Page 1
OPERATION MANUAL
SERIES
MODEL J3036H55
CONVERTIBLE EDGING
WALK-BEHIND TROWEL
(HONDA GX160 GASOLINE ENGINE)
Revision #0 (06/27/18)
To find the latest revision of this
publication, visit our website at:
www.multiquip.com
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
PN: 13412
Page 2
PROPOSITION 65 WARNING
Engine exhaust and some of
its constituents, and some dust created
by power sanding, sawing, grinding,
drilling and other construction activities
contains chemicals known to the State
of California to cause cancer, birth
defects and other reproductive harm.
Some examples of these chemicals are:
Lead from lead-based paints.
Crystalline silica from bricks.
Cement and other masonry products.
Arsenic and chromium from chemically
treated lumber.
Di-lsononyl Phthalate (DINP)
Your risk from these exposures varies,
depending on how often you do this type
of work. To reduce your exposure to
these chemicals: ALWAYS work in a
well ventilated area, and work with
approved safety equipment, such as
dust masks that are specially designed
to filter out microscopic particles.
PAGE 2 — J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18)
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SILICOSIS/RESPIRATORY WARNINGS
WARNING
SILICOSIS WARNING RESPIRATORY HAZARDS
Grinding/cutting/drilling of masonry,concrete,metaland
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,metaland
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.
J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18) — PAGE 3
Page 4
J3036H55
Convertible Edging
Walk-Behind Trowel
Proposition 65 Warning ........................................... 2
Silicosis/Respiratory Warnings ................................ 3
Table Of Contents .................................................... 4
Training Checklist .................................................... 5
Daily Pre-Operation Checklist ................................. 6
Safety Information ............................................. 7–12
Lifting And Transporting ......................................... 13
Specifications ........................................................ 14
Dimensions ............................................................ 15
General Information ............................................... 16
Components (Trowel) ...................................... 18–19
Components (Engine) ............................................ 20
Setup ............................................................... 21–29
Inspection ........................................................ 30–31
Operation ......................................................... 32–36
Options ............................................................ 37–38
Maintenance .................................................... 39–47
Troubleshooting (Engine) ................................. 48–49
Troubleshooting (Trowel) .................................. 50–51
Wiring Diagram ...................................................... 52
TABLE OF CONTENTS
NOTICE
Equipment specifications and features are subject to
change without notice.
PAGE 4 — J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18)
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TRAINING CHECKLIST
Training Checklist
No. Description OK? Date
1
2
3 Fuel system, refueling procedure.
4
5
6 Emergency stop procedures.
7 Startup of machine, engine choke.
8 Maintaining a hover.
9 Maneuvering.
10 Pitching.
11 Concrete fi nishing techniques.
12 Shutdown of machine.
Read operation manual
completely.
Machine layout, location of
components, checking of engine
oil level.
Operation of controls (machine
not running).
Safety controls, safety stop switch
operation.
13 Lifting of machine (lifting bail).
14 Machine transport and storage.
J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18) — PAGE 5
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DAILY PRE-OPERATION CHECKLIST
Daily Pre-Operation Checklist
1 Engine oil level
2 Gearbox oil level
3 Condition of blades
4 Blade pitch operation
5 Safety stop switch operation
PAGE 6 — J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18)
Page 7
SAFETY INFORMATION
DO NOT operate or service the equipment before reading
the entire manual. Safety precautions should be followed
at all times when operating this equipment.
Failure to read and understand the safety
messages and operating instructions could
result in injury to yourself and others.
SAFETY MESSAGES
The four safety messages shown below will inform you
about potential hazards that could injure you or others. The
safety messages specifi cally address the level of exposure
to the operator and are preceded by one of four words:
DANGER, WARNING, CAUTION
SAFETY SYMBOLS
Potential hazards associated with the operation of this
which
may appear throughout this manual in conjunction with
equipment will be referenced with hazard symbols
safety messages.
or NOTICE.
DANGER
Indicates a hazardous situation which, if not avoided,
WILL result in DEATH or SERIOUS INJURY.
WARNING
Indicates a hazardous situation which, if not avoided,
COULD result in DEATH or SERIOUS INJURY.
CAUTION
Symbol Safety Hazard
Lethal exhaust gas hazards
Explosive fuel hazards
Burn hazards
Rotating parts hazards
Indicates a hazardous situation which, if not avoided,
COULD result in MINOR or MODERATE INJURY.
NOTICE
Addresses practices not related to personal injury.
Pressurized fluid hazards
J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18) — PAGE 7
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SAFETY DECALS
Safety decals associated with the operation of this
equipment are defi ned below:
GENERAL SAFETY
CAUTION
operate this equipment without proper protective
clothing, shatterproof glasses, respiratory protection,
hearing protection, steel-toed boots and other protective
Avoid wearing jewelry or loose fi tting clothes that may
snag on the controls or moving parts as this can cause
clear the work area of any debris, tools, etc.
that would constitute a hazard while the equipment is
No one other than the operator is to be in the working
use the equipment for any purpose other than
NEVER
SAFETY INFORMATION
Keep hands, fingers, and feet clear of engine
fan blades and guard rings. Moving parts can cut.
DANGER
Rotating Blade Hazard
DO NOT remove guards.
Stop engine before servicing.
DANGER
DO NOT use this equipment in an enclosed area.
The engine used with this equipment emits
harmful levels of carbon monoxide which can
cause severe bodily harm — even death!
Inhalation Hazard
DANGER
Training
This machine to be operated by qualified
personnel only. Ask for training as needed.
DANGER
Belt Guard Hazard
Keep hands and fingers clear from engine belts.
DO NOT remove belt guards.
Moving parts can crush.
WARNING
Lifting/Crush Hazard
NEVER allow any person to stand
underneath the trowel while lifting.
P/N 23700
DO NOT lift trowel with pans attached.
ALWAYS make sure handle is securely attached.
devices required by the job or city and state regulations.
serious injury.
NEVER operate this equipment when not
feeling well due to fatigue, illness, or when
on medication.
NEVER operate this equipment under the
infl uence of drugs or alcohol.
ALWAYS
in operation.
NOTICE
Read Manual
To avoid injury, you must read and understand
the operator’s manual before using this machine.
NOTICE
P/N3
60
99
Protective Clothing
ALWAYS wear appropriate clothing
when operating the trowel.
NOISE LEVEL
Indicates value of the sound power of the
equipment measured at operator’s seat.
area when the equipment is in operation.
DO NOT
its intended purposes or applications.
PAGE 8 — J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18)
Page 9
SAFETY INFORMATION
NOTICE
TROWEL SAFETY
Engine fuel exhaust gases contain poisonous carbon
monoxide. This gas is colorless and odorless, and can
The engine of this equipment requires an adequate free
operate this equipment in any
force between the trowel and surface when starting can
cause uncontrolled handle movement that can cause
serious injury. The handle must not move while pulling
emergency or safety devices.
These devices are intended for operator safety.
severe injury,
. Disconnection of any of
This equipment should only be operated by trained and
qualifi ed personnel 18 years of age and older.
Whenever necessary, replace nameplate, operation and
safety decals when they become diffi cult read.
Manufacturer does not assume responsibility for any
accident due to equipment modifi cations. Unauthorized
equipment modifi cation will void all warranties.
NEVER use accessories or attachments that are not
recommended by Multiquip for this equipment. Damage
to the equipment and/or injury to the user may result.
ALWAYS know the location of the nearest
fi re extinguisher.
ALWAYS know the location of the nearest
fi rst aid kit.
ALWAYS know the location of the nearest phone or keep
a phone on the job site. Also, know the phone numbers
of the nearest ambulance, doctor and fi re department.
This information will be invaluable in the case of an
emergency.
DANGER
cause death if inhaled.
fl ow of cooling air. NEVER
enclosed or narrow area
where the free fl ow of air is
restricted. If the air fl ow is
restricted it will cause injury
to people and property and
serious damage to the
equipment or engine.
NEVER operate the equipment in an
explosive atmosphere or near combustible
materials. An explosion or fi re could result
causing severe bodily harm or even death.
WARNING
ALWAYS keep clear of rotating or moving
parts while operating the trowel.
DANGEROUS
GAS FUMES
DO NOT start or operate the trowel if the
drive train will not disengage. Centrifugal
the engine recoil starter.
NEVER disconnect any
Disconnection of these devices can cause
bodily harm or even death
these devices will void all warranties.
J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18) — PAGE 9
Page 10
SAFETY INFORMATION
CAUTION
Order Form PT-160
ENGINE SAFETY
place hands or fingers inside the engine
operate the engine with heat shields or
while the engine is hot. Allow the oil to cool before
performing maintenance. This will prevent scalding
run the engine without an air fi lter or with a dirty
air fi lter. Severe engine damage may occur. Service the
NEVER stand on the trowel during operation.
NEVER lubricate components or attempt service on a
running machine.
NEVER place your feet or hands inside the guard rings
while starting or operating this equipment.
C
L
P
E
E
A
E
K
ALWAYS keep the work area clear around the trowel. Make
R
sure it is free of debris and objects.
NOTICE
ALWAYS keep the machine in proper running condition.
Fix damage to the machine and replace any broken
parts immediately.
ALWAYS store equipment properly when it is not being
used. Equipment should be stored in a clean, dry location
out of the reach of children and unauthorized personnel.
A safety manual for operating and maintenance
personnel of concrete power trowels produced by the
Association of Equipment Manufacturers (AEM) can be
obtained for a fee by ordering through their website at
www.aem.org.
WARNING
DO NOT
compartment while the engine is running.
NEVER
guards removed.
Keep fi ngers, hands, hair and clothing away
from all moving parts to prevent injury.
DO NOT remove the engine oil drain plug
of personnel.
CAUTION
NEVER touch the hot exhaust manifold,
muffl er, or cylinder. Allow these parts to cool
before servicing the equipment.
NOTICE
NEVER
air fi lter frequently to prevent engine malfunction.
NEVER tamper with the factory settings
of the engine or engine governor. Damage
to the engine or equipment can result
if operating in speed ranges above the
maximum allowable.
PAGE 10 — J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18)
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SAFETY INFORMATION
FUEL SAFETY
TRANSPORTING SAFETY
Some walk-behind trowels can be lifted or moved by two
people utilizing lifting tubes or other special attachments.
Generally, however, they must be lifted using lifting bails
transport the trowel with fl oat pans attached
unless safety catches are used and are specifi cally
hoist the trowel more than three feet off the
Before lifting, make sure that the lifting bails are not
make sure the crane or lifting device has been
Tighten the fuel tank cap securely and close the fuel cock
Use adequate lifting cable (wire or rope) of suffi cient
tie down the equipment during transport by
DO NOT add fuel to the equipment if it is placed inside
a truck bed with plastic liner. The possibility exists of
explosion or fi re due to static electricity.
DO NOT start the engine near spilled fuel or combustible
fl uids. Fuel is extremely fl ammable and its vapors can
cause an explosion if ignited.
ALWAYS refuel in a well-ventilated area, away from
sparks and open fl ames.
ALWAYS use extreme caution when working with
fl ammable liquids.
DO NOT fi ll the fuel tank while the engine is running
or hot.
DO NOT overfi ll the tank, since spilled fuel could ignite
if it comes into contact with hot engine parts or sparks
from the ignition system.
Store fuel in appropriate containers, in well-ventilated
areas, and away from sparks and fl ames.
DANGER
FUEL
FUEL
WARNING
NEVER allow any person or animal
to stand underneath the equipment
while it is being lifted.
NOTICE
and cranes, hoists, or forklifts.
NEVER
cleared for such transport by the manufacturer.
NEVER
ground with fl oat pans attached.
damaged.
ALWAYS
properly secured to the lifting bails of the equipment.
ALWAYS shut down the engine before transporting.
NEVER lift the equipment while the engine is running.
to prevent fuel from spilling during transport.
strength.
DO NOT lift the machine to unnecessary heights.
ALWAYS
securing the equipment with rope.
NEVER use fuel as a cleaning agent.
DO NOT smoke around or near the
equipment. Fire or explosion could result
from fuel vapors or if fuel is spilled on a
hot engine.
J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18) — PAGE 11
Page 12
SAFETY INFORMATION
ENVIRONMENTAL SAFETY/DECOMMISSIONING
Decommissioning is a controlled process used to safely
retire a piece of equipment that is no longer serviceable.
If the equipment poses an unacceptable and unrepairable
safety risk due to wear or damage or is no longer cost
effective to maintain (beyond life-cycle reliability) and is to
be decommissioned (demolition and dismantlement), be
sure to follow the rules below.
EMISSIONS INFORMATION
The gasoline engine used in this equipment has been
designed to reduce harmful levels of carbon monoxide
(CO), hydrocarbons (HC), and nitrogen oxides (NOx)
This engine has been certifi ed to meet US EPA evaporative
Attempts to modify or make adjustments to the engine
emission system by unauthorized personnel without proper
training could damage the equipment or create an unsafe
Additionally, modifying the fuel system may adversely affect
evaporative emissions, resulting in fi nes or other penalties.
The emission control label is an integral part of the emission
If a replacement emission label is needed, please contact
NOTICE
DO NOT pour waste or oil directly onto the ground, down
a drain or into any water source.
Contact your country’s Department of
Public Works or the recycling agency in
your area and arrange for proper disposal
of any electrical components, waste, or oil
associated with this equipment.
When the life cycle of this equipment is over, remove
the battery and bring it to an appropriate facility for lead
reclamation. Use safety precautions when handling
batteries that contain sulfuric acid.
When the life cycle of this equipment is over, it is
recommended that the trowel frame and all other metal
parts be sent to a recycling center.
Metal recycling involves the collection of metal from
discarded products and its transformation into raw
materials to use in manufacturing a new product.
Recyclers and manufacturers alike promote the process
of recycling metal. Using a metal recycling center
promotes energy cost savings.
NOTICE
contained in gasoline exhaust emissions.
emissions requirements in the installed confi guration.
condition.
Emission Control Label
system and is strictly regulated.
The label must remain with the engine for its entire life.
your authorized engine distributor.
PAGE 12 — J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18)
Page 13
LIFTING AND TRANSPORTING
LIFTING THE TROWEL
WARNING
Extra care should be taken when lifting the trowel.
Serious personal injury or damage to the equipment
can be caused by a dropped trowel.
WARNING
NEVER attempt to lift the trowel alone. NEVER lift the
trowel by the guard ring, as the trowel may rotate and
cause injury.
ALWAYS make sure the handle is secure, and use only
the manufacturer’s approved lifting point. The trowel
may be lifted by the center lifting bail using a crane or
other device with adequate lifting capacity.
WARNING
NEVER lift the trowel to unnecessary heights.
NEVER stand underneath the trowel while it is
being lifted.
Lifting Bail
The lifting bail provides an optimal lift point for the trowel.
When lifting the trowel onto a concrete slab, attach a chain
or rope to the lifting bail. MAKE SURE the capacity of the
lifting device is sufficient for the weight of the trowel.
Using a crane or forklift to lift the trowel (Figure 1) is highly
recommended, and is perfectly safe for the trowel. ALWAYS
use extra care when lifting the trowel off the ground.
LIFT
Figure 1. Lifting the Trowel
J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18) — PAGE 13
Page 14
SPECIFICATIONS
Table 1. J3036H55 Trowel Specifications
Number of Blades 4
Ring Diameter 30 in./36 in. (762 mm/914 mm)
Rotor Speed 60–115 rpm
Path Width 30 in./36 in. (762 mm/914 mm)
Shipping Weight 178 lb. (80 kg)
Operating Weight 180 lb. (81 kg)
Gearbox Oil Capacity 22 oz. (828 ml)
Gearbox Oil Type
Mobil SHC™ 634
industrial synthetic gear oil
Table 2. Honda Engine Specifications
Model Honda GX160UT2QX2
Type
Bore × Stroke 2.7 in. × 1.8 in. (68 mm × 45 mm)
Displacement 163 cm³
Net Power Output 4.8 hp (3.6 kW) @ 3,600 rpm
Net Torque 7.6 lb-ft. (10.3 N·m) @ 2,500 rpm
PTO Shaft Rotation
Compression Ratio 9:1
Carburetor Butterfly
Ignition System Transistorized magneto
Starting Method Recoil starter
Lubrication System Splash
Lube Oil Capacity 0.61 qt. (0.58 liters)
Speed Control Method Centrifugal mechanical type
Air Cleaner Dual element
Fuel Tank Capacity 3.3 quarts (3.1 liters)
Fuel Unleaded 86 octane or higher gasoline
Oil Type
Dimensions (L × W × H)
Dry Net Weight 33 lb. (15.1 kg)
Air-cooled, 4-stroke, single-cylinder,
gasoline engine
Counterclockwise
(from PTO shaft side)
4-stroke API, SF or SG SAE 10W-30
general use
12.2 × 14.3 × 13.6 in.
(312 × 362 × 346 mm)
Table 3. J3036H55 Noise and Vibration Emissions
Guaranteed ISO 11201:2010 Based Sound Pressure Level at Operator Station in dB(A)
Guaranteed ISO 3744:2010 Based Sound Power Level in dB(A)
Hand-Arm Vibration Per ISO 5349-1:2001 in m/s2 ∑A(8) 1.6
b
a
87
108
NOTES:
1. Sound pressure and power levels are “A” weighted measures per ISO 3744:2010. They are measured with the operating condition of the
machine which generates the most repeatable but highest values of the sound levels. Under normal circumstances, the sound level will vary
depending on the condition of the material being worked upon.
2. The vibration level indicated is the vector sum of the RMS (root mean square) values of amplitudes on each axis, standardized to an 8-hour
exposure period, and obtained using the operating condition of the machine that generates the most repeatable but highest values in accordance
with the applicable standards for the machine.
3. Per EU Directive 2002/44/EC, the daily exposure action value for hand/arm vibration is 2.5 m/s
is 5 m/s2 ∑A(8).
PAGE 14 — J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18)
2
∑A(8). The daily exposure limit value
Page 15
A
DIMENSIONS
B
SIDE VIEW
STANDARD HANDLE SHOWN
C D
TOP VIEW
E
F
Figure 2. J3036H55 Dimensions
Table 4. J3036H55 Dimensions
(A) Height (Handle) 41 in. (1,044 mm)
(B) Height (Lifting Bail) 28 in. (714 mm)
(C) Width (Outer Ring Diameter) 36 in. (914 mm)
(D) Width (Inner Ring Diameter) 30 in. (762 mm)
(E) Length (Lift Bracket Disengaged) 70 in. (1,789 mm)
(F) Length (Lift Bracket Engaged) 72 in. (1,829 mm)
J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18) — PAGE 15
Page 16
GENERAL INFORMATION
INTENDED USE
Operate this trowel, its components and tools in accordance
with the manufacturer’s instructions. Use of any other tools
for stated operation is considered contrary to designated
use. The risk of such use lies entirely with the user. The
manufacturer cannot be held liable for damages as a result
of misuse.
TROWEL FAMILIARIZATION
Read all safety instructions carefully. Safety instructions
will be found throughout this manual and on the trowel. Keep
all safety information in good, readable condition. Operators
should be well trained on the operation and maintenance
of the trowel.
This walk-behind trowel is designed for the floating and
finishing of concrete slabs.
Walk around the trowel and take notice of all the major
components (Figure 3)—the engine, blades, steering
handle, gearbox, etc. Make sure there is always oil in the
engine.
Gearbox
The gearbox is located beneath the engine and transfers
power to the spider assembly. The gearbox controls the
rotational speed of the trowel and is equipped with two
shafts (input and output).
Spider
The vertical output shaft of the gearbox connects to a cast
hub called the spider. The spider has four arms that extend
outward, to which blades or float pans are attached. As the
gearbox output shaft rotates, so does the spider assembly.
Blades
The blades of the trowel finish concrete as they are rotated
around the surface. This trowel comes equipped with four
8" × 14" combination blades, equally spaced in a radial
pattern, attached to the vertical rotating shaft by means of
the spider assembly. Additional 8" × 10.5" combo blades
are provided for use with the 30" guard ring configuration.
Adjustable Guard Ring
Before using your trowel, test it on a flat, watered-down
section of finished concrete that is free of debris and other
objects.
This trial test run will increase your confidence in using the
trowel and will familiarize you with the trowel’s controls. You
will learn how the trowel handles under actual conditions.
Engine
This trowel is equipped with a Honda 4.8 hp (3.6 kW)
gasoline engine (Figure 4). Refer to the engine owner’s
manual for instructions regarding the operation and
maintenance of your engine. If the original manual is lost
or damaged, please contact your nearest Multiquip dealer
for a replacement.
Drive System
Power is transferred from the engine to the gearbox input
shaft via a V-belt pulley drive system. The pulley engages
a centrifugal clutch.
A safety guard ring prevents objects from coming into
contact with the rotating blades, which facilitates the
finishing of surface edges without damage to adjacent
walls or risers. The patented ABS plastic rotating guard ring
resists concrete buildup and is easily converted between
36" and 30" in diameter.
Centrifugal Safety Stop Switch
In the event of a trowel runaway condition (the operator
releases the handlebar during operation), the centrifugal
safety stop switch will stop the engine and bring the trowel
to a halt.
TRAINING
For proper training, please use the Training Checklist
form located in the front of this manual. This checklist will
provide an outline for an experienced operator to provide
training to a new operator.
PAGE 16 — J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18)
Page 17
NOTES
J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18) — PAGE 17
Page 18
COMPONENTS (TROWEL)
6
7
8
6
5
4
3
2
10
9
19
1
18
17
11
12
13
14
15
16
Figure 3. Trowel Components
PAGE 18 — J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18)
Page 19
COMPONENTS (TROWEL)
Figure 3 shows the location of the basic trowel components.
A brief explanation of each component is listed below.
1. Lift Handles — Grasp the lift handles to lift the trowel
with two people.
2. Engine — Honda 4.8-horsepower (3.6 kW) gasoline
engine. Refer to Table 2 for engine specifications.
3. Lifting Bail — Attach a suitable lifting device to the
lifting bail whenever lifting of the trowel is required.
4. Pitch Control Star Wheel — Adjusts blade pitch.
Rotate the star wheel clockwise to pitch the blades
upward. Rotate the star wheel counterclockwise to
pitch the blades flat (no pitch).
5. Throttle Lever — Controls engine speed.
6. Hand Grip — ALWAYS place hands on both hand
grips when maneuvering the trowel. Replace hand
grips when they become worn or damaged.
7. Handlebar Pad — Foam rubber pad protects the body
when coming into contact with the vibratory handlebar.
8. Vibratory Handlebar — Rubber shock mounts/
isolators reduce trowel vibration.
9. Handlebar Adjuster — Change the angle or height of
the handlebar by loosening the star wheel. Adjust the
handlebar to the desired position, then tighten the star
wheel firmly to secure the handlebar in place.
10. Centrifugal Safety Stop Switch — Will stop the
engine and bring the trowel to a halt in the event of a
trowel runaway condition (i.e. the operator releases the
handlebar during operation).
11. V-Belt Cover — Remove this cover to gain access to
the V-belt. NEVER operate the trowel with this cover
removed.
12. 30" Guard Ring Assembly — Consists of a 30" guard
ring, bumper ring, and bumper. Prevents blade contact
with boundaries (i.e. walls) when finishing surface
edges in the 30" configuration. NEVER place hands or
feet inside the guard ring while the engine is running.
13. 36" Guard Ring — Consists of six fastened guard ring
segments that cover the trowel blades and support the
36" bumper and bumper ring. Can be removed and
reinstalled without being fully disassembled. NEVER
place hands or feet inside the guard ring while the
engine is running.
14. 36" Bumper — Prevents blade contact with boundaries
(i.e. walls) when finishing surface edges.
15. 36" Bumper Ring — Supports the 36" bumper.
16. Blades (4) — Versatile 8" × 14" combination blades
will satisfy most troweling needs. Additional 8" × 10.5"
blades are included for use with the 30" guard
ring configuration.
17. Trowel Arms (4) — Blades or float discs are attached
to the trowel arms. NEVER operate the trowel with a
bent, broken, or out-of-adjustment trowel arm.
18. Gearbox — Helical worm gear drive gearbox rotates
the trowel blades via engine interface. ALWAYS check
the gearbox oil level (sight glass) prior to each use. Fill
with Mobil SHC™ 634 gearbox oil as needed.
19. Quick Pitch™ Control Handle (Optional) — To
adjust the pitch of the blades upward using the Quick
Pitch™ handle, simply pull the T-handle backward while
squeezing the trigger. Push the T-handle forward to pitch
the blades flat (no pitch). Contact Multiquip unit sales
to purchase this option.
J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18) — PAGE 19
Page 20
COMPONENTS (ENGINE)
11
12
10
9
8
7
Figure 4. Basic Engine Components
INITIAL SERVICING
2
1
3
4
6
5
CAUTION
DO NOT disable or disconnect the engine ON/OFF
switch. It is provided for operator safety. Injury may
result if it is disabled, disconnected, or improperly
maintained.
5. Recoil Starter — Manual starting mechanism. Pull
the starter grip slowly until resistance is felt, then pull
briskly and smoothly to start the engine.
6. Fuel Valve Lever — Open to allow the flow of fuel, and
close to prevent the flow of fuel.
7. Oil Drain Bolt — Remove to drain oil from the
engine crankcase.
8. Dipstick/Oil Filler Cap — Remove to determine
if engine oil is low. Add oil through this port as
recommended in Table 5.
9. Choke Lever — Aids in starting a cold engine or
starting in cold weather conditions. The choke enriches
the fuel mixture.
The engine (Figure 4) must be checked for proper
lubrication and filled with fuel prior to operation. Refer to
the manufacturer’s engine manual for detailed operation
and service instructions.
1. Throttle Lever — Adjusts engine speed (RPM).
2. Fuel Filler Cap — Remove to add unleaded gasoline to
the fuel tank. Make sure the cap is tightened securely.
DO NOT overfill.
DANGER
NEVER fill the fuel tank while the engine
is running or hot. In the event of a fuel
spill, DO NOT start the engine until all
fuel residue has been wiped up and the
area surrounding the engine is dry. Fuel
is extremely flammable and can ignite if
it comes into contact with hot engine parts
or sparks from the ignition system.
3. Fuel Tank — Holds up to 3.3 quarts (3.6 liters) of
unleaded gasoline. Refer to the manufacturer’s engine
manual for additional information.
4. Engine ON/OFF Switch — ON position permits engine
starting, OFF position stops engine operation.
10. Spark Plug — Provides spark to the ignition system.
Set the spark plug gap according to the engine
manufacturer’s instructions, and clean the spark plug
once a week.
11. Muffler — Reduces noise and emissions. NEVER
touch the muffler while it is hot.
WARNING
Engine components can generate
extreme heat. To prevent burns, NEVER
touch these areas while the engine is
running or immediately after operating.
NEVER operate the engine with the
muffler removed.
12. Air Cleaner — Prevents dirt and other debris from
entering the fuel system. Remove the wing nut on top
of the air cleaner to gain access to the filter elements.
NOTICE
Operating the engine without an air filter, or with a
damaged or worn air filter in need of replacement, will
allow dirt to enter the engine, causing rapid engine wear.
PAGE 20 — J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18)
Page 21
SETUP
UNPACKING THE HANDLE
The handle (Figure 5) is shipped in the folded, or stowed,
position.
1. To place the folding upper handle in the operational
position, turn the star wheel counterclockwise to
release it from its folded/stowed position.
2. Pull back on the upper handle to place the handle in
the operational position. Turn the star wheel clockwise
to secure the handle firmly in place.
OPERATIONAL
POSITION
FOLDED
POSITION
OPERATIONAL
POSITION
STAR
WHEEL
ASSEMBLY AND INSTALLATION
Some components must be installed before the trowel can
be operated. This section provides general instructions
on how to install these components. For detailed handle
assembly intructions, contact Multiquip and request
Instruction Sheet P/N 20485.
Handle Tube Installation
Attach the main handle (tube) to the gearbox using the
supplied hardware as shown in Figure 6.
MAIN HANDLE
(TUBE)
3/8" FLAT
WASHER
3/8"-16
NYLOC NUT
UPPER
HANDLE
Figure 5. Unpacking the Handle
3/8-16 × 3.25"
HEX HEAD BOLT
Figure 6. Handle Tube Installation
GEARBOX
Vibratory Handlebar Adjustment
The vibratory handlebar is already attached to the main
handle tube.
To adjust the height of the handlebar, loosen the star wheel
(Figure 7) and move the handlebar to the desired position.
Tighten the star wheel firmly to secure.
HANDLEBAR
HEIGHT
ADJUSTMENT
STAR WHEEL
J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18) — PAGE 21
Figure 7. Handlebar Adjustment
Page 22
SETUP
ADJUSTER
CLAMP
SCREW
THROTTLE
NOTICE
If additional handlebar adjustment is desired, a trowel
handle wedge kit (P/N 2576) can be purchased from
your Multiquip dealer.
The wedges are placed between the handle and
the gearbox, which will move your handle operating
position approximately 3 inches (76 mm) up or down.
The kit comes complete with wedges, new bolts, and
installation instructions.
Throttle Cable Installation
1. Uncoil the throttle cable and housing.
2. Make sure the throttle cable is fed through the tube on
the underside of the handle and secured to the upper
handle and main tube with zip ties.
3. Place the throttle lever (Figure 8) in the RUN position.
RUN
THROTTLE
LEVER
4. Loosen the cable housing clamp screw and the swivel
stop screw (Figure 9).
NUT
CLAMP
SCREW
CABLE
HOUSING
Figure 9. Throttle Cable Installation
CABLE
END
SWIVEL
STOP
RETURN
SPRING
THROTTLE
CABLE
SWIVEL
STOP HOLE
CABLE
HOUSING
END
5. Place the primary throttle return spring between
the cable housing clamp and the swivel stop screw
(Figure 9).
6. Feed the cable assembly through the cable housing
clamp, return spring, and swivel stop hole, until the
cable housing extends under the housing clamp to its
far edge (Figure 9).
7. On the throttle lever, slightly loosen the locking nut and
cable retaining screw (Figure 10).
Figure 8. Throttle Lever (Run)
LOCKING
NUT
THROTTLE
LEVER
RUN
IDLE
CABLE
RETAINING
Figure 10. Adjusting Cable Tension
8. Make sure the throttle cable is seated in the throttle
cable receiver (Figure 10).
PAGE 22 — J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18)
CABLE
THROTTLE
WIRE
THROTTLE CABLE
RECEIVER
Page 23
SETUP
9. Route the throttle wire approximately 1/2 inch past the
cable retaining screw (Figure 10). Tighten the cable
retaining screw to secure the throttle wire.
10. Adjust cable tension as needed by loosening or
tightening the locking nut and cable retaining screw
on the throttle lever (Figure 10).
NOTICE
If the throttle lever does not return to the neutral position
with the throttle backed off, loosen the adjusting nut
1/2 turn at a time, tighten, and recheck. Readjust throttle
tension as necessary.
Centrifugal Safety Stop Switch Connection
Connect the black tail wire from the engine to the black
safety stop wire from the centrifugal stop switch as shown
in Figure 11.
Blade Pitch Cable Installation
1. For trowels equipped with a standard handle (SXH),
turn the star wheel counterclockwise to release
tension on the blade pitch cable. See Figure 12.
INCREASE
BLADE PITCH
(CW)
Figure 12. Blade Pitch Cable Adjustment
(Standard Handle)
2. For trowels equipped with a Quick Pitch™ handle
(QXH), squeeze the trigger lock and push the T-handle
towards the engine to release tension on the blade pitch
cable. See Figure 13.
DECREASE
BLADE PITCH
(CCW)
SAFETY STOP WIRE
CONNECTION POINT
Figure 11. Centrifugal Safety Stop Switch
Connection
T-HANDLE
TRIGGER
LOCK
NO
PITCH
Figure 13. Blade Pitch Cable Adjustment
(Quick Pitch™ Handle)
FULL
PITCH
CAUTION
The Quick Pitch™ T-handle is under spring tension and
can snap in the direction of force (toward the user) if not
firmly grasped, which may cause bodily injury.
J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18) — PAGE 23
Page 24
NUT #2
SETUP
3. Remove brass set nut #1 from the end of the blade
pitch cable (Figure 14).
BLADE
PITCH
CABLE
BRASS SET
NUT #1
BRASS SET
Figure 14. Blade Pitch Cable
4. Thread brass set nut #2 as far as possible towards the
blade pitch cable (Figure 14).
5. Insert the blade pitch cable end through the yoke eyelet
(Figure 15). Tighten brass set nut #1 by hand to remove
all slack from the cable.
BLADE
PITCH
CABLE
Pre-Load Adjustment (Quick Pitch™ Handle Only)
CAUTION
The Quick Pitch™ handle is spring-loaded. Personal
injury or damage can result from improper handling,
installation, or adjustment. Use extreme caution when
handling this component.
After the Quick Pitch™ handle has been installed, spring
pre-load adjustment is required.
1. Locate the spring pre-load adjustment screw (Figure 16)
on the underside of the handle tube.
ALIGNMENT
DECAL
PRELOAD TRIM INDICATOR
FINISH
FINISH
COMBO
J
COMBO
J
PRELOADTRIM INDICATOR
FINISH
B
FINISH
COMBO
COMBO
B
PRE-LOAD
INDICATOR
ADJUSTMENT
SCREW
YOKE
YOKE
EYELET
BRASS SET
NUT #2
BRASS SET
NUT #1
Figure 15. Cable Yoke Attachment
6. Tighten brass set nut #2 against the yoke boss to
secure the cable in place.
7. Tighten brass set nut #1 against the yoke boss.
Figure 16. Spring Pre-Load Adjustment
2. An alignment decal (Figure 16) has been placed on
the side of the handle tube to assist the user with
adjustment of the Quick Pitch™ handle spring. Turn
the adjustment screw until the sliding pre-load indicator
aligns with the letter ‘J’ on the decal.
PAGE 24 — J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18)
Page 25
SETUP
5/16-18 × 1-1/4"
TROWEL BLADE
GUARD-BUMPER
36-Inch to 30-Inch Guard Ring Conversion
1. Remove and retain the four 5/16-18 × 1-1/4"
HHFS screws and four 5/16-18 × 1-1/2" HHFS
screws securing the 8" × 14" trowel blades to the
spider assembly (Figure 17).
HHFS SCREW
5/16-18 × 1-1/2"
HHFS SCREW
8" × 14"
2. Remove the twelve M8-1.25 × 25 mm HHC screws and
M8-1.25 nyloc nuts securing the 36" guard-bumper
ring assembly to the 30" guard ring (Figure 18). Retain
all twelve nyloc nuts and six of the M8-1.25 × 25 mm
screws for installation of the 30" guard-bumper ring
assembly.
30" GUARD
RING
M8-1.25 × 25 mm
HHC SCREW
M8-1.25
NYLOC NUT
36"
RING ASSEMBLY
Figure 17. 14-Inch Trowel Blade Removal
Figure 18. 36-Inch Guard-Bumper Ring
Assembly Removal
NOTICE
DO NOT discard the six remaining M8-1.25 × 25 mm
screws! Retain them in a safe location, as they will be
needed when converting the trowel back to the 36"
guard ring configuration.
NOTICE
The 36" guard-bumper ring assembly is designed
to be removed and reinstalled without being fully
disassembled. The 36" guard-bumper ring assembly
consists of six guard ring segments, a bumper ring,
and a bumper. For ease of installation, leave these
components assembled.
3. Locate the bag containing six M8-1.25 × 45 mm HHC
screws provided for installation of the 30" guard-bumper
ring assembly. Remove the screws from the packaging.
J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18) — PAGE 25
Page 26
NYLOC NUT
SETUP
5/16-18 × 1-1/2"
TROWEL BLADE
4. The inner surface of the 30" bumper is marked with
the letter ‘T.’ Orient the 30" bumper with the ‘T’ upward.
Orient the 30" bumper ring with the welded bushings
at the top of the ring.
5. Place the 30" bumper in between the 30" guard ring
and the 30" bumper ring a shown in Figure 19. Secure
the 30" bumper ring to the 30" guard ring with the
six provided M8-1.25 × 45 mm HHC screws and six
retained M8-1.25 nyloc nuts.
M8-1.25 × 45 mm
HHC SCREW
30" GUARD
RING
M8-1.25 × 25 mm
HHC SCREW
7. Secure four 8" × 10.5" trowel blades to the spider
assembly (Figure 20) with the four 5/16-18 × 1-1/4"
HHFS screws and four 5/16-18 × 1-1/2" HHFS screws
that were removed in step #1.
NOTICE
DO NOT install trowel blades that extend beyond the
outermost diameter of the guard ring bumper.
HHFS SCREW
5/16-18 × 1-1/4"
HHFS SCREW
30" BUMPER
30" BUMPER
Figure 19. 30-Inch Bumper Ring Installation
M8-1.25
RING
6. Install the six retained M8-1.25 × 25 mm HHC screws
and six remaining M8-1.25 nyloc nuts into the available
30" guard ring holes (Figure 19) and tighten securely.
8" × 10.5"
Figure 20. 10.5-Inch Trowel Blade Installation
PAGE 26 — J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18)
Page 27
5/16-18 × 1-1/2"
TROWEL BLADE
SETUP
NYLOC NUT
M8-1.25 × 45 mm
30-Inch to 36-Inch Guard Ring Conversion
1. Remove and retain the four 5/16-18 × 1-1/4"
HHFS screws and four 5/16-18 × 1-1/2" HHFS
screws securing the 8" × 10.5" trowel blades to the
spider assembly (Figure 21).
HHFS SCREW
5/16-18 × 1-1/4"
HHFS SCREW
2. Remove the six M8-1.25 × 25 mm HHC screws, six
M8-1.25 × 45 mm HHC screws, and twelve M8-1.25
nyloc nuts securing the 30" bumper ring to the 30"
guard ring (Figure 22). Retain the twelve nyloc nuts
and six M8-1.25 × 25 mm screws for installation of the
36" guard-bumper ring assembly.
NOTICE
DO NOT discard the six removed M8-1.25 × 45 mm
screws! Retain them in a safe location, as they will be
needed when converting the trowel back to the 30"
edger configuration.
HHC SCREW
30" GUARD
RING
M8-1.25 × 25 mm
HHC SCREW
8" × 10.5"
Figure 21. 10.5-Inch Trowel Blade Removal
30" BUMPER
M8-1.25
Figure 22. 30-Inch Bumper Ring Removal
RING
3. Locate the six additional M8-1.25 × 25 mm HHC
screws retained from the 36-inch to 30-inch guard
ring conversion.
J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18) — PAGE 27
Page 28
GUARD-BUMPER
SETUP
4. Secure the 36-inch guard-bumper ring assembly to the
30-inch guard ring with the twelve M8-1.25 × 25 mm
HHC screws and M8-1.25 nyloc nuts (Figure 23).
30" GUARD
RING
Figure 23. 36-Inch Guard-Bumper Ring
Assembly Installation
M8-1.25 × 25 mm
HHC SCREW
M8-1.25
NYLOC NUT
36"
RING ASSEMBLY
5. Secure four 8" × 14" trowel blades to the spider
assembly with four 5/16-18 × 1-1/4" HHFS screws and
5/16-18 × 1-1/2" HHFS screws (Figure 24).
NOTICE
DO NOT install trowel blades that extend beyond the
outermost diameter of the guard ring bumper.
5/16-18 × 1-1/4"
HHFS SCREW
5/16-18 × 1-1/2"
HHFS SCREW
8" × 14"
TROWEL BLADE
Figure 24. 14-Inch Trowel Blade Installation
PAGE 28 — J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18)
Page 29
Float Disc Installation (Optional)
Float discs, or pans, attach to the trowel blades and
allow the trowel to ‘float’ on wet concrete. The disc design
facilitates early floating and easy movement from wet to
dry areas. Float discs are also very effective at embedding
large aggregates and surface hardeners.
Refer to Figure 25 when installing float discs.
BLADE STOP
LATCH PIN
BLADE
SETUP
FLOAT DISC/PAN
Figure 25. Float Disc Installation
1. Lift the trowel just enough to slide the pan under the
blades. Lower the trowel onto the pan with the blades
between the blade stops.
2. Fit the blades between the blade stops. Be sure to
rotate the blades in the same direction as when the
machine is in operation, or use the engine to rotate the
blades into position.
3. Route the latch pins through the blade stop holes.
4. Make sure the blade edges are secured between the
blade stops, and the latch pins are secured completely
over the blades.
J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18) — PAGE 29
Page 30
INSPECTION
ENGINE OIL
1. Place the trowel on secure, level ground with the
engine OFF.
2. Remove the dipstick (Figure 26) from the engine oil
filler hole and wipe it clean.
DIPSTICK
Figure 26. Engine Oil Dipstick
3. Reinsert the dipstick, then remove it again without
screwing it into the filler neck. Check the oil level shown
on the dipstick.
4. If the oil level is low (Figure 27), fill to the edge of the
oil filler hole with the recommended oil type listed
in Table 5. Refer to Table 2 for maximum engine oil
capacity.
FUEL
Remove the fuel filler cap and inspect the fuel level in
the tank. If fuel is low, replenish with 86 octane or higher
unleaded gasoline.
DANGER
Motor fuels are highly flammable and
can be dangerous if mishandled. NEVER
smoke while refueling. NEVER attempt to
refuel while the engine is running or hot!
WARNING
ALWAYS use a strainer for filtration while refueling.
NEVER top off fuel. ALWAYS wipe up any spilled fuel
immediately.
GEARBOX OIL
1. Look at the sight glass on the side of the gearbox
(Figure 28) to determine if gearbox oil is low. The
correct oil level is to the halfway point on the sight glass.
GEARBOX
SIGHT GLASS
UPPER LIMIT
LOWER LIMIT
Figure 27. Engine Oil Level
Table 5. Engine Oil Type
Season Temperature Oil Type
Summer 25°C or Higher SAE 10W-30
Spring/Fall 25°C–10°C SAE 10W-30/20
Winter 0°C or Lower SAE 10W-10
PAGE 30 — J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18)
DRAIN/FILL
PLUG
Figure 28. Gearbox Oil
2. If gearbox oil is low, remove the drain/fill plug
(Figure 28) and fill with Mobil SHC™ 634 industrial
synthetic gear oil until the correct oil level is reached.
Replace the drain/fill plug when finished.
3. If there is too much oil in the gearbox, remove the
drain/fill plug and allow the oil to seep out. Replace the
plug once the correct oil level is reached.
Page 31
INSPECTION
OIL-SOAKED
WEAR
V-BELT
1. Inspect the V-belt (Figure 29) to determine if it is frayed,
peeling, full of tiny cracks, has pieces of rubber missing,
or is otherwise damaged.
GLAZED
CRACKS
SIDEWALL
Figure 29. V-Belt Inspection
2. Inspect the V-belt (Figure 29) to determine if it is
oil-soaked or glazed (a hard, shiny appearance on the
sides of the belt). Either of these conditions can cause
overheating of the belt, which may weaken the belt and
increase the possibility of it breaking.
CORD FAILURE
WORN BACK
COVER
BROKEN
MISSING
RUBBER
BLADES
Inspect the trowel blades for wear or damage (Figure 31). If
one blade is worn out while the others look new, there could
be a blade pitch problem. Refer to the Maintenance section
of this manual for the blade pitch adjustment procedure.
Replace any worn or damaged blades immediately.
WORN
Figure 31. Blade Inspection
CENTRIFUGAL SAFETY STOP SWITCH
Your trowel is equipped with a centrifugal safety stop switch
(Figure 32). This switch should be tested every time
the engine is started. Refer to the Operation section for
more information.
3. Replace the V-belt immediately if any of the
aforementioned wear conditions are observed.
BELT GUARD
Inspect the belt guard (Figure 30) for damage and loose
or missing hardware.
CRACK
MISSING
HARDWARE
MOUNTING
HARDWARE
Figure 30. Belt Guard Inspection
CRACK
OFF
ON
CENTRIFUGAL
SAFETY STOP
SWITCH
Figure 32. Centrifugal Safety Stop Switch
The switching mechanism should operate freely, and should
always be kept in this condition. With the switch in the OFF
position, the engine should not start or run. The purpose of
this switch is to stop the engine during a runaway situation
(i.e. the operator releases the handle during operation).
J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18) — PAGE 31
Page 32
ENGINE SWITCH
OPERATION
This section is intended to assist the operator with the initial
startup of the walk-behind trowel. It is extremely important
that this section be read carefully before attempting to use
the trowel in the field. DO NOT use your trowel until this
section is thoroughly understood.
BEFORE STARTING
NOTICE
DO NOT attempt to operate the trowel until the Safety,
Inspection, and Operation sections of this manual
have been read and thoroughly understood.
1. Clean the trowel, particularly the engine cooling air
inlet. Remove all dirt and dust.
2. Inspect the engine air cleaner for dirt and dust. Replace
the air cleaner if it is dirty.
3. Inspect the carburetor for external dirt and dust. Clean
with dry compressed air as needed.
4. Inspect all fastening nuts and bolts for tightness.
2. Place the engine ON/OFF switch in the ON position
(Figure 34).
OFF
ON
Figure 34. Engine ON/OFF Switch (ON)
3. Place the throttle lever in the IDLE position (Figure 35).
IDLE
STARTING THE ENGINE
1. Place the engine fuel valve lever in the OPEN position
(Figure 33).
FUEL VALVE
LEVER
OFF
Figure 33. Engine Fuel Valve Lever (Open)
ON
THROTTLE
LEVER
Figure 35. Throttle Lever (Idle)
4. If starting a cold engine, place the choke lever in the
CLOSED position (Figure 36).
CHOKE LEVER
CLOSE
OPEN
PAGE 32 — J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18)
Figure 36. Choke Lever (Closed)
Page 33
SWITCH
OPERATION
5. If starting a warm engine, place the choke lever in the
OPEN position (Figure 37).
CHOKE LEVER
CLOSE
Figure 37. Choke Lever (Open)
OPEN
6. Slowly pull the starter grip (Figure 38) until resistance
is felt, then pull briskly and smoothly to start the engine.
Gently return the starter grip to its original position.
CENTRIFUGAL SAFETY STOP SWITCH TEST
CAUTION
Test the centrifugal safety stop switch every time the
engine is started.
NEVER operate the trowel without making sure the
switch is operational.
1. Clear the area around the trowel. Make sure it is free
of debris and objects.
2. With the engine running at idle, place the safety stop
switch lever in the OFF position (Figure 39). Verify that
the engine shuts off. If the engine continues to run,
replace the centrifugal safety stop switch.
OFF
STARTER GRIP
Figure 38. Starter Grip
7. If the engine has started, slowly return the choke lever
to the CLOSED position (Figure 36). If the engine has
not started, repeat steps 1–6.
8. Before operating the trowel, run the engine for several
minutes and check for fuel leaks and loose components.
CENTRIFUGAL
SAFETY STOP
Figure 39. Centrifugal Safety Stop Switch (OFF)
3. Place the safety stop switch lever in the ON position.
Restart the engine and let it idle.
4. Stand behind the handle in the operator’s position
(Figure 40) and spin the handle to the right, simulating
a runaway condition. Centrifugal force should throw
the safety switch outward to the OFF position, thus
shutting off the engine.
C
L
E
K
K
E
E
E
E
P
P
A
R
R
A
E
L
C
J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18) — PAGE 33
Figure 40. Centrifugal Safety Stop Switch Test
Page 34
OPERATION
TO BEGIN TROWELING
Place the throttle lever (Figure 41) in the RUN position.
RUN
THROTTLE
LEVER
Figure 41. Throttle Lever (Run)
PITCHING THE BLADES
Standard Handle
To pitch the blades upward with the standard handle
(Figure 42), turn the star wheel clockwise. Turn the star
wheel counterclockwise to pitch the blades flat (no pitch).
BLADE PITCH
STAR WHEEL
Quick Pitch™ Handle
To pitch the blades upward with the Quick Pitch™ handle
(Figure 43), pull the T-handle backward while squeezing
the trigger lock. Push the T-handle forward to pitch the
blades flat (no pitch).
T-HANDLE
TRIGGER
LOCK
NO
PITCH
Figure 43. Pitching the Blades
(Quick Pitch™ Handle)
FULL
PITCH
INCREASE
BLADE PITCH
(CW)
Figure 42. Pitching the Blades
(Standard Handle)
DECREASE
BLADE PITCH
(CCW)
PAGE 34 — J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18)
Page 35
MANEUVERING THE TROWEL
OPERATION
1. Stand in the operator’s position behind the handle. With
secure footing and a firm grasp on the handle, slowly
increase the engine speed until the desired blade speed
is obtained.
2. Figure 44 illustrates a typical walk-behind trowel
application. Practice maneuvering the trowel. The trick
is to let the trowel do the work.
To move the trowel to the operator’s left,
lift up on the handle. To move the trowel
to the right, push down on the handle.
REMEMBER! If
you let go of the
trowel, simply step
away and let the
trowel come to a
complete STOP
before trying to
recover it.
3. Continue to practice maneuvering the trowel as if
finishing a slab of concrete. Practice edging and
covering a large area.
4. An effective finishing technique is to work backward.
Be careful when moving backward so that hazards
can be avoided. The best way to get accustomed to
the trowel is repeated use.
BACKWARD
BACKWARD
The best method for finishing concrete is
to slowly walk backward with the trowel,
guiding it from side to side. This will cover
CAUTION
NEVER place your hands or feet inside the guard rings
while starting or operating this equipment.
J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18) — PAGE 35
any footprints in the wet concrete.
Figure 44. Maneuvering the Trowel
CAUTION
ALWAYS stay clear of rotating or moving parts while
operating this equipment.
Page 36
ENGINE SWITCH
SWITCH
OPERATION
STOPPING THE TROWEL
1. Return the throttle lever to the IDLE position (Figure 45)
and let the engine run for three minutes at low speed.
IDLE
THROTTLE
LEVER
Figure 45. Throttle Lever (Idle)
2. Release the handle and place the engine ON/OFF
switch in the OFF position (Figure 46).
OFF
4. Place the fuel valve lever in the CLOSED position
(Figure 48).
FUEL VALVE
LEVER
OFF
Figure 48. Fuel Valve Lever (Closed)
ON
CONCRETE FINISHING TECHNIQUES
The instructions in this manual are provided as a basic
guide to trowel operation, not a complete guide to concrete
finishing. We suggest that all operators (experienced and
novice) read Slabs on Ground published by the American
Concrete Institute.
ON
Figure 46. Engine ON/OFF Switch (OFF)
3. Place the centrifugal safety stop switch (Figure 47) in
the OFF position.
OFF
CENTRIFUGAL
SAFETY STOP
Figure 47. Centrifugal Safety Stop Switch (OFF)
PAGE 36 — J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18)
Page 37
OPTIONS
HANDLES
Standard Handle
The standard walk-behind trowel handle (Figure 49) is
equipped with a star wheel for blade pitch adjustment.
Refer to the Operation section of this manual for
more information.
STAR WHEEL
Quick Pitch™ Handle (Optional)
The optional Quick Pitch™ handle (Figure 50) allows the
operator to quickly and easily adjust blade pitch using a
spring-loaded T-handle. Refer to the Operation section of
this manual for more information. Please contact Multiquip
unit sales to order this option.
T-HANDLE
Figure 49. Standard Handle
Figure 50. Quick Pitch™ Handle
J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18) — PAGE 37
Page 38
BLADES AND PANS
Trowel blades are essential for finishing concrete. The
blades of this trowel were built to stringent quality standards
from the finest steel. Trowel blades should be replaced
when they fail to finish concrete in a satisfactory manner.
If replacement blades are needed, refer to the parts manual
provided with your trowel for part numbers, and order from
your Multiquip parts dealer or importer.
Combination Blades (Standard)
This trowel is equipped with combination blades (Figure 51)
which provide optimal performance for both floating and
finishing operations. These blades are versatile and should
satisfy most troweling needs.
OPTIONS
Figure 53. Clip-On Float Blade
Float Discs (Optional)
Float discs, or pans (Figure 54), attach to the spider
assembly and allow the trowel to float on wet concrete.
The disc design allows early floating and easy movement
from wet to dry areas. Float discs are also very effective
at embedding large aggregates and surface hardeners.
Figure 51. Combination Blade
Finish Blades (Optional)
Finish blades (Figure 52) are specifically designed for
trowel finishing operations, and provide premium surface
finishing capability. Finish blades should only be used after
the concrete has partially dried enough to prevent the trowel
from sinking into the concrete when placed on it.
Figure 52. Finish Blade
Clip-On Float Blades (Optional)
Clip-on float blades (Figure 53) are easily installed onto
existing finish blades for floating purposes. They are easily
removed once floating is complete so that finishing can
proceed immediately.
Figure 54. Float Disc/Pan
NOTICE
For optimal pan performance, blade speed must be
lowered using the Low Speed Kit (P/N LOWSPEEDKITJB).
Refer to the Engine and Clutch Assembly section of
the trowel parts manual for more information.
TROWEL ARM ADJUSTMENT TOOL
If the trowel blades show uneven wear patterns, or some
blades wear out faster than others, the trowel arms
may need to be adjusted. A trowel arm adjustment tool
(P/N 1817) is available for consistent adjustment of all
trowel arms. See Figure 55.
PAGE 38 — J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18)
Figure 55. Trowel Arm Adjustment Tool
Page 39
Table 6. Engine Maintenance Schedule
MAINTENANCE
Description
(3)
Operation
Before
Each
Use
First Month
or 20 Hrs.
Every 6
Months or
100 Hrs.
Every Year
or 300 Hrs.
Every 2
Years or
500 Hrs.
Check X
Engine Oil
Change X X
Check X
Air Cleaner
Clean X (1)
Change X (*)
Check/Adjust X
Spark Plugs
Replace X
Spark Arrester Clean X
Fuel Filter Replace X (2)
Fuel Tube Check Every 2 years (replace if necessary) (2)
* Replace the paper filter element only.
(1) Service more frequently when used in dusty areas.
(2) These components should be serviced by your service dealer unless you have the proper tools and are mechanically
proficient. Refer to your engine shop manual for service procedures.
(3) For commercial use, log hours of operation to determine proper maintenance intervals.
Table 7. Trowel Maintenance Schedule
Periodic Maintenance Interval
Item Operation
Daily
Every
50–60 Hrs.
Every
200–300 Hrs.
Every
2000–2500 Hrs.
V-Belt Check/Replace X
Trowel Arms Grease X
Blades Check/Replace X
Trowel Arms Remove/Clean X
Thrust Collar/Bushing Remove/Clean X
Blade Arms Adjust X
Arm Bushing Remove/Replace X
Wear Ring Remove/Replace X
Thrust Collar Bearing Remove/Replace X
Pitch Control Cable Check X
Clutch Remove/Clean X
J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18) — PAGE 39
Page 40
MAINTENANCE
General maintenance practices are crucial to the
performance and longevity of your trowel. This equipment
requires routine cleaning, lubrication, and inspection of
components for wear or damage.
Refer to Table 6 and Table 7 to schedule engine and trowel
maintenance. The following maintenance procedures can
prevent serious trowel malfunction or damage.
DANGER
NEVER use gasoline or low flash point
solvents to clean the engine or any of
its components. The possibility exists
of fire or explosion which can damage
the equipment and cause severe bodily
harm or even DEATH.
WARNING
Some maintenance operations may
require a running engine. ALWAYS
make sure the maintenance area
is well ventilated. Gasoline engine
exhaust contains poisonous carbon
monoxide gas that can result in
unconsciousness and/or DEATH
when inhaled.
CAUTION
ALWAYS allow the engine to cool before
servicing. NEVER attempt to service a
hot engine.
ENGINE MAINTENANCE
Inspect the engine daily for cleanliness, oil or fuel leakage,
and loose fasteners.
Air Cleaner
CAUTION
ALWAYS wear personal protective
equipment such as approved safety
glasses, face shields, dust masks, or
respirators when cleaning air filters with
compressed air.
The engine air cleaner is equipped with a replaceable,
high-density, paper element. Refer to Figure 56 for air
cleaner maintenance.
BLOW COMPRESSED
AIR FROM THE
INSIDE OUT
WING NUT
AIR CLEANER
COVER
FOAM FILTER
ELEMENT
PAPER FILTER
ELEMENT
CAUTION
ALWAYS disconnect the spark plug wire from the
spark plug and secure it away from the engine before
performing trowel maintenance or adjustments.
PAGE 40 — J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18)
GASKET
Figure 56. Air Cleaner Maintenance
1. Remove the air cleaner cover and foam filter element.
2. To remove dirt, tap the paper filter element several
times on a hard surface or blow compressed air, not
exceeding 30 psi (207 kPa, 2.1 kgf/cm²), through the
filter element from the inside out. NEVER brush off
dirt. Brushing will force dirt into the fibers. Replace the
paper filter element if it is excessively dirty.
Page 41
MAINTENANCE
OIL-SOAKED
WEAR
3. Clean the foam element in warm, soapy water or a
nonflammable solvent. Rinse and dry thoroughly. Dip
the element in clean engine oil and completely squeeze
out the excess oil from the element before reinstalling.
NOTICE
Operating the engine with loose or damaged air cleaner
components can allow unfiltered air into the engine,
causing premature wear and failure.
Engine Oil
NOTICE
ALWAYS drain the engine oil while the oil is warm.
1. Remove the drain bolt and sealing washer, and allow
the oil to drain into a suitable container (Figure 57).
OIL FILLER
DIPSTICK
Spark Plug
1. Remove the spark plug (Figure 58) and clean it with a
wire brush if it is to be reused. Replace the spark plug
if the insulator is cracked or chipped.
GAP: 0.028 – 0.031 in.
(0.7 – 0.8 mm)
Figure 58. Spark Plug
2. Using a feeler gauge, adjust the spark plug gap
(Figure 58). The gap should measure 0.028–0.031
inch (0.7–0.8 mm).
DRAIN
BOLT
SEALING
WASHER
Figure 57. Draining Engine Oil
2. Replace the engine oil with the recommended oil type
listed in Table 5. For engine oil capacity, see Table 2.
DO NOT overfill.
3. Reinstall the drain bolt with sealing washer and tighten
securely.
3. To prevent cross-threading, thread the spark plug into
the cylinder hole by hand, then tighten securely.
V-Belt
1. Inspect the V-belt (Figure 59) to determine if it is frayed,
peeling, full of tiny cracks, has pieces of rubber missing,
or is otherwise damaged.
GLAZED
CRACKS
SIDEWALL
Figure 59. V-Belt Inspection
2. Inspect the V-belt (Figure 59) to determine if it is
oil-soaked or glazed (a hard, shiny appearance on the
sides of the belt). Either of these conditions can cause
overheating of the belt, which can weaken the belt and
increase the possibility of it breaking.
CORD FAILURE
WORN BACK
COVER
BROKEN
MISSING
RUBBER
J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18) — PAGE 41
Page 42
MAINTENANCE
3. Replace the V-belt immediately if any of the above wear
conditions are observed.
Fuel Strainer
1. Thoroughly clean the area around the fuel tank cap.
2. Remove the fuel tank cap from the fuel tank.
3. Remove, inspect, and clean the fuel strainer (Figure 60)
with solvent.
FUEL TANK CAP
FUEL STRAINER
Figure 60. Fuel Strainer
Spark Arrester
1. Remove and retain the four 5 mm screws securing the
muffler protector to the muffler (Figure 61). Remove the
muffler protector and set it aside.
2. Remove and retain the 4 mm screw securing the spark
arrester to the muffler, and remove the spark arrester
(Figure 61).
3. Carefully remove carbon deposits from the spark
arrester screen (Figure 62) with a wire brush.
WIRE BRUSH
SPARK ARRESTER
SCREEN
Figure 62. Cleaning the Spark Arrester
4. Replace the spark arrester if it is damaged (has breaks
or holes).
5. Reinstall the spark arrester, muffler protector, and
exhaust deflector in reverse order of disassembly.
NOTICE
Refer to the manufacturer’s engine manual supplied
with your trowel for more detailed information about
engine maintenance and troubleshooting.
MUFFLER
PROTECTOR
MUFFLER
4 MM
SCREW
SPARK
ARRESTER
Figure 61. Spark Arrester Removal
PAGE 42 — J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18)
5 MM
SCREWS
Page 43
MAINTENANCE
TROWEL MAINTENANCE
Clean the trowel daily. Remove all dust and slurry
buildup. Make sure lubrication is performed after any
steam-cleaning.
Trowel Lubrication (Every 8 Hours)
Regular lubrication is required to maintain your trowel in
optimal working condition. Perform the following lubrication
procedure after every 8 hours of use.
1. Locate one of the Zerk grease fittings on the spider
assembly (Figure 63). Remove the Zerk fitting cap
and set it aside.
3. Lubricate the Zerk grease fitting with 1 to 1½ shots
of multipurpose grade grease. DO NOT overgrease.
Replace the Zerk fitting cap when finished.
4. Repeat steps 1–3 for the remaining grease fittings on
the spider assembly.
Blade Pitch Adjustment
Perform maintenance adjustment of blade pitch using a
bolt on the trowel arm lever (Figure 64). This bolt is the
contact point of the trowel arm with the lower wear plate
on the thrust collar. The goal of adjustment is consistent
blade pitch and finishing quality.
BLADE PITCH
ADJUSTMENT
BOLT
TROWEL ARM
LEVER
TROWEL
ARM
ZERK GREASE
FITTING
ZERK FITTING
CAP
Figure 63. Spider Lubrication
2. Wipe the Zerk grease fitting clean to prevent abrasive
material from entering the fitting during lubrication.
SPIDER
PLATE
TROWEL
BLADE
Figure 64. Blade Pitch Adjustment Bolt
Look for the following indications when determining if blade
pitch adjustment is necessary:
Are the blades wearing out unevenly (e.g. one blade is
completely worn out while the others look new)?
Does the machine have a perceptible rolling or bouncing
motion while in use?
Does the guard ring rock up and down while the machine
is in use?
J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18) — PAGE 43
Page 44
MAINTENANCE
PITCH
Once it has been determined that blade pitch adjustment
is required, do the following:
1. Place the trowel on a flat, level surface, with blocks
under the main guard ring for support. Any uneven
spots in the floor or debris under the trowel blades will
cause an incorrect perception of adjustment. Ideally,
a 5 ft. × 5 ft. (1.5 m × 1.5 m), 3/4 inch-thick, flat steel
plate should be used.
2. Pitch the blades as flat as possible (Figure 65).
The pitch adjustment bolts should barely contact
(0.10 inch maximum clearance) the lower wear plate.
All adjustment bolts should be spaced the same
distance from the lower wear plate. If any one of the
bolts does not make contact, adjustment is necessary.
GEARBOX
STEEL TEST
SURFACE
PITCH
ADJUSTMENT
BOLT
TROWEL
ARM
LOWER
WEAR PLATE
MOUNTING
BAR
BLADE
ADJUSTMENT
NO
BOLT
‘DISHED’ EFFECT ON
FINISHED CONCRETE
LOWER
WEAR PLATE
Figure 66. Blades Pitched Flat (Incorrect)
Spider Removal
1. Locate and loosen the cone point square head set
screw and attached jam nut on the side of the spider
assembly (Figure 67).
YOKE
ARM
GEARBOX
Figure 65. Blades Pitched Flat (Correct)
3. Adjust the ‘high’ bolts down to the level of the bolt that
is not touching, or adjust the ‘low’ bolt up to the level of
the higher ones. Whenever possible, adjust the ‘low’ bolt
up to the level of the rest of the bolts. This is the fastest
method, but it may not always work. After adjustment,
verify that the blades pitch correctly.
NOTICE
Incorrectly adjusted blades will often be unable to pitch
flat. This can occur if the adjustment bolts are raised
too high. Conversely, adjustment bolts that are too low
will prevent the blades from being pitched high enough
for finishing operations.
If the trowel still finishes poorly after blade pitch adjustment,
the blades, trowel arms, and trowel arm bushings should
be inspected for improper adjustment, wear, or damage.
Figure 66 illustrates incorrect spider plate alignment due
to improper adjustment, worn spider bushings, or bent
trowel arms.
GEARBOX
SHAFT
THRUST COLLAR
WITH BUSHING
JAM NUT
CONE POINT
SQUARE HEAD
SET SCREW
THRUST COLLAR
BEARING
WEAR RING
LOWER
WEAR PLATE
SPIDER
PLATE
Figure 67. Spider Removal
2. Carefully lift the upper trowel/gearbox assembly off of
the spider assembly. A light tap with a rubber mallet
may be necessary to dislodge the spider from the main
shaft of the gearbox.
PAGE 44 — J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18)
Page 45
MAINTENANCE
FITTING
TROWEL ARM
ROUND SHAFT
SECTION
ROLL PIN
HOLE
BLADE ATTACHMENT
BOLT HOLE
FLAT OF
HEXAGONAL SHAFT
(TOP OF ARM)
LEVER
MOUNTING
SLOT
TROWEL ARM
HEXAGONAL (HEX)
SHAFT SECTION
Blade Replacement
It is recommended to replace all of the trowel blades at the
same time. If only one or some of the blades are changed,
the machine may wobble or bounce and will not finish
concrete consistently.
NOTICE
Please note the orientation of each blade on the trowel
arm before removal.
1. Place the trowel on a flat, level surface, with blocks
under the main guard ring for support.
2. Remove the bolts and lock washers from each of the
trowel arms, then remove the blades as shown in
Figure 68.
TROWEL ARM
Trowel Arm Removal
1. Each trowel arm is held in place at the spider plate
by a Zerk grease fitting (hex head bolt) and a roll pin.
Remove the Zerk grease fitting and the roll pin from
the spider plate (Figure 69).
ROLL PIN
TROWEL
ARM
SPIDER PLATE
ZERK
CAP
GREASE
Figure 69. Trowel Arm Removal
2. Remove the trowel arm from the spider plate
(Figure 69).
BUSHING
BLADE
ATTACHMENT
BAR
TROWEL
BLADE
Figure 68. Blade Removal
3. Wire brush and remove all concrete and debris from
all six sides of each of the four trowel arms. This is
important to properly seat the new blades.
4. Install the new blades, maintaining the proper blade
orientation as noted during removal. Secure with the
bolts and washers that were removed earlier.
3. Carefully remove the trowel arm bushing (Figure 69).
4. Examine the trowel arm bushing, and clean it
if necessary. Replace the bushing if it is worn
or out-of-round.
Trowel Arm Inspection
Trowel arms (Figure 70) can be damaged by rough handling
such as dropping the trowel, or by striking exposed
plumbing, rebar, or other objects while in operation. A
bent trowel arm will prevent smooth, fluid rotation of the
blades. If bent trowel arms are suspected, examine them
for straightness as shown below.
Figure 70. Trowel Arm
J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18) — PAGE 45
Page 46
MAINTENANCE
TROWEL ARM FLAT TEST
.004 IN./0.10 MM
ADJUSTMENT TOOL
LOCKING NUT
1. Place the trowel arm on a thick steel plate, granite slab,
or any other surface which is true and flat (Figure 71).
SURFACE
ROUND SECTION
FEELER GAUGE
.005 IN./0.127 MM
HEX SECTION
FEELER GAUGE
Figure 71. Trowel Arm Inspection
2. Check each of the six sides of the trowel arm hex
section (Figure 71). A feeler gauge of .004 inch
(0.10 mm) should not pass between the flat of the
trowel arm and the test surface along its length on the
test surface.
3. As the flat hex section rests on the test surface, use
a feeler gauge of .005 inch (0.127 mm) to check the
clearance between the round shaft section and the test
surface. Rotate the arm to each of the flat hex sections
and check the clearance between the round shaft and
the test surface. The clearance between the round shaft
and the test surface should be identical for each hex
section. See Figure 71.
4. Replace any bent or uneven trowel arms.
Trowel Arm Adjustment
The easiest and most consistent way to adjust a trowel arm
is with the trowel arm adjustment tool (P/N 1817).
Once locked into the adjustment tool, each trowel arm
bolt is adjusted until it contacts a stop on the fixture. This
will consistently adjust all of the trowel arms, keeping the
finisher as flat and evenly pitched as possible.
The trowel arm adjustment tool comes with usage
instructions and all the hardware necessary to correctly
perform this adjustment.
Perform the following procedure to adjust trowel arms using
the trowel arm adjustment tool:
1. Unscrew the locking bolts on the adjustment tool and
place a trowel arm (with lever attached) into the fixture
channel as shown in Figure 72.
TROWEL ARM
(PLACED IN
FIXTURE CHANNEL)
SHIM
LOCKING
BOLTS
TROWEL ARM
TROWEL
ARM
LEVER
FIXTURE
ARM
FIXTURE
ADJUSTMENT
BOLT
DISTANCE = .010 in.
.010"
TROWEL ARM
ADJUSTMENT BOLT
TROWEL ARM
Figure 72. Trowel Arm Adjustment
2. Make sure the fixture arm is in the UP position
(Figure 73).
UP
DOWN
Figure 73. Fixture Arm Position (UP)
CORRECT
INCORRECT
3. A thin shim (Figure 72) may be required to cover the
blade holes on the trowel arm. Be sure to align the trowel
arm adjustment bolt with the fixture adjustment bolt.
4. Tighten the locking bolts (Figure 72) to secure the
trowel arm in place.
5. Adjust the bolt distance shown in Figure 72 to match
one of the arms. The other arms will be adjusted to
match this distance.
6. Loosen the locking nut on the trowel arm lever, then
turn the trowel arm adjusting bolt until it barely touches
(.010") the fixture adjustment bolt. See Figure 72.
7. Once the correct adjustment has been made, tighten
the locking nut on the trowel arm to lock it in place.
8. Loosen the locking bolts on the adjustment tool, and
remove the trowel arm.
9. Repeat steps 1–8 for the remaining trowel arms.
PAGE 46 — J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18)
Page 47
MAINTENANCE
REASSEMBLY
1. Clean the wear plates and thrust collar, and examine
the entire spider assembly. Use a wire brush to remove
any concrete or rust buildup. Replace any spider
components that are damaged or out-of-round.
2. Inspect the bronze trowel arm bushing, and clean
it if necessary. If the bushing is damaged, worn, or
out-of-round, replace it.
3. Reinstall the trowel arm bushing onto the trowel arm.
4. Repeat steps 2–3 for each trowel arm.
5. Make sure the spring tensioner is in the correct position
to exert tension on the trowel arm.
6. Insert all trowel arms with levers (and bronze bushings
already installed) into the spider plate. Align the grease
holes on the bushings with the grease hole fittings on
the spider plate.
7. Lock the trowel arms in place by tightening the Zerk
grease fitting hex head bolts and jam nuts.
LONG-TERM STORAGE
Perform the following procedure when storing the trowel
for more than 30 days.
Drain the fuel tank completely, or add STA-BIL® to
the fuel.
Run the engine until all gasoline in the carburetor is
completely consumed.
Completely drain the oil from the crankcase and refill
with fresh oil.
Remove the spark plug. Pour 5–10 cc of SAE 30 oil into
the cylinder. Turn the engine ON/OFF switch to the ON
position for a few seconds to distribute the oil. Return the
engine ON/OFF switch to the OFF position, and reinstall
the spark plug.
Clean off all external trowel components with a cloth.
Cover the trowel and store it away from direct sunlight
in a clean, dry location.
8. Reinstall the blades onto the trowel arms.
9. Install the stabilizer ring onto the spider assembly.
10. Reinstall the lower wear plate, thrust collar, and wear
ring onto the spider shaft in the reverse order of
disassembly. Make sure there is little or no lateral
movement between the thrust collar and the spider
shaft.
11. Carefully lift the upper trowel/gearbox assembly, align
it with the keyway on the spider shaft, and insert it into
the spider assembly.
12. Reinstall the cone point square head set screw and jam
nut, and tighten securely. Make sure the point of the set
screw engages the groove in the gearbox main shaft.
13. Lubricate all grease points (Zerk fittings) with premium
lithum 12-based grease, conforming to NLG1 grade #2
consistency.
J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18) — PAGE 47
Page 48
Symptom Possible Problem Solution
Diffi cult to start, fuel is available, but no spark at
spark plug.
Diffi cult to start, fuel is available, and spark is
present at the spark plug.
Diffi cult to start, fuel is available, spark is
present and compression is normal.
Diffi cult to start, fuel is available, spark is
present and compression is low.
No fuel present at carburetor.
TROUBLESHOOTING (ENGINE)
Troubleshooting (Engine)
Spark plug bridging? Check gap, insulation or replace spark plug.
Carbon deposit on spark plug? Clean or replace spark plug.
Short circuit due to defi cient spark plug
insulation?
Improper spark plug gap? Set to proper gap.
Spark plug is red? Check transistor ignition unit.
Spark plug is bluish white?
No spark present at tip of spark plug?
No oil? Add oil as required.
Oil pressure alarm lamp blinks upon starting? (if
applicable)
ON/OFF switch is shorted? Check switch wiring, replace switch.
Ignition coil defective? Replace ignition coil.
Improper spark gap, points dirty? Set correct spark gap and clean points.
Condenser insulation worn or short circuiting? Replace condenser.
Spark plug wire broken or short circuiting? Replace defective spark plug wiring.
Wrong fuel type?
Water or dust in fuel system? Flush fuel system.
Air cleaner dirty? Clean or replace air cleaner.
Choke open? Close choke.
Suction/exhaust valve stuck or protruded? Reseat valves.
Piston ring and/or cylinder worn? Replace piston rings and/or piston.
Cylinder head and/or spark plug not tightened
properly?
Head gasket and/or spark plug gasket damaged? Replace head and spark plug gaskets.
No fuel in fuel tank? Fill with correct type of fuel.
Fuel cock does not open properly?
Fuel fi lter/lines clogged? Replace fuel fi lter.
Fuel tank cap breather hole clogged? Clean or replace fuel tank cap.
Air in fuel line? Bleed fuel line.
Check spark plug insulation, replace if worn.
If insuffi cient compression, repair or replace
engine. If injected air leaking, correct leak. If
carburetor jets clogged, clean carburetor.
Check transistor ignition unit is broken, and
replace defective unit. Check if voltage cord
cracked or broken and replace. Check if spark
plug if fouled and replace.
Check automatic shutdown circuit, "oil sensor".
(if applicable)
Flush fuel system, replace with correct type of
fuel.
Torque cylinder head bolts and spark plug.
Apply lubricant to loosen fuel cock lever,
replace if necessary.
PAGE 48 — J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18)
Page 49
Symptom Possible Problem Solution
Weak in power, compression is proper and
does not misfi re.
Weak in power, compression is proper but
misfi res.
Engine overheats
Rotational speed fl uctuates.
Recoil starter malfunctions. (if applicable)
Starter malfunctions.
Burns too much fuel.
Exhaust color is continuously "white".
Exhaust color is continuously "black".
Will not start, no power with key "ON". (if
applicable)
TROUBLESHOOTING (ENGINE)
Troubleshooting (Engine) - continued
Air cleaner dirty? Clean or replace air cleaner.
Improper level in carburetor? Check fl oat adjustment, rebuild carburetor.
Defective spark plug? Clean or replace spark plug.
Improper spark plug? Set to proper gap.
Water in fuel system?
Dirty spark plug? Clean or replace spark plug.
Ignition coil defective? Replace ignition coil.
Wrong type of fuel? Replace with correct type of fuel.
Cooling fi ns dirty? Clean cooling fi ns.
Intake air restricted?
Oil level too low or too high? Adjust oil to proper level.
Governor adjusted incorrectly? Adjust governor.
Governor spring defective? Replace governor spring.
Fuel fl ow restricted? Check entire fuel system for leaks or clogs.
Recoil mechanism clogged with dust and dirt? Clean recoil assembly with soap and water.
Spiral spring loose? Replace spiral spring.
Loose, damaged wiring?
Battery insuffi ciently charged? Recharge or replace battery.
Starter damaged or internally shorted? Replace starter.
Over-accumulation of exhaust products?
Wrong spark plug?
Lubricating oil is wrong viscosity? Replace lubricating oil with correct viscosity.
Worn rings? Replace rings.
Air cleaner clogged? Clean or replace air cleaner.
Choke valve set to incorrect position? Adjust choke valve to correct position.
Carburetor defective, seal on carburetor
broken?
Poor carburetor adjustment, engine runs too
rich?
ON/OFF device not activated ON? Turn on ON/OFF device.
Battery disconnected or discharged?
Ignition switch/wiring defective? Replace ignition switch. Check wiring.
Flush fuel system and replace with correct
type of fuel.
Clear intake of dirt and debris. Replace air
cleaner elements as necessary.
Ensure tight, clean connections on battery
and starter.
Check and clean valves. Check muffl er and
replace if necessary.
Replace spark plug with manufacturer's
suggested type.
Replace carburetor or seal.
Adjust carburetor.
Check cable connections. Charge or replace
battery
J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18) — PAGE 49
Page 50
Symptom Possible Problem Solution
Engine running rough or not at all.
Trowel bounces, rolls concrete, or makes
uneven swirls in concrete.
TROUBLESHOOTING (TROWEL)
Troubleshooting (Walk-Behind Trowel)
Engine ON/OFF Switch in "OFF" position
or malfunctioning?
Centrifugal ON/OFF Switch in "OFF"
position or malfunctioning?
Fuel?
Ignition?
Loose wire connections Check wiring. Replace or repair as necessary.
Bad contacts in ON/OFF switch? Replace ON/OFF switch.
Blades?
Pitch adjustment?
Bent trowel arms?
Spider?
Thrust collar?
Thrust collar bushing?
Thrust bearing worn?
Make sure that the Engine ON/OFF Switch is ON
or replace switch if necessary.
Place centrifugal stop switch in "ON" position.
Check wiring. Replace switch if necessary.
Look at the fuel system. Make sure there is fuel
being supplied to the engine. Check to ensure that
the fuel fi lter is not clogged.
Check to ensure that the ignition switch has power
and is functioning correctly.
Make certain blades are in good condition, not
excessively worn. Finish blades should measure
no less than 2"" (50mm) from the blade bar to
the trailing edge, combo blades should measure
no less that 3.5"" (89mm). Trailing edge of blade
should be straight and parallel to the blade bar.
Check that all blades are set at the same
pitch angle as measured at the spider. A fi eld
adjustment tool is available for height adjustment
of the trowel arms. (Contact Parts Dept.)
Check the spider assembly for bent trowel arms.
If one of the arms is even slightly bent, replace it
immediately.
Check fi t of arms in spider. This can be done by
moving the trowel arms up and down. If there is
more than 1/8 inch (3.2 mm) of travel at the tip of
the arm, the spider and arms should be replaced.
Check the fl atness of the thrust collar by rotating
it on the spider. If it varies by more than 0.02 inch
(0.5 mm) replace the thrust collar.
Check the thrust collar by rocking it on the spider.
If it can tilt more than 3/32 inch (2.4 mm) - as
measured at the thrust collar O.D., replace the
thrust collar.
Check the thrust bearing to see that it is spinning
freely. Replace if necessary.
PAGE 50 — J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18)
Page 51
TROUBLESHOOTING (TROWEL)
assembly should be checked for straightness.
Troubleshooting (Walk-Behind Trowel) - continued
Symptom Possible Problem Solution
The main output shaft of the gearbox
Machine has a perceptible rolling motion
while running.
Clutch slipping or sluggish response to
engine speed change.
Trowel blades do not rotate.
Main shaft?
Yoke?
Blade Pitch?
Worn V-belts? Replace V-belt.
Hand clutch out of adjustment?
Worn or defective hand clutch parts? Replace parts as necessary.
Worn bearings in gearbox?
Worn or broken gears in gearbox?
Defective clutch? Replace clutch.
Broken V-belt? Replace V-belt.
Defective ON/OFF switch?
Defective centrifugal ON/OFF switch?
The main shaft must run straight and cannot
be more than 0.003"" (0.08 mm) out of round
at the spider attachment point.
Check to make sure that both fi ngers of the
yoke press evenly on the wear cap. Replace
yoke as necessary.
Check to ensure that each blade is adjusted
to have the same pitch as all other blades.
Adjust per maintenance section in manual.
Adjust per instructions in maintenance
section of this manual.
Rotate input shaft by hand. If shaft rotates
with diffi culty, check the input and output
shaft bearings. Replace as necessary.
Verify that the gearbox shaft rotates when
the input shaft is rotated. Replace both the
worm and worm gear as a set.
Check and replace ON/OFF switch if
necessary.
Check and replace centrifugal ON/OFF
switch if necessary.
J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18) — PAGE 51
Page 52
CENTRIFUGAL
STOP SWITCH
WIRING DIAGRAM
O
N
O
F
F
OIL LEVEL
SWITCH
OIL LEVEL
INDICATOR
GRN
YEL
YEL
OIL ALERT
UNIT
BLK
BLK
BLK
ENGINE STOP
SWITCH
CHASSIS
GROUND
UNIT
TRANSISTORIZED
IGNITION UNIT
IGNITION
COIL
SPARK
PLUG
PAGE 52 — J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18)
Page 53
NOTES
J3036H55 WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (06/27/18) — PAGE 53
Page 54
OPERATION MANUAL
HERE’S HOW TO GET HELP
© COPYRIGHT 2018, MULTIQUIP INC.
Multiquip Inc
are registered trademarks of Multiquip Inc. and may not be used, reproduced, or altered without written permission. All other
trademarks are the property of their respective owners and used with permission.
This manual
The information and specifi cations included in this publication were in effect at the time of approval for printing. Illustrations, descriptions, references and technical data contained in
this manual are for guidance only and may not be considered as binding. Multiquip Inc. reserves the right to discontinue or change specifi cations, design or the information published
in this publication at any time without notice and without incurring any obligations.
PLEASE HAVE THE MODEL AND SERIAL
NUMBER ON-HAND WHEN CALLING
UNITED STATES
Multiquip Corporate Offi ce MQ Parts Department
18910 Wilmington Ave.
Carson, CA 90746
Contact : mq@multiquip.com
Service Department Warranty Department
800-421-1244
310-537-3700
Technical Assistance
800-478-1244 Fax: 310-943-2238
CANADA
Multiquip Multiquip (UK) Limited Head Offi ce
4110 Industriel Boul.
Laval, Quebec, Canada H7L 6V3
Contact : infocanada@multiquip.com
Tel. (800) 421-1244
Fax (310) 537-3927
Tel: (450) 625-2244
Tel: (877) 963-4411
Fax: (450) 625-8664
800-427-1244
310-537-3700
800-421-1244
310-537-3700
UNITED KINGDOM
Unit 2, Northpoint Industrial Estate,
Globe Lane,
Dukinfi eld, Cheshire SK16 4UJ
Contact : sales@multiquip.co.uk
Fax: 800-672-7877
Fax: 310-943-2249
Tel: 0161 339 2223
Fax: 0161 339 3226
, the MQ logo and the Whiteman logo
MUST accompany the equipment at all times. This manual is considered a permanent part of the equipment and should remain with the unit if resold.
Your Local Dealer is:
PN: 13412
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