MQ Multiquip HTNS5S-2 Operating instructions

Brand
MQ Multiquip
Model
HTNS5S-2
Type
Operating instructions
OPERATION MANUAL
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
To find the latest revision of this
publication, visit our website at:
www.multiquip.com
Revision #0 (03/14/17)
Original Version
PN: 24443
MODEL
HTNS5S-2
RIDE-ON POWER TROWEL
(SUBARU EH722 EFI GASOLINE ENGINE)
PAGE 2 — HTNS5S-2 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (03/14/17)
FUEL AND CHEMICAL EXPOSURE WARNINGS
Gasoline engine exhaust and some of
its constituents, and some dust
created by power sanding, sawing,
g rinding, d rillingand o ther
construction activities contain
chemicals knowto 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 masonryproducts
Arsenic and chromium from chemically
treated lumber
Your risk from these exposures varies,
depending on how often youdo this
type of work. To reduce your exposure
to these chemicals: work in a
well-ventilated area, and work with
approved safety equipment, suchas
dust masks that are specially designed
to filter out microscopic particles.
ALWAYS
HTNS5S-2 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (03/14/17) — PAGE 3
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.
WARNING
SILICOSIS WARNING RESPIRATORY HAZARDS
SILICOSIS/RESPIRATORY WARNINGS
PAGE 4 — HTNS5S-2 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (03/14/17)
TABLE OF CONTENTS
NOTICE
Specifications are subject to change without notice.
HTNS5S-2 Ride-On Trowel
Fuel and Chemical Exposure Warnings .................. 2
Silicosis/Respiratory Warnings ................................ 3
Table of Contents ..................................................... 4
Training Checklist .................................................... 5
Daily Pre-Operation Checklist ................................. 6
Safety Information ............................................. 7–12
Trowel Specifications/Dimensions ......................... 13
Noise and Vibration/Engine Specifications ............ 14
General Information ............................................... 15
Components .................................................... 16–17
Basic Engine .......................................................... 18
Set-Up ................................................................... 19
Inspection ........................................................ 20–21
Operation ......................................................... 22–23
Maintenance (Engine) ..................................... 24–27
Maintenance (Trowel) ..................................... 28–38
Wiring Diagram ................................................ 40–41
Wiring Diagram Component Locator ..................... 42
Troubleshooting ............................................... 43–46
HTNS5S-2 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (03/14/17) — PAGE 5
TRAINING CHECKLIST
Training Checklist
No, Description OK? Date
1
Read operation manual
completely.
2
Machine layout, location of
components, checking of engine
oil levels.
3 Fuel system, refueling procedure.
4 Operation of spray and lights.
5
Operation of controls (machine
not running).
6
Safety controls, safety stop switch
operation.
7 Emergency stop procedures.
8 Startup of machine, pre-heat.
9 Maintaining a hover.
10 Maneuvering.
11 Pitching.
12 Matching blade pitch. Twin-Pitch™
13 Concrete fi nishing techniques.
14 Shutdown of machine.
15 Lifting of machine (lift loops).
16 Machine transport and storage.
PAGE 6 — HTNS5S-2 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (03/14/17)
DAILY PRE-OPERATION CHECKLIST
Daily Pre-Operation Checklist
1 Engine oil level
2 Condition of blades
3 Blade pitch operation
4 Safety stop switch operation
5 Steering control operation
HTNS5S-2 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (03/14/17) — 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
or NOTICE.
SAFETY SYMBOLS
Potential hazards associated with the operation of this
equipment will be referenced with hazard symbols which
may appear throughout this manual in conjunction with
safety messages.
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
Indicates a hazardous situation which, if not avoided,
COULD result in MINOR or MODERATE INJURY.
NOTICE
Addresses practices not related to personal injury.
DECALS
Decals associated with the operation of this equipment
are defi ned below:
Keep hands and feet clear of guard rings.
Stop engine before servicing.
WARNING
Rotating Blade Hazard
To avoid injury you must read and
understand operator’s manual before
using this machine.
P/N 23700
allow any person
to stand underneath the trowel while lifting.
NEVER
P/N 360
99
ALWAYS wear protective clothing when
operating this equipment
This machine to be operated by qualified
personnel. Ask for training as needed.
Lifting Crush Hazard
lift trowel with pans attached.DO NOT
WARNING
WARNING
Read Manual
NEVER operate this equipment with guards
removed. Keep hands clear.
WARNING
Training
Guard Hazard
WARNING
make sure handle is securely attached.
On Quick Pitch™ models make sure T-Handle
latch is locked (engaged).
ALWAYS
DECAL
SAFETY HAZARD
PAGE 8 — HTNS5S-2 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (03/14/17)
SAFETY INFORMATION
P/N 203812
P/N 23808
P
/
N
2
3
8
0
6
P/N 23809
P
/
N
2
3
8
0
7
disassemble.
Spring inside is under compression.
DO NOT
DANGER
Spring Compression Hazard
DO NOT Use Water Hazard
Lifting Point. Attach lifting strap to this point
WARNING
DECAL
SAFETY HAZARD
Inhaling exhaust fumes can result in severe
injury or death.
Only operate equipment in well ventilated areas.
inhale exhaust gases/fumes.DO NOT
WARNING
Lethal Exhaust Gas Hazard
HOT PARTS can burn skin.
CAUTION
Burn Hazard
touch hot parts. Allow machine a
sufficient amount of time to cool before
performing maintenance.
DO NOT
Use gasoline only.unleaded
Lubrication Point. Apply grease.
Lifting Point. Attach lifting strap to this point
Right-Hand Pitch Control.Right-Hand Pitch Control.Right-Hand Pitch Control. Turn clockwise to
blade. Counterclockwise to bladeraise lower
Left-Hand Pitch Control. Turn clockwise to
blade. Counterclockwise to bladelower raise
GENERAL SAFETY
CAUTION
NEVER
operate this equipment without proper protective
clothing, shatterproof glasses, respiratory protection,
hearing protection, steel-toed boots and other protective
devices required by the job or city and state regulations.
Avoid wearing jewelry or loose fi tting clothes that may
snag on the controls or moving parts as this can cause
serious injury.
NEVER operate this equipment when not
feeling well due to fatigue, illness or when
under medication.
NEVER operate this equipment under the
infl uence of drugs or alcohol.
ALWAYS
clear the work area of any debris, tools, etc.
that would constitute a hazard while the equipment is
in operation.
No one other than the operator is to be in the working
area when the equipment is in operation.
DO NOT
use the equipment for any purpose other than
its intended purposes or applications.
NOTICE
This equipment should only be operated by trained and
qualifi ed personnel 18 years of age and older.
Whenever necessary, replace nameplate, operation and
safety decals when they become diffi cult read.
Manufacturer does not assume responsibility for any
accident due to equipment modifi cations. Unauthorized
equipment modifi cation will void all warranties.
HTNS5S-2 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (03/14/17) — PAGE 9
SAFETY INFORMATION
NEVER use accessories or attachments that are not
recommended by Multiquip for this equipment. Damage
to the equipment and/or injury to user may result.
ALWAYS know the location of the nearest
fi re extinguisher.
ALWAYS know the location of the nearest
fi rst aid kit.
ALWAYS know the location of the nearest phone or keep
a phone on the job site. Also, know the phone numbers
of the nearest ambulance, doctor and fi re department.
This information will be invaluable in the case of an
emergency.
TROWEL SAFETY
DANGER
Engine fuel exhaust gases contain poisonous carbon
monoxide. This gas is colorless and odorless, and can
cause death if inhaled.
The engine of this equipment requires an adequate free
fl ow of cooling air. NEVER operate this equipment in any
enclosed or narrow area
where free fl ow of the air is
restricted. If the air fl ow is
restricted it will cause injury
to people and property and
serious damage to the
equipment or engine.
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.
NEVER disconnect any emergency or safety devices.
These devices are intended for operator safety.
Disconnection of these devices can cause severe injury,
DANGEROUS
GAS FUMES
bodily harm or even death. Disconnection of any of these
devices will void all warranties.
CAUTION
NEVER
allow passengers or riders 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.
NOTICE
ALWAYS keep the machine in proper running condition.
Fix damage to 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.
Order FORM PT-160
ENGINE SAFETY
WARNING
DO NOT
place hands or fingers inside engine
compartment when engine is running.
NEVER
operate the engine with heat shields or
guards removed.
Keep fi ngers, hands hair and clothing away
from all moving parts to prevent injury.
DO NOT remove the radiator cap while the
engine is hot. High pressure boiling water will gush out
of the radiator and severely scald any persons in the
general area of the trowel.
DO NOT
remove the engine oil drain plug while the
engine is hot. Hot oil will gush out of the oil tank and
severely scald any persons in the general area of the
trowel.
PAGE 10 — HTNS5S-2 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (03/14/17)
SAFETY INFORMATION
CAUTION
NEVER touch the hot exhaust manifold,
muffl er or cylinder. Allow these parts to cool
before servicing equipment.
NOTICE
NEVER run engine without an air fi lter or with a dirty air
fi lter. Severe engine damage may occur. Service air fi lter
frequently to prevent engine malfunction.
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.
FUEL SAFETY
DANGER
DO NOT start the engine near spilled fuel or combustible
fl uids. Fuel is extremely fl ammable and its vapors can
cause an explosion if ignited.
ALWAYS refuel in a well-ventilated area, away from
sparks and open fl ames.
ALWAYS use extreme caution when working with
fl ammable liquids.
DO NOT fi ll the fuel tank while the engine is running
or hot.
DO NOT overfi ll tank, since spilled fuel could ignite if it
comes into contact with hot engine parts or sparks from
the ignition system.
Store fuel in appropriate containers, in well-ventilated
areas and away from sparks and fl ames.
NEVER use fuel as a cleaning agent.
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.
BATTERY SAFETY
DANGER
DO NOT
drop the battery. There is a possibility that the
battery will explode.
DO NOT expose the battery to open fl ames,
sparks, cigarettes, etc. The battery contains
combustible gases and liquids. If these
gases and liquids come into contact with a
fl ame or spark, an explosion could occur.
WARNING
ALWAYS wear safety glasses when
handling the battery to avoid eye irritation.
The battery contains acids that can cause
injury to the eyes and skin.
Use well-insulated gloves when picking up
the battery.
ALWAYS
keep the battery charged. If the battery is not
charged, combustible gas will build up.
DO NOT
charge battery if frozen. Battery can explode.
When frozen, warm the battery to at least 61°F (16°C).
ALWAYS
recharge the battery in a well-ventilated
environment to avoid the risk of a dangerous concentration
of combustible gases.
If the battery liquid (dilute sulfuric acid)
comes into contact with clothing or skin,
rinse skin or clothing immediately with
plenty of water.
If the battery liquid (dilute sulfuric acid) comes into
contact with eyes
, rinse eyes immediately with plenty
of water and contact the nearest doctor or hospital to
seek medical attention.
CAUTION
ALWAYS disconnect the
NEGATIVE battery terminal
before performing service on the equipment.
ALWAYS
keep battery cables in good working condition.
Repair or replace all worn cables.
HTNS5S-2 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (03/14/17) — PAGE 11
SAFETY INFORMATION
TRANSPORTING SAFETY
CAUTION
NEVER allow any person or animal to
stand underneath the equipment while
lifting.
Ride-on trowels are very heavy and
awkward to move around. Use proper
heavy lifting procedures and DO NOT
attempt to lift the trowel by the guard rings.
NOTICE
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 of 2,000 pounds (1,000 kg) lifting capacity
and the lifting gear must be capable of lifting at least this
amount.
NEVER transport trowel with fl oat pans attached unless
safety catches are used and are specifi cally cleared for
such transport by the manufacturer.
NEVER hoist the trowel more than three feet off the
ground with fl oat pans attached.
Before lifting, make sure that the lift loops are not
damaged.
Always make sure crane or lifting device has been
properly secured to the lift loops of the equipment.
ALWAYS shutdown engine before transporting.
NEVER lift the equipment while the engine is running.
Tighten fuel tank cap securely and close fuel cock to
prevent fuel from spilling.
Use adequate lifting cable (wire or rope) of suffi cient
strength.
DO NOT lift machine to unnecessary heights.
ALWAYS tie down equipment during transport by
securing the equipment with rope.
ENVIRONMENTAL SAFETY/DECOMMISSIONING
NOTICE
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 rules below.
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 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
battery and bring to 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.
PAGE 12 — HTNS5S-2 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (03/14/17)
SAFETY INFORMATION
EMISSIONS INFORMATION
NOTICE
The gasoline engine used in this equipment has been
designed to reduce harmful levels of carbon monoxide
(CO), hydrocarbons (HC) and nitrogen oxides (NOx)
contained in diesel exhaust emissions.
This engine has been certifi ed to meet US EPA Evaporative
emissions requirements in the installed confi guration.
Attempting to modify or make adjustments to the engine
emission system by unauthorized personnel without proper
training could damage the equipment or create an unsafe
condition.
Additionally, modifying the fuel system may adversely affect
evaporative emissions, resulting in fi nes or other penalties.
Emission Control Label
The emission control label is an integral part of the emission
system and is strictly controlled by regulations.
The label must remain with the engine for its entire life.
If a replacement emission label is needed, please contact
your authorized engine distributor.
HTNS5S-2 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (03/14/17) — PAGE 13
TROWEL SPECIFICATIONS/DIMENSIONS
Figure 1. Dimensions
Table 1. Trowel Specifications
Model HTNS5S-2
A–Length – cm (in.) 241.3 (95)
B–Height (Handle) cm (in.) 104 (41)
C–Height (Seat) – cm (in.) 132 (52)
D–Width – cm (in.) 122 (48)
Weight – kg (lb.) Operating 320.5 (705)
Weight – kg (lb.) Shipping 400 (882)
Engine (Continuous) – kW (hp/rpm) 14.9 (20/3600)
Engine (Maximum) – kW (hp/rpm) 20.9 (28/4000)
Fuel Tank – liters (gallons) 30 (7.9)
Blades Per Rotor 5
Rotor rpm (Dry Concrete) 60–80
Path Width – cm (in.) 241.8 (95.2)
Gear Box Oil Capacity – ml (oz.) 1686 (57) ISO-VG640
C
A
B
D
PAGE 14 — HTNS5S-2 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (03/14/17)
NOISE AND VIBRATION/ENGINE SPECIFICATIONS
NOTES:
1. Sound Pressure and Power Levels are “A” weighted measures per ISO 226:2003 (ANSI S1.4-1981). 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 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 whole body vibration is 0.5 m/s
2
SA(8). The daily exposure limit value is
1.15 m/s
2
SA(8).
Table 2. HTNS5S-2 Noise and Vibration Emissions
Model
HTNS5S-2
Guaranteed ISO 11201:2010 Based
Sound Pressure Level at Operator Station in dB(A)
TBD
Guaranteed ISO 3744:2010 Based
Sound Power Level in dB(A)
TBD
Whole Body Vibration Per ISO 2631-1:1997+A1:2010 in m/s
2
SA(8)
TBD
Table 3. Engine Specifications/Dimensions
Model Subaru EH722 EFI Engine
Type
Air-Cooled, 4-Cycle, V-Twin Cylinder, Horizontal P.T.O. Shaft, OHV,
Gasoline Engine
Bore x Stroke 84 mm x 65 mm (3.31 in. x 2.56 in.)
Piston Displacement 720 cm
3
(43.9 cu. in.)
Continuous Output 14.9 kW (20 hp) @ 3600 rpm
Maximum Output 20.9 kW (28 hp) @ 4000 rpm
Max. Torque 52.2 N·m (462 lb-in.) @ 2800 rpm
Direction of Rotation Counterclockwise as viewed from P.T.O. shaft side
Engine Oil Capacity
SAE 10W-30 API Service Class SE or later
4-Stroke, API, SF or SG SAE #20, #30, or 10W-30 General Use
1.55 Liters (1.64 Quarts/0.41 gallons)
Fuel Unleaded Gasoline
Starting System Electric Starter
Spark Plug Type BPR5ES (NGK) or BPR4EY (NGK)
Spark Plug Gap 0.7 mm – 0.8 mm (0.03 in.)
L x W x H 317 x 477 x 480 mm (12.5 x 18.8 x 18.9 in.)
Weight (dry) 101.3 kg (46 lb.)
HTNS5S-2 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (03/14/17) — PAGE 15
GENERAL INFORMATION
HTNS5S-2 SERIES RIDE-ON POWER TROWEL
FAMILIARIZATION
The HTNS5S-2 trowel is designed for the floating and
finishing of concrete slabs.
Walk around your trowel. Take notice of all the major
components—engine, blades, air cleaner, fuel system, fuel
shut-off valve, ignition switch etc. Check that there is oil in
the engine, and gear oil in the gearbox assembly.
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. Grab the control levers
and move them around a bit. Notice how moving the control
levers causes the gearboxes and frame to move.
Notice the foot pedal which controls the engine speed. Look
at the main drive line 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 test run will increase
your confidence in using the trowel, and will familiarize
you with the trowel’s controls and indicators. In addition,
you will understand how the trowel will handle under actual
operating conditions.
ENGINE
This trowel is equipped with an air-cooled, Subaru
EH722 EFI, 28 hp, 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. Contact your nearest Multiquip Dealer if
you need a replacement.
BLADES
The blades of the trowel finish the concrete as they are
rotated around the surface. Blades are classified as
combination (10 or 8 inches wide) and finish (6 inches
wide). This trowel is equipped with five blades per rotor,
equally spaced in a radial pattern and attached to a vertical
rotating shaft by means of a spider assembly.
Figure 2 and Figure 3 show the location and functions of the
controls, indicators and general maintenance parts. Some
controls may perform more than one function.
GEARBOXES
The HTNS5S-2 trowel consists of two separate gearbox
assemblies that are enclosed in rugged cast aluminum gear
cases. The main gear is a high quality bronze and steel
composite. The worm gear is composed of hardened steel.
Cooling fins are integrated into the gearbox to provide
maximum cooling for the gearbox oil. The gearbox casing
holds 50% more oil capacity than competitors, which allows
more lubrication to be provided to critical points.
STEERING LEVERS
Dual control levers located in front of the operator's seat
are provided for steering the trowel.
Push the left control lever forward and pull the right
control lever backward to rotate the trowel 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 5 for
a complete description of the control levers' directional
positioning.
CONTINUOUSLY VARIABLE TRANSMISSION (CVT)
A continuously variable transmission (CVT) has been
installed to obtain maximum drive torque.
This is accomplished by continually adjusting the drive
ratio to obtain optimum torque and speed during all phases
of finishing, from low speed, high torque to high speed
burnishing.
CONSTANT VELOCITY JOINTS (CV-JOINTS)
Constant velocity joints ensure 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. 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.
PAGE 16 — HTNS5S-2 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (03/14/17)
COMPONENTS
1. Seat — Engine will not start unless operator is seated.
2. Retardant Spray Control Button — Sprays retardant
through the nozzle at the front of the machine.
3. Steering Control Levers — Direct the unit forward,
reverse, left, or right.
4. Twin Pitch Control — 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. Turn the crank as marked on its top
surface to increase or decrease blade pitch.
5. Left Front Light — 12V LED light, used for night
operation.
6. Left Foot Riser — Operator foot rest pedal.
7. Spray Nozzle — Spray nozzle for retardant.
8. Right Foot Pedal — Controls blade speed. Slow blade
speed is accomplished by slightly pressing the foot
pedal. Maximum blade speed is accomplished by fully
pressing the foot pedal.
9. EZ Mover Boss — Front attachment point for EZ
Mover. Used to move the trowel.
10. Right Front Light — 12V LED light, used for night
operation.
11. Oil Pressure Warning/Indicator Light — When
illuminated, indicates the oil pressure has dropped
below safe operating limits. This condition will cause
the engine to shutdown. During normal operation of
the trowel, this LED should remain OFF.
12. Light Switch — Turns on four LED lights—two in
front, two in rear.
13. Engine Stop Switch — Located within the seat.
Operator must be sitting in the seat for the engine to
start. If operator exits seat, engine will stop.
14. Ignition Switch (Control Panel) — With key
inserted, turn clockwise to start engine.
15. Lift Loops — Located on both sides of the main frame.
Used to lift the trowel.
Figure 2. Components – Front
3
2
1
3
4 4
13
14
11
12
5
10
15
8
6
9
9
7
15
HTNS5S-2 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (03/14/17) — PAGE 17
16. Right Rear Light — 12V LED light, used for night
operations.
17. Battery — Provides +12V DC power to the electrical
system.
18. Retardant Spray Pump — Delivers retardant to the
spray nozzle.
19. Engine — Air-cooled Subaru EH722 EFI, 28 hp,
gasoline engine.
20. Right-Side Spider — Consists of trowel arms, blades,
wear plate, and thrust collar.
21. EZ Mover Boss — Rear attachment point for EZ Mover.
Used to transport the trowel.
22. Retardant Spray Tank — Holds 5 gallons (18.9 L) of
retardant.
23. Left-Side Spider — Consists of trowel arms, blades,
wear plate, and thrust collar.
24. Fuel Tank — Holds 7.9 gallons (30 L) of unleaded
gasoline.
25. Fuel Filler Cap — Remove this cap to add unleaded
gasoline to the fuel tank. Make sure cap is tightened
securely. DO NOT overfill.
26. Belt Guard — Encloses drive belt used in conjunction
with clutch.
27. Left Rear Light — 12V LED light, used for night
operations.
COMPONENTS
Figure 3. Components – Rear
18
16
25
17
27
26
20
21
21
22
23
19
24
PAGE 18 — HTNS5S-2 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (03/14/17)
BASIC ENGINE
Figure 4. Engine Components
INITIAL SERVICING
The engine (Figure 4) must be checked for proper
lubrication and filled with fuel prior to operation. Refer to the
engine manufacturer's manual for instructions and details
for operation and servicing.
1. Air Cleaner — Prevents dirt and other debris from
entering the fuel system. Remove the air cleaner cover
to gain access to the urethane foam and paper filter
elements.
2. Throttle — Used to adjust engine RPM speed. This
lever is connected to the throttle lever cable located in
the foot pedal.
3. Governor Lever — On the crankcase exterior. Helps
to move governor components to open or close the
carburetor.
4. Oil Filler Cap — Remove to add engine oil through
the filler port as recommended in Table 4.
5. Lifting Hook — Attach to a suitable lifting device
whenever lifting of the trowel is required.
6. Oil Filter — Prevents dirt and other debris from
entering the engine oil. Torque the oil filter between
9.9 – 14.7 N·m (16.3 – 19.8 ft-lb.).
7. Oil Drain Plug — Used to drain crankcase oil. Always
dispose of used oil and oil filters in an environmentally
safe manner. DO NOT allow used oil to drain onto the
ground or into a water runoff drain.
8. Electric Starter — Starts the engine when ignition key
is rotated to the "START" position.
9. Oil Gauge/Dipstick — Remove this measuring rod
to determine if the engine oil is low or needs to be
changed.
10. Voltage Regulator — Maintains constant voltage
during engine operation.
11. Spark Plug — Provides spark to the ignition system.
Set the spark plug gap to 0.7 – 0.8 mm (0.03 inches).
Clean the spark plug once a week.
12. Oil Cooler — Holds and uses engine oil as a coolant
necessary to keep the engine at a safe operating
temperature.
13. Fuel Pump — Electric pump transfers fuel to the fuel
system.
14. Fuel Filter — Filters fuel for contaminants.
15. Speed Control Lever — Controls the speed of the
engine. Move the hand lever forward to increase
engine/blade speed, backwards to decrease engine/
blade speed.
1
22
3
5
4
6
7
8
9
11
15
11
12
13
14
10
HTNS5S-2 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (03/14/17) — PAGE 19
SET-UP
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.
Before packaging and shipping, the HTNS5S-2 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.
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.
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.
NOTICE
The new trowel cannot be placed into service until the
setup installation instructions are completed.
NOTICE
Some models are equipped with adjustable height
handles. Adjust the height by placing the bolt
through the set of holes that corresponds to the most
comfortable height.
SEAT ASSEMBLY
The seat is not installed on the trowel for shipping purposes.
To attach the seat, perform the following:
1. Remove the seat from the protective wrapping.
2. Insert studs on bottom of seat through holes in
mounting plate.
3. Install and tighten the provided nuts.
4. Connect the engine stop switch (operator's seat) cable
to the mating plug as shown in Figure 5.
Figure 5. Engine Stop Switch Connection
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.
To install the battery onto the trowel, make sure that the
battery is well-seated in the battery box. Connect the
negative cable (BLACK) to the negative terminal on the
battery first, then connect the positive cable (RED) to the
positive terminal. Close the plastic battery box cover and
secure the battery box.
CONNECT
TO
ENGINE
COIL
ENGINE STOP
SWITCH
CAUTION
Use all safety precautions specified by the battery
manufacturer when working with the battery. Reference
the “Safety” section of this manual for additional
information.
PAGE 20 — HTNS5S-2 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (03/14/17)
INSPECTION
The following section is intended as a basic guide for 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 Concrete Slabs on Grade
published by the American Concrete Institute, Detroit
Michigan.
DO NOT use your trowel until this section is thoroughly
understood.
ENGINE OIL LEVEL
ALWAYS check engine oil before each use.
1. Pull the engine oil dipstick (Figure 6) from its holder.
Figure 6. Engine Oil Dipstick
2. Determine if engine oil is low (Figure 7). Oil level should
be between the upper and lower levels on the oil gauge.
CAUTION
Failure to understand the operation of the trowel could
result in severe damage to the machine or personal
injury.
DIPSTICK
Figure 7. Checking Engine Oil Level
3. If engine oil is low, remove oil filler cap and add correct
amount of engine oil to bring oil to a normal, safe level.
Use oil as recommended in Table 4.
OIL
GAUGE
UPPER
LEVEL
LOWER
LEVEL
UPPER LEVEL
LOWER LEVEL
Table 4. Recommended Viscosity Grades
AMBIENT TEMPERATURE
NOTICE
To prevent extensive engine wear or damage, ALWAYS
maintain the proper oil level in the crankcase. NEVER
operate the engine with the oil level beyond the upper
or lower limits on the dipstick.
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MQ Multiquip HTNS5S-2 Operating instructions

Brand
MQ Multiquip
Model
HTNS5S-2
Type
Operating instructions
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