause cancer, reproductive toxicity, or other harmful
effects.
Control dust, mist and fumes at the source where
possible. In this regard use good work practices and
follow the recommendations of the manufacturers or
suppliers, OSHA/NIOSH, and occupational and trade
associations. Water should be used for dust
suppression when wet cutting is feasible. When the
hazards from inhalation of dust, mists and fumes cannot
be eliminated, the operator and any bystanders should
always wear a respirator approved by NIOSH/MSHA for
the materials being used.
STR46SP • RIDE-ON POWER TROWEL — OPERATION MANUAL — REV. #1 (08/01/06) — PAGE 3
STR46SP — TABLE OF CONTENTS
Proposition 65 Warning ............................................. 2
Respiratory/Silicosis Warnings .................................. 3
Table of Contents ...................................................... 4
Parts Ordering Procedures ....................................... 5
Training Checklist ...................................................... 6
Daily Pre-Operation Checklist ................................... 7
Safety Message Alert Symbols .............................. 8-9
Rules For Safe Operation .................................. 10-13
STOW — STR46SP RIDE-ON
POWER TROWEL
Operation And Safety Decals .................................. 14
Specifications .......................................................... 15
Engine Specifications .............................................. 16
General Information ................................................ 17
Controls and Indicators ...................................... 18-19
Basic Engine ........................................................... 20
New Machine Setup Instructions ............................ 21
Initial Start-Up ......................................................... 22
Operation ........................................................... 23-24
Maintenance ...................................................... 25-38
Engine Troubleshooting...................................... 39-40
Troubleshooting (Trowel) ................................... 41-42
Explanation of Code in Remarks Column ............... 44
Suggested Spare Parts ........................................... 45
Nameplate and Decals....................................... 46-47
Pivot Assembly (Right/Left) ................................ 48-49
Steering Handles Assembly (Right/Left) ............ 50-51
Steering Assist Control Assembly (Right/Left) ... 52-53
Gearbox Assembly (Right) ................................. 54-55
Gearbox Assembly (Left) ................................... 56-57
Single Pitch Handle Assembly (Right/Left) ........ 58-59
Drive Assembly .................................................. 60-61
Engine/Muffler/Belt Assembly ............................ 62-63
Air Cleaner/Oil Filter/Oil Cleaner Assembly .......64-65
V-Belt Cover/Outer Muffler Shield Assembly ..... 66-67
Spider Assembly (Right) .................................... 68-69
Spider Assembly (Left)....................................... 70-71
Yoke Assembly ................................................... 72-73
Throttle Cable/Foot Pedals Assembly................ 74-75
Control Panel Assembly ..................................... 76-77
Fuel Assembly.................................................... 78-79
Battery Assembly ............................................... 80-81
Seat Frame Assembly ........................................ 82-83
Terms and Conditions of Sale ................................. 84
Specifications and part numbers
NOTE
are subject to change without
notice.
STR46SP — 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
✓ Tr u ck
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
Direct TOLL-FREE access
to our Parts Department:
Toll-free nationwide — 800-427-1244
Toll-free FAX — 800-6-PARTS-7
(800/672-7877)
STR46SP — TRAINING CHECKLIST
TRAINING CHECKLIST
This checklist lists some of the minimum requirements for machine operation. Please feel free to make copies for daily use. Use this
checklist when training a new operator or use as a review for more experienced operators.
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Operator _________________________________________ Trainee __________________________________________
COMMENTS:
PAGE 6 — STR 31V
STR46SP • RIDE-ON POWER TROWEL — OPERATION MANUAL — REV. #1 (08/01/06) — PAGE 6
DAILY PRE-OPERATION CHECKLIST
STR46SP — DAILY PRE-OPERATION CHECKLIST
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.
.
STR46SP • RIDE-ON POWER TROWEL — OPERATION MANUAL — REV. #1 (08/01/06) — PAGE 7
STR46SP — 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, understand and
comply with the Safety Messages and Operating Instructions
could result in injury to yourself and others.
This Operation Manual has been
developed to provide instructions for the
safe and efficient operation of the STR46 Series Ride-On Trowel. For engine
maintenance information, please refer to the
engine manufacturer's instructions for data
relative to its safe operation.
Before using this Ride-On Trowel, ensure that the operating
individual has read, understands, and complies with 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.
HAZARD SYMBOLS
Lethal Exhaust Gases
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.
Explosive Fuel
Gasoline is extremely flammable, and its
vapors can cause an explosion if ignited. DO
NOT start the engine near spilled fuel or
combustible fluids. 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. NEVER
use fuel as a cleaning agent.
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.
Potential hazards associated with trowel operation will be
referenced with Hazard Symbols which appear throughout this
manual, and will be referenced in conjunction with Safety
Message Alert Symbols.
KILLED
INJURED
or
SERIOUSLY INJURED
SERIOUSLY INJURED
if you DO NOT follow
if
Burn Hazards
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.
Rotating Parts
NEVER operate equipment with covers, or
guards removed. Keep
and
clothing
prevent injury.
away from all moving parts to
fingers, hands, hair
PAGE 8 — STR 31V
STR46SP • RIDE-ON POWER TROWEL — OPERATION MANUAL — REV. #1 (08/01/06) — PAGE 8
STR46SP — SAFETY MESSAGE ALERT SYMBOLS
Accidental Starting Respiratory Hazard
Accidental starts can cause severe injury or death. ALWAYS
place the ON/OFF switch in the OFF position. Disconnect and
ground spark plug lead and disconnect negative battery cable
from battery before servicing.
Over Speed Conditions
NEVER tamper with the factory settings of the
engine governor or settings. Personal injury
and damage to the engine or equipment can
result if operating in speed ranges above
maximum allowable.
Other important messages are provided throughout this manual
to help prevent damage to your trowel, other property, or the
surrounding environment.
ALWAYS wear approved respiratory
protection.
Sight and Hearing hazard
ALWAYS wear approved eye and hearing
protection.
Equipment Damage Messages
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
This
Ride-On trowel
surrounding environment could be damaged if you do
not follow instructions.
, other property, or the
STR46SP • RIDE-ON POWER TROWEL — OPERATION MANUAL — REV. #1 (08/01/06) — PAGE 9
STR46SP — RULES FOR SAFE OPERATION
■
RULES FOR SAFE OPERATION
WARNINGWARNING
WARNING
WARNINGWARNING
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 STR46SP Ride-On Trowel.
SAFETY
■
DO NOT operate or service this
equipment before you read, understand,
and comply with all safety messages in
this manual. The manual must be kept
available and accessible to the operator.
■
This equipment should not be operated by persons under the
minimum statutory age limit.
■
NEVER use this machine for any purpose other than those
described in this manual.
■
NEVER operate the trowel without proper protective clothing,
shatterproof glasses, steel-toed boots and other protective
devices required for the job.
NEVER operate this equipment when not feeling well due to
fatigue, illness or taking medicine.
■
NEVER operate the trowel under the influence of drugs or
alcohol.
■
Replace nameplate, operation and safety decals when they
become difficult to read.
■
ALWAYS check the trowel for loosened hardware such as
nuts and bolts before starting.
■
NEVER touch the hot exhaust manifold, muffler
or cylinder. Allow these parts to cool before
servicing the trowel. Contact with
components can cause serious burns.
■
The engine of this trowel requires an adequate free flow of
cooling air. NEVER operate the trowel in any enclosed or
■
ALWAYS refuel in a well-ventilated area, away from sparks
and open flames.
hot!
narrow area where free flow of
the air is restricted. If the air flow
is restricted it will cause serious
damage to the engine and may
cause injury to people.
Remember the engine gives off
DEADLY
gas.
carbon monoxide
■
■
■
■
■
NEVER use accessories or attachments which are not
recommended by the manufacturer 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. Unauthorized equipment
modification will void all warranties. Any modification which
could lead to a change in the original characteristics of the
machine should be made only by the manufacturer who shall
confirm that the machine is in conformity with appropriate
safety regulations.
PAGE 10 — STR 31V
STR46SP • RIDE-ON POWER TROWEL — OPERATION MANUAL — REV. #1 (08/01/06) — PAGE 10
■
Topping-off to filler port is dangerous, as it tends to spill fuel.
NEVER use fuel as a cleaning agent.
ALWAYS use extreme caution when working with flammable
liquids. When refueling, STOP the engine. Allow the engine
to cool before adding fuel or performing service and
maintenance functions.
NEVER operate the trowel in an
explosive atmosphere where fumes
are present, or near combustible
materials. An explosion or fire could
result in severe
death.
NEVER
Fire or explosion could result from
vapors
smoke
, or if fuel is spilled on a
bodily harm or even
around or near the machine.
fuel
hot!
engine.
STR46SP — RULES FOR SAFE OPERATION
■
NEVER run engine without air filter. Severe engine damage
may occur. Service air filter frequently to prevent carburetor
malfunction.
■
NEVER place your
while starting or operating this equipment.
■
AVOID wearing jewelry or loose fitting clothing that may snag
on the controls or moving parts as this can cause a serious
injury.
■
ALWAYS keep clear of
operating the trowel.
■
Moving Parts – Shut down the engine before performing
service or maintenance functions. Contact with moving parts
can cause serious injury.
■
ALWAYS check to make sure that the operating area is clear
before starting the engine.
■
NEVER leave the machine
■
ALWAYS be sure the operator is familiar with proper safety
precautions and operations techniques before using trowel.
feet
or
rotating
hands
inside the guard rings
or
moving parts
unattended
while running.
while
Lifting the Ride-On Trowel
DANGERDANGER
DANGER
DANGERDANGER
Pay close attention to ventilation when
operating the trowel in confined spaces
such as tunnels, buildings or similar areas.
The engine exhaust contains harmful
elements. Ensure proper air flow to move
engine exhaust away from the operator.
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
heavy
This ride-on trowel is very
around. Use proper heavy lifting procedures and DO NOT
attempt to lift the ride-on trowel by the guard rings.
and awkward to move
■
ALWAYS keep the work area well organized.
■
ALWAYS clear the work area of any debris, tools, etc. that
would constitute a hazard while the trowel is in operation.
WARNINGWARNING
WARNING
WARNINGWARNING
ALWAYS check to make sure that the operating area is
clear before starting the engine.
■
No one other than the operator is to be in the working area
when the trowel is in operation.
■
NEVER allow passengers or riders on the trowel during
operation.
■
Always observe all applicable compulsory regulations
relevant to environmental protection, especially, fuel storage,
the handling of hazardous substances, and the wearing of
protective clothing and equipment. Instruct the user as
necessary, or, as the user, request this information and
training.
■
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.
The STR46SP Ride-On Power Trowel is designed to be moved
and handled several ways.
The easiest way to lift the trowel is to utilize the lift loops that are
welded to the frame. These lift loops are located to the left and
right sides of the operator’s seat.
A strap or chain can be attached to these lift loops, allowing a
forklift or crane to lift the trowel up onto and off of a slab of concrete.
The strap or chain should have a minimum 2,000 pounds (1000kg) lifting capacity and the lifting gear must be capable of lifting
at least this amount.
DANGERDANGER
DANGER
DANGERDANGER
NEVER stand under or allow anyone
else to stand under the trowel while it
is being lifted.
STR46SP • RIDE-ON POWER TROWEL — OPERATION MANUAL — REV. #1 (08/01/06) — PAGE 11
STR46SP — RULES FOR SAFE OPERATION
Transporting
■
ALWAYS shutdown engine before transporting.
■
Tighten fuel tank cap securely and close fuel petcock to
prevent fuel from spilling.
■
Drain fuel when transporting trowel for long distances or over
bad roads.
■
When placing the trowel on a truck-bed for transport,
tie-down the trowel.
■
If the trowel is being transported via a trailer, make sure the
trailer complies with all local and state safety transportation
laws. Refer to the following "
for basic towing techniques.
Towing Safety Precautions"
always
■
■
■
■
■
■
■
Use chock-blocks at each wheel when parked to prevent
trailer from rolling.
Use the trailer's swivel jack to adjust the trailer height to a
level position while parked.
Avoid sudden stops and starts. This can cause the trailer to
skid or jack-knife. Smooth, gradual starts and stops will
improve towing.
Avoid sharp turns.
Trailer should be adjusted to a level position at all times
when towing.
Raise and lock trailer wheel stand in the "UP" position when
transporting.
DOT requirements include the following:
Towing Safety Precautions
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
Conform to
Towing Regulations
roads.
To reduce the possibility of an accident while transporting the
trowel on public roads, always make sure the trailer that supports
the trowel 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
your trowel:
■
Make sure the hitch and coupling of the towing vehicle are
rated equal to, or greater than the trailer "gross vehicle weight
rating" (GVWR) of 6,000 lbs.
■
ALWAYS inspect the hitch and coupling for wear. NEVER
tow a trailer with defective hitches, couplings, chains, etc.
■
Check the tire air pressure on both towing vehicle and trailer.
Trailer tires should be inflated to 50 psi cold
the tire tread wear on both vehicles.
■
ALWAYS make sure the trailer is equipped with "Safety
Chains ".
■
ALWAYS attach trailer's safety chains to towing vehicle
properly.
■
ALWAYS make sure the vehicle and trailer directional,
backup, brake, and trailer lights are connected and working
■
DO NOT exceed the recommended highway speed when
towing. Unless posted otherwise, do not exceed 45 MPH
highway, and 10 MPH off-road.
Department of Transportation (DOT) Safety
before transporting trowel on public
. Also check
PAGE 12 — STR 31V
STR46SP • RIDE-ON POWER TROWEL — OPERATION MANUAL — REV. #1 (08/01/06) — PAGE 12
Connect and test electric brake operation.
Secure portable power cables in cable tray with tie wraps.
Battery
The battery contains acids that can cause injury to the eyes and
skin. To avoid eye irritation,
shielding. Use well insulated gloves when picking the battery
up. Use the following guidelines when handling the battery.
■
DO NOT drop the battery. Any impact to
the battery may cause it to explode.
■
DO NOT expose the battery to open flames,
sparks, lit cigarettes etc. The battery
contains combustible gases and liquids. If
these gases and liquids come in contact
with a flame or spark an explosion can occur.
■
ALWAYS keep the battery charged. If the
battery is not charged a buildup of combustible gas will occur.
■
ALWAYS keep battery cables in good working condition.
Repair or replace all worn cables.
■
ALWAYS disconnect the
performing service on the trowel.
■
ALWAYS recharge the battery in a vented air environment
to avoid risk of a dangerous concentration of combustible
gases.
■
In case the battery liquid, (dilute sulfuric acid), comes in contact
with
with plenty of water.
■
In case the battery liquid, (dilute sulfuric acid), comes in contact
with your
then contact the nearest doctor or hospital and seek medical
attention.
always
clothing or skin
eyes
, rinse eyes immediately with plenty of water,
, rinse skin or clothing immediately
wear safety glasses or face
negative battery terminal
before
STR46SP — RULES FOR SAFE OPERATION
Maintenance Safety
■
ALWAYS shut down the engine and disconnect battery before
performing service or maintenance functions. Contact with
moving parts can cause serious injury.
■
Securely support any trowel components that must be raised.
■
NEVER lubricate components or attempt service on a running
trowel.
■
ALWAYS allow the trowel a proper amount of time to cool
before servicing.
■
Keep the trowel in proper running condition.
■
Make sure that there is no buildup of concrete, grease, oil or
debris on the machine.
■
Repair damage to the trowel 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 plastic food 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
ALWAYS know the location of the
nearest
Know the phone numbers of the nearest
ambulance, doctor
that a phone or radio is readily available at the
jobsite. If this is not possible, know the location of
the nearest phone. This information will be
invaluable in the event of an emergency.
fire extinguisher
first aid kit
.
and
.
fire department
. Ensure
■
NEVER store trowel with fuel in the tank for any extended
period of time. Always clean up spilled fuel immediately.
STR46SP • RIDE-ON POWER TROWEL — OPERATION MANUAL — REV. #1 (08/01/06) — PAGE 13
STR46SP — OPERATION AND SAFETY DECALS
P/N35168
Machine Safety Decals
The STR46SP Ride-On Power Trowel is equipped with a number of operation and safety decals. These decals are provided for
operator safety and maintenance information. Should any of these decals become unreadable, replacements can be obtained from
your dealer.
WARNING
To avoid injury,
you MUST read
and understand
operator’s manual
before using this
machine.
This machine to
be operated by
qualified
personnel only.
Ask for training
as needed.
P/N 35137
P/N35137
P/N 11111 11 ” x 3”
CLOCKWISE
GEAR DRIVE
CHECK
P/N TBD
WARNING
P/N: 21455
BELT DRIVE
GEAR DRIVE
CHECK
P/N 2814 (WHITE)
COUNTER
CLOCKWISE
LIFTING POINTLIFTING POINT
LUBRICATION
MODEL
SERIAL NO.
CONTACT
SERVICE
ROTATING BLADE
HAZARD
Keep hands
and feet clear
of guard rings.
Stop engine
before servicing.
P/N35168
P/N 35168
P/N 36099 (ISO Blue)
HOT
LUBRICATION
DEPARTMENT
P/N 20953
DANGER
DO NOT DISASSEMBLE
SPRING INSIDE IS
UNDER COMPRESSION
P/N 2634
Engine exhaust and some of
its constituents,and somedust created
by power sanding, sawing, grinding,
drillingand otherconstructionactivities
contains chemicals known to the State
of California to cause cancer, birth
defects and other reproductive harm.
Someexamples of thesechemicals are:
Leadfromlead-based paints.
Crystallinesilica frombricks.
Cementand othermasonryproducts.
Arsenicandchromium fromchemically
treatedlumber.
Yourrisk from these exposures varies,
dependingon howoftenyou dothistype
of work.To reduce your exposure to
these chemicals: work in aALWAYS
well ventilated area, and work with
approved safety equipment, such as
dust masksthat are specially designed
2634
to filterout microscopic particles.
P/N 20525
P/N 11811
DECAL ENGINE
SPEED PLATE
E
HIGH
N
G
I
N
E
S
P
E
E
D
W
LO
LUBRICATION
P/N: 11246
P/N: 13118
LUBRICATION
PAGE 14 — STR 31V
STR46SP • RIDE-ON POWER TROWEL — OPERATION MANUAL — REV. #1 (08/01/06) — PAGE 14
C
STR46SP — SPECIFICATIONS (TROWEL)
B
A
Figure 1. STR46SP Dimensions
)mc(.ni–htgneL–A )3.142(0.59
)mc(.ni–htdiW–B )221(0.84
m
c(.ni–thgieH–C
) )8.611(0.64
gnitarepO).sgk(.sbl–thgieW )5.023(507
gnippihS).sgk(.sbl–thgieW )6.315(0311
)etercnoCyrD(MPR–rotoR 051
)mc(.ni–htdiWhtaP )132(19
1
noitarbiVmrA/dnaH
noitarbiVydoBelohW s/tfDBT
2
)dethgieW-A(erusserPdnuoS
NOTE:
1. The vibration level indicated is the maximum RMS (Root
Mean Square) value obtained at the handle grip while
operating the walk-behind trowel at full throttle on steel
plate with blades partially pitched.
2. Sound pressure is a weighted measure. It is measured at
the operator's ear position while the walk-behind trowel is
operating at full throttle on concrete in a manner most often
experienced in “
may vary depending upon the condition of the concrete.
snoitacificepS64RTS.1elbaT
normal
2
s/tf97.2
s/m(2)
2
s/m(2)
)A(Bd09
” circumstances. Sound pressure
STR46SP • RIDE-ON POWER TROWEL — OPERATION MANUAL — REV. #1 (08/01/06) — PAGE 15
STR46SP — SPECIFICATIONS (ENGINE)
snoitacificepSenignE64RTS.2elbaT
ledoM
epyT
tnemecalpsiDnotsiP)cc527(.ni.uc0.44
tuptuO.xaM)WK1.02(mpr0023/phb72
euqroT.xaMmpr0022tatf-fbl7.24
metsySgnilooCriAdecroF
yticapaCliOenignE
knaTleuF)sretil32.91(.lag5
yticapaCliOxoBraeG
leuF
64RTS
enignEPH72relhoK
,niwT-VevlaVdaehrevO,ekortS4
.enigneenilosag
)sretil6.1(.tq57.1
retliflio/wsretil9.1(.tq1.2
)tnemecalper
436HCSliboM()L140.2(.zo96
)046GVOSI
enilosagdedaelnU
rehgihro68fognitarenatcO
metsySgnitratSotengaMdezirotsisnarT/tratScirtcelE
epyTgulPkrapSlaunams'renwoenigneees
paGgulPkrapSlaunams'renwoenigneees
PAGE 16 — STR 31V
STR46SP • RIDE-ON POWER TROWEL — OPERATION MANUAL — REV. #1 (08/01/06) — PAGE 16
STR46SP — GENERAL INFORMATION
STR46 SERIES Ride-On Power Trowel Familiarization
The STR46 SERIES Ride-On Power Trowel is designed for the
floating and finishing of concrete slabs.
Take a walk around your trowel. Take notice of all the major
components (see Figures 2 and 3, pages 20 and 21) like the
engine, blades, air cleaner, fuel system, fuel shut-off valve,
ignition switch etc. Ensure engine and gearbox oil levels are
within proper operating range.
Read all the safety instructions carefully. Safety instructions will
be found throughout this manual and on the machine. Keep all
safety information in good, readable condition. Operators should
be well trained on the operation and maintenance of the trowel.
Look at the operator control levers. Grasp the control levers and
move them around a bit. Observe how moving the control levers
cause the gearboxes and frame to move.
Notice the foot pedal which controls the engine and blade speed.
Also take a look at the main driveline of the trowel. Take note
and reference how the belts look, this is the way the belts should
look when adjusted properly.
Before using your trowel, test it on a flat watered down section of
finished concrete. This trial test run will increase your confidence
in using the trowel and at the same time it will familiarize you
with the trowel’s controls and indicators. In addition you will
understand how the trowel will handle under actual conditions.
Engine
This trowel is equipped with an air cooled 27 HP Kohler gasoline
engine. Refer to the engine owner’s manual for specific
instructions regarding engine operation. This manual is included
with the trowel at the time of shipping. Please contact the STOW
parts department if a replacement manual is required.
Gearboxes
The STR46 Series Ride-On Power Trowel uses two separate
gearbox assemblies that are enclosed in rugged cast aluminum
gear cases.
The gearbox casing has a large oil capacity allowing optimum
lubrication to critical points.
Steering Assist
Dual control levers located in front of the operator's seat are
provided for steering the trowel. The control levers are linked to
two spring loaded cylinders.
Push the left control lever forward and pull the right control lever
backward and the trowel will rotate clockwise on approximately
a center axis. Pull the left control lever backward and push the
right control lever forward and the trowel will rotate
counterclockwise. See Table 4 on page 26 for a complete
description on the control levers directional positioning.
Constant Velocity Joints (CV-Joints)
Constant velocity joints insure the efficient transfer of power to
the drive shaft and maintain the timing of the gearboxes without
any chance of slippage.
Training
For training, please use the “TRAINING CHECKLIST” located
in the front of this manual (Page 8). This checklist is not intended
to be a substitute for proper training but will provide an outline
for an experienced operator to provide training to a new operator.
Blades
The blades of the trowel finish the concrete as they are swirled
around the surface. Blades are classified as combination (10 or
8 inches wide) and finish (6 inches wide). This trowel is equipped
with four blades per rotor equally spaced in a radial pattern and
attached to a vertical rotating shaft by means of a
spider
assembly.
Figures 2 and 3 show the location of the controls, indicators and
general maintenance parts. Each control may perform more than
one function. The functions of the controls or indicators are on
pages 20 and 21.
STR46SP • RIDE-ON POWER TROWEL — OPERATION MANUAL — REV. #1 (08/01/06) — PAGE 17
STR46SP — CONTROLS AND INDICATORS
1. Seat – Engine will neither start nor run unless operator is
seated.
2. Steering Control Levers – Directs the unit forward,
reverse, left, or right.
3. Retardant Spray Control Button – Sprays retardant
through the nozzle at the front of the machine.
4. Pitch Control – Turn the crank as marked on its top surface
to increase or decrease blade pitch.
Twin Pitch Control (Option) – Both pitch towers are linked
together. One crank may be turned to adjust the blade
pitch simultaneously or individually controlled for each set
of blades.
5. Light Switch – Turns on three halogen lights. Two in front
one in rear.
6. Ignition Switch – With key inserted, turn clockwise to
start engine.
7. Hour Meter – Indicates number of hours the engine has
run.
8. Choke Control Lever – In cold weather pull this lever to
start engine. After engine warms push knob all the way in.
9. Fuel Gauge/Filler Cap – Indicates the amount of fuel in
the fuel tank. Remove this cap to add fuel.
10. Fuel Tank – Holds 5 gallons of unleaded gasoline.
11. Left Foot Riser – Operator foot rest pedal.
12. Spray Nozzle – Spray nozzle for retardant.
13. Right Foot Pedal – Controls blade speed. Slow blade
speed is accomplished by slightly depressing the foot pedal.
Maximum blade speed is accomplished by fully depressing
the foot pedal.
14. EZ- Mover Boss – Front attachment point for EZ Mover.
Used to move the trowel.
15. Dip Stick – Use to verify correct amount of engine oil.
16. Spark Plug – Access the spark plug through this cutout.
1
2
4
3
5
9
10
8
19
15
6
16
7
28
18
11
14
12
13
14
26
Figure 2. STR46SP Controls and Indicators (Front)
PAGE 18 — STR 31V
STR46SP • RIDE-ON POWER TROWEL — OPERATION MANUAL — REV. #1 (08/01/06) — PAGE 18
STR46SP — CONTROLS AND INDICATORS
17. Safety Stop Switch – Shuts down engine when seat is
26. Spiders (Left/Right) – Consists of trowel arms, blades,
empty.
18. Light Assembly – Optional 12 volt halogen lights are
available, two forward and one aft.
19. Lift Loops – Located on both sides of the main frame.
27. Document Box – Contains all product documentation.
28. Battery – Provides +12V DC power to the electrical system.
29. Belt Guard – Encloses drive belt used in conjunction with
Used to lift the trowel.
20. Engine Air Filter – Protects the engine from dirt.
30. Engine Oil Fill – Remove this cap to add engine oil.
21. Oil Filter – Filters the engine oil.
22. Oil Drain – Remove the plug from end of hose to drain the
engine oil.
23. Retardant Spray Tank – Holds 5 gallons of retardant.
24. Retardant Spray Pump – Delivers retardant to the spray
nozzle.
25. EZ- Mover Boss – Rear attachment point for EZ Mover.
Used to transport the trowel.
Read, understand, and comply with all safety messages and
operating instructions in this manual before attempting to operate
the trowel.
27
17
15
19
18
wear plate, and thrust collar.
clutch.
NOTE
19
10
25
24
29
30
20
9
R
E
T
A
R
D
A
N
T
O
N
L
Y
21
23
22
25
26
Figure 3. STR46SP Controls and Indicators (Rear)
28
STR46SP • RIDE-ON POWER TROWEL — OPERATION MANUAL — REV. #1 (08/01/06) — PAGE 19
STR46SP — BASIC ENGINE
2
3
8
1
7
9
10
6
5
11
4
12
Kohler 27 HP Engine
Figure 4. Engine Controls and Components
INITIAL SERVICING
The engine must be checked for proper lubrication and the fuel tank
filled with fuel prior to operation. Refer to the manufacturer's engine
manual for instructions & details of operation and servicing. The
engine shown in Figure 4 is a Kohler engine.
1. Muffler – Used to reduce noise and emissions.
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
operating. NEVER operate the engine with the
muffler removed.
2. Oil Filler Cap – Remove to add engine oil.
3. Air Filter – Prevents dirt and other debris from entering the
fuel system. Unsnap air filter cover to gain access to filter
element.
5. Oil Cooler – Helps keep engine oil cooler for longer engine
life.
6. Oil Filter – Spin-on type, filters oil for contaminants.
7. Throttle Lever – Controlled by accelerator pedal,
increases or decreases engine RPM.
8. Oil Dip Stick – Remove to check amount and condition of
oil in crankcase.
9. Ignition Coil – Provides spark to the ignition system.
10. Spark Plug – Provides spark to the combustion chamber.
See engine owner's manual for plug type and gap settings.
Clean spark plug once a week.
11. Starter – Starts engine when ignition key is rotated to the
"START" position.
12. Side Oil Drain Plug (one of two) – Remove to drain
crankcase oil.
4. Oil Drain Hose – Remove plug from end of hose to drain
crankcase oil.
PAGE 20 — STR 31V
STR46SP • RIDE-ON POWER TROWEL — OPERATION MANUAL — REV. #1 (08/01/06) — PAGE 20
STR46SP — NEW MACHINE SETUP INSTRUCTIONS
Trowel Pre-Set Up Instructions
The purpose of this section is to assist the user in setting up a
NEW
trowel. If your trowel is already assembled, (seat, handles,
knobs and battery), this section can be skipped.
The new trowel cannot be put into
service until the pre-setup installation
NOTE
Before packaging and shipping, this STR46 SERIES Ride-On
Power Trowel was run and tested at the factory. If there are
problems, please let us know.
Control Handle Assembly
The steering control handles are not attached to the trowel's two
lower handles at the time of shipment. To attach the steering
control handles to the two lower handle assemblies perform the
following:
1. Remove the bolts from the plastic bag tied to the control
towers.
instructions are completed. These
pre-setup instructions only need to
be performed at the time of
NEW
unpacking a
trowel.
Seat Assembly
The seat is not installed on the trowel for shipping purposes.
To attach the seat perform the following:
NOTE
seat. H and S-series trowels have a seat that is mounted
on tracks, similar to an automobile seat. This seat can be adjusted
fore and aft via the control lever under the front of the seat.
1. Remove the seat from the protective wrapping.
2. Remove the bolts on the bottom of the seat, and place seat
on the seat mounting plate, then insert the bolts through
the holes or slots on the seat mounting plate and tighten.
Battery Setup
This trowel was shipped with a wet charged battery. This battery
may need to be charged for a brief period of time as per the
manufacturer instructions.
There are two types of seats,
depending on what type of trowel
you have. J and B series trowels have
slots on the seat mounting plate that
allow fore and aft adjustment of the
2. Remove all protective wrapping and straps from the control
handles.
3. Slip the top (loose) piece into the base of the corresponding
handle, making sure to line up the holes.
4. Install the bolt through the lined up holes and tighten the
acorn nut onto the threaded end.
Some models are equipped with
NOTE
5. Pay close attention to any wires that may be inside the
control handles. DO NOT pinch or cut any wires during
installation.
6. Inside the plastic bag of parts are two knobs for the pitch
control tower cranks. Install these two knobs onto the tower
crank levers.
adjustable height handles. Adjust the
height by placing the bolt through the
set of holes that corresponds to the
most comfortable height.
Use all safety precautions specified by the battery
manufacturer when working with the battery. See further
specific safety information on page 12 of this manual.
To install the battery on the trowel, make sure that the battery is
well seated in the battery box. Connect the positive cable to the
positive terminal on the battery first, then connect the negative
cable to the negative terminal. Close the plastic battery box cover
and secure the battery box.
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
STR46SP • RIDE-ON POWER TROWEL — OPERATION MANUAL — REV. #1 (08/01/06) — PAGE 21
The following section is intended as a basic guide to the ride-on
trowel operation, and is not to be considered a complete guide
to concrete finishing. It is strongly suggested that all operators
(experienced and novice) read “
the American Concrete Institute, Detroit Michigan.
DO NOT use your ride-on power trowel until this section is
thoroughly understood.
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
Slabs on Grade
” published by
Table 3. Recommended Viscosity Grades
STR46SP — INITIAL START-UP
Failure to understand the operation of the STR46SP trowel
could result in severe damage to the machine or personal
injury.
See Figures 2 and 3 for the location of any control or indicator
referenced in this manual.
Engine Oil Level
ALWAYS check engine oil BEFORE EACH USE.
1. Pull the engine oil dipstick (Item 8, Figure 4)
from its holder.
2. Determine if engine oil is low (Figure 5).
3. If engine oil is low, remove oil filler cap (Item 2, Figure 4),
and add correct amount of engine oil to bring oil level to a
normal safe level. The oil level should be up to, but not
over the "F" mark on the dipstick. Use oil as recommeded
in Table 3.
Gearbox Oil Level
1. Check the gearbox oil level in both gearboxes
by removing the level plug and ensuring that
the oil is at the correct level. See Figure 6.
2. Fill the gear box just to the level of the fill plug.
(Figure 6) with 69 oz. (2.041 L) of Multiquip
gearbox lubricant, p/n 20111, ISO or
equivalent.
DRAIN
PLUG
FILL/LEVEL
CHECK PLUG
Figure 6. Gearbox Oil Plugs/Sight Glass
GEARBOX
VENT
Fuel
Determine if the engine fuel is low (Figure 7). If fuel level is low,
remove the fuel filler cap and fill with unleaded gasoline.
Figure 5. Engine Oil Dipstick
Handle fuel safely. Motor fuels are highly
To prevent extensive engine wear or
damage, always maintain the proper
NOTE
STR46SP • RIDE-ON POWER TROWEL — OPERATION MANUAL — REV. #1 (08/01/06) — PAGE 22
oil level in the crankcase. Never
operate the engine with the oil level
below the "L" mark or over the "F"
mark on the dipstick.
PAGE 22 — STR 31V
flammable and can be dangerous if
mishandled. DO NOT smoke while
refueling. DO NOT attempt to refuel the ride-
on trowel if the engine is hot or running. DO
NOT attempt to start the engine until the fuel
residue has been completely wiped up and
the area surrounding the engine is dry.
DANGERDANGER
DANGER
DANGERDANGER
E
N
G
IN
E
F
U
E
L
O
N
L
Y
Figure 7. Fuel Gauge
Important Information Before You Start
FUEL
E
STR46SP — OPERATION
5. When starting a cold engine, pull the choke knob, if so
equipped, (Figure 9) out to the
closed
weather or when the engine is warm, the unit can be started
with choke halfway or completely
F
CLOSED
CHOKE
KNOB
position. In warm
open
.
1. This
switch"
ride-on trowel
. This switch is located beneath the seat assembly.
is equipped with a safety
"safety stop
Remember the engine will not start unless an operator is
sitting in the operator’s seat. The weight of an operator
depresses an electrical switch which will allow the engine
to start.
WARNINGWARNING
WARNING
WARNINGWARNING
NEVER disable or disconnect the "safety stop switch". It is
provided for the operator's safety and injury or death may
result if it is disabled, disconnected or improperly
6. Keep your foot OFF the blade speed control pedal and in
all circumstances, start the engine at idle (without touching
the pedal).
7. Insert the
maintained.
8. Turn the ignition key (Figure 10) clockwise and listen for
2. The safety stop switch should be used to stop the engine
after every use. Doing this will verify the switch is working
properly thus providing safety for the operator. Remember
to turn the key to the “OFF” position after stopping the
machine. Not doing so will drain the battery.
the engine to start. Once the engine starts release ignition
key.
9. If the engine fails to start in this manner, consult the engine
owner's manual supplied with the trowel.
10. Test the safety stop switch by standing up briefly. The switch
under the seat should cause the engine to stop. If the switch
3. The right foot pedal (Figure 8) controls blade and engine
speed. The position of the foot pedal determines the blade
speed. Slow blade speed is obtained by slightly depressing
fails to shut down the engine. Turn off the engine with the
key switch and repair the safety stop switch. See Table 7
(Troubleshooting ) for possible causes.
the pedal. Maximum blade speed is obtained by fully
depressing the pedal.
OPEN
Figure 9. Choke Knob
ignition key
into the ignition switch.
Figure 8. Blade Speed Control Foot Pedal
Starting the Engine
1. With one foot on the ground and the other foot placed on
the trowel's platform, grab the frame near the seat and lift
yourself onto the trowel. Sit in the operator's seat and ensure
the control handles, foot pedal and control panel items can
be comfortably accessed.
11. Let the engine idle for 3-5 minutes. If choke is applied,
push the choke to the open position as soon as the engine
will run smoothly.
STR46SP • RIDE-ON POWER TROWEL — OPERATION MANUAL — REV. #1 (08/01/06) — PAGE 23
OFF
START
Figure 10. Ignition Key
STR46SP — OPERATION
Steering
Two control levers located in front of the operator’s seat provide
directional control for the STR46 SERIES Ride-On Power Trowel.
Table 4 (Page 26) illustrates the various directional positions of
the joysticks and their effect on the ride-on trowel.
NOTE
1. Push both the left and right control levers forward. See
Figure 11.
All directional references with respect
to the steering control levers are from
operator’s
the
LEFT CONTROL LEVER
seat position.
5. Try adjusting the pitch of the blades. This can be done with
the ride-on trowel stopped or while the trowel is moving,
whatever feels comfortable. Test the operation of optional
equipment like retardant spray and lights if equipped.
6. Pull both the left and right joysticks backward and repeat
steps 3 through 6 while substituting the word reverse for
forward.
FORWARD DIRECTION
RIGHT CONTROL LEVER
Figure 11. Left and Right Control Levers
2. With your right foot quickly depress the right foot pedal
halfway. Notice that the ride-on power trowel begins to move
in a forward direction. Return both joystick controls to their
neutral position to stop forward movement, then remove
your right foot from the right foot pedal.
3. Practice holding the machine in one place as you increase
blade speed. When about 75% of maximum blade speed
has been reached, the blades will be moving at proper
finishing speed. The machine may be difficult to keep in
one place. Trying to keep the ride-on trowel stationary is a
good practice for operation.
4. Practice maneuvering the ride-on trowel using the
information listed in Table 4. Try to practice controlled
motions as if you were finishing a slab of concrete. Practice
edging and covering a large area.
Trowel arms can be damaged by rough handling or by
striking exposed plumbing or forms while in operation.
ALWAYS
to the trowel arms.
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
look-out for objects which might cause damage
PAGE 24 — STR 31V
STR46SP • RIDE-ON POWER TROWEL — OPERATION MANUAL — REV. #1 (08/01/06) — PAGE 24
Maintenance
When performing any maintenance on the trowel or engine,
follow all safety messages and rules for safe operation stated at
the beginning of this manual.
WARNING
Accidental starts can cause severe injury
or death.
ALWAYS place the ON/OFF switch in the
OFF position.
Disconnect and ground spark plug
leads and disconnect negative
battery cable from battery before
servicing.
STR46SP — MAINTENANCE
Figure 12. Engine Service Areas
MAINTENANCE SCHEDULE
1. Check and retighten all fasteners as necessary.
Daily (8-10 Hours)
1. Check the fluid levels in the engine and gearboxes, fill as
necessary.
Weekly (30-40 Hours)
1. Relube arms, thrust collar and steering links.
2. Replace blades if necessary.
3. Check and clean or replace the engine air filter as
necessary. (See following section on Air Filter
Maintenance.)
4. Replace engine oil and filter as necessary. (See following
section on Oil and Filter.)
Monthly (100-125 Hours)
1. Remove, clean, reinstall and relube the arms and thrust
collar. Adjust the blade arms.
2. Replace gearbox lubricant after the first 100 hours of
operation. Replace every 500-600 hours thereafter.
1. Oil Level Dipstick
2. Air Cleaner Cover
3. Carburetor
4. Governor
5. Oil Fill Cap (On either side)
6. #2 Valve Cover
7. #2 Exhaust Port
8. Spark Plug, #2 side
9. Oil Filter
10. Rectifier-regulator
11. Oil Drain (oil filter side)
12. Oil Drain Hose (starter side)
13. Starting Motor and Solenoid
14. Spark Plug, #1 side
15. #1 Valve Cover
3. Check drive belt for excessive wear. (Refer to following
section on Drive Belt maintenance.)
Yearly (500-600 Hours)
1. Check and replace if necessary the arm bushings, and
thrust collar bushings, shaft seals and belts.
2. Check pitch control cables for wear.
3. Replace gearbox lubricant.
STR46SP • RIDE-ON POWER TROWEL — OPERATION MANUAL — REV. #1 (08/01/06) — PAGE 25
Air Cleaner (Daily)
STR46SP — MAINTENANCE
The Kohler 27 hp engine is equipped with a replaceable, highdensity paper air cleaner element. Most are also equipped with
an oiled-foam precleaner which surrounds the paper element.
Check the air cleaner daily or before starting the engine. Check
for and correct heavy buildup of dirt and debris along with loose
or damaged components.
Operating the engine with loose or
NOTE
Precleaner Service
If so equipped, wash and re-oil the precleaner every 25 hours of
operation (more often under extremely dusty or dirty conditions).
To service the precleaner perform the following steps, refer to
Figure 13:
damaged air cleaner components
could allow unfiltered air into the
engine causing premature wear and
failure.
1.
2.
3.
6.
8.
7.
4.
5.
1. Release the latches located on either side of the air cleaner
cover (Figure 13), and remove the cover.
2. Remove the foam precleaner from the paper air cleaner
element.
3. Wash the precleaner in warm water with detergent. Rinse
the precleaner thoroughly until all traces of detergent are
eliminated. Squeeze out excess water (do not wring). Allow
the precleaner to air dry.
4. Saturate the precleaner with new engine oil. Squeeze out
all excess oil.
5. Reinstall the precleaner over the paper air cleaner element.
6. Reinstall the air cleaner cover and secure the latches.
13.
9.
10.
11.
12.
15.
14.
Figure 13. Air Cleaner Components
PAGE 26 — STR 31V
STR46SP • RIDE-ON POWER TROWEL — OPERATION MANUAL — REV. #1 (08/01/06) — PAGE 26
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